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.gitignore vendored
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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*
# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
*.lcov
# nyc test coverage
.nyc_output
# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Bower dependency directory (https://bower.io/)
bower_components
# node-waf configuration
.lock-wscript
# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release
# Dependency directories
node_modules/
jspm_packages/
# Snowpack dependency directory (https://snowpack.dev/)
web_modules/
# TypeScript cache
*.tsbuildinfo
# Optional npm cache directory
.npm
# Optional eslint cache
.eslintcache
# Optional stylelint cache
.stylelintcache
# Microbundle cache
.rpt2_cache/
.rts2_cache_cjs/
.rts2_cache_es/
.rts2_cache_umd/
# Optional REPL history
.node_repl_history
# Output of 'npm pack'
*.tgz
# Yarn Integrity file
.yarn-integrity
# dotenv environment variable files
.env
.env.development.local
.env.test.local
.env.production.local
.env.local
# parcel-bundler cache (https://parceljs.org/)
.cache
.parcel-cache
# Next.js build output
.next
out
# Nuxt.js build / generate output
.nuxt
dist
# Gatsby files
.cache/
# Comment in the public line in if your project uses Gatsby and not Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support
# public
# vuepress build output
.vuepress/dist
# vuepress v2.x temp and cache directory
.temp
.cache
# Docusaurus cache and generated files
.docusaurus
# Serverless directories
.serverless/
# FuseBox cache
.fusebox/
# DynamoDB Local files
.dynamodb/
# TernJS port file
.tern-port
# Stores VSCode versions used for testing VSCode extensions
.vscode-test
# yarn v2
.yarn/cache
.yarn/unplugged
.yarn/build-state.yml
.yarn/install-state.gz
.pnp.*

9
README.md
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## Tiffany's version
tiffany helps ronald win tft
## why am i doing this
yay
## hahaha
I am going to school

386
nodeJS/Learning/01/index.js
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//Javascript Tutorial
// Means Comment
/* hehhe
wow this is fun
i am dumb */
// Hello I
// can
// do this now
// variable (var): want to make a empty box called dog, but expecting sth in there later
// Can later assign Lucy to this box. variable originally empty box name is dog, but then the variable value is Lucy
var dog;
dog = "Buddy";
console.log(dog);
// var is the old name, it is a bad practice
//let: will change, e.g. box called cat but give it a different cat (value) every single time
let cat;
cat = "Tom";
console.log(cat);
cat = "John";
console.log(cat);
//const: constant, thing in box will never change
const bird = "sparrow";
console.log(bird);
//Data types: type of things u put in variable, e.g. tell box to put in specific type of value
//Primitives Data Types
//String, Number, Boolean, Undefined, Null
//String: anything in single or double quotation, can type anything, show direct thing in quotation
const funnystring = "John Doe";
console.log(funnystring);
//String concatenation
const name1 = "John";
const name2 = "Doe";
const fullName = `The full name is ${name1} ${name2}`;
console.log (fullName);
console.log ("The full name is" + name1 + " " + name2);
//String Escape Character, \ escapes the quotation
console.log ("Ronald said \"It'\s raining outside\"");
//String indexing: the computer recognizes it as each number assigned: every single letter on the word will have a index
const string = "javascript bob";
console.log(string[0]); //j
console.log(string[5]);
console.log(string[11]);
// Number: just a number (both one with decimal or one without)
let age = 20;
console.log (age);
age = age + 15;
console.log (age)
//NaN: not a number
let result = "Hello"/2;
console.log(result);
//infinity
let infinity = 1/0
console.log(infinity)
//Boolean: true or false statements, all comparisons, !==" "
console.log (1>2);
console.log (5<7);
console.log ("tiffany" !== "Tiffany")
let tiffany = "tiffany"
let haha = "Tiffany"
tiffany = haha
console.log (tiffany == haha)
//Undefined: did not give x anything
let x;
console.log(x);
//Null: telling them theres nothing in the code
let y = null;
console.log(y);
//Non-primitive data type: anything thats not within the box//
//Object, Array, Function//
//Object: sth to define a list of things, e.g. list of primitive data types//
// const or let -> {curly}, can contain diff. data types
const user = {
name1: "John",
age: 5,
verified: true,
//Nested object (within the object)
address: {
city: "New York",
state: "NY",
}
}
console.log(user)
console.log(user.address.state)
//Array: a list of primitive data types within one category, only one type of data
const fruits = ["Apple", "Banana", "Cherry", "Dates"];
const numbers = [1, 2, 3, 4, 5];
//Array, has string indexing stuff
console.log(fruits[2]) // Cherry
//Function
// y = f(x) = 2x + 1
// y -output, x-input
function add(x) {
return 2*x + 1;
}
add (5);
console.log(add(5)); //11
//greet is the function name
// ${}: must use `(next to 1)
function greet(name) {
return `Hello, ${name}`;
}
console.log(greet('Tiffany')); // Hello Tiffany
let functionName = function(x) {
return 2*x + 1;
}
//best practice to declare a function
const arrowFunction = (x) => {
return 2*x + 1;
}
//Operators, things we can do with the data types
//Arithmetic operators
// e.g. + - * / ++ --
let a = 10;
let b = 5;
console.log(a + b); //15
console.log(a - b); //5
console.log(a * b); //50
console.log(a/b); //2
console.log(a % b) //0 (remainder of division)
console.log(a++); //11 (a = a + 1)
console.log(a--); //9 (a = a-1)
//Assignment operators
// =, +=, -=, *=, /=, %=
let c = 10
let d = 5
c += d; //c = c + d
//Comparison operators, comparing stuffs
// ==, !=, >, <, >=, <=, ===, !==
let e = "10"
let f = 10
console.log(e == f); // false (is e equal to f)
console.log(e === f) //false, absolutely equal to, which it is not, but if ==
//Logical Operators
//&&(AND), ||(OR), ! (NOT)
let g = 10;
let h = 5;
console.log(g > 5 && h > 10); //false
console.log(g > 5 || h > 10); //true
console.log(!(g > 5)); //false, just reverse whats inside
//Control structures
//If statements
// if (condition) {
// //result
// }
let i = 2;
if (i > 5) {
console.log("I am smart")
}
//If-Else statement
let j = 10;
if (j > 5) {
console.log("Ronald believes in Tiffany's religion")
} else {
console.log("Ronald does not believe in Tiffany's religion")
}
// If Else If statement
let k = 10
if (k > 5) {
console.log("k is larger than 5");
} else if (k < 5) {
console.log("k is less than 5");
} else if (k === 5) {
console.log("k is equal to 5");
} else {
console.log("k is not a number");
}
//Different way to announce if statement, ternary operator
let n = 10;
//condition ?(if) expression1(true) : expression 2(false)
n > 5 ? console.log("n is greater than 5") : console.log("n is smaller than 5");
// Switch statement
let day = "Monday";
switch(day) {
case "Monday":
console.log("Today is Monday \:\(")
break;
case "Tuesday":
console.log("Today is Tuesday")
break;
default:
console.log("No day")
break;
}
// switch(condition) {
// case value1:
// //code block
// break; (end of this case)
// case value2:
// //code block
// break;
// default:
// //code block
// break;
// }
//Loops, usually a number to loop
// For Loop
// for (initialization; condition; increment/decrement) {
// //code block
// }
for (let i = 0; i < 5; i++) {
console.log("Tiffany is smart");
}
// While Loop, anything within the condition, if it's still true, will keep running
// while(condition) {
// // code block
// }
let m = 0;
while (m<5) {
console.log("Tiffany is smart");
m++;
}
// For In Loop, comma within object (for objects)
let person2 = {
name: "Tiffany",
age: 24,
isSmart: true,
}
//key can be any name, eg color, looping the list
for (let key in person2) {
console.log(key, person2[key]);
}
// For of Loop (for arrays)
let numbers1 = [1, 2, 3, 4, 5]
for (let number of numbers1) {
number += 1; // number= number + 1
console.log(number);
}
//Do While Loop
//do {
// // code block
// } while (condition);
let happy = 0
do {
console.log("Tiffany is the savior");
happy++;
} while (happy < 5)
//looping "tiffany is the savior" using happy (plus 1 for each round)
// until happy reaches a number larger than 5
// Classes: recipe book or instruction
//constructor, like ingredients
class bread {
constructor(flour, water, salt) {
this.flour = flour;
this.water = water;
this.salt = salt;
}
bake() {
console.log(`Baking Bread with ${this.flour}, using ${this.water} cups of water and ${this.salt} tsp of salt.`);
}
}
const bread1 = new bread("wheat", 2, 3)
bread1.bake()
// Modules: it only happens in a modules
//Import
//import {greet} from "./greet.js";
const chalk = require('chalk')
console.log(chalk.red('Hello World!'))
//Extra exercise
//printPyramid(5)
// Expected output
// 1
// 1 2
// 1 2 3
// 1 2 3 4
// 1 2 3 4 5
const printPyramid = (n) => {
for (let i = 1; i <= n; i++) {
let row = '';
for (let j = 1; j <= i; j++) {
row += j + ' ';
}
console.log(row);
}
}
printPyramid(10)
// fibonacci(8) // Expected output: 0 1 1 2 3 5 8 13
const fibonacci = (n) => {
let i = 0;
let j = 1;
console.log(i);
console.log(j);
for (let count = 2; count < n; count++) {
let next = i + j;
console.log(next);
i = j;
j = next;
}
};
fibonacci(8)

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nodeJS/Learning/01/node_modules/.bin/nodemon generated vendored
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../nodemon/bin/nodemon.js

1
nodeJS/Learning/01/node_modules/.bin/nodetouch generated vendored
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../touch/bin/nodetouch.js

1
nodeJS/Learning/01/node_modules/.bin/semver generated vendored
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../semver/bin/semver.js

407
nodeJS/Learning/01/node_modules/.package-lock.json generated vendored
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"license": "MIT"
}
}
}

345
nodeJS/Learning/01/node_modules/ansi-styles/index.d.ts generated vendored
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@ -1,345 +0,0 @@
declare type CSSColor =
| 'aliceblue'
| 'antiquewhite'
| 'aqua'
| 'aquamarine'
| 'azure'
| 'beige'
| 'bisque'
| 'black'
| 'blanchedalmond'
| 'blue'
| 'blueviolet'
| 'brown'
| 'burlywood'
| 'cadetblue'
| 'chartreuse'
| 'chocolate'
| 'coral'
| 'cornflowerblue'
| 'cornsilk'
| 'crimson'
| 'cyan'
| 'darkblue'
| 'darkcyan'
| 'darkgoldenrod'
| 'darkgray'
| 'darkgreen'
| 'darkgrey'
| 'darkkhaki'
| 'darkmagenta'
| 'darkolivegreen'
| 'darkorange'
| 'darkorchid'
| 'darkred'
| 'darksalmon'
| 'darkseagreen'
| 'darkslateblue'
| 'darkslategray'
| 'darkslategrey'
| 'darkturquoise'
| 'darkviolet'
| 'deeppink'
| 'deepskyblue'
| 'dimgray'
| 'dimgrey'
| 'dodgerblue'
| 'firebrick'
| 'floralwhite'
| 'forestgreen'
| 'fuchsia'
| 'gainsboro'
| 'ghostwhite'
| 'gold'
| 'goldenrod'
| 'gray'
| 'green'
| 'greenyellow'
| 'grey'
| 'honeydew'
| 'hotpink'
| 'indianred'
| 'indigo'
| 'ivory'
| 'khaki'
| 'lavender'
| 'lavenderblush'
| 'lawngreen'
| 'lemonchiffon'
| 'lightblue'
| 'lightcoral'
| 'lightcyan'
| 'lightgoldenrodyellow'
| 'lightgray'
| 'lightgreen'
| 'lightgrey'
| 'lightpink'
| 'lightsalmon'
| 'lightseagreen'
| 'lightskyblue'
| 'lightslategray'
| 'lightslategrey'
| 'lightsteelblue'
| 'lightyellow'
| 'lime'
| 'limegreen'
| 'linen'
| 'magenta'
| 'maroon'
| 'mediumaquamarine'
| 'mediumblue'
| 'mediumorchid'
| 'mediumpurple'
| 'mediumseagreen'
| 'mediumslateblue'
| 'mediumspringgreen'
| 'mediumturquoise'
| 'mediumvioletred'
| 'midnightblue'
| 'mintcream'
| 'mistyrose'
| 'moccasin'
| 'navajowhite'
| 'navy'
| 'oldlace'
| 'olive'
| 'olivedrab'
| 'orange'
| 'orangered'
| 'orchid'
| 'palegoldenrod'
| 'palegreen'
| 'paleturquoise'
| 'palevioletred'
| 'papayawhip'
| 'peachpuff'
| 'peru'
| 'pink'
| 'plum'
| 'powderblue'
| 'purple'
| 'rebeccapurple'
| 'red'
| 'rosybrown'
| 'royalblue'
| 'saddlebrown'
| 'salmon'
| 'sandybrown'
| 'seagreen'
| 'seashell'
| 'sienna'
| 'silver'
| 'skyblue'
| 'slateblue'
| 'slategray'
| 'slategrey'
| 'snow'
| 'springgreen'
| 'steelblue'
| 'tan'
| 'teal'
| 'thistle'
| 'tomato'
| 'turquoise'
| 'violet'
| 'wheat'
| 'white'
| 'whitesmoke'
| 'yellow'
| 'yellowgreen';
declare namespace ansiStyles {
interface ColorConvert {
/**
The RGB color space.
@param red - (`0`-`255`)
@param green - (`0`-`255`)
@param blue - (`0`-`255`)
*/
rgb(red: number, green: number, blue: number): string;
/**
The RGB HEX color space.
@param hex - A hexadecimal string containing RGB data.
*/
hex(hex: string): string;
/**
@param keyword - A CSS color name.
*/
keyword(keyword: CSSColor): string;
/**
The HSL color space.
@param hue - (`0`-`360`)
@param saturation - (`0`-`100`)
@param lightness - (`0`-`100`)
*/
hsl(hue: number, saturation: number, lightness: number): string;
/**
The HSV color space.
@param hue - (`0`-`360`)
@param saturation - (`0`-`100`)
@param value - (`0`-`100`)
*/
hsv(hue: number, saturation: number, value: number): string;
/**
The HSV color space.
@param hue - (`0`-`360`)
@param whiteness - (`0`-`100`)
@param blackness - (`0`-`100`)
*/
hwb(hue: number, whiteness: number, blackness: number): string;
/**
Use a [4-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4-bit) to set text color.
*/
ansi(ansi: number): string;
/**
Use an [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set text color.
*/
ansi256(ansi: number): string;
}
interface CSPair {
/**
The ANSI terminal control sequence for starting this style.
*/
readonly open: string;
/**
The ANSI terminal control sequence for ending this style.
*/
readonly close: string;
}
interface ColorBase {
readonly ansi: ColorConvert;
readonly ansi256: ColorConvert;
readonly ansi16m: ColorConvert;
/**
The ANSI terminal control sequence for ending this color.
*/
readonly close: string;
}
interface Modifier {
/**
Resets the current color chain.
*/
readonly reset: CSPair;
/**
Make text bold.
*/
readonly bold: CSPair;
/**
Emitting only a small amount of light.
*/
readonly dim: CSPair;
/**
Make text italic. (Not widely supported)
*/
readonly italic: CSPair;
/**
Make text underline. (Not widely supported)
*/
readonly underline: CSPair;
/**
Inverse background and foreground colors.
*/
readonly inverse: CSPair;
/**
Prints the text, but makes it invisible.
*/
readonly hidden: CSPair;
/**
Puts a horizontal line through the center of the text. (Not widely supported)
*/
readonly strikethrough: CSPair;
}
interface ForegroundColor {
readonly black: CSPair;
readonly red: CSPair;
readonly green: CSPair;
readonly yellow: CSPair;
readonly blue: CSPair;
readonly cyan: CSPair;
readonly magenta: CSPair;
readonly white: CSPair;
/**
Alias for `blackBright`.
*/
readonly gray: CSPair;
/**
Alias for `blackBright`.
*/
readonly grey: CSPair;
readonly blackBright: CSPair;
readonly redBright: CSPair;
readonly greenBright: CSPair;
readonly yellowBright: CSPair;
readonly blueBright: CSPair;
readonly cyanBright: CSPair;
readonly magentaBright: CSPair;
readonly whiteBright: CSPair;
}
interface BackgroundColor {
readonly bgBlack: CSPair;
readonly bgRed: CSPair;
readonly bgGreen: CSPair;
readonly bgYellow: CSPair;
readonly bgBlue: CSPair;
readonly bgCyan: CSPair;
readonly bgMagenta: CSPair;
readonly bgWhite: CSPair;
/**
Alias for `bgBlackBright`.
*/
readonly bgGray: CSPair;
/**
Alias for `bgBlackBright`.
*/
readonly bgGrey: CSPair;
readonly bgBlackBright: CSPair;
readonly bgRedBright: CSPair;
readonly bgGreenBright: CSPair;
readonly bgYellowBright: CSPair;
readonly bgBlueBright: CSPair;
readonly bgCyanBright: CSPair;
readonly bgMagentaBright: CSPair;
readonly bgWhiteBright: CSPair;
}
}
declare const ansiStyles: {
readonly modifier: ansiStyles.Modifier;
readonly color: ansiStyles.ForegroundColor & ansiStyles.ColorBase;
readonly bgColor: ansiStyles.BackgroundColor & ansiStyles.ColorBase;
readonly codes: ReadonlyMap<number, number>;
} & ansiStyles.BackgroundColor & ansiStyles.ForegroundColor & ansiStyles.Modifier;
export = ansiStyles;

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nodeJS/Learning/01/node_modules/ansi-styles/index.js generated vendored
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@ -1,163 +0,0 @@
'use strict';
const wrapAnsi16 = (fn, offset) => (...args) => {
const code = fn(...args);
return `\u001B[${code + offset}m`;
};
const wrapAnsi256 = (fn, offset) => (...args) => {
const code = fn(...args);
return `\u001B[${38 + offset};5;${code}m`;
};
const wrapAnsi16m = (fn, offset) => (...args) => {
const rgb = fn(...args);
return `\u001B[${38 + offset};2;${rgb[0]};${rgb[1]};${rgb[2]}m`;
};
const ansi2ansi = n => n;
const rgb2rgb = (r, g, b) => [r, g, b];
const setLazyProperty = (object, property, get) => {
Object.defineProperty(object, property, {
get: () => {
const value = get();
Object.defineProperty(object, property, {
value,
enumerable: true,
configurable: true
});
return value;
},
enumerable: true,
configurable: true
});
};
/** @type {typeof import('color-convert')} */
let colorConvert;
const makeDynamicStyles = (wrap, targetSpace, identity, isBackground) => {
if (colorConvert === undefined) {
colorConvert = require('color-convert');
}
const offset = isBackground ? 10 : 0;
const styles = {};
for (const [sourceSpace, suite] of Object.entries(colorConvert)) {
const name = sourceSpace === 'ansi16' ? 'ansi' : sourceSpace;
if (sourceSpace === targetSpace) {
styles[name] = wrap(identity, offset);
} else if (typeof suite === 'object') {
styles[name] = wrap(suite[targetSpace], offset);
}
}
return styles;
};
function assembleStyles() {
const codes = new Map();
const styles = {
modifier: {
reset: [0, 0],
// 21 isn't widely supported and 22 does the same thing
bold: [1, 22],
dim: [2, 22],
italic: [3, 23],
underline: [4, 24],
inverse: [7, 27],
hidden: [8, 28],
strikethrough: [9, 29]
},
color: {
black: [30, 39],
red: [31, 39],
green: [32, 39],
yellow: [33, 39],
blue: [34, 39],
magenta: [35, 39],
cyan: [36, 39],
white: [37, 39],
// Bright color
blackBright: [90, 39],
redBright: [91, 39],
greenBright: [92, 39],
yellowBright: [93, 39],
blueBright: [94, 39],
magentaBright: [95, 39],
cyanBright: [96, 39],
whiteBright: [97, 39]
},
bgColor: {
bgBlack: [40, 49],
bgRed: [41, 49],
bgGreen: [42, 49],
bgYellow: [43, 49],
bgBlue: [44, 49],
bgMagenta: [45, 49],
bgCyan: [46, 49],
bgWhite: [47, 49],
// Bright color
bgBlackBright: [100, 49],
bgRedBright: [101, 49],
bgGreenBright: [102, 49],
bgYellowBright: [103, 49],
bgBlueBright: [104, 49],
bgMagentaBright: [105, 49],
bgCyanBright: [106, 49],
bgWhiteBright: [107, 49]
}
};
// Alias bright black as gray (and grey)
styles.color.gray = styles.color.blackBright;
styles.bgColor.bgGray = styles.bgColor.bgBlackBright;
styles.color.grey = styles.color.blackBright;
styles.bgColor.bgGrey = styles.bgColor.bgBlackBright;
for (const [groupName, group] of Object.entries(styles)) {
for (const [styleName, style] of Object.entries(group)) {
styles[styleName] = {
open: `\u001B[${style[0]}m`,
close: `\u001B[${style[1]}m`
};
group[styleName] = styles[styleName];
codes.set(style[0], style[1]);
}
Object.defineProperty(styles, groupName, {
value: group,
enumerable: false
});
}
Object.defineProperty(styles, 'codes', {
value: codes,
enumerable: false
});
styles.color.close = '\u001B[39m';
styles.bgColor.close = '\u001B[49m';
setLazyProperty(styles.color, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, false));
setLazyProperty(styles.color, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, false));
setLazyProperty(styles.color, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, false));
setLazyProperty(styles.bgColor, 'ansi', () => makeDynamicStyles(wrapAnsi16, 'ansi16', ansi2ansi, true));
setLazyProperty(styles.bgColor, 'ansi256', () => makeDynamicStyles(wrapAnsi256, 'ansi256', ansi2ansi, true));
setLazyProperty(styles.bgColor, 'ansi16m', () => makeDynamicStyles(wrapAnsi16m, 'rgb', rgb2rgb, true));
return styles;
}
// Make the export immutable
Object.defineProperty(module, 'exports', {
enumerable: true,
get: assembleStyles
});

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nodeJS/Learning/01/node_modules/ansi-styles/license generated vendored
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@ -1,9 +0,0 @@
MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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nodeJS/Learning/01/node_modules/ansi-styles/package.json generated vendored
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{
"name": "ansi-styles",
"version": "4.3.0",
"description": "ANSI escape codes for styling strings in the terminal",
"license": "MIT",
"repository": "chalk/ansi-styles",
"funding": "https://github.com/chalk/ansi-styles?sponsor=1",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
"engines": {
"node": ">=8"
},
"scripts": {
"test": "xo && ava && tsd",
"screenshot": "svg-term --command='node screenshot' --out=screenshot.svg --padding=3 --width=55 --height=3 --at=1000 --no-cursor"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"ansi",
"styles",
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"tty",
"escape",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"log",
"logging",
"command-line",
"text"
],
"dependencies": {
"color-convert": "^2.0.1"
},
"devDependencies": {
"@types/color-convert": "^1.9.0",
"ava": "^2.3.0",
"svg-term-cli": "^2.1.1",
"tsd": "^0.11.0",
"xo": "^0.25.3"
}
}

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nodeJS/Learning/01/node_modules/ansi-styles/readme.md generated vendored
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@ -1,152 +0,0 @@
# ansi-styles [![Build Status](https://travis-ci.org/chalk/ansi-styles.svg?branch=master)](https://travis-ci.org/chalk/ansi-styles)
> [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles) for styling strings in the terminal
You probably want the higher-level [chalk](https://github.com/chalk/chalk) module for styling your strings.
<img src="screenshot.svg" width="900">
## Install
```
$ npm install ansi-styles
```
## Usage
```js
const style = require('ansi-styles');
console.log(`${style.green.open}Hello world!${style.green.close}`);
// Color conversion between 16/256/truecolor
// NOTE: If conversion goes to 16 colors or 256 colors, the original color
// may be degraded to fit that color palette. This means terminals
// that do not support 16 million colors will best-match the
// original color.
console.log(style.bgColor.ansi.hsl(120, 80, 72) + 'Hello world!' + style.bgColor.close);
console.log(style.color.ansi256.rgb(199, 20, 250) + 'Hello world!' + style.color.close);
console.log(style.color.ansi16m.hex('#abcdef') + 'Hello world!' + style.color.close);
```
## API
Each style has an `open` and `close` property.
## Styles
### Modifiers
- `reset`
- `bold`
- `dim`
- `italic` *(Not widely supported)*
- `underline`
- `inverse`
- `hidden`
- `strikethrough` *(Not widely supported)*
### Colors
- `black`
- `red`
- `green`
- `yellow`
- `blue`
- `magenta`
- `cyan`
- `white`
- `blackBright` (alias: `gray`, `grey`)
- `redBright`
- `greenBright`
- `yellowBright`
- `blueBright`
- `magentaBright`
- `cyanBright`
- `whiteBright`
### Background colors
- `bgBlack`
- `bgRed`
- `bgGreen`
- `bgYellow`
- `bgBlue`
- `bgMagenta`
- `bgCyan`
- `bgWhite`
- `bgBlackBright` (alias: `bgGray`, `bgGrey`)
- `bgRedBright`
- `bgGreenBright`
- `bgYellowBright`
- `bgBlueBright`
- `bgMagentaBright`
- `bgCyanBright`
- `bgWhiteBright`
## Advanced usage
By default, you get a map of styles, but the styles are also available as groups. They are non-enumerable so they don't show up unless you access them explicitly. This makes it easier to expose only a subset in a higher-level module.
- `style.modifier`
- `style.color`
- `style.bgColor`
###### Example
```js
console.log(style.color.green.open);
```
Raw escape codes (i.e. without the CSI escape prefix `\u001B[` and render mode postfix `m`) are available under `style.codes`, which returns a `Map` with the open codes as keys and close codes as values.
###### Example
```js
console.log(style.codes.get(36));
//=> 39
```
## [256 / 16 million (TrueColor) support](https://gist.github.com/XVilka/8346728)
`ansi-styles` uses the [`color-convert`](https://github.com/Qix-/color-convert) package to allow for converting between various colors and ANSI escapes, with support for 256 and 16 million colors.
The following color spaces from `color-convert` are supported:
- `rgb`
- `hex`
- `keyword`
- `hsl`
- `hsv`
- `hwb`
- `ansi`
- `ansi256`
To use these, call the associated conversion function with the intended output, for example:
```js
style.color.ansi.rgb(100, 200, 15); // RGB to 16 color ansi foreground code
style.bgColor.ansi.rgb(100, 200, 15); // RGB to 16 color ansi background code
style.color.ansi256.hsl(120, 100, 60); // HSL to 256 color ansi foreground code
style.bgColor.ansi256.hsl(120, 100, 60); // HSL to 256 color ansi foreground code
style.color.ansi16m.hex('#C0FFEE'); // Hex (RGB) to 16 million color foreground code
style.bgColor.ansi16m.hex('#C0FFEE'); // Hex (RGB) to 16 million color background code
```
## Related
- [ansi-escapes](https://github.com/sindresorhus/ansi-escapes) - ANSI escape codes for manipulating the terminal
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)
## For enterprise
Available as part of the Tidelift Subscription.
The maintainers of `ansi-styles` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-ansi-styles?utm_source=npm-ansi-styles&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)

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The ISC License
Copyright (c) 2019 Elan Shanker, Paul Miller (https://paulmillr.com)
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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anymatch [![Build Status](https://travis-ci.org/micromatch/anymatch.svg?branch=master)](https://travis-ci.org/micromatch/anymatch) [![Coverage Status](https://img.shields.io/coveralls/micromatch/anymatch.svg?branch=master)](https://coveralls.io/r/micromatch/anymatch?branch=master)
======
Javascript module to match a string against a regular expression, glob, string,
or function that takes the string as an argument and returns a truthy or falsy
value. The matcher can also be an array of any or all of these. Useful for
allowing a very flexible user-defined config to define things like file paths.
__Note: This module has Bash-parity, please be aware that Windows-style backslashes are not supported as separators. See https://github.com/micromatch/micromatch#backslashes for more information.__
Usage
-----
```sh
npm install anymatch
```
#### anymatch(matchers, testString, [returnIndex], [options])
* __matchers__: (_Array|String|RegExp|Function_)
String to be directly matched, string with glob patterns, regular expression
test, function that takes the testString as an argument and returns a truthy
value if it should be matched, or an array of any number and mix of these types.
* __testString__: (_String|Array_) The string to test against the matchers. If
passed as an array, the first element of the array will be used as the
`testString` for non-function matchers, while the entire array will be applied
as the arguments for function matchers.
* __options__: (_Object_ [optional]_) Any of the [picomatch](https://github.com/micromatch/picomatch#options) options.
* __returnIndex__: (_Boolean [optional]_) If true, return the array index of
the first matcher that that testString matched, or -1 if no match, instead of a
boolean result.
```js
const anymatch = require('anymatch');
const matchers = [ 'path/to/file.js', 'path/anyjs/**/*.js', /foo.js$/, string => string.includes('bar') && string.length > 10 ] ;
anymatch(matchers, 'path/to/file.js'); // true
anymatch(matchers, 'path/anyjs/baz.js'); // true
anymatch(matchers, 'path/to/foo.js'); // true
anymatch(matchers, 'path/to/bar.js'); // true
anymatch(matchers, 'bar.js'); // false
// returnIndex = true
anymatch(matchers, 'foo.js', {returnIndex: true}); // 2
anymatch(matchers, 'path/anyjs/foo.js', {returnIndex: true}); // 1
// any picomatc
// using globs to match directories and their children
anymatch('node_modules', 'node_modules'); // true
anymatch('node_modules', 'node_modules/somelib/index.js'); // false
anymatch('node_modules/**', 'node_modules/somelib/index.js'); // true
anymatch('node_modules/**', '/absolute/path/to/node_modules/somelib/index.js'); // false
anymatch('**/node_modules/**', '/absolute/path/to/node_modules/somelib/index.js'); // true
const matcher = anymatch(matchers);
['foo.js', 'bar.js'].filter(matcher); // [ 'foo.js' ]
anymatch master* ❯
```
#### anymatch(matchers)
You can also pass in only your matcher(s) to get a curried function that has
already been bound to the provided matching criteria. This can be used as an
`Array#filter` callback.
```js
var matcher = anymatch(matchers);
matcher('path/to/file.js'); // true
matcher('path/anyjs/baz.js', true); // 1
['foo.js', 'bar.js'].filter(matcher); // ['foo.js']
```
Changelog
----------
[See release notes page on GitHub](https://github.com/micromatch/anymatch/releases)
- **v3.0:** Removed `startIndex` and `endIndex` arguments. Node 8.x-only.
- **v2.0:** [micromatch](https://github.com/jonschlinkert/micromatch) moves away from minimatch-parity and inline with Bash. This includes handling backslashes differently (see https://github.com/micromatch/micromatch#backslashes for more information).
- **v1.2:** anymatch uses [micromatch](https://github.com/jonschlinkert/micromatch)
for glob pattern matching. Issues with glob pattern matching should be
reported directly to the [micromatch issue tracker](https://github.com/jonschlinkert/micromatch/issues).
License
-------
[ISC](https://raw.github.com/micromatch/anymatch/master/LICENSE)

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type AnymatchFn = (testString: string) => boolean;
type AnymatchPattern = string|RegExp|AnymatchFn;
type AnymatchMatcher = AnymatchPattern|AnymatchPattern[]
type AnymatchTester = {
(testString: string|any[], returnIndex: true): number;
(testString: string|any[]): boolean;
}
type PicomatchOptions = {dot: boolean};
declare const anymatch: {
(matchers: AnymatchMatcher): AnymatchTester;
(matchers: AnymatchMatcher, testString: null, returnIndex: true | PicomatchOptions): AnymatchTester;
(matchers: AnymatchMatcher, testString: string|any[], returnIndex: true | PicomatchOptions): number;
(matchers: AnymatchMatcher, testString: string|any[]): boolean;
}
export {AnymatchMatcher as Matcher}
export {AnymatchTester as Tester}
export default anymatch

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'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const picomatch = require('picomatch');
const normalizePath = require('normalize-path');
/**
* @typedef {(testString: string) => boolean} AnymatchFn
* @typedef {string|RegExp|AnymatchFn} AnymatchPattern
* @typedef {AnymatchPattern|AnymatchPattern[]} AnymatchMatcher
*/
const BANG = '!';
const DEFAULT_OPTIONS = {returnIndex: false};
const arrify = (item) => Array.isArray(item) ? item : [item];
/**
* @param {AnymatchPattern} matcher
* @param {object} options
* @returns {AnymatchFn}
*/
const createPattern = (matcher, options) => {
if (typeof matcher === 'function') {
return matcher;
}
if (typeof matcher === 'string') {
const glob = picomatch(matcher, options);
return (string) => matcher === string || glob(string);
}
if (matcher instanceof RegExp) {
return (string) => matcher.test(string);
}
return (string) => false;
};
/**
* @param {Array<Function>} patterns
* @param {Array<Function>} negPatterns
* @param {String|Array} args
* @param {Boolean} returnIndex
* @returns {boolean|number}
*/
const matchPatterns = (patterns, negPatterns, args, returnIndex) => {
const isList = Array.isArray(args);
const _path = isList ? args[0] : args;
if (!isList && typeof _path !== 'string') {
throw new TypeError('anymatch: second argument must be a string: got ' +
Object.prototype.toString.call(_path))
}
const path = normalizePath(_path, false);
for (let index = 0; index < negPatterns.length; index++) {
const nglob = negPatterns[index];
if (nglob(path)) {
return returnIndex ? -1 : false;
}
}
const applied = isList && [path].concat(args.slice(1));
for (let index = 0; index < patterns.length; index++) {
const pattern = patterns[index];
if (isList ? pattern(...applied) : pattern(path)) {
return returnIndex ? index : true;
}
}
return returnIndex ? -1 : false;
};
/**
* @param {AnymatchMatcher} matchers
* @param {Array|string} testString
* @param {object} options
* @returns {boolean|number|Function}
*/
const anymatch = (matchers, testString, options = DEFAULT_OPTIONS) => {
if (matchers == null) {
throw new TypeError('anymatch: specify first argument');
}
const opts = typeof options === 'boolean' ? {returnIndex: options} : options;
const returnIndex = opts.returnIndex || false;
// Early cache for matchers.
const mtchers = arrify(matchers);
const negatedGlobs = mtchers
.filter(item => typeof item === 'string' && item.charAt(0) === BANG)
.map(item => item.slice(1))
.map(item => picomatch(item, opts));
const patterns = mtchers
.filter(item => typeof item !== 'string' || (typeof item === 'string' && item.charAt(0) !== BANG))
.map(matcher => createPattern(matcher, opts));
if (testString == null) {
return (testString, ri = false) => {
const returnIndex = typeof ri === 'boolean' ? ri : false;
return matchPatterns(patterns, negatedGlobs, testString, returnIndex);
}
}
return matchPatterns(patterns, negatedGlobs, testString, returnIndex);
};
anymatch.default = anymatch;
module.exports = anymatch;

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{
"name": "anymatch",
"version": "3.1.3",
"description": "Matches strings against configurable strings, globs, regular expressions, and/or functions",
"files": [
"index.js",
"index.d.ts"
],
"dependencies": {
"normalize-path": "^3.0.0",
"picomatch": "^2.0.4"
},
"author": {
"name": "Elan Shanker",
"url": "https://github.com/es128"
},
"license": "ISC",
"homepage": "https://github.com/micromatch/anymatch",
"repository": {
"type": "git",
"url": "https://github.com/micromatch/anymatch"
},
"keywords": [
"match",
"any",
"string",
"file",
"fs",
"list",
"glob",
"regex",
"regexp",
"regular",
"expression",
"function"
],
"scripts": {
"test": "nyc mocha",
"mocha": "mocha"
},
"devDependencies": {
"mocha": "^6.1.3",
"nyc": "^14.0.0"
},
"engines": {
"node": ">= 8"
}
}

2
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@ -1,2 +0,0 @@
tidelift: "npm/balanced-match"
patreon: juliangruber

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@ -1,21 +0,0 @@
(MIT)
Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -1,97 +0,0 @@
# balanced-match
Match balanced string pairs, like `{` and `}` or `<b>` and `</b>`. Supports regular expressions as well!
[![build status](https://secure.travis-ci.org/juliangruber/balanced-match.svg)](http://travis-ci.org/juliangruber/balanced-match)
[![downloads](https://img.shields.io/npm/dm/balanced-match.svg)](https://www.npmjs.org/package/balanced-match)
[![testling badge](https://ci.testling.com/juliangruber/balanced-match.png)](https://ci.testling.com/juliangruber/balanced-match)
## Example
Get the first matching pair of braces:
```js
var balanced = require('balanced-match');
console.log(balanced('{', '}', 'pre{in{nested}}post'));
console.log(balanced('{', '}', 'pre{first}between{second}post'));
console.log(balanced(/\s+\{\s+/, /\s+\}\s+/, 'pre { in{nest} } post'));
```
The matches are:
```bash
$ node example.js
{ start: 3, end: 14, pre: 'pre', body: 'in{nested}', post: 'post' }
{ start: 3,
end: 9,
pre: 'pre',
body: 'first',
post: 'between{second}post' }
{ start: 3, end: 17, pre: 'pre', body: 'in{nest}', post: 'post' }
```
## API
### var m = balanced(a, b, str)
For the first non-nested matching pair of `a` and `b` in `str`, return an
object with those keys:
* **start** the index of the first match of `a`
* **end** the index of the matching `b`
* **pre** the preamble, `a` and `b` not included
* **body** the match, `a` and `b` not included
* **post** the postscript, `a` and `b` not included
If there's no match, `undefined` will be returned.
If the `str` contains more `a` than `b` / there are unmatched pairs, the first match that was closed will be used. For example, `{{a}` will match `['{', 'a', '']` and `{a}}` will match `['', 'a', '}']`.
### var r = balanced.range(a, b, str)
For the first non-nested matching pair of `a` and `b` in `str`, return an
array with indexes: `[ <a index>, <b index> ]`.
If there's no match, `undefined` will be returned.
If the `str` contains more `a` than `b` / there are unmatched pairs, the first match that was closed will be used. For example, `{{a}` will match `[ 1, 3 ]` and `{a}}` will match `[0, 2]`.
## Installation
With [npm](https://npmjs.org) do:
```bash
npm install balanced-match
```
## Security contact information
To report a security vulnerability, please use the
[Tidelift security contact](https://tidelift.com/security).
Tidelift will coordinate the fix and disclosure.
## License
(MIT)
Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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'use strict';
module.exports = balanced;
function balanced(a, b, str) {
if (a instanceof RegExp) a = maybeMatch(a, str);
if (b instanceof RegExp) b = maybeMatch(b, str);
var r = range(a, b, str);
return r && {
start: r[0],
end: r[1],
pre: str.slice(0, r[0]),
body: str.slice(r[0] + a.length, r[1]),
post: str.slice(r[1] + b.length)
};
}
function maybeMatch(reg, str) {
var m = str.match(reg);
return m ? m[0] : null;
}
balanced.range = range;
function range(a, b, str) {
var begs, beg, left, right, result;
var ai = str.indexOf(a);
var bi = str.indexOf(b, ai + 1);
var i = ai;
if (ai >= 0 && bi > 0) {
if(a===b) {
return [ai, bi];
}
begs = [];
left = str.length;
while (i >= 0 && !result) {
if (i == ai) {
begs.push(i);
ai = str.indexOf(a, i + 1);
} else if (begs.length == 1) {
result = [ begs.pop(), bi ];
} else {
beg = begs.pop();
if (beg < left) {
left = beg;
right = bi;
}
bi = str.indexOf(b, i + 1);
}
i = ai < bi && ai >= 0 ? ai : bi;
}
if (begs.length) {
result = [ left, right ];
}
}
return result;
}

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nodeJS/Learning/01/node_modules/balanced-match/package.json generated vendored
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{
"name": "balanced-match",
"description": "Match balanced character pairs, like \"{\" and \"}\"",
"version": "1.0.2",
"repository": {
"type": "git",
"url": "git://github.com/juliangruber/balanced-match.git"
},
"homepage": "https://github.com/juliangruber/balanced-match",
"main": "index.js",
"scripts": {
"test": "tape test/test.js",
"bench": "matcha test/bench.js"
},
"devDependencies": {
"matcha": "^0.7.0",
"tape": "^4.6.0"
},
"keywords": [
"match",
"regexp",
"test",
"balanced",
"parse"
],
"author": {
"name": "Julian Gruber",
"email": "mail@juliangruber.com",
"url": "http://juliangruber.com"
},
"license": "MIT",
"testling": {
"files": "test/*.js",
"browsers": [
"ie/8..latest",
"firefox/20..latest",
"firefox/nightly",
"chrome/25..latest",
"chrome/canary",
"opera/12..latest",
"opera/next",
"safari/5.1..latest",
"ipad/6.0..latest",
"iphone/6.0..latest",
"android-browser/4.2..latest"
]
}
}

263
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@ -1,263 +0,0 @@
[
"3dm",
"3ds",
"3g2",
"3gp",
"7z",
"a",
"aac",
"adp",
"afdesign",
"afphoto",
"afpub",
"ai",
"aif",
"aiff",
"alz",
"ape",
"apk",
"appimage",
"ar",
"arj",
"asf",
"au",
"avi",
"bak",
"baml",
"bh",
"bin",
"bk",
"bmp",
"btif",
"bz2",
"bzip2",
"cab",
"caf",
"cgm",
"class",
"cmx",
"cpio",
"cr2",
"cur",
"dat",
"dcm",
"deb",
"dex",
"djvu",
"dll",
"dmg",
"dng",
"doc",
"docm",
"docx",
"dot",
"dotm",
"dra",
"DS_Store",
"dsk",
"dts",
"dtshd",
"dvb",
"dwg",
"dxf",
"ecelp4800",
"ecelp7470",
"ecelp9600",
"egg",
"eol",
"eot",
"epub",
"exe",
"f4v",
"fbs",
"fh",
"fla",
"flac",
"flatpak",
"fli",
"flv",
"fpx",
"fst",
"fvt",
"g3",
"gh",
"gif",
"graffle",
"gz",
"gzip",
"h261",
"h263",
"h264",
"icns",
"ico",
"ief",
"img",
"ipa",
"iso",
"jar",
"jpeg",
"jpg",
"jpgv",
"jpm",
"jxr",
"key",
"ktx",
"lha",
"lib",
"lvp",
"lz",
"lzh",
"lzma",
"lzo",
"m3u",
"m4a",
"m4v",
"mar",
"mdi",
"mht",
"mid",
"midi",
"mj2",
"mka",
"mkv",
"mmr",
"mng",
"mobi",
"mov",
"movie",
"mp3",
"mp4",
"mp4a",
"mpeg",
"mpg",
"mpga",
"mxu",
"nef",
"npx",
"numbers",
"nupkg",
"o",
"odp",
"ods",
"odt",
"oga",
"ogg",
"ogv",
"otf",
"ott",
"pages",
"pbm",
"pcx",
"pdb",
"pdf",
"pea",
"pgm",
"pic",
"png",
"pnm",
"pot",
"potm",
"potx",
"ppa",
"ppam",
"ppm",
"pps",
"ppsm",
"ppsx",
"ppt",
"pptm",
"pptx",
"psd",
"pya",
"pyc",
"pyo",
"pyv",
"qt",
"rar",
"ras",
"raw",
"resources",
"rgb",
"rip",
"rlc",
"rmf",
"rmvb",
"rpm",
"rtf",
"rz",
"s3m",
"s7z",
"scpt",
"sgi",
"shar",
"snap",
"sil",
"sketch",
"slk",
"smv",
"snk",
"so",
"stl",
"suo",
"sub",
"swf",
"tar",
"tbz",
"tbz2",
"tga",
"tgz",
"thmx",
"tif",
"tiff",
"tlz",
"ttc",
"ttf",
"txz",
"udf",
"uvh",
"uvi",
"uvm",
"uvp",
"uvs",
"uvu",
"viv",
"vob",
"war",
"wav",
"wax",
"wbmp",
"wdp",
"weba",
"webm",
"webp",
"whl",
"wim",
"wm",
"wma",
"wmv",
"wmx",
"woff",
"woff2",
"wrm",
"wvx",
"xbm",
"xif",
"xla",
"xlam",
"xls",
"xlsb",
"xlsm",
"xlsx",
"xlt",
"xltm",
"xltx",
"xm",
"xmind",
"xpi",
"xpm",
"xwd",
"xz",
"z",
"zip",
"zipx"
]

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@ -1,3 +0,0 @@
declare const binaryExtensionsJson: readonly string[];
export = binaryExtensionsJson;

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@ -1,14 +0,0 @@
/**
List of binary file extensions.
@example
```
import binaryExtensions = require('binary-extensions');
console.log(binaryExtensions);
//=> ['3ds', '3g2', …]
```
*/
declare const binaryExtensions: readonly string[];
export = binaryExtensions;

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@ -1 +0,0 @@
module.exports = require('./binary-extensions.json');

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@ -1,10 +0,0 @@
MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
Copyright (c) Paul Miller (https://paulmillr.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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@ -1,40 +0,0 @@
{
"name": "binary-extensions",
"version": "2.3.0",
"description": "List of binary file extensions",
"license": "MIT",
"repository": "sindresorhus/binary-extensions",
"funding": "https://github.com/sponsors/sindresorhus",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "https://sindresorhus.com"
},
"sideEffects": false,
"engines": {
"node": ">=8"
},
"scripts": {
"test": "xo && ava && tsd"
},
"files": [
"index.js",
"index.d.ts",
"binary-extensions.json",
"binary-extensions.json.d.ts"
],
"keywords": [
"binary",
"extensions",
"extension",
"file",
"json",
"list",
"array"
],
"devDependencies": {
"ava": "^1.4.1",
"tsd": "^0.7.2",
"xo": "^0.24.0"
}
}

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@ -1,25 +0,0 @@
# binary-extensions
> List of binary file extensions
The list is just a [JSON file](binary-extensions.json) and can be used anywhere.
## Install
```sh
npm install binary-extensions
```
## Usage
```js
const binaryExtensions = require('binary-extensions');
console.log(binaryExtensions);
//=> ['3ds', '3g2', …]
```
## Related
- [is-binary-path](https://github.com/sindresorhus/is-binary-path) - Check if a filepath is a binary file
- [text-extensions](https://github.com/sindresorhus/text-extensions) - List of text file extensions

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@ -1,21 +0,0 @@
MIT License
Copyright (c) 2013 Julian Gruber <julian@juliangruber.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -1,129 +0,0 @@
# brace-expansion
[Brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html),
as known from sh/bash, in JavaScript.
[![build status](https://secure.travis-ci.org/juliangruber/brace-expansion.svg)](http://travis-ci.org/juliangruber/brace-expansion)
[![downloads](https://img.shields.io/npm/dm/brace-expansion.svg)](https://www.npmjs.org/package/brace-expansion)
[![Greenkeeper badge](https://badges.greenkeeper.io/juliangruber/brace-expansion.svg)](https://greenkeeper.io/)
[![testling badge](https://ci.testling.com/juliangruber/brace-expansion.png)](https://ci.testling.com/juliangruber/brace-expansion)
## Example
```js
var expand = require('brace-expansion');
expand('file-{a,b,c}.jpg')
// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
expand('-v{,,}')
// => ['-v', '-v', '-v']
expand('file{0..2}.jpg')
// => ['file0.jpg', 'file1.jpg', 'file2.jpg']
expand('file-{a..c}.jpg')
// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
expand('file{2..0}.jpg')
// => ['file2.jpg', 'file1.jpg', 'file0.jpg']
expand('file{0..4..2}.jpg')
// => ['file0.jpg', 'file2.jpg', 'file4.jpg']
expand('file-{a..e..2}.jpg')
// => ['file-a.jpg', 'file-c.jpg', 'file-e.jpg']
expand('file{00..10..5}.jpg')
// => ['file00.jpg', 'file05.jpg', 'file10.jpg']
expand('{{A..C},{a..c}}')
// => ['A', 'B', 'C', 'a', 'b', 'c']
expand('ppp{,config,oe{,conf}}')
// => ['ppp', 'pppconfig', 'pppoe', 'pppoeconf']
```
## API
```js
var expand = require('brace-expansion');
```
### var expanded = expand(str)
Return an array of all possible and valid expansions of `str`. If none are
found, `[str]` is returned.
Valid expansions are:
```js
/^(.*,)+(.+)?$/
// {a,b,...}
```
A comma separated list of options, like `{a,b}` or `{a,{b,c}}` or `{,a,}`.
```js
/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
// {x..y[..incr]}
```
A numeric sequence from `x` to `y` inclusive, with optional increment.
If `x` or `y` start with a leading `0`, all the numbers will be padded
to have equal length. Negative numbers and backwards iteration work too.
```js
/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
// {x..y[..incr]}
```
An alphabetic sequence from `x` to `y` inclusive, with optional increment.
`x` and `y` must be exactly one character, and if given, `incr` must be a
number.
For compatibility reasons, the string `${` is not eligible for brace expansion.
## Installation
With [npm](https://npmjs.org) do:
```bash
npm install brace-expansion
```
## Contributors
- [Julian Gruber](https://github.com/juliangruber)
- [Isaac Z. Schlueter](https://github.com/isaacs)
## Sponsors
This module is proudly supported by my [Sponsors](https://github.com/juliangruber/sponsors)!
Do you want to support modules like this to improve their quality, stability and weigh in on new features? Then please consider donating to my [Patreon](https://www.patreon.com/juliangruber). Not sure how much of my modules you're using? Try [feross/thanks](https://github.com/feross/thanks)!
## License
(MIT)
Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

201
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var concatMap = require('concat-map');
var balanced = require('balanced-match');
module.exports = expandTop;
var escSlash = '\0SLASH'+Math.random()+'\0';
var escOpen = '\0OPEN'+Math.random()+'\0';
var escClose = '\0CLOSE'+Math.random()+'\0';
var escComma = '\0COMMA'+Math.random()+'\0';
var escPeriod = '\0PERIOD'+Math.random()+'\0';
function numeric(str) {
return parseInt(str, 10) == str
? parseInt(str, 10)
: str.charCodeAt(0);
}
function escapeBraces(str) {
return str.split('\\\\').join(escSlash)
.split('\\{').join(escOpen)
.split('\\}').join(escClose)
.split('\\,').join(escComma)
.split('\\.').join(escPeriod);
}
function unescapeBraces(str) {
return str.split(escSlash).join('\\')
.split(escOpen).join('{')
.split(escClose).join('}')
.split(escComma).join(',')
.split(escPeriod).join('.');
}
// Basically just str.split(","), but handling cases
// where we have nested braced sections, which should be
// treated as individual members, like {a,{b,c},d}
function parseCommaParts(str) {
if (!str)
return [''];
var parts = [];
var m = balanced('{', '}', str);
if (!m)
return str.split(',');
var pre = m.pre;
var body = m.body;
var post = m.post;
var p = pre.split(',');
p[p.length-1] += '{' + body + '}';
var postParts = parseCommaParts(post);
if (post.length) {
p[p.length-1] += postParts.shift();
p.push.apply(p, postParts);
}
parts.push.apply(parts, p);
return parts;
}
function expandTop(str) {
if (!str)
return [];
// I don't know why Bash 4.3 does this, but it does.
// Anything starting with {} will have the first two bytes preserved
// but *only* at the top level, so {},a}b will not expand to anything,
// but a{},b}c will be expanded to [a}c,abc].
// One could argue that this is a bug in Bash, but since the goal of
// this module is to match Bash's rules, we escape a leading {}
if (str.substr(0, 2) === '{}') {
str = '\\{\\}' + str.substr(2);
}
return expand(escapeBraces(str), true).map(unescapeBraces);
}
function identity(e) {
return e;
}
function embrace(str) {
return '{' + str + '}';
}
function isPadded(el) {
return /^-?0\d/.test(el);
}
function lte(i, y) {
return i <= y;
}
function gte(i, y) {
return i >= y;
}
function expand(str, isTop) {
var expansions = [];
var m = balanced('{', '}', str);
if (!m || /\$$/.test(m.pre)) return [str];
var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
var isSequence = isNumericSequence || isAlphaSequence;
var isOptions = m.body.indexOf(',') >= 0;
if (!isSequence && !isOptions) {
// {a},b}
if (m.post.match(/,.*\}/)) {
str = m.pre + '{' + m.body + escClose + m.post;
return expand(str);
}
return [str];
}
var n;
if (isSequence) {
n = m.body.split(/\.\./);
} else {
n = parseCommaParts(m.body);
if (n.length === 1) {
// x{{a,b}}y ==> x{a}y x{b}y
n = expand(n[0], false).map(embrace);
if (n.length === 1) {
var post = m.post.length
? expand(m.post, false)
: [''];
return post.map(function(p) {
return m.pre + n[0] + p;
});
}
}
}
// at this point, n is the parts, and we know it's not a comma set
// with a single entry.
// no need to expand pre, since it is guaranteed to be free of brace-sets
var pre = m.pre;
var post = m.post.length
? expand(m.post, false)
: [''];
var N;
if (isSequence) {
var x = numeric(n[0]);
var y = numeric(n[1]);
var width = Math.max(n[0].length, n[1].length)
var incr = n.length == 3
? Math.abs(numeric(n[2]))
: 1;
var test = lte;
var reverse = y < x;
if (reverse) {
incr *= -1;
test = gte;
}
var pad = n.some(isPadded);
N = [];
for (var i = x; test(i, y); i += incr) {
var c;
if (isAlphaSequence) {
c = String.fromCharCode(i);
if (c === '\\')
c = '';
} else {
c = String(i);
if (pad) {
var need = width - c.length;
if (need > 0) {
var z = new Array(need + 1).join('0');
if (i < 0)
c = '-' + z + c.slice(1);
else
c = z + c;
}
}
}
N.push(c);
}
} else {
N = concatMap(n, function(el) { return expand(el, false) });
}
for (var j = 0; j < N.length; j++) {
for (var k = 0; k < post.length; k++) {
var expansion = pre + N[j] + post[k];
if (!isTop || isSequence || expansion)
expansions.push(expansion);
}
}
return expansions;
}

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{
"name": "brace-expansion",
"description": "Brace expansion as known from sh/bash",
"version": "1.1.11",
"repository": {
"type": "git",
"url": "git://github.com/juliangruber/brace-expansion.git"
},
"homepage": "https://github.com/juliangruber/brace-expansion",
"main": "index.js",
"scripts": {
"test": "tape test/*.js",
"gentest": "bash test/generate.sh",
"bench": "matcha test/perf/bench.js"
},
"dependencies": {
"balanced-match": "^1.0.0",
"concat-map": "0.0.1"
},
"devDependencies": {
"matcha": "^0.7.0",
"tape": "^4.6.0"
},
"keywords": [],
"author": {
"name": "Julian Gruber",
"email": "mail@juliangruber.com",
"url": "http://juliangruber.com"
},
"license": "MIT",
"testling": {
"files": "test/*.js",
"browsers": [
"ie/8..latest",
"firefox/20..latest",
"firefox/nightly",
"chrome/25..latest",
"chrome/canary",
"opera/12..latest",
"opera/next",
"safari/5.1..latest",
"ipad/6.0..latest",
"iphone/6.0..latest",
"android-browser/4.2..latest"
]
}
}

21
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@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2014-present, Jon Schlinkert.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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# braces [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W8YFZ425KND68) [![NPM version](https://img.shields.io/npm/v/braces.svg?style=flat)](https://www.npmjs.com/package/braces) [![NPM monthly downloads](https://img.shields.io/npm/dm/braces.svg?style=flat)](https://npmjs.org/package/braces) [![NPM total downloads](https://img.shields.io/npm/dt/braces.svg?style=flat)](https://npmjs.org/package/braces) [![Linux Build Status](https://img.shields.io/travis/micromatch/braces.svg?style=flat&label=Travis)](https://travis-ci.org/micromatch/braces)
> Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.
Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save braces
```
## v3.0.0 Released!!
See the [changelog](CHANGELOG.md) for details.
## Why use braces?
Brace patterns make globs more powerful by adding the ability to match specific ranges and sequences of characters.
- **Accurate** - complete support for the [Bash 4.3 Brace Expansion](www.gnu.org/software/bash/) specification (passes all of the Bash braces tests)
- **[fast and performant](#benchmarks)** - Starts fast, runs fast and [scales well](#performance) as patterns increase in complexity.
- **Organized code base** - The parser and compiler are easy to maintain and update when edge cases crop up.
- **Well-tested** - Thousands of test assertions, and passes all of the Bash, minimatch, and [brace-expansion](https://github.com/juliangruber/brace-expansion) unit tests (as of the date this was written).
- **Safer** - You shouldn't have to worry about users defining aggressive or malicious brace patterns that can break your application. Braces takes measures to prevent malicious regex that can be used for DDoS attacks (see [catastrophic backtracking](https://www.regular-expressions.info/catastrophic.html)).
- [Supports lists](#lists) - (aka "sets") `a/{b,c}/d` => `['a/b/d', 'a/c/d']`
- [Supports sequences](#sequences) - (aka "ranges") `{01..03}` => `['01', '02', '03']`
- [Supports steps](#steps) - (aka "increments") `{2..10..2}` => `['2', '4', '6', '8', '10']`
- [Supports escaping](#escaping) - To prevent evaluation of special characters.
## Usage
The main export is a function that takes one or more brace `patterns` and `options`.
```js
const braces = require('braces');
// braces(patterns[, options]);
console.log(braces(['{01..05}', '{a..e}']));
//=> ['(0[1-5])', '([a-e])']
console.log(braces(['{01..05}', '{a..e}'], { expand: true }));
//=> ['01', '02', '03', '04', '05', 'a', 'b', 'c', 'd', 'e']
```
### Brace Expansion vs. Compilation
By default, brace patterns are compiled into strings that are optimized for creating regular expressions and matching.
**Compiled**
```js
console.log(braces('a/{x,y,z}/b'));
//=> ['a/(x|y|z)/b']
console.log(braces(['a/{01..20}/b', 'a/{1..5}/b']));
//=> [ 'a/(0[1-9]|1[0-9]|20)/b', 'a/([1-5])/b' ]
```
**Expanded**
Enable brace expansion by setting the `expand` option to true, or by using [braces.expand()](#expand) (returns an array similar to what you'd expect from Bash, or `echo {1..5}`, or [minimatch](https://github.com/isaacs/minimatch)):
```js
console.log(braces('a/{x,y,z}/b', { expand: true }));
//=> ['a/x/b', 'a/y/b', 'a/z/b']
console.log(braces.expand('{01..10}'));
//=> ['01','02','03','04','05','06','07','08','09','10']
```
### Lists
Expand lists (like Bash "sets"):
```js
console.log(braces('a/{foo,bar,baz}/*.js'));
//=> ['a/(foo|bar|baz)/*.js']
console.log(braces.expand('a/{foo,bar,baz}/*.js'));
//=> ['a/foo/*.js', 'a/bar/*.js', 'a/baz/*.js']
```
### Sequences
Expand ranges of characters (like Bash "sequences"):
```js
console.log(braces.expand('{1..3}')); // ['1', '2', '3']
console.log(braces.expand('a/{1..3}/b')); // ['a/1/b', 'a/2/b', 'a/3/b']
console.log(braces('{a..c}', { expand: true })); // ['a', 'b', 'c']
console.log(braces('foo/{a..c}', { expand: true })); // ['foo/a', 'foo/b', 'foo/c']
// supports zero-padded ranges
console.log(braces('a/{01..03}/b')); //=> ['a/(0[1-3])/b']
console.log(braces('a/{001..300}/b')); //=> ['a/(0{2}[1-9]|0[1-9][0-9]|[12][0-9]{2}|300)/b']
```
See [fill-range](https://github.com/jonschlinkert/fill-range) for all available range-expansion options.
### Steppped ranges
Steps, or increments, may be used with ranges:
```js
console.log(braces.expand('{2..10..2}'));
//=> ['2', '4', '6', '8', '10']
console.log(braces('{2..10..2}'));
//=> ['(2|4|6|8|10)']
```
When the [.optimize](#optimize) method is used, or [options.optimize](#optionsoptimize) is set to true, sequences are passed to [to-regex-range](https://github.com/jonschlinkert/to-regex-range) for expansion.
### Nesting
Brace patterns may be nested. The results of each expanded string are not sorted, and left to right order is preserved.
**"Expanded" braces**
```js
console.log(braces.expand('a{b,c,/{x,y}}/e'));
//=> ['ab/e', 'ac/e', 'a/x/e', 'a/y/e']
console.log(braces.expand('a/{x,{1..5},y}/c'));
//=> ['a/x/c', 'a/1/c', 'a/2/c', 'a/3/c', 'a/4/c', 'a/5/c', 'a/y/c']
```
**"Optimized" braces**
```js
console.log(braces('a{b,c,/{x,y}}/e'));
//=> ['a(b|c|/(x|y))/e']
console.log(braces('a/{x,{1..5},y}/c'));
//=> ['a/(x|([1-5])|y)/c']
```
### Escaping
**Escaping braces**
A brace pattern will not be expanded or evaluted if _either the opening or closing brace is escaped_:
```js
console.log(braces.expand('a\\{d,c,b}e'));
//=> ['a{d,c,b}e']
console.log(braces.expand('a{d,c,b\\}e'));
//=> ['a{d,c,b}e']
```
**Escaping commas**
Commas inside braces may also be escaped:
```js
console.log(braces.expand('a{b\\,c}d'));
//=> ['a{b,c}d']
console.log(braces.expand('a{d\\,c,b}e'));
//=> ['ad,ce', 'abe']
```
**Single items**
Following bash conventions, a brace pattern is also not expanded when it contains a single character:
```js
console.log(braces.expand('a{b}c'));
//=> ['a{b}c']
```
## Options
### options.maxLength
**Type**: `Number`
**Default**: `10,000`
**Description**: Limit the length of the input string. Useful when the input string is generated or your application allows users to pass a string, et cetera.
```js
console.log(braces('a/{b,c}/d', { maxLength: 3 })); //=> throws an error
```
### options.expand
**Type**: `Boolean`
**Default**: `undefined`
**Description**: Generate an "expanded" brace pattern (alternatively you can use the `braces.expand()` method, which does the same thing).
```js
console.log(braces('a/{b,c}/d', { expand: true }));
//=> [ 'a/b/d', 'a/c/d' ]
```
### options.nodupes
**Type**: `Boolean`
**Default**: `undefined`
**Description**: Remove duplicates from the returned array.
### options.rangeLimit
**Type**: `Number`
**Default**: `1000`
**Description**: To prevent malicious patterns from being passed by users, an error is thrown when `braces.expand()` is used or `options.expand` is true and the generated range will exceed the `rangeLimit`.
You can customize `options.rangeLimit` or set it to `Inifinity` to disable this altogether.
**Examples**
```js
// pattern exceeds the "rangeLimit", so it's optimized automatically
console.log(braces.expand('{1..1000}'));
//=> ['([1-9]|[1-9][0-9]{1,2}|1000)']
// pattern does not exceed "rangeLimit", so it's NOT optimized
console.log(braces.expand('{1..100}'));
//=> ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '100']
```
### options.transform
**Type**: `Function`
**Default**: `undefined`
**Description**: Customize range expansion.
**Example: Transforming non-numeric values**
```js
const alpha = braces.expand('x/{a..e}/y', {
transform(value, index) {
// When non-numeric values are passed, "value" is a character code.
return 'foo/' + String.fromCharCode(value) + '-' + index;
},
});
console.log(alpha);
//=> [ 'x/foo/a-0/y', 'x/foo/b-1/y', 'x/foo/c-2/y', 'x/foo/d-3/y', 'x/foo/e-4/y' ]
```
**Example: Transforming numeric values**
```js
const numeric = braces.expand('{1..5}', {
transform(value) {
// when numeric values are passed, "value" is a number
return 'foo/' + value * 2;
},
});
console.log(numeric);
//=> [ 'foo/2', 'foo/4', 'foo/6', 'foo/8', 'foo/10' ]
```
### options.quantifiers
**Type**: `Boolean`
**Default**: `undefined`
**Description**: In regular expressions, quanitifiers can be used to specify how many times a token can be repeated. For example, `a{1,3}` will match the letter `a` one to three times.
Unfortunately, regex quantifiers happen to share the same syntax as [Bash lists](#lists)
The `quantifiers` option tells braces to detect when [regex quantifiers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#quantifiers) are defined in the given pattern, and not to try to expand them as lists.
**Examples**
```js
const braces = require('braces');
console.log(braces('a/b{1,3}/{x,y,z}'));
//=> [ 'a/b(1|3)/(x|y|z)' ]
console.log(braces('a/b{1,3}/{x,y,z}', { quantifiers: true }));
//=> [ 'a/b{1,3}/(x|y|z)' ]
console.log(braces('a/b{1,3}/{x,y,z}', { quantifiers: true, expand: true }));
//=> [ 'a/b{1,3}/x', 'a/b{1,3}/y', 'a/b{1,3}/z' ]
```
### options.keepEscaping
**Type**: `Boolean`
**Default**: `undefined`
**Description**: Do not strip backslashes that were used for escaping from the result.
## What is "brace expansion"?
Brace expansion is a type of parameter expansion that was made popular by unix shells for generating lists of strings, as well as regex-like matching when used alongside wildcards (globs).
In addition to "expansion", braces are also used for matching. In other words:
- [brace expansion](#brace-expansion) is for generating new lists
- [brace matching](#brace-matching) is for filtering existing lists
<details>
<summary><strong>More about brace expansion</strong> (click to expand)</summary>
There are two main types of brace expansion:
1. **lists**: which are defined using comma-separated values inside curly braces: `{a,b,c}`
2. **sequences**: which are defined using a starting value and an ending value, separated by two dots: `a{1..3}b`. Optionally, a third argument may be passed to define a "step" or increment to use: `a{1..100..10}b`. These are also sometimes referred to as "ranges".
Here are some example brace patterns to illustrate how they work:
**Sets**
```
{a,b,c} => a b c
{a,b,c}{1,2} => a1 a2 b1 b2 c1 c2
```
**Sequences**
```
{1..9} => 1 2 3 4 5 6 7 8 9
{4..-4} => 4 3 2 1 0 -1 -2 -3 -4
{1..20..3} => 1 4 7 10 13 16 19
{a..j} => a b c d e f g h i j
{j..a} => j i h g f e d c b a
{a..z..3} => a d g j m p s v y
```
**Combination**
Sets and sequences can be mixed together or used along with any other strings.
```
{a,b,c}{1..3} => a1 a2 a3 b1 b2 b3 c1 c2 c3
foo/{a,b,c}/bar => foo/a/bar foo/b/bar foo/c/bar
```
The fact that braces can be "expanded" from relatively simple patterns makes them ideal for quickly generating test fixtures, file paths, and similar use cases.
## Brace matching
In addition to _expansion_, brace patterns are also useful for performing regular-expression-like matching.
For example, the pattern `foo/{1..3}/bar` would match any of following strings:
```
foo/1/bar
foo/2/bar
foo/3/bar
```
But not:
```
baz/1/qux
baz/2/qux
baz/3/qux
```
Braces can also be combined with [glob patterns](https://github.com/jonschlinkert/micromatch) to perform more advanced wildcard matching. For example, the pattern `*/{1..3}/*` would match any of following strings:
```
foo/1/bar
foo/2/bar
foo/3/bar
baz/1/qux
baz/2/qux
baz/3/qux
```
## Brace matching pitfalls
Although brace patterns offer a user-friendly way of matching ranges or sets of strings, there are also some major disadvantages and potential risks you should be aware of.
### tldr
**"brace bombs"**
- brace expansion can eat up a huge amount of processing resources
- as brace patterns increase _linearly in size_, the system resources required to expand the pattern increase exponentially
- users can accidentally (or intentially) exhaust your system's resources resulting in the equivalent of a DoS attack (bonus: no programming knowledge is required!)
For a more detailed explanation with examples, see the [geometric complexity](#geometric-complexity) section.
### The solution
Jump to the [performance section](#performance) to see how Braces solves this problem in comparison to other libraries.
### Geometric complexity
At minimum, brace patterns with sets limited to two elements have quadradic or `O(n^2)` complexity. But the complexity of the algorithm increases exponentially as the number of sets, _and elements per set_, increases, which is `O(n^c)`.
For example, the following sets demonstrate quadratic (`O(n^2)`) complexity:
```
{1,2}{3,4} => (2X2) => 13 14 23 24
{1,2}{3,4}{5,6} => (2X2X2) => 135 136 145 146 235 236 245 246
```
But add an element to a set, and we get a n-fold Cartesian product with `O(n^c)` complexity:
```
{1,2,3}{4,5,6}{7,8,9} => (3X3X3) => 147 148 149 157 158 159 167 168 169 247 248
249 257 258 259 267 268 269 347 348 349 357
358 359 367 368 369
```
Now, imagine how this complexity grows given that each element is a n-tuple:
```
{1..100}{1..100} => (100X100) => 10,000 elements (38.4 kB)
{1..100}{1..100}{1..100} => (100X100X100) => 1,000,000 elements (5.76 MB)
```
Although these examples are clearly contrived, they demonstrate how brace patterns can quickly grow out of control.
**More information**
Interested in learning more about brace expansion?
- [linuxjournal/bash-brace-expansion](http://www.linuxjournal.com/content/bash-brace-expansion)
- [rosettacode/Brace_expansion](https://rosettacode.org/wiki/Brace_expansion)
- [cartesian product](https://en.wikipedia.org/wiki/Cartesian_product)
</details>
## Performance
Braces is not only screaming fast, it's also more accurate the other brace expansion libraries.
### Better algorithms
Fortunately there is a solution to the ["brace bomb" problem](#brace-matching-pitfalls): _don't expand brace patterns into an array when they're used for matching_.
Instead, convert the pattern into an optimized regular expression. This is easier said than done, and braces is the only library that does this currently.
**The proof is in the numbers**
Minimatch gets exponentially slower as patterns increase in complexity, braces does not. The following results were generated using `braces()` and `minimatch.braceExpand()`, respectively.
| **Pattern** | **braces** | **[minimatch][]** |
| --------------------------- | ------------------- | ---------------------------- |
| `{1..9007199254740991}`[^1] | `298 B` (5ms 459μs) | N/A (freezes) |
| `{1..1000000000000000}` | `41 B` (1ms 15μs) | N/A (freezes) |
| `{1..100000000000000}` | `40 B` (890μs) | N/A (freezes) |
| `{1..10000000000000}` | `39 B` (2ms 49μs) | N/A (freezes) |
| `{1..1000000000000}` | `38 B` (608μs) | N/A (freezes) |
| `{1..100000000000}` | `37 B` (397μs) | N/A (freezes) |
| `{1..10000000000}` | `35 B` (983μs) | N/A (freezes) |
| `{1..1000000000}` | `34 B` (798μs) | N/A (freezes) |
| `{1..100000000}` | `33 B` (733μs) | N/A (freezes) |
| `{1..10000000}` | `32 B` (5ms 632μs) | `78.89 MB` (16s 388ms 569μs) |
| `{1..1000000}` | `31 B` (1ms 381μs) | `6.89 MB` (1s 496ms 887μs) |
| `{1..100000}` | `30 B` (950μs) | `588.89 kB` (146ms 921μs) |
| `{1..10000}` | `29 B` (1ms 114μs) | `48.89 kB` (14ms 187μs) |
| `{1..1000}` | `28 B` (760μs) | `3.89 kB` (1ms 453μs) |
| `{1..100}` | `22 B` (345μs) | `291 B` (196μs) |
| `{1..10}` | `10 B` (533μs) | `20 B` (37μs) |
| `{1..3}` | `7 B` (190μs) | `5 B` (27μs) |
### Faster algorithms
When you need expansion, braces is still much faster.
_(the following results were generated using `braces.expand()` and `minimatch.braceExpand()`, respectively)_
| **Pattern** | **braces** | **[minimatch][]** |
| --------------- | --------------------------- | ---------------------------- |
| `{1..10000000}` | `78.89 MB` (2s 698ms 642μs) | `78.89 MB` (18s 601ms 974μs) |
| `{1..1000000}` | `6.89 MB` (458ms 576μs) | `6.89 MB` (1s 491ms 621μs) |
| `{1..100000}` | `588.89 kB` (20ms 728μs) | `588.89 kB` (156ms 919μs) |
| `{1..10000}` | `48.89 kB` (2ms 202μs) | `48.89 kB` (13ms 641μs) |
| `{1..1000}` | `3.89 kB` (1ms 796μs) | `3.89 kB` (1ms 958μs) |
| `{1..100}` | `291 B` (424μs) | `291 B` (211μs) |
| `{1..10}` | `20 B` (487μs) | `20 B` (72μs) |
| `{1..3}` | `5 B` (166μs) | `5 B` (27μs) |
If you'd like to run these comparisons yourself, see [test/support/generate.js](test/support/generate.js).
## Benchmarks
### Running benchmarks
Install dev dependencies:
```bash
npm i -d && npm benchmark
```
### Latest results
Braces is more accurate, without sacrificing performance.
```bash
● expand - range (expanded)
braces x 53,167 ops/sec ±0.12% (102 runs sampled)
minimatch x 11,378 ops/sec ±0.10% (102 runs sampled)
● expand - range (optimized for regex)
braces x 373,442 ops/sec ±0.04% (100 runs sampled)
minimatch x 3,262 ops/sec ±0.18% (100 runs sampled)
● expand - nested ranges (expanded)
braces x 33,921 ops/sec ±0.09% (99 runs sampled)
minimatch x 10,855 ops/sec ±0.28% (100 runs sampled)
● expand - nested ranges (optimized for regex)
braces x 287,479 ops/sec ±0.52% (98 runs sampled)
minimatch x 3,219 ops/sec ±0.28% (101 runs sampled)
● expand - set (expanded)
braces x 238,243 ops/sec ±0.19% (97 runs sampled)
minimatch x 538,268 ops/sec ±0.31% (96 runs sampled)
● expand - set (optimized for regex)
braces x 321,844 ops/sec ±0.10% (97 runs sampled)
minimatch x 140,600 ops/sec ±0.15% (100 runs sampled)
● expand - nested sets (expanded)
braces x 165,371 ops/sec ±0.42% (96 runs sampled)
minimatch x 337,720 ops/sec ±0.28% (100 runs sampled)
● expand - nested sets (optimized for regex)
braces x 242,948 ops/sec ±0.12% (99 runs sampled)
minimatch x 87,403 ops/sec ±0.79% (96 runs sampled)
```
## About
<details>
<summary><strong>Contributing</strong></summary>
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
</details>
<details>
<summary><strong>Running Tests</strong></summary>
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
```sh
$ npm install && npm test
```
</details>
<details>
<summary><strong>Building docs</strong></summary>
_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
To generate the readme, run the following command:
```sh
$ npm install -g verbose/verb#dev verb-generate-readme && verb
```
</details>
### Contributors
| **Commits** | **Contributor** |
| ----------- | ------------------------------------------------------------- |
| 197 | [jonschlinkert](https://github.com/jonschlinkert) |
| 4 | [doowb](https://github.com/doowb) |
| 1 | [es128](https://github.com/es128) |
| 1 | [eush77](https://github.com/eush77) |
| 1 | [hemanth](https://github.com/hemanth) |
| 1 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
### Author
**Jon Schlinkert**
- [GitHub Profile](https://github.com/jonschlinkert)
- [Twitter Profile](https://twitter.com/jonschlinkert)
- [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
### License
Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
Released under the [MIT License](LICENSE).
---
_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on April 08, 2019._

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'use strict';
const stringify = require('./lib/stringify');
const compile = require('./lib/compile');
const expand = require('./lib/expand');
const parse = require('./lib/parse');
/**
* Expand the given pattern or create a regex-compatible string.
*
* ```js
* const braces = require('braces');
* console.log(braces('{a,b,c}', { compile: true })); //=> ['(a|b|c)']
* console.log(braces('{a,b,c}')); //=> ['a', 'b', 'c']
* ```
* @param {String} `str`
* @param {Object} `options`
* @return {String}
* @api public
*/
const braces = (input, options = {}) => {
let output = [];
if (Array.isArray(input)) {
for (const pattern of input) {
const result = braces.create(pattern, options);
if (Array.isArray(result)) {
output.push(...result);
} else {
output.push(result);
}
}
} else {
output = [].concat(braces.create(input, options));
}
if (options && options.expand === true && options.nodupes === true) {
output = [...new Set(output)];
}
return output;
};
/**
* Parse the given `str` with the given `options`.
*
* ```js
* // braces.parse(pattern, [, options]);
* const ast = braces.parse('a/{b,c}/d');
* console.log(ast);
* ```
* @param {String} pattern Brace pattern to parse
* @param {Object} options
* @return {Object} Returns an AST
* @api public
*/
braces.parse = (input, options = {}) => parse(input, options);
/**
* Creates a braces string from an AST, or an AST node.
*
* ```js
* const braces = require('braces');
* let ast = braces.parse('foo/{a,b}/bar');
* console.log(stringify(ast.nodes[2])); //=> '{a,b}'
* ```
* @param {String} `input` Brace pattern or AST.
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces.stringify = (input, options = {}) => {
if (typeof input === 'string') {
return stringify(braces.parse(input, options), options);
}
return stringify(input, options);
};
/**
* Compiles a brace pattern into a regex-compatible, optimized string.
* This method is called by the main [braces](#braces) function by default.
*
* ```js
* const braces = require('braces');
* console.log(braces.compile('a/{b,c}/d'));
* //=> ['a/(b|c)/d']
* ```
* @param {String} `input` Brace pattern or AST.
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces.compile = (input, options = {}) => {
if (typeof input === 'string') {
input = braces.parse(input, options);
}
return compile(input, options);
};
/**
* Expands a brace pattern into an array. This method is called by the
* main [braces](#braces) function when `options.expand` is true. Before
* using this method it's recommended that you read the [performance notes](#performance))
* and advantages of using [.compile](#compile) instead.
*
* ```js
* const braces = require('braces');
* console.log(braces.expand('a/{b,c}/d'));
* //=> ['a/b/d', 'a/c/d'];
* ```
* @param {String} `pattern` Brace pattern
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces.expand = (input, options = {}) => {
if (typeof input === 'string') {
input = braces.parse(input, options);
}
let result = expand(input, options);
// filter out empty strings if specified
if (options.noempty === true) {
result = result.filter(Boolean);
}
// filter out duplicates if specified
if (options.nodupes === true) {
result = [...new Set(result)];
}
return result;
};
/**
* Processes a brace pattern and returns either an expanded array
* (if `options.expand` is true), a highly optimized regex-compatible string.
* This method is called by the main [braces](#braces) function.
*
* ```js
* const braces = require('braces');
* console.log(braces.create('user-{200..300}/project-{a,b,c}-{1..10}'))
* //=> 'user-(20[0-9]|2[1-9][0-9]|300)/project-(a|b|c)-([1-9]|10)'
* ```
* @param {String} `pattern` Brace pattern
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces.create = (input, options = {}) => {
if (input === '' || input.length < 3) {
return [input];
}
return options.expand !== true
? braces.compile(input, options)
: braces.expand(input, options);
};
/**
* Expose "braces"
*/
module.exports = braces;

60
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@ -1,60 +0,0 @@
'use strict';
const fill = require('fill-range');
const utils = require('./utils');
const compile = (ast, options = {}) => {
const walk = (node, parent = {}) => {
const invalidBlock = utils.isInvalidBrace(parent);
const invalidNode = node.invalid === true && options.escapeInvalid === true;
const invalid = invalidBlock === true || invalidNode === true;
const prefix = options.escapeInvalid === true ? '\\' : '';
let output = '';
if (node.isOpen === true) {
return prefix + node.value;
}
if (node.isClose === true) {
console.log('node.isClose', prefix, node.value);
return prefix + node.value;
}
if (node.type === 'open') {
return invalid ? prefix + node.value : '(';
}
if (node.type === 'close') {
return invalid ? prefix + node.value : ')';
}
if (node.type === 'comma') {
return node.prev.type === 'comma' ? '' : invalid ? node.value : '|';
}
if (node.value) {
return node.value;
}
if (node.nodes && node.ranges > 0) {
const args = utils.reduce(node.nodes);
const range = fill(...args, { ...options, wrap: false, toRegex: true, strictZeros: true });
if (range.length !== 0) {
return args.length > 1 && range.length > 1 ? `(${range})` : range;
}
}
if (node.nodes) {
for (const child of node.nodes) {
output += walk(child, node);
}
}
return output;
};
return walk(ast);
};
module.exports = compile;

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@ -1,57 +0,0 @@
'use strict';
module.exports = {
MAX_LENGTH: 10000,
// Digits
CHAR_0: '0', /* 0 */
CHAR_9: '9', /* 9 */
// Alphabet chars.
CHAR_UPPERCASE_A: 'A', /* A */
CHAR_LOWERCASE_A: 'a', /* a */
CHAR_UPPERCASE_Z: 'Z', /* Z */
CHAR_LOWERCASE_Z: 'z', /* z */
CHAR_LEFT_PARENTHESES: '(', /* ( */
CHAR_RIGHT_PARENTHESES: ')', /* ) */
CHAR_ASTERISK: '*', /* * */
// Non-alphabetic chars.
CHAR_AMPERSAND: '&', /* & */
CHAR_AT: '@', /* @ */
CHAR_BACKSLASH: '\\', /* \ */
CHAR_BACKTICK: '`', /* ` */
CHAR_CARRIAGE_RETURN: '\r', /* \r */
CHAR_CIRCUMFLEX_ACCENT: '^', /* ^ */
CHAR_COLON: ':', /* : */
CHAR_COMMA: ',', /* , */
CHAR_DOLLAR: '$', /* . */
CHAR_DOT: '.', /* . */
CHAR_DOUBLE_QUOTE: '"', /* " */
CHAR_EQUAL: '=', /* = */
CHAR_EXCLAMATION_MARK: '!', /* ! */
CHAR_FORM_FEED: '\f', /* \f */
CHAR_FORWARD_SLASH: '/', /* / */
CHAR_HASH: '#', /* # */
CHAR_HYPHEN_MINUS: '-', /* - */
CHAR_LEFT_ANGLE_BRACKET: '<', /* < */
CHAR_LEFT_CURLY_BRACE: '{', /* { */
CHAR_LEFT_SQUARE_BRACKET: '[', /* [ */
CHAR_LINE_FEED: '\n', /* \n */
CHAR_NO_BREAK_SPACE: '\u00A0', /* \u00A0 */
CHAR_PERCENT: '%', /* % */
CHAR_PLUS: '+', /* + */
CHAR_QUESTION_MARK: '?', /* ? */
CHAR_RIGHT_ANGLE_BRACKET: '>', /* > */
CHAR_RIGHT_CURLY_BRACE: '}', /* } */
CHAR_RIGHT_SQUARE_BRACKET: ']', /* ] */
CHAR_SEMICOLON: ';', /* ; */
CHAR_SINGLE_QUOTE: '\'', /* ' */
CHAR_SPACE: ' ', /* */
CHAR_TAB: '\t', /* \t */
CHAR_UNDERSCORE: '_', /* _ */
CHAR_VERTICAL_LINE: '|', /* | */
CHAR_ZERO_WIDTH_NOBREAK_SPACE: '\uFEFF' /* \uFEFF */
};

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@ -1,113 +0,0 @@
'use strict';
const fill = require('fill-range');
const stringify = require('./stringify');
const utils = require('./utils');
const append = (queue = '', stash = '', enclose = false) => {
const result = [];
queue = [].concat(queue);
stash = [].concat(stash);
if (!stash.length) return queue;
if (!queue.length) {
return enclose ? utils.flatten(stash).map(ele => `{${ele}}`) : stash;
}
for (const item of queue) {
if (Array.isArray(item)) {
for (const value of item) {
result.push(append(value, stash, enclose));
}
} else {
for (let ele of stash) {
if (enclose === true && typeof ele === 'string') ele = `{${ele}}`;
result.push(Array.isArray(ele) ? append(item, ele, enclose) : item + ele);
}
}
}
return utils.flatten(result);
};
const expand = (ast, options = {}) => {
const rangeLimit = options.rangeLimit === undefined ? 1000 : options.rangeLimit;
const walk = (node, parent = {}) => {
node.queue = [];
let p = parent;
let q = parent.queue;
while (p.type !== 'brace' && p.type !== 'root' && p.parent) {
p = p.parent;
q = p.queue;
}
if (node.invalid || node.dollar) {
q.push(append(q.pop(), stringify(node, options)));
return;
}
if (node.type === 'brace' && node.invalid !== true && node.nodes.length === 2) {
q.push(append(q.pop(), ['{}']));
return;
}
if (node.nodes && node.ranges > 0) {
const args = utils.reduce(node.nodes);
if (utils.exceedsLimit(...args, options.step, rangeLimit)) {
throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.');
}
let range = fill(...args, options);
if (range.length === 0) {
range = stringify(node, options);
}
q.push(append(q.pop(), range));
node.nodes = [];
return;
}
const enclose = utils.encloseBrace(node);
let queue = node.queue;
let block = node;
while (block.type !== 'brace' && block.type !== 'root' && block.parent) {
block = block.parent;
queue = block.queue;
}
for (let i = 0; i < node.nodes.length; i++) {
const child = node.nodes[i];
if (child.type === 'comma' && node.type === 'brace') {
if (i === 1) queue.push('');
queue.push('');
continue;
}
if (child.type === 'close') {
q.push(append(q.pop(), queue, enclose));
continue;
}
if (child.value && child.type !== 'open') {
queue.push(append(queue.pop(), child.value));
continue;
}
if (child.nodes) {
walk(child, node);
}
}
return queue;
};
return utils.flatten(walk(ast));
};
module.exports = expand;

331
nodeJS/Learning/01/node_modules/braces/lib/parse.js generated vendored
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@ -1,331 +0,0 @@
'use strict';
const stringify = require('./stringify');
/**
* Constants
*/
const {
MAX_LENGTH,
CHAR_BACKSLASH, /* \ */
CHAR_BACKTICK, /* ` */
CHAR_COMMA, /* , */
CHAR_DOT, /* . */
CHAR_LEFT_PARENTHESES, /* ( */
CHAR_RIGHT_PARENTHESES, /* ) */
CHAR_LEFT_CURLY_BRACE, /* { */
CHAR_RIGHT_CURLY_BRACE, /* } */
CHAR_LEFT_SQUARE_BRACKET, /* [ */
CHAR_RIGHT_SQUARE_BRACKET, /* ] */
CHAR_DOUBLE_QUOTE, /* " */
CHAR_SINGLE_QUOTE, /* ' */
CHAR_NO_BREAK_SPACE,
CHAR_ZERO_WIDTH_NOBREAK_SPACE
} = require('./constants');
/**
* parse
*/
const parse = (input, options = {}) => {
if (typeof input !== 'string') {
throw new TypeError('Expected a string');
}
const opts = options || {};
const max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
if (input.length > max) {
throw new SyntaxError(`Input length (${input.length}), exceeds max characters (${max})`);
}
const ast = { type: 'root', input, nodes: [] };
const stack = [ast];
let block = ast;
let prev = ast;
let brackets = 0;
const length = input.length;
let index = 0;
let depth = 0;
let value;
/**
* Helpers
*/
const advance = () => input[index++];
const push = node => {
if (node.type === 'text' && prev.type === 'dot') {
prev.type = 'text';
}
if (prev && prev.type === 'text' && node.type === 'text') {
prev.value += node.value;
return;
}
block.nodes.push(node);
node.parent = block;
node.prev = prev;
prev = node;
return node;
};
push({ type: 'bos' });
while (index < length) {
block = stack[stack.length - 1];
value = advance();
/**
* Invalid chars
*/
if (value === CHAR_ZERO_WIDTH_NOBREAK_SPACE || value === CHAR_NO_BREAK_SPACE) {
continue;
}
/**
* Escaped chars
*/
if (value === CHAR_BACKSLASH) {
push({ type: 'text', value: (options.keepEscaping ? value : '') + advance() });
continue;
}
/**
* Right square bracket (literal): ']'
*/
if (value === CHAR_RIGHT_SQUARE_BRACKET) {
push({ type: 'text', value: '\\' + value });
continue;
}
/**
* Left square bracket: '['
*/
if (value === CHAR_LEFT_SQUARE_BRACKET) {
brackets++;
let next;
while (index < length && (next = advance())) {
value += next;
if (next === CHAR_LEFT_SQUARE_BRACKET) {
brackets++;
continue;
}
if (next === CHAR_BACKSLASH) {
value += advance();
continue;
}
if (next === CHAR_RIGHT_SQUARE_BRACKET) {
brackets--;
if (brackets === 0) {
break;
}
}
}
push({ type: 'text', value });
continue;
}
/**
* Parentheses
*/
if (value === CHAR_LEFT_PARENTHESES) {
block = push({ type: 'paren', nodes: [] });
stack.push(block);
push({ type: 'text', value });
continue;
}
if (value === CHAR_RIGHT_PARENTHESES) {
if (block.type !== 'paren') {
push({ type: 'text', value });
continue;
}
block = stack.pop();
push({ type: 'text', value });
block = stack[stack.length - 1];
continue;
}
/**
* Quotes: '|"|`
*/
if (value === CHAR_DOUBLE_QUOTE || value === CHAR_SINGLE_QUOTE || value === CHAR_BACKTICK) {
const open = value;
let next;
if (options.keepQuotes !== true) {
value = '';
}
while (index < length && (next = advance())) {
if (next === CHAR_BACKSLASH) {
value += next + advance();
continue;
}
if (next === open) {
if (options.keepQuotes === true) value += next;
break;
}
value += next;
}
push({ type: 'text', value });
continue;
}
/**
* Left curly brace: '{'
*/
if (value === CHAR_LEFT_CURLY_BRACE) {
depth++;
const dollar = prev.value && prev.value.slice(-1) === '$' || block.dollar === true;
const brace = {
type: 'brace',
open: true,
close: false,
dollar,
depth,
commas: 0,
ranges: 0,
nodes: []
};
block = push(brace);
stack.push(block);
push({ type: 'open', value });
continue;
}
/**
* Right curly brace: '}'
*/
if (value === CHAR_RIGHT_CURLY_BRACE) {
if (block.type !== 'brace') {
push({ type: 'text', value });
continue;
}
const type = 'close';
block = stack.pop();
block.close = true;
push({ type, value });
depth--;
block = stack[stack.length - 1];
continue;
}
/**
* Comma: ','
*/
if (value === CHAR_COMMA && depth > 0) {
if (block.ranges > 0) {
block.ranges = 0;
const open = block.nodes.shift();
block.nodes = [open, { type: 'text', value: stringify(block) }];
}
push({ type: 'comma', value });
block.commas++;
continue;
}
/**
* Dot: '.'
*/
if (value === CHAR_DOT && depth > 0 && block.commas === 0) {
const siblings = block.nodes;
if (depth === 0 || siblings.length === 0) {
push({ type: 'text', value });
continue;
}
if (prev.type === 'dot') {
block.range = [];
prev.value += value;
prev.type = 'range';
if (block.nodes.length !== 3 && block.nodes.length !== 5) {
block.invalid = true;
block.ranges = 0;
prev.type = 'text';
continue;
}
block.ranges++;
block.args = [];
continue;
}
if (prev.type === 'range') {
siblings.pop();
const before = siblings[siblings.length - 1];
before.value += prev.value + value;
prev = before;
block.ranges--;
continue;
}
push({ type: 'dot', value });
continue;
}
/**
* Text
*/
push({ type: 'text', value });
}
// Mark imbalanced braces and brackets as invalid
do {
block = stack.pop();
if (block.type !== 'root') {
block.nodes.forEach(node => {
if (!node.nodes) {
if (node.type === 'open') node.isOpen = true;
if (node.type === 'close') node.isClose = true;
if (!node.nodes) node.type = 'text';
node.invalid = true;
}
});
// get the location of the block on parent.nodes (block's siblings)
const parent = stack[stack.length - 1];
const index = parent.nodes.indexOf(block);
// replace the (invalid) block with it's nodes
parent.nodes.splice(index, 1, ...block.nodes);
}
} while (stack.length > 0);
push({ type: 'eos' });
return ast;
};
module.exports = parse;

32
nodeJS/Learning/01/node_modules/braces/lib/stringify.js generated vendored
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@ -1,32 +0,0 @@
'use strict';
const utils = require('./utils');
module.exports = (ast, options = {}) => {
const stringify = (node, parent = {}) => {
const invalidBlock = options.escapeInvalid && utils.isInvalidBrace(parent);
const invalidNode = node.invalid === true && options.escapeInvalid === true;
let output = '';
if (node.value) {
if ((invalidBlock || invalidNode) && utils.isOpenOrClose(node)) {
return '\\' + node.value;
}
return node.value;
}
if (node.value) {
return node.value;
}
if (node.nodes) {
for (const child of node.nodes) {
output += stringify(child);
}
}
return output;
};
return stringify(ast);
};

122
nodeJS/Learning/01/node_modules/braces/lib/utils.js generated vendored
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@ -1,122 +0,0 @@
'use strict';
exports.isInteger = num => {
if (typeof num === 'number') {
return Number.isInteger(num);
}
if (typeof num === 'string' && num.trim() !== '') {
return Number.isInteger(Number(num));
}
return false;
};
/**
* Find a node of the given type
*/
exports.find = (node, type) => node.nodes.find(node => node.type === type);
/**
* Find a node of the given type
*/
exports.exceedsLimit = (min, max, step = 1, limit) => {
if (limit === false) return false;
if (!exports.isInteger(min) || !exports.isInteger(max)) return false;
return ((Number(max) - Number(min)) / Number(step)) >= limit;
};
/**
* Escape the given node with '\\' before node.value
*/
exports.escapeNode = (block, n = 0, type) => {
const node = block.nodes[n];
if (!node) return;
if ((type && node.type === type) || node.type === 'open' || node.type === 'close') {
if (node.escaped !== true) {
node.value = '\\' + node.value;
node.escaped = true;
}
}
};
/**
* Returns true if the given brace node should be enclosed in literal braces
*/
exports.encloseBrace = node => {
if (node.type !== 'brace') return false;
if ((node.commas >> 0 + node.ranges >> 0) === 0) {
node.invalid = true;
return true;
}
return false;
};
/**
* Returns true if a brace node is invalid.
*/
exports.isInvalidBrace = block => {
if (block.type !== 'brace') return false;
if (block.invalid === true || block.dollar) return true;
if ((block.commas >> 0 + block.ranges >> 0) === 0) {
block.invalid = true;
return true;
}
if (block.open !== true || block.close !== true) {
block.invalid = true;
return true;
}
return false;
};
/**
* Returns true if a node is an open or close node
*/
exports.isOpenOrClose = node => {
if (node.type === 'open' || node.type === 'close') {
return true;
}
return node.open === true || node.close === true;
};
/**
* Reduce an array of text nodes.
*/
exports.reduce = nodes => nodes.reduce((acc, node) => {
if (node.type === 'text') acc.push(node.value);
if (node.type === 'range') node.type = 'text';
return acc;
}, []);
/**
* Flatten an array
*/
exports.flatten = (...args) => {
const result = [];
const flat = arr => {
for (let i = 0; i < arr.length; i++) {
const ele = arr[i];
if (Array.isArray(ele)) {
flat(ele);
continue;
}
if (ele !== undefined) {
result.push(ele);
}
}
return result;
};
flat(args);
return result;
};

77
nodeJS/Learning/01/node_modules/braces/package.json generated vendored
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@ -1,77 +0,0 @@
{
"name": "braces",
"description": "Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.",
"version": "3.0.3",
"homepage": "https://github.com/micromatch/braces",
"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
"contributors": [
"Brian Woodward (https://twitter.com/doowb)",
"Elan Shanker (https://github.com/es128)",
"Eugene Sharygin (https://github.com/eush77)",
"hemanth.hm (http://h3manth.com)",
"Jon Schlinkert (http://twitter.com/jonschlinkert)"
],
"repository": "micromatch/braces",
"bugs": {
"url": "https://github.com/micromatch/braces/issues"
},
"license": "MIT",
"files": [
"index.js",
"lib"
],
"main": "index.js",
"engines": {
"node": ">=8"
},
"scripts": {
"test": "mocha",
"benchmark": "node benchmark"
},
"dependencies": {
"fill-range": "^7.1.1"
},
"devDependencies": {
"ansi-colors": "^3.2.4",
"bash-path": "^2.0.1",
"gulp-format-md": "^2.0.0",
"mocha": "^6.1.1"
},
"keywords": [
"alpha",
"alphabetical",
"bash",
"brace",
"braces",
"expand",
"expansion",
"filepath",
"fill",
"fs",
"glob",
"globbing",
"letter",
"match",
"matches",
"matching",
"number",
"numerical",
"path",
"range",
"ranges",
"sh"
],
"verb": {
"toc": false,
"layout": "default",
"tasks": [
"readme"
],
"lint": {
"reflinks": true
},
"plugins": [
"gulp-format-md"
]
}
}

415
nodeJS/Learning/01/node_modules/chalk/index.d.ts generated vendored
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@ -1,415 +0,0 @@
/**
Basic foreground colors.
[More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
*/
declare type ForegroundColor =
| 'black'
| 'red'
| 'green'
| 'yellow'
| 'blue'
| 'magenta'
| 'cyan'
| 'white'
| 'gray'
| 'grey'
| 'blackBright'
| 'redBright'
| 'greenBright'
| 'yellowBright'
| 'blueBright'
| 'magentaBright'
| 'cyanBright'
| 'whiteBright';
/**
Basic background colors.
[More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
*/
declare type BackgroundColor =
| 'bgBlack'
| 'bgRed'
| 'bgGreen'
| 'bgYellow'
| 'bgBlue'
| 'bgMagenta'
| 'bgCyan'
| 'bgWhite'
| 'bgGray'
| 'bgGrey'
| 'bgBlackBright'
| 'bgRedBright'
| 'bgGreenBright'
| 'bgYellowBright'
| 'bgBlueBright'
| 'bgMagentaBright'
| 'bgCyanBright'
| 'bgWhiteBright';
/**
Basic colors.
[More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
*/
declare type Color = ForegroundColor | BackgroundColor;
declare type Modifiers =
| 'reset'
| 'bold'
| 'dim'
| 'italic'
| 'underline'
| 'inverse'
| 'hidden'
| 'strikethrough'
| 'visible';
declare namespace chalk {
/**
Levels:
- `0` - All colors disabled.
- `1` - Basic 16 colors support.
- `2` - ANSI 256 colors support.
- `3` - Truecolor 16 million colors support.
*/
type Level = 0 | 1 | 2 | 3;
interface Options {
/**
Specify the color support for Chalk.
By default, color support is automatically detected based on the environment.
Levels:
- `0` - All colors disabled.
- `1` - Basic 16 colors support.
- `2` - ANSI 256 colors support.
- `3` - Truecolor 16 million colors support.
*/
level?: Level;
}
/**
Return a new Chalk instance.
*/
type Instance = new (options?: Options) => Chalk;
/**
Detect whether the terminal supports color.
*/
interface ColorSupport {
/**
The color level used by Chalk.
*/
level: Level;
/**
Return whether Chalk supports basic 16 colors.
*/
hasBasic: boolean;
/**
Return whether Chalk supports ANSI 256 colors.
*/
has256: boolean;
/**
Return whether Chalk supports Truecolor 16 million colors.
*/
has16m: boolean;
}
interface ChalkFunction {
/**
Use a template string.
@remarks Template literals are unsupported for nested calls (see [issue #341](https://github.com/chalk/chalk/issues/341))
@example
```
import chalk = require('chalk');
log(chalk`
CPU: {red ${cpu.totalPercent}%}
RAM: {green ${ram.used / ram.total * 100}%}
DISK: {rgb(255,131,0) ${disk.used / disk.total * 100}%}
`);
```
@example
```
import chalk = require('chalk');
log(chalk.red.bgBlack`2 + 3 = {bold ${2 + 3}}`)
```
*/
(text: TemplateStringsArray, ...placeholders: unknown[]): string;
(...text: unknown[]): string;
}
interface Chalk extends ChalkFunction {
/**
Return a new Chalk instance.
*/
Instance: Instance;
/**
The color support for Chalk.
By default, color support is automatically detected based on the environment.
Levels:
- `0` - All colors disabled.
- `1` - Basic 16 colors support.
- `2` - ANSI 256 colors support.
- `3` - Truecolor 16 million colors support.
*/
level: Level;
/**
Use HEX value to set text color.
@param color - Hexadecimal value representing the desired color.
@example
```
import chalk = require('chalk');
chalk.hex('#DEADED');
```
*/
hex(color: string): Chalk;
/**
Use keyword color value to set text color.
@param color - Keyword value representing the desired color.
@example
```
import chalk = require('chalk');
chalk.keyword('orange');
```
*/
keyword(color: string): Chalk;
/**
Use RGB values to set text color.
*/
rgb(red: number, green: number, blue: number): Chalk;
/**
Use HSL values to set text color.
*/
hsl(hue: number, saturation: number, lightness: number): Chalk;
/**
Use HSV values to set text color.
*/
hsv(hue: number, saturation: number, value: number): Chalk;
/**
Use HWB values to set text color.
*/
hwb(hue: number, whiteness: number, blackness: number): Chalk;
/**
Use a [Select/Set Graphic Rendition](https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters) (SGR) [color code number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) to set text color.
30 <= code && code < 38 || 90 <= code && code < 98
For example, 31 for red, 91 for redBright.
*/
ansi(code: number): Chalk;
/**
Use a [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set text color.
*/
ansi256(index: number): Chalk;
/**
Use HEX value to set background color.
@param color - Hexadecimal value representing the desired color.
@example
```
import chalk = require('chalk');
chalk.bgHex('#DEADED');
```
*/
bgHex(color: string): Chalk;
/**
Use keyword color value to set background color.
@param color - Keyword value representing the desired color.
@example
```
import chalk = require('chalk');
chalk.bgKeyword('orange');
```
*/
bgKeyword(color: string): Chalk;
/**
Use RGB values to set background color.
*/
bgRgb(red: number, green: number, blue: number): Chalk;
/**
Use HSL values to set background color.
*/
bgHsl(hue: number, saturation: number, lightness: number): Chalk;
/**
Use HSV values to set background color.
*/
bgHsv(hue: number, saturation: number, value: number): Chalk;
/**
Use HWB values to set background color.
*/
bgHwb(hue: number, whiteness: number, blackness: number): Chalk;
/**
Use a [Select/Set Graphic Rendition](https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters) (SGR) [color code number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) to set background color.
30 <= code && code < 38 || 90 <= code && code < 98
For example, 31 for red, 91 for redBright.
Use the foreground code, not the background code (for example, not 41, nor 101).
*/
bgAnsi(code: number): Chalk;
/**
Use a [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set background color.
*/
bgAnsi256(index: number): Chalk;
/**
Modifier: Resets the current color chain.
*/
readonly reset: Chalk;
/**
Modifier: Make text bold.
*/
readonly bold: Chalk;
/**
Modifier: Emitting only a small amount of light.
*/
readonly dim: Chalk;
/**
Modifier: Make text italic. (Not widely supported)
*/
readonly italic: Chalk;
/**
Modifier: Make text underline. (Not widely supported)
*/
readonly underline: Chalk;
/**
Modifier: Inverse background and foreground colors.
*/
readonly inverse: Chalk;
/**
Modifier: Prints the text, but makes it invisible.
*/
readonly hidden: Chalk;
/**
Modifier: Puts a horizontal line through the center of the text. (Not widely supported)
*/
readonly strikethrough: Chalk;
/**
Modifier: Prints the text only when Chalk has a color support level > 0.
Can be useful for things that are purely cosmetic.
*/
readonly visible: Chalk;
readonly black: Chalk;
readonly red: Chalk;
readonly green: Chalk;
readonly yellow: Chalk;
readonly blue: Chalk;
readonly magenta: Chalk;
readonly cyan: Chalk;
readonly white: Chalk;
/*
Alias for `blackBright`.
*/
readonly gray: Chalk;
/*
Alias for `blackBright`.
*/
readonly grey: Chalk;
readonly blackBright: Chalk;
readonly redBright: Chalk;
readonly greenBright: Chalk;
readonly yellowBright: Chalk;
readonly blueBright: Chalk;
readonly magentaBright: Chalk;
readonly cyanBright: Chalk;
readonly whiteBright: Chalk;
readonly bgBlack: Chalk;
readonly bgRed: Chalk;
readonly bgGreen: Chalk;
readonly bgYellow: Chalk;
readonly bgBlue: Chalk;
readonly bgMagenta: Chalk;
readonly bgCyan: Chalk;
readonly bgWhite: Chalk;
/*
Alias for `bgBlackBright`.
*/
readonly bgGray: Chalk;
/*
Alias for `bgBlackBright`.
*/
readonly bgGrey: Chalk;
readonly bgBlackBright: Chalk;
readonly bgRedBright: Chalk;
readonly bgGreenBright: Chalk;
readonly bgYellowBright: Chalk;
readonly bgBlueBright: Chalk;
readonly bgMagentaBright: Chalk;
readonly bgCyanBright: Chalk;
readonly bgWhiteBright: Chalk;
}
}
/**
Main Chalk object that allows to chain styles together.
Call the last one as a method with a string argument.
Order doesn't matter, and later styles take precedent in case of a conflict.
This simply means that `chalk.red.yellow.green` is equivalent to `chalk.green`.
*/
declare const chalk: chalk.Chalk & chalk.ChalkFunction & {
supportsColor: chalk.ColorSupport | false;
Level: chalk.Level;
Color: Color;
ForegroundColor: ForegroundColor;
BackgroundColor: BackgroundColor;
Modifiers: Modifiers;
stderr: chalk.Chalk & {supportsColor: chalk.ColorSupport | false};
};
export = chalk;

9
nodeJS/Learning/01/node_modules/chalk/license generated vendored
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@ -1,9 +0,0 @@
MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

39
nodeJS/Learning/01/node_modules/chalk/node_modules/has-flag/index.d.ts generated vendored
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@ -1,39 +0,0 @@
/**
Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag.
@param flag - CLI flag to look for. The `--` prefix is optional.
@param argv - CLI arguments. Default: `process.argv`.
@returns Whether the flag exists.
@example
```
// $ ts-node foo.ts -f --unicorn --foo=bar -- --rainbow
// foo.ts
import hasFlag = require('has-flag');
hasFlag('unicorn');
//=> true
hasFlag('--unicorn');
//=> true
hasFlag('f');
//=> true
hasFlag('-f');
//=> true
hasFlag('foo=bar');
//=> true
hasFlag('foo');
//=> false
hasFlag('rainbow');
//=> false
```
*/
declare function hasFlag(flag: string, argv?: string[]): boolean;
export = hasFlag;

8
nodeJS/Learning/01/node_modules/chalk/node_modules/has-flag/index.js generated vendored
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@ -1,8 +0,0 @@
'use strict';
module.exports = (flag, argv = process.argv) => {
const prefix = flag.startsWith('-') ? '' : (flag.length === 1 ? '-' : '--');
const position = argv.indexOf(prefix + flag);
const terminatorPosition = argv.indexOf('--');
return position !== -1 && (terminatorPosition === -1 || position < terminatorPosition);
};

9
nodeJS/Learning/01/node_modules/chalk/node_modules/has-flag/license generated vendored
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@ -1,9 +0,0 @@
MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

46
nodeJS/Learning/01/node_modules/chalk/node_modules/has-flag/package.json generated vendored
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@ -1,46 +0,0 @@
{
"name": "has-flag",
"version": "4.0.0",
"description": "Check if argv has a specific flag",
"license": "MIT",
"repository": "sindresorhus/has-flag",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
"engines": {
"node": ">=8"
},
"scripts": {
"test": "xo && ava && tsd"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"has",
"check",
"detect",
"contains",
"find",
"flag",
"cli",
"command-line",
"argv",
"process",
"arg",
"args",
"argument",
"arguments",
"getopt",
"minimist",
"optimist"
],
"devDependencies": {
"ava": "^1.4.1",
"tsd": "^0.7.2",
"xo": "^0.24.0"
}
}

89
nodeJS/Learning/01/node_modules/chalk/node_modules/has-flag/readme.md generated vendored
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@ -1,89 +0,0 @@
# has-flag [![Build Status](https://travis-ci.org/sindresorhus/has-flag.svg?branch=master)](https://travis-ci.org/sindresorhus/has-flag)
> Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag
Correctly stops looking after an `--` argument terminator.
---
<div align="center">
<b>
<a href="https://tidelift.com/subscription/pkg/npm-has-flag?utm_source=npm-has-flag&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
</b>
<br>
<sub>
Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
</sub>
</div>
---
## Install
```
$ npm install has-flag
```
## Usage
```js
// foo.js
const hasFlag = require('has-flag');
hasFlag('unicorn');
//=> true
hasFlag('--unicorn');
//=> true
hasFlag('f');
//=> true
hasFlag('-f');
//=> true
hasFlag('foo=bar');
//=> true
hasFlag('foo');
//=> false
hasFlag('rainbow');
//=> false
```
```
$ node foo.js -f --unicorn --foo=bar -- --rainbow
```
## API
### hasFlag(flag, [argv])
Returns a boolean for whether the flag exists.
#### flag
Type: `string`
CLI flag to look for. The `--` prefix is optional.
#### argv
Type: `string[]`<br>
Default: `process.argv`
CLI arguments.
## Security
To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.
## License
MIT © [Sindre Sorhus](https://sindresorhus.com)

5
nodeJS/Learning/01/node_modules/chalk/node_modules/supports-color/browser.js generated vendored
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@ -1,5 +0,0 @@
'use strict';
module.exports = {
stdout: false,
stderr: false
};

135
nodeJS/Learning/01/node_modules/chalk/node_modules/supports-color/index.js generated vendored
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@ -1,135 +0,0 @@
'use strict';
const os = require('os');
const tty = require('tty');
const hasFlag = require('has-flag');
const {env} = process;
let forceColor;
if (hasFlag('no-color') ||
hasFlag('no-colors') ||
hasFlag('color=false') ||
hasFlag('color=never')) {
forceColor = 0;
} else if (hasFlag('color') ||
hasFlag('colors') ||
hasFlag('color=true') ||
hasFlag('color=always')) {
forceColor = 1;
}
if ('FORCE_COLOR' in env) {
if (env.FORCE_COLOR === 'true') {
forceColor = 1;
} else if (env.FORCE_COLOR === 'false') {
forceColor = 0;
} else {
forceColor = env.FORCE_COLOR.length === 0 ? 1 : Math.min(parseInt(env.FORCE_COLOR, 10), 3);
}
}
function translateLevel(level) {
if (level === 0) {
return false;
}
return {
level,
hasBasic: true,
has256: level >= 2,
has16m: level >= 3
};
}
function supportsColor(haveStream, streamIsTTY) {
if (forceColor === 0) {
return 0;
}
if (hasFlag('color=16m') ||
hasFlag('color=full') ||
hasFlag('color=truecolor')) {
return 3;
}
if (hasFlag('color=256')) {
return 2;
}
if (haveStream && !streamIsTTY && forceColor === undefined) {
return 0;
}
const min = forceColor || 0;
if (env.TERM === 'dumb') {
return min;
}
if (process.platform === 'win32') {
// Windows 10 build 10586 is the first Windows release that supports 256 colors.
// Windows 10 build 14931 is the first release that supports 16m/TrueColor.
const osRelease = os.release().split('.');
if (
Number(osRelease[0]) >= 10 &&
Number(osRelease[2]) >= 10586
) {
return Number(osRelease[2]) >= 14931 ? 3 : 2;
}
return 1;
}
if ('CI' in env) {
if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE'].some(sign => sign in env) || env.CI_NAME === 'codeship') {
return 1;
}
return min;
}
if ('TEAMCITY_VERSION' in env) {
return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0;
}
if (env.COLORTERM === 'truecolor') {
return 3;
}
if ('TERM_PROGRAM' in env) {
const version = parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10);
switch (env.TERM_PROGRAM) {
case 'iTerm.app':
return version >= 3 ? 3 : 2;
case 'Apple_Terminal':
return 2;
// No default
}
}
if (/-256(color)?$/i.test(env.TERM)) {
return 2;
}
if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) {
return 1;
}
if ('COLORTERM' in env) {
return 1;
}
return min;
}
function getSupportLevel(stream) {
const level = supportsColor(stream, stream && stream.isTTY);
return translateLevel(level);
}
module.exports = {
supportsColor: getSupportLevel,
stdout: translateLevel(supportsColor(true, tty.isatty(1))),
stderr: translateLevel(supportsColor(true, tty.isatty(2)))
};

9
nodeJS/Learning/01/node_modules/chalk/node_modules/supports-color/license generated vendored
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@ -1,9 +0,0 @@
MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

53
nodeJS/Learning/01/node_modules/chalk/node_modules/supports-color/package.json generated vendored
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@ -1,53 +0,0 @@
{
"name": "supports-color",
"version": "7.2.0",
"description": "Detect whether a terminal supports color",
"license": "MIT",
"repository": "chalk/supports-color",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
"engines": {
"node": ">=8"
},
"scripts": {
"test": "xo && ava"
},
"files": [
"index.js",
"browser.js"
],
"keywords": [
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"ansi",
"styles",
"tty",
"rgb",
"256",
"shell",
"xterm",
"command-line",
"support",
"supports",
"capability",
"detect",
"truecolor",
"16m"
],
"dependencies": {
"has-flag": "^4.0.0"
},
"devDependencies": {
"ava": "^1.4.1",
"import-fresh": "^3.0.0",
"xo": "^0.24.0"
},
"browser": "browser.js"
}

76
nodeJS/Learning/01/node_modules/chalk/node_modules/supports-color/readme.md generated vendored
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@ -1,76 +0,0 @@
# supports-color [![Build Status](https://travis-ci.org/chalk/supports-color.svg?branch=master)](https://travis-ci.org/chalk/supports-color)
> Detect whether a terminal supports color
## Install
```
$ npm install supports-color
```
## Usage
```js
const supportsColor = require('supports-color');
if (supportsColor.stdout) {
console.log('Terminal stdout supports color');
}
if (supportsColor.stdout.has256) {
console.log('Terminal stdout supports 256 colors');
}
if (supportsColor.stderr.has16m) {
console.log('Terminal stderr supports 16 million colors (truecolor)');
}
```
## API
Returns an `Object` with a `stdout` and `stderr` property for testing either streams. Each property is an `Object`, or `false` if color is not supported.
The `stdout`/`stderr` objects specifies a level of support for color through a `.level` property and a corresponding flag:
- `.level = 1` and `.hasBasic = true`: Basic color support (16 colors)
- `.level = 2` and `.has256 = true`: 256 color support
- `.level = 3` and `.has16m = true`: Truecolor support (16 million colors)
## Info
It obeys the `--color` and `--no-color` CLI flags.
For situations where using `--color` is not possible, use the environment variable `FORCE_COLOR=1` (level 1), `FORCE_COLOR=2` (level 2), or `FORCE_COLOR=3` (level 3) to forcefully enable color, or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks.
Explicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively.
## Related
- [supports-color-cli](https://github.com/chalk/supports-color-cli) - CLI for this module
- [chalk](https://github.com/chalk/chalk) - Terminal string styling done right
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)
---
<div align="center">
<b>
<a href="https://tidelift.com/subscription/pkg/npm-supports-color?utm_source=npm-supports-color&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
</b>
<br>
<sub>
Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
</sub>
</div>
---

68
nodeJS/Learning/01/node_modules/chalk/package.json generated vendored
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@ -1,68 +0,0 @@
{
"name": "chalk",
"version": "4.1.2",
"description": "Terminal string styling done right",
"license": "MIT",
"repository": "chalk/chalk",
"funding": "https://github.com/chalk/chalk?sponsor=1",
"main": "source",
"engines": {
"node": ">=10"
},
"scripts": {
"test": "xo && nyc ava && tsd",
"bench": "matcha benchmark.js"
},
"files": [
"source",
"index.d.ts"
],
"keywords": [
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"str",
"ansi",
"style",
"styles",
"tty",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"log",
"logging",
"command-line",
"text"
],
"dependencies": {
"ansi-styles": "^4.1.0",
"supports-color": "^7.1.0"
},
"devDependencies": {
"ava": "^2.4.0",
"coveralls": "^3.0.7",
"execa": "^4.0.0",
"import-fresh": "^3.1.0",
"matcha": "^0.7.0",
"nyc": "^15.0.0",
"resolve-from": "^5.0.0",
"tsd": "^0.7.4",
"xo": "^0.28.2"
},
"xo": {
"rules": {
"unicorn/prefer-string-slice": "off",
"unicorn/prefer-includes": "off",
"@typescript-eslint/member-ordering": "off",
"no-redeclare": "off",
"unicorn/string-content": "off",
"unicorn/better-regex": "off"
}
}
}

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@ -1,341 +0,0 @@
<h1 align="center">
<br>
<br>
<img width="320" src="media/logo.svg" alt="Chalk">
<br>
<br>
<br>
</h1>
> Terminal string styling done right
[![Build Status](https://travis-ci.org/chalk/chalk.svg?branch=master)](https://travis-ci.org/chalk/chalk) [![Coverage Status](https://coveralls.io/repos/github/chalk/chalk/badge.svg?branch=master)](https://coveralls.io/github/chalk/chalk?branch=master) [![npm dependents](https://badgen.net/npm/dependents/chalk)](https://www.npmjs.com/package/chalk?activeTab=dependents) [![Downloads](https://badgen.net/npm/dt/chalk)](https://www.npmjs.com/package/chalk) [![](https://img.shields.io/badge/unicorn-approved-ff69b4.svg)](https://www.youtube.com/watch?v=9auOCbH5Ns4) [![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/xojs/xo) ![TypeScript-ready](https://img.shields.io/npm/types/chalk.svg) [![run on repl.it](https://repl.it/badge/github/chalk/chalk)](https://repl.it/github/chalk/chalk)
<img src="https://cdn.jsdelivr.net/gh/chalk/ansi-styles@8261697c95bf34b6c7767e2cbe9941a851d59385/screenshot.svg" width="900">
<br>
---
<div align="center">
<p>
<p>
<sup>
Sindre Sorhus' open source work is supported by the community on <a href="https://github.com/sponsors/sindresorhus">GitHub Sponsors</a> and <a href="https://stakes.social/0x44d871aebF0126Bf646753E2C976Aa7e68A66c15">Dev</a>
</sup>
</p>
<sup>Special thanks to:</sup>
<br>
<br>
<a href="https://standardresume.co/tech">
<img src="https://sindresorhus.com/assets/thanks/standard-resume-logo.svg" width="160"/>
</a>
<br>
<br>
<a href="https://retool.com/?utm_campaign=sindresorhus">
<img src="https://sindresorhus.com/assets/thanks/retool-logo.svg" width="230"/>
</a>
<br>
<br>
<a href="https://doppler.com/?utm_campaign=github_repo&utm_medium=referral&utm_content=chalk&utm_source=github">
<div>
<img src="https://dashboard.doppler.com/imgs/logo-long.svg" width="240" alt="Doppler">
</div>
<b>All your environment variables, in one place</b>
<div>
<span>Stop struggling with scattered API keys, hacking together home-brewed tools,</span>
<br>
<span>and avoiding access controls. Keep your team and servers in sync with Doppler.</span>
</div>
</a>
<br>
<a href="https://uibakery.io/?utm_source=chalk&utm_medium=sponsor&utm_campaign=github">
<div>
<img src="https://sindresorhus.com/assets/thanks/uibakery-logo.jpg" width="270" alt="UI Bakery">
</div>
</a>
</p>
</div>
---
<br>
## Highlights
- Expressive API
- Highly performant
- Ability to nest styles
- [256/Truecolor color support](#256-and-truecolor-color-support)
- Auto-detects color support
- Doesn't extend `String.prototype`
- Clean and focused
- Actively maintained
- [Used by ~50,000 packages](https://www.npmjs.com/browse/depended/chalk) as of January 1, 2020
## Install
```console
$ npm install chalk
```
## Usage
```js
const chalk = require('chalk');
console.log(chalk.blue('Hello world!'));
```
Chalk comes with an easy to use composable API where you just chain and nest the styles you want.
```js
const chalk = require('chalk');
const log = console.log;
// Combine styled and normal strings
log(chalk.blue('Hello') + ' World' + chalk.red('!'));
// Compose multiple styles using the chainable API
log(chalk.blue.bgRed.bold('Hello world!'));
// Pass in multiple arguments
log(chalk.blue('Hello', 'World!', 'Foo', 'bar', 'biz', 'baz'));
// Nest styles
log(chalk.red('Hello', chalk.underline.bgBlue('world') + '!'));
// Nest styles of the same type even (color, underline, background)
log(chalk.green(
'I am a green line ' +
chalk.blue.underline.bold('with a blue substring') +
' that becomes green again!'
));
// ES2015 template literal
log(`
CPU: ${chalk.red('90%')}
RAM: ${chalk.green('40%')}
DISK: ${chalk.yellow('70%')}
`);
// ES2015 tagged template literal
log(chalk`
CPU: {red ${cpu.totalPercent}%}
RAM: {green ${ram.used / ram.total * 100}%}
DISK: {rgb(255,131,0) ${disk.used / disk.total * 100}%}
`);
// Use RGB colors in terminal emulators that support it.
log(chalk.keyword('orange')('Yay for orange colored text!'));
log(chalk.rgb(123, 45, 67).underline('Underlined reddish color'));
log(chalk.hex('#DEADED').bold('Bold gray!'));
```
Easily define your own themes:
```js
const chalk = require('chalk');
const error = chalk.bold.red;
const warning = chalk.keyword('orange');
console.log(error('Error!'));
console.log(warning('Warning!'));
```
Take advantage of console.log [string substitution](https://nodejs.org/docs/latest/api/console.html#console_console_log_data_args):
```js
const name = 'Sindre';
console.log(chalk.green('Hello %s'), name);
//=> 'Hello Sindre'
```
## API
### chalk.`<style>[.<style>...](string, [string...])`
Example: `chalk.red.bold.underline('Hello', 'world');`
Chain [styles](#styles) and call the last one as a method with a string argument. Order doesn't matter, and later styles take precedent in case of a conflict. This simply means that `chalk.red.yellow.green` is equivalent to `chalk.green`.
Multiple arguments will be separated by space.
### chalk.level
Specifies the level of color support.
Color support is automatically detected, but you can override it by setting the `level` property. You should however only do this in your own code as it applies globally to all Chalk consumers.
If you need to change this in a reusable module, create a new instance:
```js
const ctx = new chalk.Instance({level: 0});
```
| Level | Description |
| :---: | :--- |
| `0` | All colors disabled |
| `1` | Basic color support (16 colors) |
| `2` | 256 color support |
| `3` | Truecolor support (16 million colors) |
### chalk.supportsColor
Detect whether the terminal [supports color](https://github.com/chalk/supports-color). Used internally and handled for you, but exposed for convenience.
Can be overridden by the user with the flags `--color` and `--no-color`. For situations where using `--color` is not possible, use the environment variable `FORCE_COLOR=1` (level 1), `FORCE_COLOR=2` (level 2), or `FORCE_COLOR=3` (level 3) to forcefully enable color, or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks.
Explicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively.
### chalk.stderr and chalk.stderr.supportsColor
`chalk.stderr` contains a separate instance configured with color support detected for `stderr` stream instead of `stdout`. Override rules from `chalk.supportsColor` apply to this too. `chalk.stderr.supportsColor` is exposed for convenience.
## Styles
### Modifiers
- `reset` - Resets the current color chain.
- `bold` - Make text bold.
- `dim` - Emitting only a small amount of light.
- `italic` - Make text italic. *(Not widely supported)*
- `underline` - Make text underline. *(Not widely supported)*
- `inverse`- Inverse background and foreground colors.
- `hidden` - Prints the text, but makes it invisible.
- `strikethrough` - Puts a horizontal line through the center of the text. *(Not widely supported)*
- `visible`- Prints the text only when Chalk has a color level > 0. Can be useful for things that are purely cosmetic.
### Colors
- `black`
- `red`
- `green`
- `yellow`
- `blue`
- `magenta`
- `cyan`
- `white`
- `blackBright` (alias: `gray`, `grey`)
- `redBright`
- `greenBright`
- `yellowBright`
- `blueBright`
- `magentaBright`
- `cyanBright`
- `whiteBright`
### Background colors
- `bgBlack`
- `bgRed`
- `bgGreen`
- `bgYellow`
- `bgBlue`
- `bgMagenta`
- `bgCyan`
- `bgWhite`
- `bgBlackBright` (alias: `bgGray`, `bgGrey`)
- `bgRedBright`
- `bgGreenBright`
- `bgYellowBright`
- `bgBlueBright`
- `bgMagentaBright`
- `bgCyanBright`
- `bgWhiteBright`
## Tagged template literal
Chalk can be used as a [tagged template literal](https://exploringjs.com/es6/ch_template-literals.html#_tagged-template-literals).
```js
const chalk = require('chalk');
const miles = 18;
const calculateFeet = miles => miles * 5280;
console.log(chalk`
There are {bold 5280 feet} in a mile.
In {bold ${miles} miles}, there are {green.bold ${calculateFeet(miles)} feet}.
`);
```
Blocks are delimited by an opening curly brace (`{`), a style, some content, and a closing curly brace (`}`).
Template styles are chained exactly like normal Chalk styles. The following three statements are equivalent:
```js
console.log(chalk.bold.rgb(10, 100, 200)('Hello!'));
console.log(chalk.bold.rgb(10, 100, 200)`Hello!`);
console.log(chalk`{bold.rgb(10,100,200) Hello!}`);
```
Note that function styles (`rgb()`, `hsl()`, `keyword()`, etc.) may not contain spaces between parameters.
All interpolated values (`` chalk`${foo}` ``) are converted to strings via the `.toString()` method. All curly braces (`{` and `}`) in interpolated value strings are escaped.
## 256 and Truecolor color support
Chalk supports 256 colors and [Truecolor](https://gist.github.com/XVilka/8346728) (16 million colors) on supported terminal apps.
Colors are downsampled from 16 million RGB values to an ANSI color format that is supported by the terminal emulator (or by specifying `{level: n}` as a Chalk option). For example, Chalk configured to run at level 1 (basic color support) will downsample an RGB value of #FF0000 (red) to 31 (ANSI escape for red).
Examples:
- `chalk.hex('#DEADED').underline('Hello, world!')`
- `chalk.keyword('orange')('Some orange text')`
- `chalk.rgb(15, 100, 204).inverse('Hello!')`
Background versions of these models are prefixed with `bg` and the first level of the module capitalized (e.g. `keyword` for foreground colors and `bgKeyword` for background colors).
- `chalk.bgHex('#DEADED').underline('Hello, world!')`
- `chalk.bgKeyword('orange')('Some orange text')`
- `chalk.bgRgb(15, 100, 204).inverse('Hello!')`
The following color models can be used:
- [`rgb`](https://en.wikipedia.org/wiki/RGB_color_model) - Example: `chalk.rgb(255, 136, 0).bold('Orange!')`
- [`hex`](https://en.wikipedia.org/wiki/Web_colors#Hex_triplet) - Example: `chalk.hex('#FF8800').bold('Orange!')`
- [`keyword`](https://www.w3.org/wiki/CSS/Properties/color/keywords) (CSS keywords) - Example: `chalk.keyword('orange').bold('Orange!')`
- [`hsl`](https://en.wikipedia.org/wiki/HSL_and_HSV) - Example: `chalk.hsl(32, 100, 50).bold('Orange!')`
- [`hsv`](https://en.wikipedia.org/wiki/HSL_and_HSV) - Example: `chalk.hsv(32, 100, 100).bold('Orange!')`
- [`hwb`](https://en.wikipedia.org/wiki/HWB_color_model) - Example: `chalk.hwb(32, 0, 50).bold('Orange!')`
- [`ansi`](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) - Example: `chalk.ansi(31).bgAnsi(93)('red on yellowBright')`
- [`ansi256`](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) - Example: `chalk.bgAnsi256(194)('Honeydew, more or less')`
## Windows
If you're on Windows, do yourself a favor and use [Windows Terminal](https://github.com/microsoft/terminal) instead of `cmd.exe`.
## Origin story
[colors.js](https://github.com/Marak/colors.js) used to be the most popular string styling module, but it has serious deficiencies like extending `String.prototype` which causes all kinds of [problems](https://github.com/yeoman/yo/issues/68) and the package is unmaintained. Although there are other packages, they either do too much or not enough. Chalk is a clean and focused alternative.
## chalk for enterprise
Available as part of the Tidelift Subscription.
The maintainers of chalk and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-chalk?utm_source=npm-chalk&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
## Related
- [chalk-cli](https://github.com/chalk/chalk-cli) - CLI for this module
- [ansi-styles](https://github.com/chalk/ansi-styles) - ANSI escape codes for styling strings in the terminal
- [supports-color](https://github.com/chalk/supports-color) - Detect whether a terminal supports color
- [strip-ansi](https://github.com/chalk/strip-ansi) - Strip ANSI escape codes
- [strip-ansi-stream](https://github.com/chalk/strip-ansi-stream) - Strip ANSI escape codes from a stream
- [has-ansi](https://github.com/chalk/has-ansi) - Check if a string has ANSI escape codes
- [ansi-regex](https://github.com/chalk/ansi-regex) - Regular expression for matching ANSI escape codes
- [wrap-ansi](https://github.com/chalk/wrap-ansi) - Wordwrap a string with ANSI escape codes
- [slice-ansi](https://github.com/chalk/slice-ansi) - Slice a string with ANSI escape codes
- [color-convert](https://github.com/qix-/color-convert) - Converts colors between different models
- [chalk-animation](https://github.com/bokub/chalk-animation) - Animate strings in the terminal
- [gradient-string](https://github.com/bokub/gradient-string) - Apply color gradients to strings
- [chalk-pipe](https://github.com/LitoMore/chalk-pipe) - Create chalk style schemes with simpler style strings
- [terminal-link](https://github.com/sindresorhus/terminal-link) - Create clickable links in the terminal
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)

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'use strict';
const ansiStyles = require('ansi-styles');
const {stdout: stdoutColor, stderr: stderrColor} = require('supports-color');
const {
stringReplaceAll,
stringEncaseCRLFWithFirstIndex
} = require('./util');
const {isArray} = Array;
// `supportsColor.level` → `ansiStyles.color[name]` mapping
const levelMapping = [
'ansi',
'ansi',
'ansi256',
'ansi16m'
];
const styles = Object.create(null);
const applyOptions = (object, options = {}) => {
if (options.level && !(Number.isInteger(options.level) && options.level >= 0 && options.level <= 3)) {
throw new Error('The `level` option should be an integer from 0 to 3');
}
// Detect level if not set manually
const colorLevel = stdoutColor ? stdoutColor.level : 0;
object.level = options.level === undefined ? colorLevel : options.level;
};
class ChalkClass {
constructor(options) {
// eslint-disable-next-line no-constructor-return
return chalkFactory(options);
}
}
const chalkFactory = options => {
const chalk = {};
applyOptions(chalk, options);
chalk.template = (...arguments_) => chalkTag(chalk.template, ...arguments_);
Object.setPrototypeOf(chalk, Chalk.prototype);
Object.setPrototypeOf(chalk.template, chalk);
chalk.template.constructor = () => {
throw new Error('`chalk.constructor()` is deprecated. Use `new chalk.Instance()` instead.');
};
chalk.template.Instance = ChalkClass;
return chalk.template;
};
function Chalk(options) {
return chalkFactory(options);
}
for (const [styleName, style] of Object.entries(ansiStyles)) {
styles[styleName] = {
get() {
const builder = createBuilder(this, createStyler(style.open, style.close, this._styler), this._isEmpty);
Object.defineProperty(this, styleName, {value: builder});
return builder;
}
};
}
styles.visible = {
get() {
const builder = createBuilder(this, this._styler, true);
Object.defineProperty(this, 'visible', {value: builder});
return builder;
}
};
const usedModels = ['rgb', 'hex', 'keyword', 'hsl', 'hsv', 'hwb', 'ansi', 'ansi256'];
for (const model of usedModels) {
styles[model] = {
get() {
const {level} = this;
return function (...arguments_) {
const styler = createStyler(ansiStyles.color[levelMapping[level]][model](...arguments_), ansiStyles.color.close, this._styler);
return createBuilder(this, styler, this._isEmpty);
};
}
};
}
for (const model of usedModels) {
const bgModel = 'bg' + model[0].toUpperCase() + model.slice(1);
styles[bgModel] = {
get() {
const {level} = this;
return function (...arguments_) {
const styler = createStyler(ansiStyles.bgColor[levelMapping[level]][model](...arguments_), ansiStyles.bgColor.close, this._styler);
return createBuilder(this, styler, this._isEmpty);
};
}
};
}
const proto = Object.defineProperties(() => {}, {
...styles,
level: {
enumerable: true,
get() {
return this._generator.level;
},
set(level) {
this._generator.level = level;
}
}
});
const createStyler = (open, close, parent) => {
let openAll;
let closeAll;
if (parent === undefined) {
openAll = open;
closeAll = close;
} else {
openAll = parent.openAll + open;
closeAll = close + parent.closeAll;
}
return {
open,
close,
openAll,
closeAll,
parent
};
};
const createBuilder = (self, _styler, _isEmpty) => {
const builder = (...arguments_) => {
if (isArray(arguments_[0]) && isArray(arguments_[0].raw)) {
// Called as a template literal, for example: chalk.red`2 + 3 = {bold ${2+3}}`
return applyStyle(builder, chalkTag(builder, ...arguments_));
}
// Single argument is hot path, implicit coercion is faster than anything
// eslint-disable-next-line no-implicit-coercion
return applyStyle(builder, (arguments_.length === 1) ? ('' + arguments_[0]) : arguments_.join(' '));
};
// We alter the prototype because we must return a function, but there is
// no way to create a function with a different prototype
Object.setPrototypeOf(builder, proto);
builder._generator = self;
builder._styler = _styler;
builder._isEmpty = _isEmpty;
return builder;
};
const applyStyle = (self, string) => {
if (self.level <= 0 || !string) {
return self._isEmpty ? '' : string;
}
let styler = self._styler;
if (styler === undefined) {
return string;
}
const {openAll, closeAll} = styler;
if (string.indexOf('\u001B') !== -1) {
while (styler !== undefined) {
// Replace any instances already present with a re-opening code
// otherwise only the part of the string until said closing code
// will be colored, and the rest will simply be 'plain'.
string = stringReplaceAll(string, styler.close, styler.open);
styler = styler.parent;
}
}
// We can move both next actions out of loop, because remaining actions in loop won't have
// any/visible effect on parts we add here. Close the styling before a linebreak and reopen
// after next line to fix a bleed issue on macOS: https://github.com/chalk/chalk/pull/92
const lfIndex = string.indexOf('\n');
if (lfIndex !== -1) {
string = stringEncaseCRLFWithFirstIndex(string, closeAll, openAll, lfIndex);
}
return openAll + string + closeAll;
};
let template;
const chalkTag = (chalk, ...strings) => {
const [firstString] = strings;
if (!isArray(firstString) || !isArray(firstString.raw)) {
// If chalk() was called by itself or with a string,
// return the string itself as a string.
return strings.join(' ');
}
const arguments_ = strings.slice(1);
const parts = [firstString.raw[0]];
for (let i = 1; i < firstString.length; i++) {
parts.push(
String(arguments_[i - 1]).replace(/[{}\\]/g, '\\$&'),
String(firstString.raw[i])
);
}
if (template === undefined) {
template = require('./templates');
}
return template(chalk, parts.join(''));
};
Object.defineProperties(Chalk.prototype, styles);
const chalk = Chalk(); // eslint-disable-line new-cap
chalk.supportsColor = stdoutColor;
chalk.stderr = Chalk({level: stderrColor ? stderrColor.level : 0}); // eslint-disable-line new-cap
chalk.stderr.supportsColor = stderrColor;
module.exports = chalk;

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'use strict';
const TEMPLATE_REGEX = /(?:\\(u(?:[a-f\d]{4}|\{[a-f\d]{1,6}\})|x[a-f\d]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*\))?(?:\.\w+(?:\([^)]*\))?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi;
const STYLE_REGEX = /(?:^|\.)(\w+)(?:\(([^)]*)\))?/g;
const STRING_REGEX = /^(['"])((?:\\.|(?!\1)[^\\])*)\1$/;
const ESCAPE_REGEX = /\\(u(?:[a-f\d]{4}|{[a-f\d]{1,6}})|x[a-f\d]{2}|.)|([^\\])/gi;
const ESCAPES = new Map([
['n', '\n'],
['r', '\r'],
['t', '\t'],
['b', '\b'],
['f', '\f'],
['v', '\v'],
['0', '\0'],
['\\', '\\'],
['e', '\u001B'],
['a', '\u0007']
]);
function unescape(c) {
const u = c[0] === 'u';
const bracket = c[1] === '{';
if ((u && !bracket && c.length === 5) || (c[0] === 'x' && c.length === 3)) {
return String.fromCharCode(parseInt(c.slice(1), 16));
}
if (u && bracket) {
return String.fromCodePoint(parseInt(c.slice(2, -1), 16));
}
return ESCAPES.get(c) || c;
}
function parseArguments(name, arguments_) {
const results = [];
const chunks = arguments_.trim().split(/\s*,\s*/g);
let matches;
for (const chunk of chunks) {
const number = Number(chunk);
if (!Number.isNaN(number)) {
results.push(number);
} else if ((matches = chunk.match(STRING_REGEX))) {
results.push(matches[2].replace(ESCAPE_REGEX, (m, escape, character) => escape ? unescape(escape) : character));
} else {
throw new Error(`Invalid Chalk template style argument: ${chunk} (in style '${name}')`);
}
}
return results;
}
function parseStyle(style) {
STYLE_REGEX.lastIndex = 0;
const results = [];
let matches;
while ((matches = STYLE_REGEX.exec(style)) !== null) {
const name = matches[1];
if (matches[2]) {
const args = parseArguments(name, matches[2]);
results.push([name].concat(args));
} else {
results.push([name]);
}
}
return results;
}
function buildStyle(chalk, styles) {
const enabled = {};
for (const layer of styles) {
for (const style of layer.styles) {
enabled[style[0]] = layer.inverse ? null : style.slice(1);
}
}
let current = chalk;
for (const [styleName, styles] of Object.entries(enabled)) {
if (!Array.isArray(styles)) {
continue;
}
if (!(styleName in current)) {
throw new Error(`Unknown Chalk style: ${styleName}`);
}
current = styles.length > 0 ? current[styleName](...styles) : current[styleName];
}
return current;
}
module.exports = (chalk, temporary) => {
const styles = [];
const chunks = [];
let chunk = [];
// eslint-disable-next-line max-params
temporary.replace(TEMPLATE_REGEX, (m, escapeCharacter, inverse, style, close, character) => {
if (escapeCharacter) {
chunk.push(unescape(escapeCharacter));
} else if (style) {
const string = chunk.join('');
chunk = [];
chunks.push(styles.length === 0 ? string : buildStyle(chalk, styles)(string));
styles.push({inverse, styles: parseStyle(style)});
} else if (close) {
if (styles.length === 0) {
throw new Error('Found extraneous } in Chalk template literal');
}
chunks.push(buildStyle(chalk, styles)(chunk.join('')));
chunk = [];
styles.pop();
} else {
chunk.push(character);
}
});
chunks.push(chunk.join(''));
if (styles.length > 0) {
const errMessage = `Chalk template literal is missing ${styles.length} closing bracket${styles.length === 1 ? '' : 's'} (\`}\`)`;
throw new Error(errMessage);
}
return chunks.join('');
};

39
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'use strict';
const stringReplaceAll = (string, substring, replacer) => {
let index = string.indexOf(substring);
if (index === -1) {
return string;
}
const substringLength = substring.length;
let endIndex = 0;
let returnValue = '';
do {
returnValue += string.substr(endIndex, index - endIndex) + substring + replacer;
endIndex = index + substringLength;
index = string.indexOf(substring, endIndex);
} while (index !== -1);
returnValue += string.substr(endIndex);
return returnValue;
};
const stringEncaseCRLFWithFirstIndex = (string, prefix, postfix, index) => {
let endIndex = 0;
let returnValue = '';
do {
const gotCR = string[index - 1] === '\r';
returnValue += string.substr(endIndex, (gotCR ? index - 1 : index) - endIndex) + prefix + (gotCR ? '\r\n' : '\n') + postfix;
endIndex = index + 1;
index = string.indexOf('\n', endIndex);
} while (index !== -1);
returnValue += string.substr(endIndex);
return returnValue;
};
module.exports = {
stringReplaceAll,
stringEncaseCRLFWithFirstIndex
};

21
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@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2012-2019 Paul Miller (https://paulmillr.com), Elan Shanker
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the “Software”), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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# Chokidar [![Weekly downloads](https://img.shields.io/npm/dw/chokidar.svg)](https://github.com/paulmillr/chokidar) [![Yearly downloads](https://img.shields.io/npm/dy/chokidar.svg)](https://github.com/paulmillr/chokidar)
> Minimal and efficient cross-platform file watching library
[![NPM](https://nodei.co/npm/chokidar.png)](https://www.npmjs.com/package/chokidar)
## Why?
Node.js `fs.watch`:
* Doesn't report filenames on MacOS.
* Doesn't report events at all when using editors like Sublime on MacOS.
* Often reports events twice.
* Emits most changes as `rename`.
* Does not provide an easy way to recursively watch file trees.
* Does not support recursive watching on Linux.
Node.js `fs.watchFile`:
* Almost as bad at event handling.
* Also does not provide any recursive watching.
* Results in high CPU utilization.
Chokidar resolves these problems.
Initially made for **[Brunch](https://brunch.io/)** (an ultra-swift web app build tool), it is now used in
[Microsoft's Visual Studio Code](https://github.com/microsoft/vscode),
[gulp](https://github.com/gulpjs/gulp/),
[karma](https://karma-runner.github.io/),
[PM2](https://github.com/Unitech/PM2),
[browserify](http://browserify.org/),
[webpack](https://webpack.github.io/),
[BrowserSync](https://www.browsersync.io/),
and [many others](https://www.npmjs.com/browse/depended/chokidar).
It has proven itself in production environments.
Version 3 is out! Check out our blog post about it: [Chokidar 3: How to save 32TB of traffic every week](https://paulmillr.com/posts/chokidar-3-save-32tb-of-traffic/)
## How?
Chokidar does still rely on the Node.js core `fs` module, but when using
`fs.watch` and `fs.watchFile` for watching, it normalizes the events it
receives, often checking for truth by getting file stats and/or dir contents.
On MacOS, chokidar by default uses a native extension exposing the Darwin
`FSEvents` API. This provides very efficient recursive watching compared with
implementations like `kqueue` available on most \*nix platforms. Chokidar still
does have to do some work to normalize the events received that way as well.
On most other platforms, the `fs.watch`-based implementation is the default, which
avoids polling and keeps CPU usage down. Be advised that chokidar will initiate
watchers recursively for everything within scope of the paths that have been
specified, so be judicious about not wasting system resources by watching much
more than needed.
## Getting started
Install with npm:
```sh
npm install chokidar
```
Then `require` and use it in your code:
```javascript
const chokidar = require('chokidar');
// One-liner for current directory
chokidar.watch('.').on('all', (event, path) => {
console.log(event, path);
});
```
## API
```javascript
// Example of a more typical implementation structure
// Initialize watcher.
const watcher = chokidar.watch('file, dir, glob, or array', {
ignored: /(^|[\/\\])\../, // ignore dotfiles
persistent: true
});
// Something to use when events are received.
const log = console.log.bind(console);
// Add event listeners.
watcher
.on('add', path => log(`File ${path} has been added`))
.on('change', path => log(`File ${path} has been changed`))
.on('unlink', path => log(`File ${path} has been removed`));
// More possible events.
watcher
.on('addDir', path => log(`Directory ${path} has been added`))
.on('unlinkDir', path => log(`Directory ${path} has been removed`))
.on('error', error => log(`Watcher error: ${error}`))
.on('ready', () => log('Initial scan complete. Ready for changes'))
.on('raw', (event, path, details) => { // internal
log('Raw event info:', event, path, details);
});
// 'add', 'addDir' and 'change' events also receive stat() results as second
// argument when available: https://nodejs.org/api/fs.html#fs_class_fs_stats
watcher.on('change', (path, stats) => {
if (stats) console.log(`File ${path} changed size to ${stats.size}`);
});
// Watch new files.
watcher.add('new-file');
watcher.add(['new-file-2', 'new-file-3', '**/other-file*']);
// Get list of actual paths being watched on the filesystem
var watchedPaths = watcher.getWatched();
// Un-watch some files.
await watcher.unwatch('new-file*');
// Stop watching.
// The method is async!
watcher.close().then(() => console.log('closed'));
// Full list of options. See below for descriptions.
// Do not use this example!
chokidar.watch('file', {
persistent: true,
ignored: '*.txt',
ignoreInitial: false,
followSymlinks: true,
cwd: '.',
disableGlobbing: false,
usePolling: false,
interval: 100,
binaryInterval: 300,
alwaysStat: false,
depth: 99,
awaitWriteFinish: {
stabilityThreshold: 2000,
pollInterval: 100
},
ignorePermissionErrors: false,
atomic: true // or a custom 'atomicity delay', in milliseconds (default 100)
});
```
`chokidar.watch(paths, [options])`
* `paths` (string or array of strings). Paths to files, dirs to be watched
recursively, or glob patterns.
- Note: globs must not contain windows separators (`\`),
because that's how they work by the standard —
you'll need to replace them with forward slashes (`/`).
- Note 2: for additional glob documentation, check out low-level
library: [picomatch](https://github.com/micromatch/picomatch).
* `options` (object) Options object as defined below:
#### Persistence
* `persistent` (default: `true`). Indicates whether the process
should continue to run as long as files are being watched. If set to
`false` when using `fsevents` to watch, no more events will be emitted
after `ready`, even if the process continues to run.
#### Path filtering
* `ignored` ([anymatch](https://github.com/es128/anymatch)-compatible definition)
Defines files/paths to be ignored. The whole relative or absolute path is
tested, not just filename. If a function with two arguments is provided, it
gets called twice per path - once with a single argument (the path), second
time with two arguments (the path and the
[`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats)
object of that path).
* `ignoreInitial` (default: `false`). If set to `false` then `add`/`addDir` events are also emitted for matching paths while
instantiating the watching as chokidar discovers these file paths (before the `ready` event).
* `followSymlinks` (default: `true`). When `false`, only the
symlinks themselves will be watched for changes instead of following
the link references and bubbling events through the link's path.
* `cwd` (no default). The base directory from which watch `paths` are to be
derived. Paths emitted with events will be relative to this.
* `disableGlobbing` (default: `false`). If set to `true` then the strings passed to `.watch()` and `.add()` are treated as
literal path names, even if they look like globs.
#### Performance
* `usePolling` (default: `false`).
Whether to use fs.watchFile (backed by polling), or fs.watch. If polling
leads to high CPU utilization, consider setting this to `false`. It is
typically necessary to **set this to `true` to successfully watch files over
a network**, and it may be necessary to successfully watch files in other
non-standard situations. Setting to `true` explicitly on MacOS overrides the
`useFsEvents` default. You may also set the CHOKIDAR_USEPOLLING env variable
to true (1) or false (0) in order to override this option.
* _Polling-specific settings_ (effective when `usePolling: true`)
* `interval` (default: `100`). Interval of file system polling, in milliseconds. You may also
set the CHOKIDAR_INTERVAL env variable to override this option.
* `binaryInterval` (default: `300`). Interval of file system
polling for binary files.
([see list of binary extensions](https://github.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
* `useFsEvents` (default: `true` on MacOS). Whether to use the
`fsevents` watching interface if available. When set to `true` explicitly
and `fsevents` is available this supercedes the `usePolling` setting. When
set to `false` on MacOS, `usePolling: true` becomes the default.
* `alwaysStat` (default: `false`). If relying upon the
[`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats)
object that may get passed with `add`, `addDir`, and `change` events, set
this to `true` to ensure it is provided even in cases where it wasn't
already available from the underlying watch events.
* `depth` (default: `undefined`). If set, limits how many levels of
subdirectories will be traversed.
* `awaitWriteFinish` (default: `false`).
By default, the `add` event will fire when a file first appears on disk, before
the entire file has been written. Furthermore, in some cases some `change`
events will be emitted while the file is being written. In some cases,
especially when watching for large files there will be a need to wait for the
write operation to finish before responding to a file creation or modification.
Setting `awaitWriteFinish` to `true` (or a truthy value) will poll file size,
holding its `add` and `change` events until the size does not change for a
configurable amount of time. The appropriate duration setting is heavily
dependent on the OS and hardware. For accurate detection this parameter should
be relatively high, making file watching much less responsive.
Use with caution.
* *`options.awaitWriteFinish` can be set to an object in order to adjust
timing params:*
* `awaitWriteFinish.stabilityThreshold` (default: 2000). Amount of time in
milliseconds for a file size to remain constant before emitting its event.
* `awaitWriteFinish.pollInterval` (default: 100). File size polling interval, in milliseconds.
#### Errors
* `ignorePermissionErrors` (default: `false`). Indicates whether to watch files
that don't have read permissions if possible. If watching fails due to `EPERM`
or `EACCES` with this set to `true`, the errors will be suppressed silently.
* `atomic` (default: `true` if `useFsEvents` and `usePolling` are `false`).
Automatically filters out artifacts that occur when using editors that use
"atomic writes" instead of writing directly to the source file. If a file is
re-added within 100 ms of being deleted, Chokidar emits a `change` event
rather than `unlink` then `add`. If the default of 100 ms does not work well
for you, you can override it by setting `atomic` to a custom value, in
milliseconds.
### Methods & Events
`chokidar.watch()` produces an instance of `FSWatcher`. Methods of `FSWatcher`:
* `.add(path / paths)`: Add files, directories, or glob patterns for tracking.
Takes an array of strings or just one string.
* `.on(event, callback)`: Listen for an FS event.
Available events: `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `ready`,
`raw`, `error`.
Additionally `all` is available which gets emitted with the underlying event
name and path for every event other than `ready`, `raw`, and `error`. `raw` is internal, use it carefully.
* `.unwatch(path / paths)`: Stop watching files, directories, or glob patterns.
Takes an array of strings or just one string.
* `.close()`: **async** Removes all listeners from watched files. Asynchronous, returns Promise. Use with `await` to ensure bugs don't happen.
* `.getWatched()`: Returns an object representing all the paths on the file
system being watched by this `FSWatcher` instance. The object's keys are all the
directories (using absolute paths unless the `cwd` option was used), and the
values are arrays of the names of the items contained in each directory.
## CLI
If you need a CLI interface for your file watching, check out
[chokidar-cli](https://github.com/open-cli-tools/chokidar-cli), allowing you to
execute a command on each change, or get a stdio stream of change events.
## Install Troubleshooting
* `npm WARN optional dep failed, continuing fsevents@n.n.n`
* This message is normal part of how `npm` handles optional dependencies and is
not indicative of a problem. Even if accompanied by other related error messages,
Chokidar should function properly.
* `TypeError: fsevents is not a constructor`
* Update chokidar by doing `rm -rf node_modules package-lock.json yarn.lock && npm install`, or update your dependency that uses chokidar.
* Chokidar is producing `ENOSP` error on Linux, like this:
* `bash: cannot set terminal process group (-1): Inappropriate ioctl for device bash: no job control in this shell`
`Error: watch /home/ ENOSPC`
* This means Chokidar ran out of file handles and you'll need to increase their count by executing the following command in Terminal:
`echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p`
## Changelog
For more detailed changelog, see [`full_changelog.md`](.github/full_changelog.md).
- **v3.5 (Jan 6, 2021):** Support for ARM Macs with Apple Silicon. Fixes for deleted symlinks.
- **v3.4 (Apr 26, 2020):** Support for directory-based symlinks. Fixes for macos file replacement.
- **v3.3 (Nov 2, 2019):** `FSWatcher#close()` method became async. That fixes IO race conditions related to close method.
- **v3.2 (Oct 1, 2019):** Improve Linux RAM usage by 50%. Race condition fixes. Windows glob fixes. Improve stability by using tight range of dependency versions.
- **v3.1 (Sep 16, 2019):** dotfiles are no longer filtered out by default. Use `ignored` option if needed. Improve initial Linux scan time by 50%.
- **v3 (Apr 30, 2019):** massive CPU & RAM consumption improvements; reduces deps / package size by a factor of 17x and bumps Node.js requirement to v8.16 and higher.
- **v2 (Dec 29, 2017):** Globs are now posix-style-only; without windows support. Tons of bugfixes.
- **v1 (Apr 7, 2015):** Glob support, symlink support, tons of bugfixes. Node 0.8+ is supported
- **v0.1 (Apr 20, 2012):** Initial release, extracted from [Brunch](https://github.com/brunch/brunch/blob/9847a065aea300da99bd0753f90354cde9de1261/src/helpers.coffee#L66)
## Also
Why was chokidar named this way? What's the meaning behind it?
>Chowkidar is a transliteration of a Hindi word meaning 'watchman, gatekeeper', चौकीदार. This ultimately comes from Sanskrit _ चतुष्क_ (crossway, quadrangle, consisting-of-four). This word is also used in other languages like Urdu as (چوکیدار) which is widely used in Pakistan and India.
## License
MIT (c) Paul Miller (<https://paulmillr.com>), see [LICENSE](LICENSE) file.

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nodeJS/Learning/01/node_modules/chokidar/index.js generated vendored
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@ -1,973 +0,0 @@
'use strict';
const { EventEmitter } = require('events');
const fs = require('fs');
const sysPath = require('path');
const { promisify } = require('util');
const readdirp = require('readdirp');
const anymatch = require('anymatch').default;
const globParent = require('glob-parent');
const isGlob = require('is-glob');
const braces = require('braces');
const normalizePath = require('normalize-path');
const NodeFsHandler = require('./lib/nodefs-handler');
const FsEventsHandler = require('./lib/fsevents-handler');
const {
EV_ALL,
EV_READY,
EV_ADD,
EV_CHANGE,
EV_UNLINK,
EV_ADD_DIR,
EV_UNLINK_DIR,
EV_RAW,
EV_ERROR,
STR_CLOSE,
STR_END,
BACK_SLASH_RE,
DOUBLE_SLASH_RE,
SLASH_OR_BACK_SLASH_RE,
DOT_RE,
REPLACER_RE,
SLASH,
SLASH_SLASH,
BRACE_START,
BANG,
ONE_DOT,
TWO_DOTS,
GLOBSTAR,
SLASH_GLOBSTAR,
ANYMATCH_OPTS,
STRING_TYPE,
FUNCTION_TYPE,
EMPTY_STR,
EMPTY_FN,
isWindows,
isMacos,
isIBMi
} = require('./lib/constants');
const stat = promisify(fs.stat);
const readdir = promisify(fs.readdir);
/**
* @typedef {String} Path
* @typedef {'all'|'add'|'addDir'|'change'|'unlink'|'unlinkDir'|'raw'|'error'|'ready'} EventName
* @typedef {'readdir'|'watch'|'add'|'remove'|'change'} ThrottleType
*/
/**
*
* @typedef {Object} WatchHelpers
* @property {Boolean} followSymlinks
* @property {'stat'|'lstat'} statMethod
* @property {Path} path
* @property {Path} watchPath
* @property {Function} entryPath
* @property {Boolean} hasGlob
* @property {Object} globFilter
* @property {Function} filterPath
* @property {Function} filterDir
*/
const arrify = (value = []) => Array.isArray(value) ? value : [value];
const flatten = (list, result = []) => {
list.forEach(item => {
if (Array.isArray(item)) {
flatten(item, result);
} else {
result.push(item);
}
});
return result;
};
const unifyPaths = (paths_) => {
/**
* @type {Array<String>}
*/
const paths = flatten(arrify(paths_));
if (!paths.every(p => typeof p === STRING_TYPE)) {
throw new TypeError(`Non-string provided as watch path: ${paths}`);
}
return paths.map(normalizePathToUnix);
};
// If SLASH_SLASH occurs at the beginning of path, it is not replaced
// because "//StoragePC/DrivePool/Movies" is a valid network path
const toUnix = (string) => {
let str = string.replace(BACK_SLASH_RE, SLASH);
let prepend = false;
if (str.startsWith(SLASH_SLASH)) {
prepend = true;
}
while (str.match(DOUBLE_SLASH_RE)) {
str = str.replace(DOUBLE_SLASH_RE, SLASH);
}
if (prepend) {
str = SLASH + str;
}
return str;
};
// Our version of upath.normalize
// TODO: this is not equal to path-normalize module - investigate why
const normalizePathToUnix = (path) => toUnix(sysPath.normalize(toUnix(path)));
const normalizeIgnored = (cwd = EMPTY_STR) => (path) => {
if (typeof path !== STRING_TYPE) return path;
return normalizePathToUnix(sysPath.isAbsolute(path) ? path : sysPath.join(cwd, path));
};
const getAbsolutePath = (path, cwd) => {
if (sysPath.isAbsolute(path)) {
return path;
}
if (path.startsWith(BANG)) {
return BANG + sysPath.join(cwd, path.slice(1));
}
return sysPath.join(cwd, path);
};
const undef = (opts, key) => opts[key] === undefined;
/**
* Directory entry.
* @property {Path} path
* @property {Set<Path>} items
*/
class DirEntry {
/**
* @param {Path} dir
* @param {Function} removeWatcher
*/
constructor(dir, removeWatcher) {
this.path = dir;
this._removeWatcher = removeWatcher;
/** @type {Set<Path>} */
this.items = new Set();
}
add(item) {
const {items} = this;
if (!items) return;
if (item !== ONE_DOT && item !== TWO_DOTS) items.add(item);
}
async remove(item) {
const {items} = this;
if (!items) return;
items.delete(item);
if (items.size > 0) return;
const dir = this.path;
try {
await readdir(dir);
} catch (err) {
if (this._removeWatcher) {
this._removeWatcher(sysPath.dirname(dir), sysPath.basename(dir));
}
}
}
has(item) {
const {items} = this;
if (!items) return;
return items.has(item);
}
/**
* @returns {Array<String>}
*/
getChildren() {
const {items} = this;
if (!items) return;
return [...items.values()];
}
dispose() {
this.items.clear();
delete this.path;
delete this._removeWatcher;
delete this.items;
Object.freeze(this);
}
}
const STAT_METHOD_F = 'stat';
const STAT_METHOD_L = 'lstat';
class WatchHelper {
constructor(path, watchPath, follow, fsw) {
this.fsw = fsw;
this.path = path = path.replace(REPLACER_RE, EMPTY_STR);
this.watchPath = watchPath;
this.fullWatchPath = sysPath.resolve(watchPath);
this.hasGlob = watchPath !== path;
/** @type {object|boolean} */
if (path === EMPTY_STR) this.hasGlob = false;
this.globSymlink = this.hasGlob && follow ? undefined : false;
this.globFilter = this.hasGlob ? anymatch(path, undefined, ANYMATCH_OPTS) : false;
this.dirParts = this.getDirParts(path);
this.dirParts.forEach((parts) => {
if (parts.length > 1) parts.pop();
});
this.followSymlinks = follow;
this.statMethod = follow ? STAT_METHOD_F : STAT_METHOD_L;
}
checkGlobSymlink(entry) {
// only need to resolve once
// first entry should always have entry.parentDir === EMPTY_STR
if (this.globSymlink === undefined) {
this.globSymlink = entry.fullParentDir === this.fullWatchPath ?
false : {realPath: entry.fullParentDir, linkPath: this.fullWatchPath};
}
if (this.globSymlink) {
return entry.fullPath.replace(this.globSymlink.realPath, this.globSymlink.linkPath);
}
return entry.fullPath;
}
entryPath(entry) {
return sysPath.join(this.watchPath,
sysPath.relative(this.watchPath, this.checkGlobSymlink(entry))
);
}
filterPath(entry) {
const {stats} = entry;
if (stats && stats.isSymbolicLink()) return this.filterDir(entry);
const resolvedPath = this.entryPath(entry);
const matchesGlob = this.hasGlob && typeof this.globFilter === FUNCTION_TYPE ?
this.globFilter(resolvedPath) : true;
return matchesGlob &&
this.fsw._isntIgnored(resolvedPath, stats) &&
this.fsw._hasReadPermissions(stats);
}
getDirParts(path) {
if (!this.hasGlob) return [];
const parts = [];
const expandedPath = path.includes(BRACE_START) ? braces.expand(path) : [path];
expandedPath.forEach((path) => {
parts.push(sysPath.relative(this.watchPath, path).split(SLASH_OR_BACK_SLASH_RE));
});
return parts;
}
filterDir(entry) {
if (this.hasGlob) {
const entryParts = this.getDirParts(this.checkGlobSymlink(entry));
let globstar = false;
this.unmatchedGlob = !this.dirParts.some((parts) => {
return parts.every((part, i) => {
if (part === GLOBSTAR) globstar = true;
return globstar || !entryParts[0][i] || anymatch(part, entryParts[0][i], ANYMATCH_OPTS);
});
});
}
return !this.unmatchedGlob && this.fsw._isntIgnored(this.entryPath(entry), entry.stats);
}
}
/**
* Watches files & directories for changes. Emitted events:
* `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `all`, `error`
*
* new FSWatcher()
* .add(directories)
* .on('add', path => log('File', path, 'was added'))
*/
class FSWatcher extends EventEmitter {
// Not indenting methods for history sake; for now.
constructor(_opts) {
super();
const opts = {};
if (_opts) Object.assign(opts, _opts); // for frozen objects
/** @type {Map<String, DirEntry>} */
this._watched = new Map();
/** @type {Map<String, Array>} */
this._closers = new Map();
/** @type {Set<String>} */
this._ignoredPaths = new Set();
/** @type {Map<ThrottleType, Map>} */
this._throttled = new Map();
/** @type {Map<Path, String|Boolean>} */
this._symlinkPaths = new Map();
this._streams = new Set();
this.closed = false;
// Set up default options.
if (undef(opts, 'persistent')) opts.persistent = true;
if (undef(opts, 'ignoreInitial')) opts.ignoreInitial = false;
if (undef(opts, 'ignorePermissionErrors')) opts.ignorePermissionErrors = false;
if (undef(opts, 'interval')) opts.interval = 100;
if (undef(opts, 'binaryInterval')) opts.binaryInterval = 300;
if (undef(opts, 'disableGlobbing')) opts.disableGlobbing = false;
opts.enableBinaryInterval = opts.binaryInterval !== opts.interval;
// Enable fsevents on OS X when polling isn't explicitly enabled.
if (undef(opts, 'useFsEvents')) opts.useFsEvents = !opts.usePolling;
// If we can't use fsevents, ensure the options reflect it's disabled.
const canUseFsEvents = FsEventsHandler.canUse();
if (!canUseFsEvents) opts.useFsEvents = false;
// Use polling on Mac if not using fsevents.
// Other platforms use non-polling fs_watch.
if (undef(opts, 'usePolling') && !opts.useFsEvents) {
opts.usePolling = isMacos;
}
// Always default to polling on IBM i because fs.watch() is not available on IBM i.
if(isIBMi) {
opts.usePolling = true;
}
// Global override (useful for end-developers that need to force polling for all
// instances of chokidar, regardless of usage/dependency depth)
const envPoll = process.env.CHOKIDAR_USEPOLLING;
if (envPoll !== undefined) {
const envLower = envPoll.toLowerCase();
if (envLower === 'false' || envLower === '0') {
opts.usePolling = false;
} else if (envLower === 'true' || envLower === '1') {
opts.usePolling = true;
} else {
opts.usePolling = !!envLower;
}
}
const envInterval = process.env.CHOKIDAR_INTERVAL;
if (envInterval) {
opts.interval = Number.parseInt(envInterval, 10);
}
// Editor atomic write normalization enabled by default with fs.watch
if (undef(opts, 'atomic')) opts.atomic = !opts.usePolling && !opts.useFsEvents;
if (opts.atomic) this._pendingUnlinks = new Map();
if (undef(opts, 'followSymlinks')) opts.followSymlinks = true;
if (undef(opts, 'awaitWriteFinish')) opts.awaitWriteFinish = false;
if (opts.awaitWriteFinish === true) opts.awaitWriteFinish = {};
const awf = opts.awaitWriteFinish;
if (awf) {
if (!awf.stabilityThreshold) awf.stabilityThreshold = 2000;
if (!awf.pollInterval) awf.pollInterval = 100;
this._pendingWrites = new Map();
}
if (opts.ignored) opts.ignored = arrify(opts.ignored);
let readyCalls = 0;
this._emitReady = () => {
readyCalls++;
if (readyCalls >= this._readyCount) {
this._emitReady = EMPTY_FN;
this._readyEmitted = true;
// use process.nextTick to allow time for listener to be bound
process.nextTick(() => this.emit(EV_READY));
}
};
this._emitRaw = (...args) => this.emit(EV_RAW, ...args);
this._readyEmitted = false;
this.options = opts;
// Initialize with proper watcher.
if (opts.useFsEvents) {
this._fsEventsHandler = new FsEventsHandler(this);
} else {
this._nodeFsHandler = new NodeFsHandler(this);
}
// You’re frozen when your heart’s not open.
Object.freeze(opts);
}
// Public methods
/**
* Adds paths to be watched on an existing FSWatcher instance
* @param {Path|Array<Path>} paths_
* @param {String=} _origAdd private; for handling non-existent paths to be watched
* @param {Boolean=} _internal private; indicates a non-user add
* @returns {FSWatcher} for chaining
*/
add(paths_, _origAdd, _internal) {
const {cwd, disableGlobbing} = this.options;
this.closed = false;
let paths = unifyPaths(paths_);
if (cwd) {
paths = paths.map((path) => {
const absPath = getAbsolutePath(path, cwd);
// Check `path` instead of `absPath` because the cwd portion can't be a glob
if (disableGlobbing || !isGlob(path)) {
return absPath;
}
return normalizePath(absPath);
});
}
// set aside negated glob strings
paths = paths.filter((path) => {
if (path.startsWith(BANG)) {
this._ignoredPaths.add(path.slice(1));
return false;
}
// if a path is being added that was previously ignored, stop ignoring it
this._ignoredPaths.delete(path);
this._ignoredPaths.delete(path + SLASH_GLOBSTAR);
// reset the cached userIgnored anymatch fn
// to make ignoredPaths changes effective
this._userIgnored = undefined;
return true;
});
if (this.options.useFsEvents && this._fsEventsHandler) {
if (!this._readyCount) this._readyCount = paths.length;
if (this.options.persistent) this._readyCount += paths.length;
paths.forEach((path) => this._fsEventsHandler._addToFsEvents(path));
} else {
if (!this._readyCount) this._readyCount = 0;
this._readyCount += paths.length;
Promise.all(
paths.map(async path => {
const res = await this._nodeFsHandler._addToNodeFs(path, !_internal, 0, 0, _origAdd);
if (res) this._emitReady();
return res;
})
).then(results => {
if (this.closed) return;
results.filter(item => item).forEach(item => {
this.add(sysPath.dirname(item), sysPath.basename(_origAdd || item));
});
});
}
return this;
}
/**
* Close watchers or start ignoring events from specified paths.
* @param {Path|Array<Path>} paths_ - string or array of strings, file/directory paths and/or globs
* @returns {FSWatcher} for chaining
*/
unwatch(paths_) {
if (this.closed) return this;
const paths = unifyPaths(paths_);
const {cwd} = this.options;
paths.forEach((path) => {
// convert to absolute path unless relative path already matches
if (!sysPath.isAbsolute(path) && !this._closers.has(path)) {
if (cwd) path = sysPath.join(cwd, path);
path = sysPath.resolve(path);
}
this._closePath(path);
this._ignoredPaths.add(path);
if (this._watched.has(path)) {
this._ignoredPaths.add(path + SLASH_GLOBSTAR);
}
// reset the cached userIgnored anymatch fn
// to make ignoredPaths changes effective
this._userIgnored = undefined;
});
return this;
}
/**
* Close watchers and remove all listeners from watched paths.
* @returns {Promise<void>}.
*/
close() {
if (this.closed) return this._closePromise;
this.closed = true;
// Memory management.
this.removeAllListeners();
const closers = [];
this._closers.forEach(closerList => closerList.forEach(closer => {
const promise = closer();
if (promise instanceof Promise) closers.push(promise);
}));
this._streams.forEach(stream => stream.destroy());
this._userIgnored = undefined;
this._readyCount = 0;
this._readyEmitted = false;
this._watched.forEach(dirent => dirent.dispose());
['closers', 'watched', 'streams', 'symlinkPaths', 'throttled'].forEach(key => {
this[`_${key}`].clear();
});
this._closePromise = closers.length ? Promise.all(closers).then(() => undefined) : Promise.resolve();
return this._closePromise;
}
/**
* Expose list of watched paths
* @returns {Object} for chaining
*/
getWatched() {
const watchList = {};
this._watched.forEach((entry, dir) => {
const key = this.options.cwd ? sysPath.relative(this.options.cwd, dir) : dir;
watchList[key || ONE_DOT] = entry.getChildren().sort();
});
return watchList;
}
emitWithAll(event, args) {
this.emit(...args);
if (event !== EV_ERROR) this.emit(EV_ALL, ...args);
}
// Common helpers
// --------------
/**
* Normalize and emit events.
* Calling _emit DOES NOT MEAN emit() would be called!
* @param {EventName} event Type of event
* @param {Path} path File or directory path
* @param {*=} val1 arguments to be passed with event
* @param {*=} val2
* @param {*=} val3
* @returns the error if defined, otherwise the value of the FSWatcher instance's `closed` flag
*/
async _emit(event, path, val1, val2, val3) {
if (this.closed) return;
const opts = this.options;
if (isWindows) path = sysPath.normalize(path);
if (opts.cwd) path = sysPath.relative(opts.cwd, path);
/** @type Array<any> */
const args = [event, path];
if (val3 !== undefined) args.push(val1, val2, val3);
else if (val2 !== undefined) args.push(val1, val2);
else if (val1 !== undefined) args.push(val1);
const awf = opts.awaitWriteFinish;
let pw;
if (awf && (pw = this._pendingWrites.get(path))) {
pw.lastChange = new Date();
return this;
}
if (opts.atomic) {
if (event === EV_UNLINK) {
this._pendingUnlinks.set(path, args);
setTimeout(() => {
this._pendingUnlinks.forEach((entry, path) => {
this.emit(...entry);
this.emit(EV_ALL, ...entry);
this._pendingUnlinks.delete(path);
});
}, typeof opts.atomic === 'number' ? opts.atomic : 100);
return this;
}
if (event === EV_ADD && this._pendingUnlinks.has(path)) {
event = args[0] = EV_CHANGE;
this._pendingUnlinks.delete(path);
}
}
if (awf && (event === EV_ADD || event === EV_CHANGE) && this._readyEmitted) {
const awfEmit = (err, stats) => {
if (err) {
event = args[0] = EV_ERROR;
args[1] = err;
this.emitWithAll(event, args);
} else if (stats) {
// if stats doesn't exist the file must have been deleted
if (args.length > 2) {
args[2] = stats;
} else {
args.push(stats);
}
this.emitWithAll(event, args);
}
};
this._awaitWriteFinish(path, awf.stabilityThreshold, event, awfEmit);
return this;
}
if (event === EV_CHANGE) {
const isThrottled = !this._throttle(EV_CHANGE, path, 50);
if (isThrottled) return this;
}
if (opts.alwaysStat && val1 === undefined &&
(event === EV_ADD || event === EV_ADD_DIR || event === EV_CHANGE)
) {
const fullPath = opts.cwd ? sysPath.join(opts.cwd, path) : path;
let stats;
try {
stats = await stat(fullPath);
} catch (err) {}
// Suppress event when fs_stat fails, to avoid sending undefined 'stat'
if (!stats || this.closed) return;
args.push(stats);
}
this.emitWithAll(event, args);
return this;
}
/**
* Common handler for errors
* @param {Error} error
* @returns {Error|Boolean} The error if defined, otherwise the value of the FSWatcher instance's `closed` flag
*/
_handleError(error) {
const code = error && error.code;
if (error && code !== 'ENOENT' && code !== 'ENOTDIR' &&
(!this.options.ignorePermissionErrors || (code !== 'EPERM' && code !== 'EACCES'))
) {
this.emit(EV_ERROR, error);
}
return error || this.closed;
}
/**
* Helper utility for throttling
* @param {ThrottleType} actionType type being throttled
* @param {Path} path being acted upon
* @param {Number} timeout duration of time to suppress duplicate actions
* @returns {Object|false} tracking object or false if action should be suppressed
*/
_throttle(actionType, path, timeout) {
if (!this._throttled.has(actionType)) {
this._throttled.set(actionType, new Map());
}
/** @type {Map<Path, Object>} */
const action = this._throttled.get(actionType);
/** @type {Object} */
const actionPath = action.get(path);
if (actionPath) {
actionPath.count++;
return false;
}
let timeoutObject;
const clear = () => {
const item = action.get(path);
const count = item ? item.count : 0;
action.delete(path);
clearTimeout(timeoutObject);
if (item) clearTimeout(item.timeoutObject);
return count;
};
timeoutObject = setTimeout(clear, timeout);
const thr = {timeoutObject, clear, count: 0};
action.set(path, thr);
return thr;
}
_incrReadyCount() {
return this._readyCount++;
}
/**
* Awaits write operation to finish.
* Polls a newly created file for size variations. When files size does not change for 'threshold' milliseconds calls callback.
* @param {Path} path being acted upon
* @param {Number} threshold Time in milliseconds a file size must be fixed before acknowledging write OP is finished
* @param {EventName} event
* @param {Function} awfEmit Callback to be called when ready for event to be emitted.
*/
_awaitWriteFinish(path, threshold, event, awfEmit) {
let timeoutHandler;
let fullPath = path;
if (this.options.cwd && !sysPath.isAbsolute(path)) {
fullPath = sysPath.join(this.options.cwd, path);
}
const now = new Date();
const awaitWriteFinish = (prevStat) => {
fs.stat(fullPath, (err, curStat) => {
if (err || !this._pendingWrites.has(path)) {
if (err && err.code !== 'ENOENT') awfEmit(err);
return;
}
const now = Number(new Date());
if (prevStat && curStat.size !== prevStat.size) {
this._pendingWrites.get(path).lastChange = now;
}
const pw = this._pendingWrites.get(path);
const df = now - pw.lastChange;
if (df >= threshold) {
this._pendingWrites.delete(path);
awfEmit(undefined, curStat);
} else {
timeoutHandler = setTimeout(
awaitWriteFinish,
this.options.awaitWriteFinish.pollInterval,
curStat
);
}
});
};
if (!this._pendingWrites.has(path)) {
this._pendingWrites.set(path, {
lastChange: now,
cancelWait: () => {
this._pendingWrites.delete(path);
clearTimeout(timeoutHandler);
return event;
}
});
timeoutHandler = setTimeout(
awaitWriteFinish,
this.options.awaitWriteFinish.pollInterval
);
}
}
_getGlobIgnored() {
return [...this._ignoredPaths.values()];
}
/**
* Determines whether user has asked to ignore this path.
* @param {Path} path filepath or dir
* @param {fs.Stats=} stats result of fs.stat
* @returns {Boolean}
*/
_isIgnored(path, stats) {
if (this.options.atomic && DOT_RE.test(path)) return true;
if (!this._userIgnored) {
const {cwd} = this.options;
const ign = this.options.ignored;
const ignored = ign && ign.map(normalizeIgnored(cwd));
const paths = arrify(ignored)
.filter((path) => typeof path === STRING_TYPE && !isGlob(path))
.map((path) => path + SLASH_GLOBSTAR);
const list = this._getGlobIgnored().map(normalizeIgnored(cwd)).concat(ignored, paths);
this._userIgnored = anymatch(list, undefined, ANYMATCH_OPTS);
}
return this._userIgnored([path, stats]);
}
_isntIgnored(path, stat) {
return !this._isIgnored(path, stat);
}
/**
* Provides a set of common helpers and properties relating to symlink and glob handling.
* @param {Path} path file, directory, or glob pattern being watched
* @param {Number=} depth at any depth > 0, this isn't a glob
* @returns {WatchHelper} object containing helpers for this path
*/
_getWatchHelpers(path, depth) {
const watchPath = depth || this.options.disableGlobbing || !isGlob(path) ? path : globParent(path);
const follow = this.options.followSymlinks;
return new WatchHelper(path, watchPath, follow, this);
}
// Directory helpers
// -----------------
/**
* Provides directory tracking objects
* @param {String} directory path of the directory
* @returns {DirEntry} the directory's tracking object
*/
_getWatchedDir(directory) {
if (!this._boundRemove) this._boundRemove = this._remove.bind(this);
const dir = sysPath.resolve(directory);
if (!this._watched.has(dir)) this._watched.set(dir, new DirEntry(dir, this._boundRemove));
return this._watched.get(dir);
}
// File helpers
// ------------
/**
* Check for read permissions.
* Based on this answer on SO: https://stackoverflow.com/a/11781404/1358405
* @param {fs.Stats} stats - object, result of fs_stat
* @returns {Boolean} indicates whether the file can be read
*/
_hasReadPermissions(stats) {
if (this.options.ignorePermissionErrors) return true;
// stats.mode may be bigint
const md = stats && Number.parseInt(stats.mode, 10);
const st = md & 0o777;
const it = Number.parseInt(st.toString(8)[0], 10);
return Boolean(4 & it);
}
/**
* Handles emitting unlink events for
* files and directories, and via recursion, for
* files and directories within directories that are unlinked
* @param {String} directory within which the following item is located
* @param {String} item base path of item/directory
* @returns {void}
*/
_remove(directory, item, isDirectory) {
// if what is being deleted is a directory, get that directory's paths
// for recursive deleting and cleaning of watched object
// if it is not a directory, nestedDirectoryChildren will be empty array
const path = sysPath.join(directory, item);
const fullPath = sysPath.resolve(path);
isDirectory = isDirectory != null
? isDirectory
: this._watched.has(path) || this._watched.has(fullPath);
// prevent duplicate handling in case of arriving here nearly simultaneously
// via multiple paths (such as _handleFile and _handleDir)
if (!this._throttle('remove', path, 100)) return;
// if the only watched file is removed, watch for its return
if (!isDirectory && !this.options.useFsEvents && this._watched.size === 1) {
this.add(directory, item, true);
}
// This will create a new entry in the watched object in either case
// so we got to do the directory check beforehand
const wp = this._getWatchedDir(path);
const nestedDirectoryChildren = wp.getChildren();
// Recursively remove children directories / files.
nestedDirectoryChildren.forEach(nested => this._remove(path, nested));
// Check if item was on the watched list and remove it
const parent = this._getWatchedDir(directory);
const wasTracked = parent.has(item);
parent.remove(item);
// Fixes issue #1042 -> Relative paths were detected and added as symlinks
// (https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L612),
// but never removed from the map in case the path was deleted.
// This leads to an incorrect state if the path was recreated:
// https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L553
if (this._symlinkPaths.has(fullPath)) {
this._symlinkPaths.delete(fullPath);
}
// If we wait for this file to be fully written, cancel the wait.
let relPath = path;
if (this.options.cwd) relPath = sysPath.relative(this.options.cwd, path);
if (this.options.awaitWriteFinish && this._pendingWrites.has(relPath)) {
const event = this._pendingWrites.get(relPath).cancelWait();
if (event === EV_ADD) return;
}
// The Entry will either be a directory that just got removed
// or a bogus entry to a file, in either case we have to remove it
this._watched.delete(path);
this._watched.delete(fullPath);
const eventName = isDirectory ? EV_UNLINK_DIR : EV_UNLINK;
if (wasTracked && !this._isIgnored(path)) this._emit(eventName, path);
// Avoid conflicts if we later create another file with the same name
if (!this.options.useFsEvents) {
this._closePath(path);
}
}
/**
* Closes all watchers for a path
* @param {Path} path
*/
_closePath(path) {
this._closeFile(path)
const dir = sysPath.dirname(path);
this._getWatchedDir(dir).remove(sysPath.basename(path));
}
/**
* Closes only file-specific watchers
* @param {Path} path
*/
_closeFile(path) {
const closers = this._closers.get(path);
if (!closers) return;
closers.forEach(closer => closer());
this._closers.delete(path);
}
/**
*
* @param {Path} path
* @param {Function} closer
*/
_addPathCloser(path, closer) {
if (!closer) return;
let list = this._closers.get(path);
if (!list) {
list = [];
this._closers.set(path, list);
}
list.push(closer);
}
_readdirp(root, opts) {
if (this.closed) return;
const options = {type: EV_ALL, alwaysStat: true, lstat: true, ...opts};
let stream = readdirp(root, options);
this._streams.add(stream);
stream.once(STR_CLOSE, () => {
stream = undefined;
});
stream.once(STR_END, () => {
if (stream) {
this._streams.delete(stream);
stream = undefined;
}
});
return stream;
}
}
// Export FSWatcher class
exports.FSWatcher = FSWatcher;
/**
* Instantiates watcher with paths to be tracked.
* @param {String|Array<String>} paths file/directory paths and/or globs
* @param {Object=} options chokidar opts
* @returns an instance of FSWatcher for chaining.
*/
const watch = (paths, options) => {
const watcher = new FSWatcher(options);
watcher.add(paths);
return watcher;
};
exports.watch = watch;

66
nodeJS/Learning/01/node_modules/chokidar/lib/constants.js generated vendored
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@ -1,66 +0,0 @@
'use strict';
const {sep} = require('path');
const {platform} = process;
const os = require('os');
exports.EV_ALL = 'all';
exports.EV_READY = 'ready';
exports.EV_ADD = 'add';
exports.EV_CHANGE = 'change';
exports.EV_ADD_DIR = 'addDir';
exports.EV_UNLINK = 'unlink';
exports.EV_UNLINK_DIR = 'unlinkDir';
exports.EV_RAW = 'raw';
exports.EV_ERROR = 'error';
exports.STR_DATA = 'data';
exports.STR_END = 'end';
exports.STR_CLOSE = 'close';
exports.FSEVENT_CREATED = 'created';
exports.FSEVENT_MODIFIED = 'modified';
exports.FSEVENT_DELETED = 'deleted';
exports.FSEVENT_MOVED = 'moved';
exports.FSEVENT_CLONED = 'cloned';
exports.FSEVENT_UNKNOWN = 'unknown';
exports.FSEVENT_FLAG_MUST_SCAN_SUBDIRS = 1;
exports.FSEVENT_TYPE_FILE = 'file';
exports.FSEVENT_TYPE_DIRECTORY = 'directory';
exports.FSEVENT_TYPE_SYMLINK = 'symlink';
exports.KEY_LISTENERS = 'listeners';
exports.KEY_ERR = 'errHandlers';
exports.KEY_RAW = 'rawEmitters';
exports.HANDLER_KEYS = [exports.KEY_LISTENERS, exports.KEY_ERR, exports.KEY_RAW];
exports.DOT_SLASH = `.${sep}`;
exports.BACK_SLASH_RE = /\\/g;
exports.DOUBLE_SLASH_RE = /\/\//;
exports.SLASH_OR_BACK_SLASH_RE = /[/\\]/;
exports.DOT_RE = /\..*\.(sw[px])$|~$|\.subl.*\.tmp/;
exports.REPLACER_RE = /^\.[/\\]/;
exports.SLASH = '/';
exports.SLASH_SLASH = '//';
exports.BRACE_START = '{';
exports.BANG = '!';
exports.ONE_DOT = '.';
exports.TWO_DOTS = '..';
exports.STAR = '*';
exports.GLOBSTAR = '**';
exports.ROOT_GLOBSTAR = '/**/*';
exports.SLASH_GLOBSTAR = '/**';
exports.DIR_SUFFIX = 'Dir';
exports.ANYMATCH_OPTS = {dot: true};
exports.STRING_TYPE = 'string';
exports.FUNCTION_TYPE = 'function';
exports.EMPTY_STR = '';
exports.EMPTY_FN = () => {};
exports.IDENTITY_FN = val => val;
exports.isWindows = platform === 'win32';
exports.isMacos = platform === 'darwin';
exports.isLinux = platform === 'linux';
exports.isIBMi = os.type() === 'OS400';

526
nodeJS/Learning/01/node_modules/chokidar/lib/fsevents-handler.js generated vendored
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@ -1,526 +0,0 @@
'use strict';
const fs = require('fs');
const sysPath = require('path');
const { promisify } = require('util');
let fsevents;
try {
fsevents = require('fsevents');
} catch (error) {
if (process.env.CHOKIDAR_PRINT_FSEVENTS_REQUIRE_ERROR) console.error(error);
}
if (fsevents) {
// TODO: real check
const mtch = process.version.match(/v(\d+)\.(\d+)/);
if (mtch && mtch[1] && mtch[2]) {
const maj = Number.parseInt(mtch[1], 10);
const min = Number.parseInt(mtch[2], 10);
if (maj === 8 && min < 16) {
fsevents = undefined;
}
}
}
const {
EV_ADD,
EV_CHANGE,
EV_ADD_DIR,
EV_UNLINK,
EV_ERROR,
STR_DATA,
STR_END,
FSEVENT_CREATED,
FSEVENT_MODIFIED,
FSEVENT_DELETED,
FSEVENT_MOVED,
// FSEVENT_CLONED,
FSEVENT_UNKNOWN,
FSEVENT_FLAG_MUST_SCAN_SUBDIRS,
FSEVENT_TYPE_FILE,
FSEVENT_TYPE_DIRECTORY,
FSEVENT_TYPE_SYMLINK,
ROOT_GLOBSTAR,
DIR_SUFFIX,
DOT_SLASH,
FUNCTION_TYPE,
EMPTY_FN,
IDENTITY_FN
} = require('./constants');
const Depth = (value) => isNaN(value) ? {} : {depth: value};
const stat = promisify(fs.stat);
const lstat = promisify(fs.lstat);
const realpath = promisify(fs.realpath);
const statMethods = { stat, lstat };
/**
* @typedef {String} Path
*/
/**
* @typedef {Object} FsEventsWatchContainer
* @property {Set<Function>} listeners
* @property {Function} rawEmitter
* @property {{stop: Function}} watcher
*/
// fsevents instance helper functions
/**
* Object to hold per-process fsevents instances (may be shared across chokidar FSWatcher instances)
* @type {Map<Path,FsEventsWatchContainer>}
*/
const FSEventsWatchers = new Map();
// Threshold of duplicate path prefixes at which to start
// consolidating going forward
const consolidateThreshhold = 10;
const wrongEventFlags = new Set([
69888, 70400, 71424, 72704, 73472, 131328, 131840, 262912
]);
/**
* Instantiates the fsevents interface
* @param {Path} path path to be watched
* @param {Function} callback called when fsevents is bound and ready
* @returns {{stop: Function}} new fsevents instance
*/
const createFSEventsInstance = (path, callback) => {
const stop = fsevents.watch(path, callback);
return {stop};
};
/**
* Instantiates the fsevents interface or binds listeners to an existing one covering
* the same file tree.
* @param {Path} path - to be watched
* @param {Path} realPath - real path for symlinks
* @param {Function} listener - called when fsevents emits events
* @param {Function} rawEmitter - passes data to listeners of the 'raw' event
* @returns {Function} closer
*/
function setFSEventsListener(path, realPath, listener, rawEmitter) {
let watchPath = sysPath.extname(realPath) ? sysPath.dirname(realPath) : realPath;
const parentPath = sysPath.dirname(watchPath);
let cont = FSEventsWatchers.get(watchPath);
// If we've accumulated a substantial number of paths that
// could have been consolidated by watching one directory
// above the current one, create a watcher on the parent
// path instead, so that we do consolidate going forward.
if (couldConsolidate(parentPath)) {
watchPath = parentPath;
}
const resolvedPath = sysPath.resolve(path);
const hasSymlink = resolvedPath !== realPath;
const filteredListener = (fullPath, flags, info) => {
if (hasSymlink) fullPath = fullPath.replace(realPath, resolvedPath);
if (
fullPath === resolvedPath ||
!fullPath.indexOf(resolvedPath + sysPath.sep)
) listener(fullPath, flags, info);
};
// check if there is already a watcher on a parent path
// modifies `watchPath` to the parent path when it finds a match
let watchedParent = false;
for (const watchedPath of FSEventsWatchers.keys()) {
if (realPath.indexOf(sysPath.resolve(watchedPath) + sysPath.sep) === 0) {
watchPath = watchedPath;
cont = FSEventsWatchers.get(watchPath);
watchedParent = true;
break;
}
}
if (cont || watchedParent) {
cont.listeners.add(filteredListener);
} else {
cont = {
listeners: new Set([filteredListener]),
rawEmitter,
watcher: createFSEventsInstance(watchPath, (fullPath, flags) => {
if (!cont.listeners.size) return;
if (flags & FSEVENT_FLAG_MUST_SCAN_SUBDIRS) return;
const info = fsevents.getInfo(fullPath, flags);
cont.listeners.forEach(list => {
list(fullPath, flags, info);
});
cont.rawEmitter(info.event, fullPath, info);
})
};
FSEventsWatchers.set(watchPath, cont);
}
// removes this instance's listeners and closes the underlying fsevents
// instance if there are no more listeners left
return () => {
const lst = cont.listeners;
lst.delete(filteredListener);
if (!lst.size) {
FSEventsWatchers.delete(watchPath);
if (cont.watcher) return cont.watcher.stop().then(() => {
cont.rawEmitter = cont.watcher = undefined;
Object.freeze(cont);
});
}
};
}
// Decide whether or not we should start a new higher-level
// parent watcher
const couldConsolidate = (path) => {
let count = 0;
for (const watchPath of FSEventsWatchers.keys()) {
if (watchPath.indexOf(path) === 0) {
count++;
if (count >= consolidateThreshhold) {
return true;
}
}
}
return false;
};
// returns boolean indicating whether fsevents can be used
const canUse = () => fsevents && FSEventsWatchers.size < 128;
// determines subdirectory traversal levels from root to path
const calcDepth = (path, root) => {
let i = 0;
while (!path.indexOf(root) && (path = sysPath.dirname(path)) !== root) i++;
return i;
};
// returns boolean indicating whether the fsevents' event info has the same type
// as the one returned by fs.stat
const sameTypes = (info, stats) => (
info.type === FSEVENT_TYPE_DIRECTORY && stats.isDirectory() ||
info.type === FSEVENT_TYPE_SYMLINK && stats.isSymbolicLink() ||
info.type === FSEVENT_TYPE_FILE && stats.isFile()
)
/**
* @mixin
*/
class FsEventsHandler {
/**
* @param {import('../index').FSWatcher} fsw
*/
constructor(fsw) {
this.fsw = fsw;
}
checkIgnored(path, stats) {
const ipaths = this.fsw._ignoredPaths;
if (this.fsw._isIgnored(path, stats)) {
ipaths.add(path);
if (stats && stats.isDirectory()) {
ipaths.add(path + ROOT_GLOBSTAR);
}
return true;
}
ipaths.delete(path);
ipaths.delete(path + ROOT_GLOBSTAR);
}
addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
const event = watchedDir.has(item) ? EV_CHANGE : EV_ADD;
this.handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
async checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
try {
const stats = await stat(path)
if (this.fsw.closed) return;
if (sameTypes(info, stats)) {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} catch (error) {
if (error.code === 'EACCES') {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
}
}
handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts) {
if (this.fsw.closed || this.checkIgnored(path)) return;
if (event === EV_UNLINK) {
const isDirectory = info.type === FSEVENT_TYPE_DIRECTORY
// suppress unlink events on never before seen files
if (isDirectory || watchedDir.has(item)) {
this.fsw._remove(parent, item, isDirectory);
}
} else {
if (event === EV_ADD) {
// track new directories
if (info.type === FSEVENT_TYPE_DIRECTORY) this.fsw._getWatchedDir(path);
if (info.type === FSEVENT_TYPE_SYMLINK && opts.followSymlinks) {
// push symlinks back to the top of the stack to get handled
const curDepth = opts.depth === undefined ?
undefined : calcDepth(fullPath, realPath) + 1;
return this._addToFsEvents(path, false, true, curDepth);
}
// track new paths
// (other than symlinks being followed, which will be tracked soon)
this.fsw._getWatchedDir(parent).add(item);
}
/**
* @type {'add'|'addDir'|'unlink'|'unlinkDir'}
*/
const eventName = info.type === FSEVENT_TYPE_DIRECTORY ? event + DIR_SUFFIX : event;
this.fsw._emit(eventName, path);
if (eventName === EV_ADD_DIR) this._addToFsEvents(path, false, true);
}
}
/**
* Handle symlinks encountered during directory scan
* @param {String} watchPath - file/dir path to be watched with fsevents
* @param {String} realPath - real path (in case of symlinks)
* @param {Function} transform - path transformer
* @param {Function} globFilter - path filter in case a glob pattern was provided
* @returns {Function} closer for the watcher instance
*/
_watchWithFsEvents(watchPath, realPath, transform, globFilter) {
if (this.fsw.closed || this.fsw._isIgnored(watchPath)) return;
const opts = this.fsw.options;
const watchCallback = async (fullPath, flags, info) => {
if (this.fsw.closed) return;
if (
opts.depth !== undefined &&
calcDepth(fullPath, realPath) > opts.depth
) return;
const path = transform(sysPath.join(
watchPath, sysPath.relative(watchPath, fullPath)
));
if (globFilter && !globFilter(path)) return;
// ensure directories are tracked
const parent = sysPath.dirname(path);
const item = sysPath.basename(path);
const watchedDir = this.fsw._getWatchedDir(
info.type === FSEVENT_TYPE_DIRECTORY ? path : parent
);
// correct for wrong events emitted
if (wrongEventFlags.has(flags) || info.event === FSEVENT_UNKNOWN) {
if (typeof opts.ignored === FUNCTION_TYPE) {
let stats;
try {
stats = await stat(path);
} catch (error) {}
if (this.fsw.closed) return;
if (this.checkIgnored(path, stats)) return;
if (sameTypes(info, stats)) {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} else {
this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} else {
switch (info.event) {
case FSEVENT_CREATED:
case FSEVENT_MODIFIED:
return this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
case FSEVENT_DELETED:
case FSEVENT_MOVED:
return this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
}
};
const closer = setFSEventsListener(
watchPath,
realPath,
watchCallback,
this.fsw._emitRaw
);
this.fsw._emitReady();
return closer;
}
/**
* Handle symlinks encountered during directory scan
* @param {String} linkPath path to symlink
* @param {String} fullPath absolute path to the symlink
* @param {Function} transform pre-existing path transformer
* @param {Number} curDepth level of subdirectories traversed to where symlink is
* @returns {Promise<void>}
*/
async _handleFsEventsSymlink(linkPath, fullPath, transform, curDepth) {
// don't follow the same symlink more than once
if (this.fsw.closed || this.fsw._symlinkPaths.has(fullPath)) return;
this.fsw._symlinkPaths.set(fullPath, true);
this.fsw._incrReadyCount();
try {
const linkTarget = await realpath(linkPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(linkTarget)) {
return this.fsw._emitReady();
}
this.fsw._incrReadyCount();
// add the linkTarget for watching with a wrapper for transform
// that causes emitted paths to incorporate the link's path
this._addToFsEvents(linkTarget || linkPath, (path) => {
let aliasedPath = linkPath;
if (linkTarget && linkTarget !== DOT_SLASH) {
aliasedPath = path.replace(linkTarget, linkPath);
} else if (path !== DOT_SLASH) {
aliasedPath = sysPath.join(linkPath, path);
}
return transform(aliasedPath);
}, false, curDepth);
} catch(error) {
if (this.fsw._handleError(error)) {
return this.fsw._emitReady();
}
}
}
/**
*
* @param {Path} newPath
* @param {fs.Stats} stats
*/
emitAdd(newPath, stats, processPath, opts, forceAdd) {
const pp = processPath(newPath);
const isDir = stats.isDirectory();
const dirObj = this.fsw._getWatchedDir(sysPath.dirname(pp));
const base = sysPath.basename(pp);
// ensure empty dirs get tracked
if (isDir) this.fsw._getWatchedDir(pp);
if (dirObj.has(base)) return;
dirObj.add(base);
if (!opts.ignoreInitial || forceAdd === true) {
this.fsw._emit(isDir ? EV_ADD_DIR : EV_ADD, pp, stats);
}
}
initWatch(realPath, path, wh, processPath) {
if (this.fsw.closed) return;
const closer = this._watchWithFsEvents(
wh.watchPath,
sysPath.resolve(realPath || wh.watchPath),
processPath,
wh.globFilter
);
this.fsw._addPathCloser(path, closer);
}
/**
* Handle added path with fsevents
* @param {String} path file/dir path or glob pattern
* @param {Function|Boolean=} transform converts working path to what the user expects
* @param {Boolean=} forceAdd ensure add is emitted
* @param {Number=} priorDepth Level of subdirectories already traversed.
* @returns {Promise<void>}
*/
async _addToFsEvents(path, transform, forceAdd, priorDepth) {
if (this.fsw.closed) {
return;
}
const opts = this.fsw.options;
const processPath = typeof transform === FUNCTION_TYPE ? transform : IDENTITY_FN;
const wh = this.fsw._getWatchHelpers(path);
// evaluate what is at the path we're being asked to watch
try {
const stats = await statMethods[wh.statMethod](wh.watchPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(wh.watchPath, stats)) {
throw null;
}
if (stats.isDirectory()) {
// emit addDir unless this is a glob parent
if (!wh.globFilter) this.emitAdd(processPath(path), stats, processPath, opts, forceAdd);
// don't recurse further if it would exceed depth setting
if (priorDepth && priorDepth > opts.depth) return;
// scan the contents of the dir
this.fsw._readdirp(wh.watchPath, {
fileFilter: entry => wh.filterPath(entry),
directoryFilter: entry => wh.filterDir(entry),
...Depth(opts.depth - (priorDepth || 0))
}).on(STR_DATA, (entry) => {
// need to check filterPath on dirs b/c filterDir is less restrictive
if (this.fsw.closed) {
return;
}
if (entry.stats.isDirectory() && !wh.filterPath(entry)) return;
const joinedPath = sysPath.join(wh.watchPath, entry.path);
const {fullPath} = entry;
if (wh.followSymlinks && entry.stats.isSymbolicLink()) {
// preserve the current depth here since it can't be derived from
// real paths past the symlink
const curDepth = opts.depth === undefined ?
undefined : calcDepth(joinedPath, sysPath.resolve(wh.watchPath)) + 1;
this._handleFsEventsSymlink(joinedPath, fullPath, processPath, curDepth);
} else {
this.emitAdd(joinedPath, entry.stats, processPath, opts, forceAdd);
}
}).on(EV_ERROR, EMPTY_FN).on(STR_END, () => {
this.fsw._emitReady();
});
} else {
this.emitAdd(wh.watchPath, stats, processPath, opts, forceAdd);
this.fsw._emitReady();
}
} catch (error) {
if (!error || this.fsw._handleError(error)) {
// TODO: Strange thing: "should not choke on an ignored watch path" will be failed without 2 ready calls -__-
this.fsw._emitReady();
this.fsw._emitReady();
}
}
if (opts.persistent && forceAdd !== true) {
if (typeof transform === FUNCTION_TYPE) {
// realpath has already been resolved
this.initWatch(undefined, path, wh, processPath);
} else {
let realPath;
try {
realPath = await realpath(wh.watchPath);
} catch (e) {}
this.initWatch(realPath, path, wh, processPath);
}
}
}
}
module.exports = FsEventsHandler;
module.exports.canUse = canUse;

654
nodeJS/Learning/01/node_modules/chokidar/lib/nodefs-handler.js generated vendored
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@ -1,654 +0,0 @@
'use strict';
const fs = require('fs');
const sysPath = require('path');
const { promisify } = require('util');
const isBinaryPath = require('is-binary-path');
const {
isWindows,
isLinux,
EMPTY_FN,
EMPTY_STR,
KEY_LISTENERS,
KEY_ERR,
KEY_RAW,
HANDLER_KEYS,
EV_CHANGE,
EV_ADD,
EV_ADD_DIR,
EV_ERROR,
STR_DATA,
STR_END,
BRACE_START,
STAR
} = require('./constants');
const THROTTLE_MODE_WATCH = 'watch';
const open = promisify(fs.open);
const stat = promisify(fs.stat);
const lstat = promisify(fs.lstat);
const close = promisify(fs.close);
const fsrealpath = promisify(fs.realpath);
const statMethods = { lstat, stat };
// TODO: emit errors properly. Example: EMFILE on Macos.
const foreach = (val, fn) => {
if (val instanceof Set) {
val.forEach(fn);
} else {
fn(val);
}
};
const addAndConvert = (main, prop, item) => {
let container = main[prop];
if (!(container instanceof Set)) {
main[prop] = container = new Set([container]);
}
container.add(item);
};
const clearItem = cont => key => {
const set = cont[key];
if (set instanceof Set) {
set.clear();
} else {
delete cont[key];
}
};
const delFromSet = (main, prop, item) => {
const container = main[prop];
if (container instanceof Set) {
container.delete(item);
} else if (container === item) {
delete main[prop];
}
};
const isEmptySet = (val) => val instanceof Set ? val.size === 0 : !val;
/**
* @typedef {String} Path
*/
// fs_watch helpers
// object to hold per-process fs_watch instances
// (may be shared across chokidar FSWatcher instances)
/**
* @typedef {Object} FsWatchContainer
* @property {Set} listeners
* @property {Set} errHandlers
* @property {Set} rawEmitters
* @property {fs.FSWatcher=} watcher
* @property {Boolean=} watcherUnusable
*/
/**
* @type {Map<String,FsWatchContainer>}
*/
const FsWatchInstances = new Map();
/**
* Instantiates the fs_watch interface
* @param {String} path to be watched
* @param {Object} options to be passed to fs_watch
* @param {Function} listener main event handler
* @param {Function} errHandler emits info about errors
* @param {Function} emitRaw emits raw event data
* @returns {fs.FSWatcher} new fsevents instance
*/
function createFsWatchInstance(path, options, listener, errHandler, emitRaw) {
const handleEvent = (rawEvent, evPath) => {
listener(path);
emitRaw(rawEvent, evPath, {watchedPath: path});
// emit based on events occurring for files from a directory's watcher in
// case the file's watcher misses it (and rely on throttling to de-dupe)
if (evPath && path !== evPath) {
fsWatchBroadcast(
sysPath.resolve(path, evPath), KEY_LISTENERS, sysPath.join(path, evPath)
);
}
};
try {
return fs.watch(path, options, handleEvent);
} catch (error) {
errHandler(error);
}
}
/**
* Helper for passing fs_watch event data to a collection of listeners
* @param {Path} fullPath absolute path bound to fs_watch instance
* @param {String} type listener type
* @param {*=} val1 arguments to be passed to listeners
* @param {*=} val2
* @param {*=} val3
*/
const fsWatchBroadcast = (fullPath, type, val1, val2, val3) => {
const cont = FsWatchInstances.get(fullPath);
if (!cont) return;
foreach(cont[type], (listener) => {
listener(val1, val2, val3);
});
};
/**
* Instantiates the fs_watch interface or binds listeners
* to an existing one covering the same file system entry
* @param {String} path
* @param {String} fullPath absolute path
* @param {Object} options to be passed to fs_watch
* @param {Object} handlers container for event listener functions
*/
const setFsWatchListener = (path, fullPath, options, handlers) => {
const {listener, errHandler, rawEmitter} = handlers;
let cont = FsWatchInstances.get(fullPath);
/** @type {fs.FSWatcher=} */
let watcher;
if (!options.persistent) {
watcher = createFsWatchInstance(
path, options, listener, errHandler, rawEmitter
);
return watcher.close.bind(watcher);
}
if (cont) {
addAndConvert(cont, KEY_LISTENERS, listener);
addAndConvert(cont, KEY_ERR, errHandler);
addAndConvert(cont, KEY_RAW, rawEmitter);
} else {
watcher = createFsWatchInstance(
path,
options,
fsWatchBroadcast.bind(null, fullPath, KEY_LISTENERS),
errHandler, // no need to use broadcast here
fsWatchBroadcast.bind(null, fullPath, KEY_RAW)
);
if (!watcher) return;
watcher.on(EV_ERROR, async (error) => {
const broadcastErr = fsWatchBroadcast.bind(null, fullPath, KEY_ERR);
cont.watcherUnusable = true; // documented since Node 10.4.1
// Workaround for https://github.com/joyent/node/issues/4337
if (isWindows && error.code === 'EPERM') {
try {
const fd = await open(path, 'r');
await close(fd);
broadcastErr(error);
} catch (err) {}
} else {
broadcastErr(error);
}
});
cont = {
listeners: listener,
errHandlers: errHandler,
rawEmitters: rawEmitter,
watcher
};
FsWatchInstances.set(fullPath, cont);
}
// const index = cont.listeners.indexOf(listener);
// removes this instance's listeners and closes the underlying fs_watch
// instance if there are no more listeners left
return () => {
delFromSet(cont, KEY_LISTENERS, listener);
delFromSet(cont, KEY_ERR, errHandler);
delFromSet(cont, KEY_RAW, rawEmitter);
if (isEmptySet(cont.listeners)) {
// Check to protect against issue gh-730.
// if (cont.watcherUnusable) {
cont.watcher.close();
// }
FsWatchInstances.delete(fullPath);
HANDLER_KEYS.forEach(clearItem(cont));
cont.watcher = undefined;
Object.freeze(cont);
}
};
};
// fs_watchFile helpers
// object to hold per-process fs_watchFile instances
// (may be shared across chokidar FSWatcher instances)
const FsWatchFileInstances = new Map();
/**
* Instantiates the fs_watchFile interface or binds listeners
* to an existing one covering the same file system entry
* @param {String} path to be watched
* @param {String} fullPath absolute path
* @param {Object} options options to be passed to fs_watchFile
* @param {Object} handlers container for event listener functions
* @returns {Function} closer
*/
const setFsWatchFileListener = (path, fullPath, options, handlers) => {
const {listener, rawEmitter} = handlers;
let cont = FsWatchFileInstances.get(fullPath);
/* eslint-disable no-unused-vars, prefer-destructuring */
let listeners = new Set();
let rawEmitters = new Set();
const copts = cont && cont.options;
if (copts && (copts.persistent < options.persistent || copts.interval > options.interval)) {
// "Upgrade" the watcher to persistence or a quicker interval.
// This creates some unlikely edge case issues if the user mixes
// settings in a very weird way, but solving for those cases
// doesn't seem worthwhile for the added complexity.
listeners = cont.listeners;
rawEmitters = cont.rawEmitters;
fs.unwatchFile(fullPath);
cont = undefined;
}
/* eslint-enable no-unused-vars, prefer-destructuring */
if (cont) {
addAndConvert(cont, KEY_LISTENERS, listener);
addAndConvert(cont, KEY_RAW, rawEmitter);
} else {
// TODO
// listeners.add(listener);
// rawEmitters.add(rawEmitter);
cont = {
listeners: listener,
rawEmitters: rawEmitter,
options,
watcher: fs.watchFile(fullPath, options, (curr, prev) => {
foreach(cont.rawEmitters, (rawEmitter) => {
rawEmitter(EV_CHANGE, fullPath, {curr, prev});
});
const currmtime = curr.mtimeMs;
if (curr.size !== prev.size || currmtime > prev.mtimeMs || currmtime === 0) {
foreach(cont.listeners, (listener) => listener(path, curr));
}
})
};
FsWatchFileInstances.set(fullPath, cont);
}
// const index = cont.listeners.indexOf(listener);
// Removes this instance's listeners and closes the underlying fs_watchFile
// instance if there are no more listeners left.
return () => {
delFromSet(cont, KEY_LISTENERS, listener);
delFromSet(cont, KEY_RAW, rawEmitter);
if (isEmptySet(cont.listeners)) {
FsWatchFileInstances.delete(fullPath);
fs.unwatchFile(fullPath);
cont.options = cont.watcher = undefined;
Object.freeze(cont);
}
};
};
/**
* @mixin
*/
class NodeFsHandler {
/**
* @param {import("../index").FSWatcher} fsW
*/
constructor(fsW) {
this.fsw = fsW;
this._boundHandleError = (error) => fsW._handleError(error);
}
/**
* Watch file for changes with fs_watchFile or fs_watch.
* @param {String} path to file or dir
* @param {Function} listener on fs change
* @returns {Function} closer for the watcher instance
*/
_watchWithNodeFs(path, listener) {
const opts = this.fsw.options;
const directory = sysPath.dirname(path);
const basename = sysPath.basename(path);
const parent = this.fsw._getWatchedDir(directory);
parent.add(basename);
const absolutePath = sysPath.resolve(path);
const options = {persistent: opts.persistent};
if (!listener) listener = EMPTY_FN;
let closer;
if (opts.usePolling) {
options.interval = opts.enableBinaryInterval && isBinaryPath(basename) ?
opts.binaryInterval : opts.interval;
closer = setFsWatchFileListener(path, absolutePath, options, {
listener,
rawEmitter: this.fsw._emitRaw
});
} else {
closer = setFsWatchListener(path, absolutePath, options, {
listener,
errHandler: this._boundHandleError,
rawEmitter: this.fsw._emitRaw
});
}
return closer;
}
/**
* Watch a file and emit add event if warranted.
* @param {Path} file Path
* @param {fs.Stats} stats result of fs_stat
* @param {Boolean} initialAdd was the file added at watch instantiation?
* @returns {Function} closer for the watcher instance
*/
_handleFile(file, stats, initialAdd) {
if (this.fsw.closed) {
return;
}
const dirname = sysPath.dirname(file);
const basename = sysPath.basename(file);
const parent = this.fsw._getWatchedDir(dirname);
// stats is always present
let prevStats = stats;
// if the file is already being watched, do nothing
if (parent.has(basename)) return;
const listener = async (path, newStats) => {
if (!this.fsw._throttle(THROTTLE_MODE_WATCH, file, 5)) return;
if (!newStats || newStats.mtimeMs === 0) {
try {
const newStats = await stat(file);
if (this.fsw.closed) return;
// Check that change event was not fired because of changed only accessTime.
const at = newStats.atimeMs;
const mt = newStats.mtimeMs;
if (!at || at <= mt || mt !== prevStats.mtimeMs) {
this.fsw._emit(EV_CHANGE, file, newStats);
}
if (isLinux && prevStats.ino !== newStats.ino) {
this.fsw._closeFile(path)
prevStats = newStats;
this.fsw._addPathCloser(path, this._watchWithNodeFs(file, listener));
} else {
prevStats = newStats;
}
} catch (error) {
// Fix issues where mtime is null but file is still present
this.fsw._remove(dirname, basename);
}
// add is about to be emitted if file not already tracked in parent
} else if (parent.has(basename)) {
// Check that change event was not fired because of changed only accessTime.
const at = newStats.atimeMs;
const mt = newStats.mtimeMs;
if (!at || at <= mt || mt !== prevStats.mtimeMs) {
this.fsw._emit(EV_CHANGE, file, newStats);
}
prevStats = newStats;
}
}
// kick off the watcher
const closer = this._watchWithNodeFs(file, listener);
// emit an add event if we're supposed to
if (!(initialAdd && this.fsw.options.ignoreInitial) && this.fsw._isntIgnored(file)) {
if (!this.fsw._throttle(EV_ADD, file, 0)) return;
this.fsw._emit(EV_ADD, file, stats);
}
return closer;
}
/**
* Handle symlinks encountered while reading a dir.
* @param {Object} entry returned by readdirp
* @param {String} directory path of dir being read
* @param {String} path of this item
* @param {String} item basename of this item
* @returns {Promise<Boolean>} true if no more processing is needed for this entry.
*/
async _handleSymlink(entry, directory, path, item) {
if (this.fsw.closed) {
return;
}
const full = entry.fullPath;
const dir = this.fsw._getWatchedDir(directory);
if (!this.fsw.options.followSymlinks) {
// watch symlink directly (don't follow) and detect changes
this.fsw._incrReadyCount();
let linkPath;
try {
linkPath = await fsrealpath(path);
} catch (e) {
this.fsw._emitReady();
return true;
}
if (this.fsw.closed) return;
if (dir.has(item)) {
if (this.fsw._symlinkPaths.get(full) !== linkPath) {
this.fsw._symlinkPaths.set(full, linkPath);
this.fsw._emit(EV_CHANGE, path, entry.stats);
}
} else {
dir.add(item);
this.fsw._symlinkPaths.set(full, linkPath);
this.fsw._emit(EV_ADD, path, entry.stats);
}
this.fsw._emitReady();
return true;
}
// don't follow the same symlink more than once
if (this.fsw._symlinkPaths.has(full)) {
return true;
}
this.fsw._symlinkPaths.set(full, true);
}
_handleRead(directory, initialAdd, wh, target, dir, depth, throttler) {
// Normalize the directory name on Windows
directory = sysPath.join(directory, EMPTY_STR);
if (!wh.hasGlob) {
throttler = this.fsw._throttle('readdir', directory, 1000);
if (!throttler) return;
}
const previous = this.fsw._getWatchedDir(wh.path);
const current = new Set();
let stream = this.fsw._readdirp(directory, {
fileFilter: entry => wh.filterPath(entry),
directoryFilter: entry => wh.filterDir(entry),
depth: 0
}).on(STR_DATA, async (entry) => {
if (this.fsw.closed) {
stream = undefined;
return;
}
const item = entry.path;
let path = sysPath.join(directory, item);
current.add(item);
if (entry.stats.isSymbolicLink() && await this._handleSymlink(entry, directory, path, item)) {
return;
}
if (this.fsw.closed) {
stream = undefined;
return;
}
// Files that present in current directory snapshot
// but absent in previous are added to watch list and
// emit `add` event.
if (item === target || !target && !previous.has(item)) {
this.fsw._incrReadyCount();
// ensure relativeness of path is preserved in case of watcher reuse
path = sysPath.join(dir, sysPath.relative(dir, path));
this._addToNodeFs(path, initialAdd, wh, depth + 1);
}
}).on(EV_ERROR, this._boundHandleError);
return new Promise(resolve =>
stream.once(STR_END, () => {
if (this.fsw.closed) {
stream = undefined;
return;
}
const wasThrottled = throttler ? throttler.clear() : false;
resolve();
// Files that absent in current directory snapshot
// but present in previous emit `remove` event
// and are removed from @watched[directory].
previous.getChildren().filter((item) => {
return item !== directory &&
!current.has(item) &&
// in case of intersecting globs;
// a path may have been filtered out of this readdir, but
// shouldn't be removed because it matches a different glob
(!wh.hasGlob || wh.filterPath({
fullPath: sysPath.resolve(directory, item)
}));
}).forEach((item) => {
this.fsw._remove(directory, item);
});
stream = undefined;
// one more time for any missed in case changes came in extremely quickly
if (wasThrottled) this._handleRead(directory, false, wh, target, dir, depth, throttler);
})
);
}
/**
* Read directory to add / remove files from `@watched` list and re-read it on change.
* @param {String} dir fs path
* @param {fs.Stats} stats
* @param {Boolean} initialAdd
* @param {Number} depth relative to user-supplied path
* @param {String} target child path targeted for watch
* @param {Object} wh Common watch helpers for this path
* @param {String} realpath
* @returns {Promise<Function>} closer for the watcher instance.
*/
async _handleDir(dir, stats, initialAdd, depth, target, wh, realpath) {
const parentDir = this.fsw._getWatchedDir(sysPath.dirname(dir));
const tracked = parentDir.has(sysPath.basename(dir));
if (!(initialAdd && this.fsw.options.ignoreInitial) && !target && !tracked) {
if (!wh.hasGlob || wh.globFilter(dir)) this.fsw._emit(EV_ADD_DIR, dir, stats);
}
// ensure dir is tracked (harmless if redundant)
parentDir.add(sysPath.basename(dir));
this.fsw._getWatchedDir(dir);
let throttler;
let closer;
const oDepth = this.fsw.options.depth;
if ((oDepth == null || depth <= oDepth) && !this.fsw._symlinkPaths.has(realpath)) {
if (!target) {
await this._handleRead(dir, initialAdd, wh, target, dir, depth, throttler);
if (this.fsw.closed) return;
}
closer = this._watchWithNodeFs(dir, (dirPath, stats) => {
// if current directory is removed, do nothing
if (stats && stats.mtimeMs === 0) return;
this._handleRead(dirPath, false, wh, target, dir, depth, throttler);
});
}
return closer;
}
/**
* Handle added file, directory, or glob pattern.
* Delegates call to _handleFile / _handleDir after checks.
* @param {String} path to file or ir
* @param {Boolean} initialAdd was the file added at watch instantiation?
* @param {Object} priorWh depth relative to user-supplied path
* @param {Number} depth Child path actually targeted for watch
* @param {String=} target Child path actually targeted for watch
* @returns {Promise}
*/
async _addToNodeFs(path, initialAdd, priorWh, depth, target) {
const ready = this.fsw._emitReady;
if (this.fsw._isIgnored(path) || this.fsw.closed) {
ready();
return false;
}
const wh = this.fsw._getWatchHelpers(path, depth);
if (!wh.hasGlob && priorWh) {
wh.hasGlob = priorWh.hasGlob;
wh.globFilter = priorWh.globFilter;
wh.filterPath = entry => priorWh.filterPath(entry);
wh.filterDir = entry => priorWh.filterDir(entry);
}
// evaluate what is at the path we're being asked to watch
try {
const stats = await statMethods[wh.statMethod](wh.watchPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(wh.watchPath, stats)) {
ready();
return false;
}
const follow = this.fsw.options.followSymlinks && !path.includes(STAR) && !path.includes(BRACE_START);
let closer;
if (stats.isDirectory()) {
const absPath = sysPath.resolve(path);
const targetPath = follow ? await fsrealpath(path) : path;
if (this.fsw.closed) return;
closer = await this._handleDir(wh.watchPath, stats, initialAdd, depth, target, wh, targetPath);
if (this.fsw.closed) return;
// preserve this symlink's target path
if (absPath !== targetPath && targetPath !== undefined) {
this.fsw._symlinkPaths.set(absPath, targetPath);
}
} else if (stats.isSymbolicLink()) {
const targetPath = follow ? await fsrealpath(path) : path;
if (this.fsw.closed) return;
const parent = sysPath.dirname(wh.watchPath);
this.fsw._getWatchedDir(parent).add(wh.watchPath);
this.fsw._emit(EV_ADD, wh.watchPath, stats);
closer = await this._handleDir(parent, stats, initialAdd, depth, path, wh, targetPath);
if (this.fsw.closed) return;
// preserve this symlink's target path
if (targetPath !== undefined) {
this.fsw._symlinkPaths.set(sysPath.resolve(path), targetPath);
}
} else {
closer = this._handleFile(wh.watchPath, stats, initialAdd);
}
ready();
this.fsw._addPathCloser(path, closer);
return false;
} catch (error) {
if (this.fsw._handleError(error)) {
ready();
return path;
}
}
}
}
module.exports = NodeFsHandler;

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nodeJS/Learning/01/node_modules/chokidar/package.json generated vendored
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@ -1,70 +0,0 @@
{
"name": "chokidar",
"description": "Minimal and efficient cross-platform file watching library",
"version": "3.6.0",
"homepage": "https://github.com/paulmillr/chokidar",
"author": "Paul Miller (https://paulmillr.com)",
"contributors": [
"Paul Miller (https://paulmillr.com)",
"Elan Shanker"
],
"engines": {
"node": ">= 8.10.0"
},
"main": "index.js",
"types": "./types/index.d.ts",
"dependencies": {
"anymatch": "~3.1.2",
"braces": "~3.0.2",
"glob-parent": "~5.1.2",
"is-binary-path": "~2.1.0",
"is-glob": "~4.0.1",
"normalize-path": "~3.0.0",
"readdirp": "~3.6.0"
},
"optionalDependencies": {
"fsevents": "~2.3.2"
},
"devDependencies": {
"@types/node": "^14",
"chai": "^4.3",
"dtslint": "^3.3.0",
"eslint": "^7.0.0",
"mocha": "^7.0.0",
"rimraf": "^3.0.0",
"sinon": "^9.0.1",
"sinon-chai": "^3.3.0",
"typescript": "^4.4.3",
"upath": "^1.2.0"
},
"files": [
"index.js",
"lib/*.js",
"types/index.d.ts"
],
"repository": {
"type": "git",
"url": "git+https://github.com/paulmillr/chokidar.git"
},
"bugs": {
"url": "https://github.com/paulmillr/chokidar/issues"
},
"license": "MIT",
"scripts": {
"dtslint": "dtslint types",
"lint": "eslint --report-unused-disable-directives --ignore-path .gitignore .",
"build": "npm ls",
"mocha": "mocha --exit --timeout 90000",
"test": "npm run lint && npm run mocha"
},
"keywords": [
"fs",
"watch",
"watchFile",
"watcher",
"watching",
"file",
"fsevents"
],
"funding": "https://paulmillr.com/funding/"
}

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// TypeScript Version: 3.0
/// <reference types="node" />
import * as fs from "fs";
import { EventEmitter } from "events";
import { Matcher } from 'anymatch';
export class FSWatcher extends EventEmitter implements fs.FSWatcher {
options: WatchOptions;
/**
* Constructs a new FSWatcher instance with optional WatchOptions parameter.
*/
constructor(options?: WatchOptions);
/**
* Add files, directories, or glob patterns for tracking. Takes an array of strings or just one
* string.
*/
add(paths: string | ReadonlyArray<string>): this;
/**
* Stop watching files, directories, or glob patterns. Takes an array of strings or just one
* string.
*/
unwatch(paths: string | ReadonlyArray<string>): this;
/**
* Returns an object representing all the paths on the file system being watched by this
* `FSWatcher` instance. The object's keys are all the directories (using absolute paths unless
* the `cwd` option was used), and the values are arrays of the names of the items contained in
* each directory.
*/
getWatched(): {
[directory: string]: string[];
};
/**
* Removes all listeners from watched files.
*/
close(): Promise<void>;
on(event: 'add'|'addDir'|'change', listener: (path: string, stats?: fs.Stats) => void): this;
on(event: 'all', listener: (eventName: 'add'|'addDir'|'change'|'unlink'|'unlinkDir', path: string, stats?: fs.Stats) => void): this;
/**
* Error occurred
*/
on(event: 'error', listener: (error: Error) => void): this;
/**
* Exposes the native Node `fs.FSWatcher events`
*/
on(event: 'raw', listener: (eventName: string, path: string, details: any) => void): this;
/**
* Fires when the initial scan is complete
*/
on(event: 'ready', listener: () => void): this;
on(event: 'unlink'|'unlinkDir', listener: (path: string) => void): this;
on(event: string, listener: (...args: any[]) => void): this;
ref(): this;
unref(): this;
}
export interface WatchOptions {
/**
* Indicates whether the process should continue to run as long as files are being watched. If
* set to `false` when using `fsevents` to watch, no more events will be emitted after `ready`,
* even if the process continues to run.
*/
persistent?: boolean;
/**
* ([anymatch](https://github.com/micromatch/anymatch)-compatible definition) Defines files/paths to
* be ignored. The whole relative or absolute path is tested, not just filename. If a function
* with two arguments is provided, it gets called twice per path - once with a single argument
* (the path), second time with two arguments (the path and the
* [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) object of that path).
*/
ignored?: Matcher;
/**
* If set to `false` then `add`/`addDir` events are also emitted for matching paths while
* instantiating the watching as chokidar discovers these file paths (before the `ready` event).
*/
ignoreInitial?: boolean;
/**
* When `false`, only the symlinks themselves will be watched for changes instead of following
* the link references and bubbling events through the link's path.
*/
followSymlinks?: boolean;
/**
* The base directory from which watch `paths` are to be derived. Paths emitted with events will
* be relative to this.
*/
cwd?: string;
/**
* If set to true then the strings passed to .watch() and .add() are treated as literal path
* names, even if they look like globs. Default: false.
*/
disableGlobbing?: boolean;
/**
* Whether to use fs.watchFile (backed by polling), or fs.watch. If polling leads to high CPU
* utilization, consider setting this to `false`. It is typically necessary to **set this to
* `true` to successfully watch files over a network**, and it may be necessary to successfully
* watch files in other non-standard situations. Setting to `true` explicitly on OS X overrides
* the `useFsEvents` default.
*/
usePolling?: boolean;
/**
* Whether to use the `fsevents` watching interface if available. When set to `true` explicitly
* and `fsevents` is available this supercedes the `usePolling` setting. When set to `false` on
* OS X, `usePolling: true` becomes the default.
*/
useFsEvents?: boolean;
/**
* If relying upon the [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) object that
* may get passed with `add`, `addDir`, and `change` events, set this to `true` to ensure it is
* provided even in cases where it wasn't already available from the underlying watch events.
*/
alwaysStat?: boolean;
/**
* If set, limits how many levels of subdirectories will be traversed.
*/
depth?: number;
/**
* Interval of file system polling.
*/
interval?: number;
/**
* Interval of file system polling for binary files. ([see list of binary extensions](https://gi
* thub.com/sindresorhus/binary-extensions/blob/master/binary-extensions.json))
*/
binaryInterval?: number;
/**
* Indicates whether to watch files that don't have read permissions if possible. If watching
* fails due to `EPERM` or `EACCES` with this set to `true`, the errors will be suppressed
* silently.
*/
ignorePermissionErrors?: boolean;
/**
* `true` if `useFsEvents` and `usePolling` are `false`). Automatically filters out artifacts
* that occur when using editors that use "atomic writes" instead of writing directly to the
* source file. If a file is re-added within 100 ms of being deleted, Chokidar emits a `change`
* event rather than `unlink` then `add`. If the default of 100 ms does not work well for you,
* you can override it by setting `atomic` to a custom value, in milliseconds.
*/
atomic?: boolean | number;
/**
* can be set to an object in order to adjust timing params:
*/
awaitWriteFinish?: AwaitWriteFinishOptions | boolean;
}
export interface AwaitWriteFinishOptions {
/**
* Amount of time in milliseconds for a file size to remain constant before emitting its event.
*/
stabilityThreshold?: number;
/**
* File size polling interval.
*/
pollInterval?: number;
}
/**
* produces an instance of `FSWatcher`.
*/
export function watch(
paths: string | ReadonlyArray<string>,
options?: WatchOptions
): FSWatcher;

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# 1.0.0 - 2016-01-07
- Removed: unused speed test
- Added: Automatic routing between previously unsupported conversions
([#27](https://github.com/Qix-/color-convert/pull/27))
- Removed: `xxx2xxx()` and `xxx2xxxRaw()` functions
([#27](https://github.com/Qix-/color-convert/pull/27))
- Removed: `convert()` class
([#27](https://github.com/Qix-/color-convert/pull/27))
- Changed: all functions to lookup dictionary
([#27](https://github.com/Qix-/color-convert/pull/27))
- Changed: `ansi` to `ansi256`
([#27](https://github.com/Qix-/color-convert/pull/27))
- Fixed: argument grouping for functions requiring only one argument
([#27](https://github.com/Qix-/color-convert/pull/27))
# 0.6.0 - 2015-07-23
- Added: methods to handle
[ANSI](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors) 16/256 colors:
- rgb2ansi16
- rgb2ansi
- hsl2ansi16
- hsl2ansi
- hsv2ansi16
- hsv2ansi
- hwb2ansi16
- hwb2ansi
- cmyk2ansi16
- cmyk2ansi
- keyword2ansi16
- keyword2ansi
- ansi162rgb
- ansi162hsl
- ansi162hsv
- ansi162hwb
- ansi162cmyk
- ansi162keyword
- ansi2rgb
- ansi2hsl
- ansi2hsv
- ansi2hwb
- ansi2cmyk
- ansi2keyword
([#18](https://github.com/harthur/color-convert/pull/18))
# 0.5.3 - 2015-06-02
- Fixed: hsl2hsv does not return `NaN` anymore when using `[0,0,0]`
([#15](https://github.com/harthur/color-convert/issues/15))
---
Check out commit logs for older releases

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Copyright (c) 2011-2016 Heather Arthur <fayearthur@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# color-convert
[![Build Status](https://travis-ci.org/Qix-/color-convert.svg?branch=master)](https://travis-ci.org/Qix-/color-convert)
Color-convert is a color conversion library for JavaScript and node.
It converts all ways between `rgb`, `hsl`, `hsv`, `hwb`, `cmyk`, `ansi`, `ansi16`, `hex` strings, and CSS `keyword`s (will round to closest):
```js
var convert = require('color-convert');
convert.rgb.hsl(140, 200, 100); // [96, 48, 59]
convert.keyword.rgb('blue'); // [0, 0, 255]
var rgbChannels = convert.rgb.channels; // 3
var cmykChannels = convert.cmyk.channels; // 4
var ansiChannels = convert.ansi16.channels; // 1
```
# Install
```console
$ npm install color-convert
```
# API
Simply get the property of the _from_ and _to_ conversion that you're looking for.
All functions have a rounded and unrounded variant. By default, return values are rounded. To get the unrounded (raw) results, simply tack on `.raw` to the function.
All 'from' functions have a hidden property called `.channels` that indicates the number of channels the function expects (not including alpha).
```js
var convert = require('color-convert');
// Hex to LAB
convert.hex.lab('DEADBF'); // [ 76, 21, -2 ]
convert.hex.lab.raw('DEADBF'); // [ 75.56213190997677, 20.653827952644754, -2.290532499330533 ]
// RGB to CMYK
convert.rgb.cmyk(167, 255, 4); // [ 35, 0, 98, 0 ]
convert.rgb.cmyk.raw(167, 255, 4); // [ 34.509803921568626, 0, 98.43137254901961, 0 ]
```
### Arrays
All functions that accept multiple arguments also support passing an array.
Note that this does **not** apply to functions that convert from a color that only requires one value (e.g. `keyword`, `ansi256`, `hex`, etc.)
```js
var convert = require('color-convert');
convert.rgb.hex(123, 45, 67); // '7B2D43'
convert.rgb.hex([123, 45, 67]); // '7B2D43'
```
## Routing
Conversions that don't have an _explicitly_ defined conversion (in [conversions.js](conversions.js)), but can be converted by means of sub-conversions (e.g. XYZ -> **RGB** -> CMYK), are automatically routed together. This allows just about any color model supported by `color-convert` to be converted to any other model, so long as a sub-conversion path exists. This is also true for conversions requiring more than one step in between (e.g. LCH -> **LAB** -> **XYZ** -> **RGB** -> Hex).
Keep in mind that extensive conversions _may_ result in a loss of precision, and exist only to be complete. For a list of "direct" (single-step) conversions, see [conversions.js](conversions.js).
# Contribute
If there is a new model you would like to support, or want to add a direct conversion between two existing models, please send us a pull request.
# License
Copyright &copy; 2011-2016, Heather Arthur and Josh Junon. Licensed under the [MIT License](LICENSE).

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/* MIT license */
/* eslint-disable no-mixed-operators */
const cssKeywords = require('color-name');
// NOTE: conversions should only return primitive values (i.e. arrays, or
// values that give correct `typeof` results).
// do not use box values types (i.e. Number(), String(), etc.)
const reverseKeywords = {};
for (const key of Object.keys(cssKeywords)) {
reverseKeywords[cssKeywords[key]] = key;
}
const convert = {
rgb: {channels: 3, labels: 'rgb'},
hsl: {channels: 3, labels: 'hsl'},
hsv: {channels: 3, labels: 'hsv'},
hwb: {channels: 3, labels: 'hwb'},
cmyk: {channels: 4, labels: 'cmyk'},
xyz: {channels: 3, labels: 'xyz'},
lab: {channels: 3, labels: 'lab'},
lch: {channels: 3, labels: 'lch'},
hex: {channels: 1, labels: ['hex']},
keyword: {channels: 1, labels: ['keyword']},
ansi16: {channels: 1, labels: ['ansi16']},
ansi256: {channels: 1, labels: ['ansi256']},
hcg: {channels: 3, labels: ['h', 'c', 'g']},
apple: {channels: 3, labels: ['r16', 'g16', 'b16']},
gray: {channels: 1, labels: ['gray']}
};
module.exports = convert;
// Hide .channels and .labels properties
for (const model of Object.keys(convert)) {
if (!('channels' in convert[model])) {
throw new Error('missing channels property: ' + model);
}
if (!('labels' in convert[model])) {
throw new Error('missing channel labels property: ' + model);
}
if (convert[model].labels.length !== convert[model].channels) {
throw new Error('channel and label counts mismatch: ' + model);
}
const {channels, labels} = convert[model];
delete convert[model].channels;
delete convert[model].labels;
Object.defineProperty(convert[model], 'channels', {value: channels});
Object.defineProperty(convert[model], 'labels', {value: labels});
}
convert.rgb.hsl = function (rgb) {
const r = rgb[0] / 255;
const g = rgb[1] / 255;
const b = rgb[2] / 255;
const min = Math.min(r, g, b);
const max = Math.max(r, g, b);
const delta = max - min;
let h;
let s;
if (max === min) {
h = 0;
} else if (r === max) {
h = (g - b) / delta;
} else if (g === max) {
h = 2 + (b - r) / delta;
} else if (b === max) {
h = 4 + (r - g) / delta;
}
h = Math.min(h * 60, 360);
if (h < 0) {
h += 360;
}
const l = (min + max) / 2;
if (max === min) {
s = 0;
} else if (l <= 0.5) {
s = delta / (max + min);
} else {
s = delta / (2 - max - min);
}
return [h, s * 100, l * 100];
};
convert.rgb.hsv = function (rgb) {
let rdif;
let gdif;
let bdif;
let h;
let s;
const r = rgb[0] / 255;
const g = rgb[1] / 255;
const b = rgb[2] / 255;
const v = Math.max(r, g, b);
const diff = v - Math.min(r, g, b);
const diffc = function (c) {
return (v - c) / 6 / diff + 1 / 2;
};
if (diff === 0) {
h = 0;
s = 0;
} else {
s = diff / v;
rdif = diffc(r);
gdif = diffc(g);
bdif = diffc(b);
if (r === v) {
h = bdif - gdif;
} else if (g === v) {
h = (1 / 3) + rdif - bdif;
} else if (b === v) {
h = (2 / 3) + gdif - rdif;
}
if (h < 0) {
h += 1;
} else if (h > 1) {
h -= 1;
}
}
return [
h * 360,
s * 100,
v * 100
];
};
convert.rgb.hwb = function (rgb) {
const r = rgb[0];
const g = rgb[1];
let b = rgb[2];
const h = convert.rgb.hsl(rgb)[0];
const w = 1 / 255 * Math.min(r, Math.min(g, b));
b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
return [h, w * 100, b * 100];
};
convert.rgb.cmyk = function (rgb) {
const r = rgb[0] / 255;
const g = rgb[1] / 255;
const b = rgb[2] / 255;
const k = Math.min(1 - r, 1 - g, 1 - b);
const c = (1 - r - k) / (1 - k) || 0;
const m = (1 - g - k) / (1 - k) || 0;
const y = (1 - b - k) / (1 - k) || 0;
return [c * 100, m * 100, y * 100, k * 100];
};
function comparativeDistance(x, y) {
/*
See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance
*/
return (
((x[0] - y[0]) ** 2) +
((x[1] - y[1]) ** 2) +
((x[2] - y[2]) ** 2)
);
}
convert.rgb.keyword = function (rgb) {
const reversed = reverseKeywords[rgb];
if (reversed) {
return reversed;
}
let currentClosestDistance = Infinity;
let currentClosestKeyword;
for (const keyword of Object.keys(cssKeywords)) {
const value = cssKeywords[keyword];
// Compute comparative distance
const distance = comparativeDistance(rgb, value);
// Check if its less, if so set as closest
if (distance < currentClosestDistance) {
currentClosestDistance = distance;
currentClosestKeyword = keyword;
}
}
return currentClosestKeyword;
};
convert.keyword.rgb = function (keyword) {
return cssKeywords[keyword];
};
convert.rgb.xyz = function (rgb) {
let r = rgb[0] / 255;
let g = rgb[1] / 255;
let b = rgb[2] / 255;
// Assume sRGB
r = r > 0.04045 ? (((r + 0.055) / 1.055) ** 2.4) : (r / 12.92);
g = g > 0.04045 ? (((g + 0.055) / 1.055) ** 2.4) : (g / 12.92);
b = b > 0.04045 ? (((b + 0.055) / 1.055) ** 2.4) : (b / 12.92);
const x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
const y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
const z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
return [x * 100, y * 100, z * 100];
};
convert.rgb.lab = function (rgb) {
const xyz = convert.rgb.xyz(rgb);
let x = xyz[0];
let y = xyz[1];
let z = xyz[2];
x /= 95.047;
y /= 100;
z /= 108.883;
x = x > 0.008856 ? (x ** (1 / 3)) : (7.787 * x) + (16 / 116);
y = y > 0.008856 ? (y ** (1 / 3)) : (7.787 * y) + (16 / 116);
z = z > 0.008856 ? (z ** (1 / 3)) : (7.787 * z) + (16 / 116);
const l = (116 * y) - 16;
const a = 500 * (x - y);
const b = 200 * (y - z);
return [l, a, b];
};
convert.hsl.rgb = function (hsl) {
const h = hsl[0] / 360;
const s = hsl[1] / 100;
const l = hsl[2] / 100;
let t2;
let t3;
let val;
if (s === 0) {
val = l * 255;
return [val, val, val];
}
if (l < 0.5) {
t2 = l * (1 + s);
} else {
t2 = l + s - l * s;
}
const t1 = 2 * l - t2;
const rgb = [0, 0, 0];
for (let i = 0; i < 3; i++) {
t3 = h + 1 / 3 * -(i - 1);
if (t3 < 0) {
t3++;
}
if (t3 > 1) {
t3--;
}
if (6 * t3 < 1) {
val = t1 + (t2 - t1) * 6 * t3;
} else if (2 * t3 < 1) {
val = t2;
} else if (3 * t3 < 2) {
val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
} else {
val = t1;
}
rgb[i] = val * 255;
}
return rgb;
};
convert.hsl.hsv = function (hsl) {
const h = hsl[0];
let s = hsl[1] / 100;
let l = hsl[2] / 100;
let smin = s;
const lmin = Math.max(l, 0.01);
l *= 2;
s *= (l <= 1) ? l : 2 - l;
smin *= lmin <= 1 ? lmin : 2 - lmin;
const v = (l + s) / 2;
const sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s);
return [h, sv * 100, v * 100];
};
convert.hsv.rgb = function (hsv) {
const h = hsv[0] / 60;
const s = hsv[1] / 100;
let v = hsv[2] / 100;
const hi = Math.floor(h) % 6;
const f = h - Math.floor(h);
const p = 255 * v * (1 - s);
const q = 255 * v * (1 - (s * f));
const t = 255 * v * (1 - (s * (1 - f)));
v *= 255;
switch (hi) {
case 0:
return [v, t, p];
case 1:
return [q, v, p];
case 2:
return [p, v, t];
case 3:
return [p, q, v];
case 4:
return [t, p, v];
case 5:
return [v, p, q];
}
};
convert.hsv.hsl = function (hsv) {
const h = hsv[0];
const s = hsv[1] / 100;
const v = hsv[2] / 100;
const vmin = Math.max(v, 0.01);
let sl;
let l;
l = (2 - s) * v;
const lmin = (2 - s) * vmin;
sl = s * vmin;
sl /= (lmin <= 1) ? lmin : 2 - lmin;
sl = sl || 0;
l /= 2;
return [h, sl * 100, l * 100];
};
// http://dev.w3.org/csswg/css-color/#hwb-to-rgb
convert.hwb.rgb = function (hwb) {
const h = hwb[0] / 360;
let wh = hwb[1] / 100;
let bl = hwb[2] / 100;
const ratio = wh + bl;
let f;
// Wh + bl cant be > 1
if (ratio > 1) {
wh /= ratio;
bl /= ratio;
}
const i = Math.floor(6 * h);
const v = 1 - bl;
f = 6 * h - i;
if ((i & 0x01) !== 0) {
f = 1 - f;
}
const n = wh + f * (v - wh); // Linear interpolation
let r;
let g;
let b;
/* eslint-disable max-statements-per-line,no-multi-spaces */
switch (i) {
default:
case 6:
case 0: r = v; g = n; b = wh; break;
case 1: r = n; g = v; b = wh; break;
case 2: r = wh; g = v; b = n; break;
case 3: r = wh; g = n; b = v; break;
case 4: r = n; g = wh; b = v; break;
case 5: r = v; g = wh; b = n; break;
}
/* eslint-enable max-statements-per-line,no-multi-spaces */
return [r * 255, g * 255, b * 255];
};
convert.cmyk.rgb = function (cmyk) {
const c = cmyk[0] / 100;
const m = cmyk[1] / 100;
const y = cmyk[2] / 100;
const k = cmyk[3] / 100;
const r = 1 - Math.min(1, c * (1 - k) + k);
const g = 1 - Math.min(1, m * (1 - k) + k);
const b = 1 - Math.min(1, y * (1 - k) + k);
return [r * 255, g * 255, b * 255];
};
convert.xyz.rgb = function (xyz) {
const x = xyz[0] / 100;
const y = xyz[1] / 100;
const z = xyz[2] / 100;
let r;
let g;
let b;
r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
// Assume sRGB
r = r > 0.0031308
? ((1.055 * (r ** (1.0 / 2.4))) - 0.055)
: r * 12.92;
g = g > 0.0031308
? ((1.055 * (g ** (1.0 / 2.4))) - 0.055)
: g * 12.92;
b = b > 0.0031308
? ((1.055 * (b ** (1.0 / 2.4))) - 0.055)
: b * 12.92;
r = Math.min(Math.max(0, r), 1);
g = Math.min(Math.max(0, g), 1);
b = Math.min(Math.max(0, b), 1);
return [r * 255, g * 255, b * 255];
};
convert.xyz.lab = function (xyz) {
let x = xyz[0];
let y = xyz[1];
let z = xyz[2];
x /= 95.047;
y /= 100;
z /= 108.883;
x = x > 0.008856 ? (x ** (1 / 3)) : (7.787 * x) + (16 / 116);
y = y > 0.008856 ? (y ** (1 / 3)) : (7.787 * y) + (16 / 116);
z = z > 0.008856 ? (z ** (1 / 3)) : (7.787 * z) + (16 / 116);
const l = (116 * y) - 16;
const a = 500 * (x - y);
const b = 200 * (y - z);
return [l, a, b];
};
convert.lab.xyz = function (lab) {
const l = lab[0];
const a = lab[1];
const b = lab[2];
let x;
let y;
let z;
y = (l + 16) / 116;
x = a / 500 + y;
z = y - b / 200;
const y2 = y ** 3;
const x2 = x ** 3;
const z2 = z ** 3;
y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787;
x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787;
z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787;
x *= 95.047;
y *= 100;
z *= 108.883;
return [x, y, z];
};
convert.lab.lch = function (lab) {
const l = lab[0];
const a = lab[1];
const b = lab[2];
let h;
const hr = Math.atan2(b, a);
h = hr * 360 / 2 / Math.PI;
if (h < 0) {
h += 360;
}
const c = Math.sqrt(a * a + b * b);
return [l, c, h];
};
convert.lch.lab = function (lch) {
const l = lch[0];
const c = lch[1];
const h = lch[2];
const hr = h / 360 * 2 * Math.PI;
const a = c * Math.cos(hr);
const b = c * Math.sin(hr);
return [l, a, b];
};
convert.rgb.ansi16 = function (args, saturation = null) {
const [r, g, b] = args;
let value = saturation === null ? convert.rgb.hsv(args)[2] : saturation; // Hsv -> ansi16 optimization
value = Math.round(value / 50);
if (value === 0) {
return 30;
}
let ansi = 30
+ ((Math.round(b / 255) << 2)
| (Math.round(g / 255) << 1)
| Math.round(r / 255));
if (value === 2) {
ansi += 60;
}
return ansi;
};
convert.hsv.ansi16 = function (args) {
// Optimization here; we already know the value and don't need to get
// it converted for us.
return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);
};
convert.rgb.ansi256 = function (args) {
const r = args[0];
const g = args[1];
const b = args[2];
// We use the extended greyscale palette here, with the exception of
// black and white. normal palette only has 4 greyscale shades.
if (r === g && g === b) {
if (r < 8) {
return 16;
}
if (r > 248) {
return 231;
}
return Math.round(((r - 8) / 247) * 24) + 232;
}
const ansi = 16
+ (36 * Math.round(r / 255 * 5))
+ (6 * Math.round(g / 255 * 5))
+ Math.round(b / 255 * 5);
return ansi;
};
convert.ansi16.rgb = function (args) {
let color = args % 10;
// Handle greyscale
if (color === 0 || color === 7) {
if (args > 50) {
color += 3.5;
}
color = color / 10.5 * 255;
return [color, color, color];
}
const mult = (~~(args > 50) + 1) * 0.5;
const r = ((color & 1) * mult) * 255;
const g = (((color >> 1) & 1) * mult) * 255;
const b = (((color >> 2) & 1) * mult) * 255;
return [r, g, b];
};
convert.ansi256.rgb = function (args) {
// Handle greyscale
if (args >= 232) {
const c = (args - 232) * 10 + 8;
return [c, c, c];
}
args -= 16;
let rem;
const r = Math.floor(args / 36) / 5 * 255;
const g = Math.floor((rem = args % 36) / 6) / 5 * 255;
const b = (rem % 6) / 5 * 255;
return [r, g, b];
};
convert.rgb.hex = function (args) {
const integer = ((Math.round(args[0]) & 0xFF) << 16)
+ ((Math.round(args[1]) & 0xFF) << 8)
+ (Math.round(args[2]) & 0xFF);
const string = integer.toString(16).toUpperCase();
return '000000'.substring(string.length) + string;
};
convert.hex.rgb = function (args) {
const match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
if (!match) {
return [0, 0, 0];
}
let colorString = match[0];
if (match[0].length === 3) {
colorString = colorString.split('').map(char => {
return char + char;
}).join('');
}
const integer = parseInt(colorString, 16);
const r = (integer >> 16) & 0xFF;
const g = (integer >> 8) & 0xFF;
const b = integer & 0xFF;
return [r, g, b];
};
convert.rgb.hcg = function (rgb) {
const r = rgb[0] / 255;
const g = rgb[1] / 255;
const b = rgb[2] / 255;
const max = Math.max(Math.max(r, g), b);
const min = Math.min(Math.min(r, g), b);
const chroma = (max - min);
let grayscale;
let hue;
if (chroma < 1) {
grayscale = min / (1 - chroma);
} else {
grayscale = 0;
}
if (chroma <= 0) {
hue = 0;
} else
if (max === r) {
hue = ((g - b) / chroma) % 6;
} else
if (max === g) {
hue = 2 + (b - r) / chroma;
} else {
hue = 4 + (r - g) / chroma;
}
hue /= 6;
hue %= 1;
return [hue * 360, chroma * 100, grayscale * 100];
};
convert.hsl.hcg = function (hsl) {
const s = hsl[1] / 100;
const l = hsl[2] / 100;
const c = l < 0.5 ? (2.0 * s * l) : (2.0 * s * (1.0 - l));
let f = 0;
if (c < 1.0) {
f = (l - 0.5 * c) / (1.0 - c);
}
return [hsl[0], c * 100, f * 100];
};
convert.hsv.hcg = function (hsv) {
const s = hsv[1] / 100;
const v = hsv[2] / 100;
const c = s * v;
let f = 0;
if (c < 1.0) {
f = (v - c) / (1 - c);
}
return [hsv[0], c * 100, f * 100];
};
convert.hcg.rgb = function (hcg) {
const h = hcg[0] / 360;
const c = hcg[1] / 100;
const g = hcg[2] / 100;
if (c === 0.0) {
return [g * 255, g * 255, g * 255];
}
const pure = [0, 0, 0];
const hi = (h % 1) * 6;
const v = hi % 1;
const w = 1 - v;
let mg = 0;
/* eslint-disable max-statements-per-line */
switch (Math.floor(hi)) {
case 0:
pure[0] = 1; pure[1] = v; pure[2] = 0; break;
case 1:
pure[0] = w; pure[1] = 1; pure[2] = 0; break;
case 2:
pure[0] = 0; pure[1] = 1; pure[2] = v; break;
case 3:
pure[0] = 0; pure[1] = w; pure[2] = 1; break;
case 4:
pure[0] = v; pure[1] = 0; pure[2] = 1; break;
default:
pure[0] = 1; pure[1] = 0; pure[2] = w;
}
/* eslint-enable max-statements-per-line */
mg = (1.0 - c) * g;
return [
(c * pure[0] + mg) * 255,
(c * pure[1] + mg) * 255,
(c * pure[2] + mg) * 255
];
};
convert.hcg.hsv = function (hcg) {
const c = hcg[1] / 100;
const g = hcg[2] / 100;
const v = c + g * (1.0 - c);
let f = 0;
if (v > 0.0) {
f = c / v;
}
return [hcg[0], f * 100, v * 100];
};
convert.hcg.hsl = function (hcg) {
const c = hcg[1] / 100;
const g = hcg[2] / 100;
const l = g * (1.0 - c) + 0.5 * c;
let s = 0;
if (l > 0.0 && l < 0.5) {
s = c / (2 * l);
} else
if (l >= 0.5 && l < 1.0) {
s = c / (2 * (1 - l));
}
return [hcg[0], s * 100, l * 100];
};
convert.hcg.hwb = function (hcg) {
const c = hcg[1] / 100;
const g = hcg[2] / 100;
const v = c + g * (1.0 - c);
return [hcg[0], (v - c) * 100, (1 - v) * 100];
};
convert.hwb.hcg = function (hwb) {
const w = hwb[1] / 100;
const b = hwb[2] / 100;
const v = 1 - b;
const c = v - w;
let g = 0;
if (c < 1) {
g = (v - c) / (1 - c);
}
return [hwb[0], c * 100, g * 100];
};
convert.apple.rgb = function (apple) {
return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255];
};
convert.rgb.apple = function (rgb) {
return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535];
};
convert.gray.rgb = function (args) {
return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];
};
convert.gray.hsl = function (args) {
return [0, 0, args[0]];
};
convert.gray.hsv = convert.gray.hsl;
convert.gray.hwb = function (gray) {
return [0, 100, gray[0]];
};
convert.gray.cmyk = function (gray) {
return [0, 0, 0, gray[0]];
};
convert.gray.lab = function (gray) {
return [gray[0], 0, 0];
};
convert.gray.hex = function (gray) {
const val = Math.round(gray[0] / 100 * 255) & 0xFF;
const integer = (val << 16) + (val << 8) + val;
const string = integer.toString(16).toUpperCase();
return '000000'.substring(string.length) + string;
};
convert.rgb.gray = function (rgb) {
const val = (rgb[0] + rgb[1] + rgb[2]) / 3;
return [val / 255 * 100];
};

81
nodeJS/Learning/01/node_modules/color-convert/index.js generated vendored
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const conversions = require('./conversions');
const route = require('./route');
const convert = {};
const models = Object.keys(conversions);
function wrapRaw(fn) {
const wrappedFn = function (...args) {
const arg0 = args[0];
if (arg0 === undefined || arg0 === null) {
return arg0;
}
if (arg0.length > 1) {
args = arg0;
}
return fn(args);
};
// Preserve .conversion property if there is one
if ('conversion' in fn) {
wrappedFn.conversion = fn.conversion;
}
return wrappedFn;
}
function wrapRounded(fn) {
const wrappedFn = function (...args) {
const arg0 = args[0];
if (arg0 === undefined || arg0 === null) {
return arg0;
}
if (arg0.length > 1) {
args = arg0;
}
const result = fn(args);
// We're assuming the result is an array here.
// see notice in conversions.js; don't use box types
// in conversion functions.
if (typeof result === 'object') {
for (let len = result.length, i = 0; i < len; i++) {
result[i] = Math.round(result[i]);
}
}
return result;
};
// Preserve .conversion property if there is one
if ('conversion' in fn) {
wrappedFn.conversion = fn.conversion;
}
return wrappedFn;
}
models.forEach(fromModel => {
convert[fromModel] = {};
Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});
Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});
const routes = route(fromModel);
const routeModels = Object.keys(routes);
routeModels.forEach(toModel => {
const fn = routes[toModel];
convert[fromModel][toModel] = wrapRounded(fn);
convert[fromModel][toModel].raw = wrapRaw(fn);
});
});
module.exports = convert;

48
nodeJS/Learning/01/node_modules/color-convert/package.json generated vendored
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@ -1,48 +0,0 @@
{
"name": "color-convert",
"description": "Plain color conversion functions",
"version": "2.0.1",
"author": "Heather Arthur <fayearthur@gmail.com>",
"license": "MIT",
"repository": "Qix-/color-convert",
"scripts": {
"pretest": "xo",
"test": "node test/basic.js"
},
"engines": {
"node": ">=7.0.0"
},
"keywords": [
"color",
"colour",
"convert",
"converter",
"conversion",
"rgb",
"hsl",
"hsv",
"hwb",
"cmyk",
"ansi",
"ansi16"
],
"files": [
"index.js",
"conversions.js",
"route.js"
],
"xo": {
"rules": {
"default-case": 0,
"no-inline-comments": 0,
"operator-linebreak": 0
}
},
"devDependencies": {
"chalk": "^2.4.2",
"xo": "^0.24.0"
},
"dependencies": {
"color-name": "~1.1.4"
}
}

97
nodeJS/Learning/01/node_modules/color-convert/route.js generated vendored
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@ -1,97 +0,0 @@
const conversions = require('./conversions');
/*
This function routes a model to all other models.
all functions that are routed have a property `.conversion` attached
to the returned synthetic function. This property is an array
of strings, each with the steps in between the 'from' and 'to'
color models (inclusive).
conversions that are not possible simply are not included.
*/
function buildGraph() {
const graph = {};
// https://jsperf.com/object-keys-vs-for-in-with-closure/3
const models = Object.keys(conversions);
for (let len = models.length, i = 0; i < len; i++) {
graph[models[i]] = {
// http://jsperf.com/1-vs-infinity
// micro-opt, but this is simple.
distance: -1,
parent: null
};
}
return graph;
}
// https://en.wikipedia.org/wiki/Breadth-first_search
function deriveBFS(fromModel) {
const graph = buildGraph();
const queue = [fromModel]; // Unshift -> queue -> pop
graph[fromModel].distance = 0;
while (queue.length) {
const current = queue.pop();
const adjacents = Object.keys(conversions[current]);
for (let len = adjacents.length, i = 0; i < len; i++) {
const adjacent = adjacents[i];
const node = graph[adjacent];
if (node.distance === -1) {
node.distance = graph[current].distance + 1;
node.parent = current;
queue.unshift(adjacent);
}
}
}
return graph;
}
function link(from, to) {
return function (args) {
return to(from(args));
};
}
function wrapConversion(toModel, graph) {
const path = [graph[toModel].parent, toModel];
let fn = conversions[graph[toModel].parent][toModel];
let cur = graph[toModel].parent;
while (graph[cur].parent) {
path.unshift(graph[cur].parent);
fn = link(conversions[graph[cur].parent][cur], fn);
cur = graph[cur].parent;
}
fn.conversion = path;
return fn;
}
module.exports = function (fromModel) {
const graph = deriveBFS(fromModel);
const conversion = {};
const models = Object.keys(graph);
for (let len = models.length, i = 0; i < len; i++) {
const toModel = models[i];
const node = graph[toModel];
if (node.parent === null) {
// No possible conversion, or this node is the source model.
continue;
}
conversion[toModel] = wrapConversion(toModel, graph);
}
return conversion;
};

8
nodeJS/Learning/01/node_modules/color-name/LICENSE generated vendored
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@ -1,8 +0,0 @@
The MIT License (MIT)
Copyright (c) 2015 Dmitry Ivanov
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

11
nodeJS/Learning/01/node_modules/color-name/README.md generated vendored
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@ -1,11 +0,0 @@
A JSON with color names and its values. Based on http://dev.w3.org/csswg/css-color/#named-colors.
[![NPM](https://nodei.co/npm/color-name.png?mini=true)](https://nodei.co/npm/color-name/)
```js
var colors = require('color-name');
colors.red //[255,0,0]
```
<a href="LICENSE"><img src="https://upload.wikimedia.org/wikipedia/commons/0/0c/MIT_logo.svg" width="120"/></a>

152
nodeJS/Learning/01/node_modules/color-name/index.js generated vendored
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@ -1,152 +0,0 @@
'use strict'
module.exports = {
"aliceblue": [240, 248, 255],
"antiquewhite": [250, 235, 215],
"aqua": [0, 255, 255],
"aquamarine": [127, 255, 212],
"azure": [240, 255, 255],
"beige": [245, 245, 220],
"bisque": [255, 228, 196],
"black": [0, 0, 0],
"blanchedalmond": [255, 235, 205],
"blue": [0, 0, 255],
"blueviolet": [138, 43, 226],
"brown": [165, 42, 42],
"burlywood": [222, 184, 135],
"cadetblue": [95, 158, 160],
"chartreuse": [127, 255, 0],
"chocolate": [210, 105, 30],
"coral": [255, 127, 80],
"cornflowerblue": [100, 149, 237],
"cornsilk": [255, 248, 220],
"crimson": [220, 20, 60],
"cyan": [0, 255, 255],
"darkblue": [0, 0, 139],
"darkcyan": [0, 139, 139],
"darkgoldenrod": [184, 134, 11],
"darkgray": [169, 169, 169],
"darkgreen": [0, 100, 0],
"darkgrey": [169, 169, 169],
"darkkhaki": [189, 183, 107],
"darkmagenta": [139, 0, 139],
"darkolivegreen": [85, 107, 47],
"darkorange": [255, 140, 0],
"darkorchid": [153, 50, 204],
"darkred": [139, 0, 0],
"darksalmon": [233, 150, 122],
"darkseagreen": [143, 188, 143],
"darkslateblue": [72, 61, 139],
"darkslategray": [47, 79, 79],
"darkslategrey": [47, 79, 79],
"darkturquoise": [0, 206, 209],
"darkviolet": [148, 0, 211],
"deeppink": [255, 20, 147],
"deepskyblue": [0, 191, 255],
"dimgray": [105, 105, 105],
"dimgrey": [105, 105, 105],
"dodgerblue": [30, 144, 255],
"firebrick": [178, 34, 34],
"floralwhite": [255, 250, 240],
"forestgreen": [34, 139, 34],
"fuchsia": [255, 0, 255],
"gainsboro": [220, 220, 220],
"ghostwhite": [248, 248, 255],
"gold": [255, 215, 0],
"goldenrod": [218, 165, 32],
"gray": [128, 128, 128],
"green": [0, 128, 0],
"greenyellow": [173, 255, 47],
"grey": [128, 128, 128],
"honeydew": [240, 255, 240],
"hotpink": [255, 105, 180],
"indianred": [205, 92, 92],
"indigo": [75, 0, 130],
"ivory": [255, 255, 240],
"khaki": [240, 230, 140],
"lavender": [230, 230, 250],
"lavenderblush": [255, 240, 245],
"lawngreen": [124, 252, 0],
"lemonchiffon": [255, 250, 205],
"lightblue": [173, 216, 230],
"lightcoral": [240, 128, 128],
"lightcyan": [224, 255, 255],
"lightgoldenrodyellow": [250, 250, 210],
"lightgray": [211, 211, 211],
"lightgreen": [144, 238, 144],
"lightgrey": [211, 211, 211],
"lightpink": [255, 182, 193],
"lightsalmon": [255, 160, 122],
"lightseagreen": [32, 178, 170],
"lightskyblue": [135, 206, 250],
"lightslategray": [119, 136, 153],
"lightslategrey": [119, 136, 153],
"lightsteelblue": [176, 196, 222],
"lightyellow": [255, 255, 224],
"lime": [0, 255, 0],
"limegreen": [50, 205, 50],
"linen": [250, 240, 230],
"magenta": [255, 0, 255],
"maroon": [128, 0, 0],
"mediumaquamarine": [102, 205, 170],
"mediumblue": [0, 0, 205],
"mediumorchid": [186, 85, 211],
"mediumpurple": [147, 112, 219],
"mediumseagreen": [60, 179, 113],
"mediumslateblue": [123, 104, 238],
"mediumspringgreen": [0, 250, 154],
"mediumturquoise": [72, 209, 204],
"mediumvioletred": [199, 21, 133],
"midnightblue": [25, 25, 112],
"mintcream": [245, 255, 250],
"mistyrose": [255, 228, 225],
"moccasin": [255, 228, 181],
"navajowhite": [255, 222, 173],
"navy": [0, 0, 128],
"oldlace": [253, 245, 230],
"olive": [128, 128, 0],
"olivedrab": [107, 142, 35],
"orange": [255, 165, 0],
"orangered": [255, 69, 0],
"orchid": [218, 112, 214],
"palegoldenrod": [238, 232, 170],
"palegreen": [152, 251, 152],
"paleturquoise": [175, 238, 238],
"palevioletred": [219, 112, 147],
"papayawhip": [255, 239, 213],
"peachpuff": [255, 218, 185],
"peru": [205, 133, 63],
"pink": [255, 192, 203],
"plum": [221, 160, 221],
"powderblue": [176, 224, 230],
"purple": [128, 0, 128],
"rebeccapurple": [102, 51, 153],
"red": [255, 0, 0],
"rosybrown": [188, 143, 143],
"royalblue": [65, 105, 225],
"saddlebrown": [139, 69, 19],
"salmon": [250, 128, 114],
"sandybrown": [244, 164, 96],
"seagreen": [46, 139, 87],
"seashell": [255, 245, 238],
"sienna": [160, 82, 45],
"silver": [192, 192, 192],
"skyblue": [135, 206, 235],
"slateblue": [106, 90, 205],
"slategray": [112, 128, 144],
"slategrey": [112, 128, 144],
"snow": [255, 250, 250],
"springgreen": [0, 255, 127],
"steelblue": [70, 130, 180],
"tan": [210, 180, 140],
"teal": [0, 128, 128],
"thistle": [216, 191, 216],
"tomato": [255, 99, 71],
"turquoise": [64, 224, 208],
"violet": [238, 130, 238],
"wheat": [245, 222, 179],
"white": [255, 255, 255],
"whitesmoke": [245, 245, 245],
"yellow": [255, 255, 0],
"yellowgreen": [154, 205, 50]
};

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@ -1,28 +0,0 @@
{
"name": "color-name",
"version": "1.1.4",
"description": "A list of color names and its values",
"main": "index.js",
"files": [
"index.js"
],
"scripts": {
"test": "node test.js"
},
"repository": {
"type": "git",
"url": "git@github.com:colorjs/color-name.git"
},
"keywords": [
"color-name",
"color",
"color-keyword",
"keyword"
],
"author": "DY <dfcreative@gmail.com>",
"license": "MIT",
"bugs": {
"url": "https://github.com/colorjs/color-name/issues"
},
"homepage": "https://github.com/colorjs/color-name"
}

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@ -1,4 +0,0 @@
language: node_js
node_js:
- 0.4
- 0.6

18
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@ -1,18 +0,0 @@
This software is released under the MIT license:
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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@ -1,62 +0,0 @@
concat-map
==========
Concatenative mapdashery.
[![browser support](http://ci.testling.com/substack/node-concat-map.png)](http://ci.testling.com/substack/node-concat-map)
[![build status](https://secure.travis-ci.org/substack/node-concat-map.png)](http://travis-ci.org/substack/node-concat-map)
example
=======
``` js
var concatMap = require('concat-map');
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ys = concatMap(xs, function (x) {
return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
console.dir(ys);
```
***
```
[ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]
```
methods
=======
``` js
var concatMap = require('concat-map')
```
concatMap(xs, fn)
-----------------
Return an array of concatenated elements by calling `fn(x, i)` for each element
`x` and each index `i` in the array `xs`.
When `fn(x, i)` returns an array, its result will be concatenated with the
result array. If `fn(x, i)` returns anything else, that value will be pushed
onto the end of the result array.
install
=======
With [npm](http://npmjs.org) do:
```
npm install concat-map
```
license
=======
MIT
notes
=====
This module was written while sitting high above the ground in a tree.

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@ -1,6 +0,0 @@
var concatMap = require('../');
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ys = concatMap(xs, function (x) {
return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
console.dir(ys);

13
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@ -1,13 +0,0 @@
module.exports = function (xs, fn) {
var res = [];
for (var i = 0; i < xs.length; i++) {
var x = fn(xs[i], i);
if (isArray(x)) res.push.apply(res, x);
else res.push(x);
}
return res;
};
var isArray = Array.isArray || function (xs) {
return Object.prototype.toString.call(xs) === '[object Array]';
};

43
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@ -1,43 +0,0 @@
{
"name" : "concat-map",
"description" : "concatenative mapdashery",
"version" : "0.0.1",
"repository" : {
"type" : "git",
"url" : "git://github.com/substack/node-concat-map.git"
},
"main" : "index.js",
"keywords" : [
"concat",
"concatMap",
"map",
"functional",
"higher-order"
],
"directories" : {
"example" : "example",
"test" : "test"
},
"scripts" : {
"test" : "tape test/*.js"
},
"devDependencies" : {
"tape" : "~2.4.0"
},
"license" : "MIT",
"author" : {
"name" : "James Halliday",
"email" : "mail@substack.net",
"url" : "http://substack.net"
},
"testling" : {
"files" : "test/*.js",
"browsers" : {
"ie" : [ 6, 7, 8, 9 ],
"ff" : [ 3.5, 10, 15.0 ],
"chrome" : [ 10, 22 ],
"safari" : [ 5.1 ],
"opera" : [ 12 ]
}
}
}

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@ -1,39 +0,0 @@
var concatMap = require('../');
var test = require('tape');
test('empty or not', function (t) {
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ixes = [];
var ys = concatMap(xs, function (x, ix) {
ixes.push(ix);
return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
t.same(ys, [ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]);
t.same(ixes, [ 0, 1, 2, 3, 4, 5 ]);
t.end();
});
test('always something', function (t) {
var xs = [ 'a', 'b', 'c', 'd' ];
var ys = concatMap(xs, function (x) {
return x === 'b' ? [ 'B', 'B', 'B' ] : [ x ];
});
t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
t.end();
});
test('scalars', function (t) {
var xs = [ 'a', 'b', 'c', 'd' ];
var ys = concatMap(xs, function (x) {
return x === 'b' ? [ 'B', 'B', 'B' ] : x;
});
t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
t.end();
});
test('undefs', function (t) {
var xs = [ 'a', 'b', 'c', 'd' ];
var ys = concatMap(xs, function () {});
t.same(ys, [ undefined, undefined, undefined, undefined ]);
t.end();
});

20
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@ -1,20 +0,0 @@
(The MIT License)
Copyright (c) 2014-2017 TJ Holowaychuk <tj@vision-media.ca>
Copyright (c) 2018-2021 Josh Junon
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the 'Software'), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

481
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@ -1,481 +0,0 @@
# debug
[![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers)
[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
A tiny JavaScript debugging utility modelled after Node.js core's debugging
technique. Works in Node.js and web browsers.
## Installation
```bash
$ npm install debug
```
## Usage
`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
Example [_app.js_](./examples/node/app.js):
```js
var debug = require('debug')('http')
, http = require('http')
, name = 'My App';
// fake app
debug('booting %o', name);
http.createServer(function(req, res){
debug(req.method + ' ' + req.url);
res.end('hello\n');
}).listen(3000, function(){
debug('listening');
});
// fake worker of some kind
require('./worker');
```
Example [_worker.js_](./examples/node/worker.js):
```js
var a = require('debug')('worker:a')
, b = require('debug')('worker:b');
function work() {
a('doing lots of uninteresting work');
setTimeout(work, Math.random() * 1000);
}
work();
function workb() {
b('doing some work');
setTimeout(workb, Math.random() * 2000);
}
workb();
```
The `DEBUG` environment variable is then used to enable these based on space or
comma-delimited names.
Here are some examples:
<img width="647" alt="screen shot 2017-08-08 at 12 53 04 pm" src="https://user-images.githubusercontent.com/71256/29091703-a6302cdc-7c38-11e7-8304-7c0b3bc600cd.png">
<img width="647" alt="screen shot 2017-08-08 at 12 53 38 pm" src="https://user-images.githubusercontent.com/71256/29091700-a62a6888-7c38-11e7-800b-db911291ca2b.png">
<img width="647" alt="screen shot 2017-08-08 at 12 53 25 pm" src="https://user-images.githubusercontent.com/71256/29091701-a62ea114-7c38-11e7-826a-2692bedca740.png">
#### Windows command prompt notes
##### CMD
On Windows the environment variable is set using the `set` command.
```cmd
set DEBUG=*,-not_this
```
Example:
```cmd
set DEBUG=* & node app.js
```
##### PowerShell (VS Code default)
PowerShell uses different syntax to set environment variables.
```cmd
$env:DEBUG = "*,-not_this"
```
Example:
```cmd
$env:DEBUG='app';node app.js
```
Then, run the program to be debugged as usual.
npm script example:
```js
"windowsDebug": "@powershell -Command $env:DEBUG='*';node app.js",
```
## Namespace Colors
Every debug instance has a color generated for it based on its namespace name.
This helps when visually parsing the debug output to identify which debug instance
a debug line belongs to.
#### Node.js
In Node.js, colors are enabled when stderr is a TTY. You also _should_ install
the [`supports-color`](https://npmjs.org/supports-color) module alongside debug,
otherwise debug will only use a small handful of basic colors.
<img width="521" src="https://user-images.githubusercontent.com/71256/29092181-47f6a9e6-7c3a-11e7-9a14-1928d8a711cd.png">
#### Web Browser
Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
option. These are WebKit web inspectors, Firefox ([since version
31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
and the Firebug plugin for Firefox (any version).
<img width="524" src="https://user-images.githubusercontent.com/71256/29092033-b65f9f2e-7c39-11e7-8e32-f6f0d8e865c1.png">
## Millisecond diff
When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
When stdout is not a TTY, `Date#toISOString()` is used, making it more useful for logging the debug information as shown below:
<img width="647" src="https://user-images.githubusercontent.com/71256/29091956-6bd78372-7c39-11e7-8c55-c948396d6edd.png">
## Conventions
If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser". If you append a "*" to the end of your name, it will always be enabled regardless of the setting of the DEBUG environment variable. You can then use it for normal output as well as debug output.
## Wildcards
The `*` character may be used as a wildcard. Suppose for example your library has
debuggers named "connect:bodyParser", "connect:compress", "connect:session",
instead of listing all three with
`DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do
`DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
You can also exclude specific debuggers by prefixing them with a "-" character.
For example, `DEBUG=*,-connect:*` would include all debuggers except those
starting with "connect:".
## Environment Variables
When running through Node.js, you can set a few environment variables that will
change the behavior of the debug logging:
| Name | Purpose |
|-----------|-------------------------------------------------|
| `DEBUG` | Enables/disables specific debugging namespaces. |
| `DEBUG_HIDE_DATE` | Hide date from debug output (non-TTY). |
| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
| `DEBUG_DEPTH` | Object inspection depth. |
| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
__Note:__ The environment variables beginning with `DEBUG_` end up being
converted into an Options object that gets used with `%o`/`%O` formatters.
See the Node.js documentation for
[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
for the complete list.
## Formatters
Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting.
Below are the officially supported formatters:
| Formatter | Representation |
|-----------|----------------|
| `%O` | Pretty-print an Object on multiple lines. |
| `%o` | Pretty-print an Object all on a single line. |
| `%s` | String. |
| `%d` | Number (both integer and float). |
| `%j` | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
| `%%` | Single percent sign ('%'). This does not consume an argument. |
### Custom formatters
You can add custom formatters by extending the `debug.formatters` object.
For example, if you wanted to add support for rendering a Buffer as hex with
`%h`, you could do something like:
```js
const createDebug = require('debug')
createDebug.formatters.h = (v) => {
return v.toString('hex')
}
// …elsewhere
const debug = createDebug('foo')
debug('this is hex: %h', new Buffer('hello world'))
// foo this is hex: 68656c6c6f20776f726c6421 +0ms
```
## Browser Support
You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
if you don't want to build it yourself.
Debug's enable state is currently persisted by `localStorage`.
Consider the situation shown below where you have `worker:a` and `worker:b`,
and wish to debug both. You can enable this using `localStorage.debug`:
```js
localStorage.debug = 'worker:*'
```
And then refresh the page.
```js
a = debug('worker:a');
b = debug('worker:b');
setInterval(function(){
a('doing some work');
}, 1000);
setInterval(function(){
b('doing some work');
}, 1200);
```
In Chromium-based web browsers (e.g. Brave, Chrome, and Electron), the JavaScript console will—by default—only show messages logged by `debug` if the "Verbose" log level is _enabled_.
<img width="647" src="https://user-images.githubusercontent.com/7143133/152083257-29034707-c42c-4959-8add-3cee850e6fcf.png">
## Output streams
By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
Example [_stdout.js_](./examples/node/stdout.js):
```js
var debug = require('debug');
var error = debug('app:error');
// by default stderr is used
error('goes to stderr!');
var log = debug('app:log');
// set this namespace to log via console.log
log.log = console.log.bind(console); // don't forget to bind to console!
log('goes to stdout');
error('still goes to stderr!');
// set all output to go via console.info
// overrides all per-namespace log settings
debug.log = console.info.bind(console);
error('now goes to stdout via console.info');
log('still goes to stdout, but via console.info now');
```
## Extend
You can simply extend debugger
```js
const log = require('debug')('auth');
//creates new debug instance with extended namespace
const logSign = log.extend('sign');
const logLogin = log.extend('login');
log('hello'); // auth hello
logSign('hello'); //auth:sign hello
logLogin('hello'); //auth:login hello
```
## Set dynamically
You can also enable debug dynamically by calling the `enable()` method :
```js
let debug = require('debug');
console.log(1, debug.enabled('test'));
debug.enable('test');
console.log(2, debug.enabled('test'));
debug.disable();
console.log(3, debug.enabled('test'));
```
print :
```
1 false
2 true
3 false
```
Usage :
`enable(namespaces)`
`namespaces` can include modes separated by a colon and wildcards.
Note that calling `enable()` completely overrides previously set DEBUG variable :
```
$ DEBUG=foo node -e 'var dbg = require("debug"); dbg.enable("bar"); console.log(dbg.enabled("foo"))'
=> false
```
`disable()`
Will disable all namespaces. The functions returns the namespaces currently
enabled (and skipped). This can be useful if you want to disable debugging
temporarily without knowing what was enabled to begin with.
For example:
```js
let debug = require('debug');
debug.enable('foo:*,-foo:bar');
let namespaces = debug.disable();
debug.enable(namespaces);
```
Note: There is no guarantee that the string will be identical to the initial
enable string, but semantically they will be identical.
## Checking whether a debug target is enabled
After you've created a debug instance, you can determine whether or not it is
enabled by checking the `enabled` property:
```javascript
const debug = require('debug')('http');
if (debug.enabled) {
// do stuff...
}
```
You can also manually toggle this property to force the debug instance to be
enabled or disabled.
## Usage in child processes
Due to the way `debug` detects if the output is a TTY or not, colors are not shown in child processes when `stderr` is piped. A solution is to pass the `DEBUG_COLORS=1` environment variable to the child process.
For example:
```javascript
worker = fork(WORKER_WRAP_PATH, [workerPath], {
stdio: [
/* stdin: */ 0,
/* stdout: */ 'pipe',
/* stderr: */ 'pipe',
'ipc',
],
env: Object.assign({}, process.env, {
DEBUG_COLORS: 1 // without this settings, colors won't be shown
}),
});
worker.stderr.pipe(process.stderr, { end: false });
```
## Authors
- TJ Holowaychuk
- Nathan Rajlich
- Andrew Rhyne
- Josh Junon
## Backers
Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
<a href="https://opencollective.com/debug/backer/0/website" target="_blank"><img src="https://opencollective.com/debug/backer/0/avatar.svg"></a>
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<a href="https://opencollective.com/debug/backer/28/website" target="_blank"><img src="https://opencollective.com/debug/backer/28/avatar.svg"></a>
<a href="https://opencollective.com/debug/backer/29/website" target="_blank"><img src="https://opencollective.com/debug/backer/29/avatar.svg"></a>
## Sponsors
Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
<a href="https://opencollective.com/debug/sponsor/0/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/0/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/1/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/1/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/2/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/2/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/3/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/3/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/4/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/4/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/5/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/5/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/6/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/6/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/7/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/7/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/8/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/8/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/9/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/9/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/10/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/10/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/11/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/11/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/12/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/12/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/13/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/13/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/14/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/14/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/15/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/15/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/16/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/16/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/17/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/17/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/18/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/18/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/19/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/19/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/20/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/20/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/21/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/21/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/22/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/22/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/23/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/23/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/24/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/24/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/25/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/25/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/26/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/26/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/27/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/27/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/28/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/28/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/29/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/29/avatar.svg"></a>
## License
(The MIT License)
Copyright (c) 2014-2017 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
Copyright (c) 2018-2021 Josh Junon
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

60
nodeJS/Learning/01/node_modules/debug/package.json generated vendored
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@ -1,60 +0,0 @@
{
"name": "debug",
"version": "4.3.7",
"repository": {
"type": "git",
"url": "git://github.com/debug-js/debug.git"
},
"description": "Lightweight debugging utility for Node.js and the browser",
"keywords": [
"debug",
"log",
"debugger"
],
"files": [
"src",
"LICENSE",
"README.md"
],
"author": "Josh Junon (https://github.com/qix-)",
"contributors": [
"TJ Holowaychuk <tj@vision-media.ca>",
"Nathan Rajlich <nathan@tootallnate.net> (http://n8.io)",
"Andrew Rhyne <rhyneandrew@gmail.com>"
],
"license": "MIT",
"scripts": {
"lint": "xo",
"test": "npm run test:node && npm run test:browser && npm run lint",
"test:node": "istanbul cover _mocha -- test.js test.node.js",
"test:browser": "karma start --single-run",
"test:coverage": "cat ./coverage/lcov.info | coveralls"
},
"dependencies": {
"ms": "^2.1.3"
},
"devDependencies": {
"brfs": "^2.0.1",
"browserify": "^16.2.3",
"coveralls": "^3.0.2",
"istanbul": "^0.4.5",
"karma": "^3.1.4",
"karma-browserify": "^6.0.0",
"karma-chrome-launcher": "^2.2.0",
"karma-mocha": "^1.3.0",
"mocha": "^5.2.0",
"mocha-lcov-reporter": "^1.2.0",
"sinon": "^14.0.0",
"xo": "^0.23.0"
},
"peerDependenciesMeta": {
"supports-color": {
"optional": true
}
},
"main": "./src/index.js",
"browser": "./src/browser.js",
"engines": {
"node": ">=6.0"
}
}

271
nodeJS/Learning/01/node_modules/debug/src/browser.js generated vendored
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@ -1,271 +0,0 @@
/* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = localstorage();
exports.destroy = (() => {
let warned = false;
return () => {
if (!warned) {
warned = true;
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
};
})();
/**
* Colors.
*/
exports.colors = [
'#0000CC',
'#0000FF',
'#0033CC',
'#0033FF',
'#0066CC',
'#0066FF',
'#0099CC',
'#0099FF',
'#00CC00',
'#00CC33',
'#00CC66',
'#00CC99',
'#00CCCC',
'#00CCFF',
'#3300CC',
'#3300FF',
'#3333CC',
'#3333FF',
'#3366CC',
'#3366FF',
'#3399CC',
'#3399FF',
'#33CC00',
'#33CC33',
'#33CC66',
'#33CC99',
'#33CCCC',
'#33CCFF',
'#6600CC',
'#6600FF',
'#6633CC',
'#6633FF',
'#66CC00',
'#66CC33',
'#9900CC',
'#9900FF',
'#9933CC',
'#9933FF',
'#99CC00',
'#99CC33',
'#CC0000',
'#CC0033',
'#CC0066',
'#CC0099',
'#CC00CC',
'#CC00FF',
'#CC3300',
'#CC3333',
'#CC3366',
'#CC3399',
'#CC33CC',
'#CC33FF',
'#CC6600',
'#CC6633',
'#CC9900',
'#CC9933',
'#CCCC00',
'#CCCC33',
'#FF0000',
'#FF0033',
'#FF0066',
'#FF0099',
'#FF00CC',
'#FF00FF',
'#FF3300',
'#FF3333',
'#FF3366',
'#FF3399',
'#FF33CC',
'#FF33FF',
'#FF6600',
'#FF6633',
'#FF9900',
'#FF9933',
'#FFCC00',
'#FFCC33'
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
// eslint-disable-next-line complexity
function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
return true;
}
// Internet Explorer and Edge do not support colors.
if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
return false;
}
let m;
// Is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
// Is firebug? http://stackoverflow.com/a/398120/376773
(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
// Is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
(typeof navigator !== 'undefined' && navigator.userAgent && (m = navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)) && parseInt(m[1], 10) >= 31) ||
// Double check webkit in userAgent just in case we are in a worker
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') +
this.namespace +
(this.useColors ? ' %c' : ' ') +
args[0] +
(this.useColors ? '%c ' : ' ') +
'+' + module.exports.humanize(this.diff);
if (!this.useColors) {
return;
}
const c = 'color: ' + this.color;
args.splice(1, 0, c, 'color: inherit');
// The final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
let index = 0;
let lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, match => {
if (match === '%%') {
return;
}
index++;
if (match === '%c') {
// We only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.debug()` when available.
* No-op when `console.debug` is not a "function".
* If `console.debug` is not available, falls back
* to `console.log`.
*
* @api public
*/
exports.log = console.debug || console.log || (() => {});
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
let r;
try {
r = exports.storage.getItem('debug');
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== 'undefined' && 'env' in process) {
r = process.env.DEBUG;
}
return r;
}
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};

274
nodeJS/Learning/01/node_modules/debug/src/common.js generated vendored
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@ -1,274 +0,0 @@
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require('ms');
createDebug.destroy = destroy;
Object.keys(env).forEach(key => {
createDebug[key] = env[key];
});
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
let hash = 0;
for (let i = 0; i < namespace.length; i++) {
hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
let prevTime;
let enableOverride = null;
let namespacesCache;
let enabledCache;
function debug(...args) {
// Disabled?
if (!debug.enabled) {
return;
}
const self = debug;
// Set `diff` timestamp
const curr = Number(new Date());
const ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// Anything else let's inspect with %O
args.unshift('%O');
}
// Apply any `formatters` transformations
let index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
// If we encounter an escaped % then don't increase the array index
if (match === '%%') {
return '%';
}
index++;
const formatter = createDebug.formatters[format];
if (typeof formatter === 'function') {
const val = args[index];
match = formatter.call(self, val);
// Now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
});
// Apply env-specific formatting (colors, etc.)
createDebug.formatArgs.call(self, args);
const logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.useColors = createDebug.useColors();
debug.color = createDebug.selectColor(namespace);
debug.extend = extend;
debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
Object.defineProperty(debug, 'enabled', {
enumerable: true,
configurable: false,
get: () => {
if (enableOverride !== null) {
return enableOverride;
}
if (namespacesCache !== createDebug.namespaces) {
namespacesCache = createDebug.namespaces;
enabledCache = createDebug.enabled(namespace);
}
return enabledCache;
},
set: v => {
enableOverride = v;
}
});
// Env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
return debug;
}
function extend(namespace, delimiter) {
const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.namespaces = namespaces;
createDebug.names = [];
createDebug.skips = [];
let i;
const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
const len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
const namespaces = [
...createDebug.names.map(toNamespace),
...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
].join(',');
createDebug.enable('');
return namespaces;
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
if (name[name.length - 1] === '*') {
return true;
}
let i;
let len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Convert regexp to namespace
*
* @param {RegExp} regxep
* @return {String} namespace
* @api private
*/
function toNamespace(regexp) {
return regexp.toString()
.substring(2, regexp.toString().length - 2)
.replace(/\.\*\?$/, '*');
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
/**
* XXX DO NOT USE. This is a temporary stub function.
* XXX It WILL be removed in the next major release.
*/
function destroy() {
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;

10
nodeJS/Learning/01/node_modules/debug/src/index.js generated vendored
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@ -1,10 +0,0 @@
/**
* Detect Electron renderer / nwjs process, which is node, but we should
* treat as a browser.
*/
if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
module.exports = require('./browser.js');
} else {
module.exports = require('./node.js');
}

263
nodeJS/Learning/01/node_modules/debug/src/node.js generated vendored
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@ -1,263 +0,0 @@
/**
* Module dependencies.
*/
const tty = require('tty');
const util = require('util');
/**
* This is the Node.js implementation of `debug()`.
*/
exports.init = init;
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.destroy = util.deprecate(
() => {},
'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'
);
/**
* Colors.
*/
exports.colors = [6, 2, 3, 4, 5, 1];
try {
// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
// eslint-disable-next-line import/no-extraneous-dependencies
const supportsColor = require('supports-color');
if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
exports.colors = [
20,
21,
26,
27,
32,
33,
38,
39,
40,
41,
42,
43,
44,
45,
56,
57,
62,
63,
68,
69,
74,
75,
76,
77,
78,
79,
80,
81,
92,
93,
98,
99,
112,
113,
128,
129,
134,
135,
148,
149,
160,
161,
162,
163,
164,
165,
166,
167,
168,
169,
170,
171,
172,
173,
178,
179,
184,
185,
196,
197,
198,
199,
200,
201,
202,
203,
204,
205,
206,
207,
208,
209,
214,
215,
220,
221
];
}
} catch (error) {
// Swallow - we only care if `supports-color` is available; it doesn't have to be.
}
/**
* Build up the default `inspectOpts` object from the environment variables.
*
* $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
*/
exports.inspectOpts = Object.keys(process.env).filter(key => {
return /^debug_/i.test(key);
}).reduce((obj, key) => {
// Camel-case
const prop = key
.substring(6)
.toLowerCase()
.replace(/_([a-z])/g, (_, k) => {
return k.toUpperCase();
});
// Coerce string value into JS value
let val = process.env[key];
if (/^(yes|on|true|enabled)$/i.test(val)) {
val = true;
} else if (/^(no|off|false|disabled)$/i.test(val)) {
val = false;
} else if (val === 'null') {
val = null;
} else {
val = Number(val);
}
obj[prop] = val;
return obj;
}, {});
/**
* Is stdout a TTY? Colored output is enabled when `true`.
*/
function useColors() {
return 'colors' in exports.inspectOpts ?
Boolean(exports.inspectOpts.colors) :
tty.isatty(process.stderr.fd);
}
/**
* Adds ANSI color escape codes if enabled.
*
* @api public
*/
function formatArgs(args) {
const {namespace: name, useColors} = this;
if (useColors) {
const c = this.color;
const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
const prefix = ` ${colorCode};1m${name} \u001B[0m`;
args[0] = prefix + args[0].split('\n').join('\n' + prefix);
args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
} else {
args[0] = getDate() + name + ' ' + args[0];
}
}
function getDate() {
if (exports.inspectOpts.hideDate) {
return '';
}
return new Date().toISOString() + ' ';
}
/**
* Invokes `util.formatWithOptions()` with the specified arguments and writes to stderr.
*/
function log(...args) {
return process.stderr.write(util.formatWithOptions(exports.inspectOpts, ...args) + '\n');
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
if (namespaces) {
process.env.DEBUG = namespaces;
} else {
// If you set a process.env field to null or undefined, it gets cast to the
// string 'null' or 'undefined'. Just delete instead.
delete process.env.DEBUG;
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
return process.env.DEBUG;
}
/**
* Init logic for `debug` instances.
*
* Create a new `inspectOpts` object in case `useColors` is set
* differently for a particular `debug` instance.
*/
function init(debug) {
debug.inspectOpts = {};
const keys = Object.keys(exports.inspectOpts);
for (let i = 0; i < keys.length; i++) {
debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %o to `util.inspect()`, all on a single line.
*/
formatters.o = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts)
.split('\n')
.map(str => str.trim())
.join(' ');
};
/**
* Map %O to `util.inspect()`, allowing multiple lines if needed.
*/
formatters.O = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts);
};

21
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@ -1,21 +0,0 @@
The MIT License (MIT)
Copyright (c) 2014-present, Jon Schlinkert.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

237
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# fill-range [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=W8YFZ425KND68) [![NPM version](https://img.shields.io/npm/v/fill-range.svg?style=flat)](https://www.npmjs.com/package/fill-range) [![NPM monthly downloads](https://img.shields.io/npm/dm/fill-range.svg?style=flat)](https://npmjs.org/package/fill-range) [![NPM total downloads](https://img.shields.io/npm/dt/fill-range.svg?style=flat)](https://npmjs.org/package/fill-range) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/fill-range.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/fill-range)
> Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`
Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save fill-range
```
## Usage
Expands numbers and letters, optionally using a `step` as the last argument. _(Numbers may be defined as JavaScript numbers or strings)_.
```js
const fill = require('fill-range');
// fill(from, to[, step, options]);
console.log(fill('1', '10')); //=> ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10']
console.log(fill('1', '10', { toRegex: true })); //=> [1-9]|10
```
**Params**
* `from`: **{String|Number}** the number or letter to start with
* `to`: **{String|Number}** the number or letter to end with
* `step`: **{String|Number|Object|Function}** Optionally pass a [step](#optionsstep) to use.
* `options`: **{Object|Function}**: See all available [options](#options)
## Examples
By default, an array of values is returned.
**Alphabetical ranges**
```js
console.log(fill('a', 'e')); //=> ['a', 'b', 'c', 'd', 'e']
console.log(fill('A', 'E')); //=> [ 'A', 'B', 'C', 'D', 'E' ]
```
**Numerical ranges**
Numbers can be defined as actual numbers or strings.
```js
console.log(fill(1, 5)); //=> [ 1, 2, 3, 4, 5 ]
console.log(fill('1', '5')); //=> [ 1, 2, 3, 4, 5 ]
```
**Negative ranges**
Numbers can be defined as actual numbers or strings.
```js
console.log(fill('-5', '-1')); //=> [ '-5', '-4', '-3', '-2', '-1' ]
console.log(fill('-5', '5')); //=> [ '-5', '-4', '-3', '-2', '-1', '0', '1', '2', '3', '4', '5' ]
```
**Steps (increments)**
```js
// numerical ranges with increments
console.log(fill('0', '25', 4)); //=> [ '0', '4', '8', '12', '16', '20', '24' ]
console.log(fill('0', '25', 5)); //=> [ '0', '5', '10', '15', '20', '25' ]
console.log(fill('0', '25', 6)); //=> [ '0', '6', '12', '18', '24' ]
// alphabetical ranges with increments
console.log(fill('a', 'z', 4)); //=> [ 'a', 'e', 'i', 'm', 'q', 'u', 'y' ]
console.log(fill('a', 'z', 5)); //=> [ 'a', 'f', 'k', 'p', 'u', 'z' ]
console.log(fill('a', 'z', 6)); //=> [ 'a', 'g', 'm', 's', 'y' ]
```
## Options
### options.step
**Type**: `number` (formatted as a string or number)
**Default**: `undefined`
**Description**: The increment to use for the range. Can be used with letters or numbers.
**Example(s)**
```js
// numbers
console.log(fill('1', '10', 2)); //=> [ '1', '3', '5', '7', '9' ]
console.log(fill('1', '10', 3)); //=> [ '1', '4', '7', '10' ]
console.log(fill('1', '10', 4)); //=> [ '1', '5', '9' ]
// letters
console.log(fill('a', 'z', 5)); //=> [ 'a', 'f', 'k', 'p', 'u', 'z' ]
console.log(fill('a', 'z', 7)); //=> [ 'a', 'h', 'o', 'v' ]
console.log(fill('a', 'z', 9)); //=> [ 'a', 'j', 's' ]
```
### options.strictRanges
**Type**: `boolean`
**Default**: `false`
**Description**: By default, `null` is returned when an invalid range is passed. Enable this option to throw a `RangeError` on invalid ranges.
**Example(s)**
The following are all invalid:
```js
fill('1.1', '2'); // decimals not supported in ranges
fill('a', '2'); // incompatible range values
fill(1, 10, 'foo'); // invalid "step" argument
```
### options.stringify
**Type**: `boolean`
**Default**: `undefined`
**Description**: Cast all returned values to strings. By default, integers are returned as numbers.
**Example(s)**
```js
console.log(fill(1, 5)); //=> [ 1, 2, 3, 4, 5 ]
console.log(fill(1, 5, { stringify: true })); //=> [ '1', '2', '3', '4', '5' ]
```
### options.toRegex
**Type**: `boolean`
**Default**: `undefined`
**Description**: Create a regex-compatible source string, instead of expanding values to an array.
**Example(s)**
```js
// alphabetical range
console.log(fill('a', 'e', { toRegex: true })); //=> '[a-e]'
// alphabetical with step
console.log(fill('a', 'z', 3, { toRegex: true })); //=> 'a|d|g|j|m|p|s|v|y'
// numerical range
console.log(fill('1', '100', { toRegex: true })); //=> '[1-9]|[1-9][0-9]|100'
// numerical range with zero padding
console.log(fill('000001', '100000', { toRegex: true }));
//=> '0{5}[1-9]|0{4}[1-9][0-9]|0{3}[1-9][0-9]{2}|0{2}[1-9][0-9]{3}|0[1-9][0-9]{4}|100000'
```
### options.transform
**Type**: `function`
**Default**: `undefined`
**Description**: Customize each value in the returned array (or [string](#optionstoRegex)). _(you can also pass this function as the last argument to `fill()`)_.
**Example(s)**
```js
// add zero padding
console.log(fill(1, 5, value => String(value).padStart(4, '0')));
//=> ['0001', '0002', '0003', '0004', '0005']
```
## About
<details>
<summary><strong>Contributing</strong></summary>
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
</details>
<details>
<summary><strong>Running Tests</strong></summary>
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
```sh
$ npm install && npm test
```
</details>
<details>
<summary><strong>Building docs</strong></summary>
_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
To generate the readme, run the following command:
```sh
$ npm install -g verbose/verb#dev verb-generate-readme && verb
```
</details>
### Contributors
| **Commits** | **Contributor** |
| --- | --- |
| 116 | [jonschlinkert](https://github.com/jonschlinkert) |
| 4 | [paulmillr](https://github.com/paulmillr) |
| 2 | [realityking](https://github.com/realityking) |
| 2 | [bluelovers](https://github.com/bluelovers) |
| 1 | [edorivai](https://github.com/edorivai) |
| 1 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
### Author
**Jon Schlinkert**
* [GitHub Profile](https://github.com/jonschlinkert)
* [Twitter Profile](https://twitter.com/jonschlinkert)
* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
Please consider supporting me on Patreon, or [start your own Patreon page](https://patreon.com/invite/bxpbvm)!
<a href="https://www.patreon.com/jonschlinkert">
<img src="https://c5.patreon.com/external/logo/become_a_patron_button@2x.png" height="50">
</a>
### License
Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
Released under the [MIT License](LICENSE).
***
_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on April 08, 2019._

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/*!
* fill-range <https://github.com/jonschlinkert/fill-range>
*
* Copyright (c) 2014-present, Jon Schlinkert.
* Licensed under the MIT License.
*/
'use strict';
const util = require('util');
const toRegexRange = require('to-regex-range');
const isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
const transform = toNumber => {
return value => toNumber === true ? Number(value) : String(value);
};
const isValidValue = value => {
return typeof value === 'number' || (typeof value === 'string' && value !== '');
};
const isNumber = num => Number.isInteger(+num);
const zeros = input => {
let value = `${input}`;
let index = -1;
if (value[0] === '-') value = value.slice(1);
if (value === '0') return false;
while (value[++index] === '0');
return index > 0;
};
const stringify = (start, end, options) => {
if (typeof start === 'string' || typeof end === 'string') {
return true;
}
return options.stringify === true;
};
const pad = (input, maxLength, toNumber) => {
if (maxLength > 0) {
let dash = input[0] === '-' ? '-' : '';
if (dash) input = input.slice(1);
input = (dash + input.padStart(dash ? maxLength - 1 : maxLength, '0'));
}
if (toNumber === false) {
return String(input);
}
return input;
};
const toMaxLen = (input, maxLength) => {
let negative = input[0] === '-' ? '-' : '';
if (negative) {
input = input.slice(1);
maxLength--;
}
while (input.length < maxLength) input = '0' + input;
return negative ? ('-' + input) : input;
};
const toSequence = (parts, options, maxLen) => {
parts.negatives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
parts.positives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
let prefix = options.capture ? '' : '?:';
let positives = '';
let negatives = '';
let result;
if (parts.positives.length) {
positives = parts.positives.map(v => toMaxLen(String(v), maxLen)).join('|');
}
if (parts.negatives.length) {
negatives = `-(${prefix}${parts.negatives.map(v => toMaxLen(String(v), maxLen)).join('|')})`;
}
if (positives && negatives) {
result = `${positives}|${negatives}`;
} else {
result = positives || negatives;
}
if (options.wrap) {
return `(${prefix}${result})`;
}
return result;
};
const toRange = (a, b, isNumbers, options) => {
if (isNumbers) {
return toRegexRange(a, b, { wrap: false, ...options });
}
let start = String.fromCharCode(a);
if (a === b) return start;
let stop = String.fromCharCode(b);
return `[${start}-${stop}]`;
};
const toRegex = (start, end, options) => {
if (Array.isArray(start)) {
let wrap = options.wrap === true;
let prefix = options.capture ? '' : '?:';
return wrap ? `(${prefix}${start.join('|')})` : start.join('|');
}
return toRegexRange(start, end, options);
};
const rangeError = (...args) => {
return new RangeError('Invalid range arguments: ' + util.inspect(...args));
};
const invalidRange = (start, end, options) => {
if (options.strictRanges === true) throw rangeError([start, end]);
return [];
};
const invalidStep = (step, options) => {
if (options.strictRanges === true) {
throw new TypeError(`Expected step "${step}" to be a number`);
}
return [];
};
const fillNumbers = (start, end, step = 1, options = {}) => {
let a = Number(start);
let b = Number(end);
if (!Number.isInteger(a) || !Number.isInteger(b)) {
if (options.strictRanges === true) throw rangeError([start, end]);
return [];
}
// fix negative zero
if (a === 0) a = 0;
if (b === 0) b = 0;
let descending = a > b;
let startString = String(start);
let endString = String(end);
let stepString = String(step);
step = Math.max(Math.abs(step), 1);
let padded = zeros(startString) || zeros(endString) || zeros(stepString);
let maxLen = padded ? Math.max(startString.length, endString.length, stepString.length) : 0;
let toNumber = padded === false && stringify(start, end, options) === false;
let format = options.transform || transform(toNumber);
if (options.toRegex && step === 1) {
return toRange(toMaxLen(start, maxLen), toMaxLen(end, maxLen), true, options);
}
let parts = { negatives: [], positives: [] };
let push = num => parts[num < 0 ? 'negatives' : 'positives'].push(Math.abs(num));
let range = [];
let index = 0;
while (descending ? a >= b : a <= b) {
if (options.toRegex === true && step > 1) {
push(a);
} else {
range.push(pad(format(a, index), maxLen, toNumber));
}
a = descending ? a - step : a + step;
index++;
}
if (options.toRegex === true) {
return step > 1
? toSequence(parts, options, maxLen)
: toRegex(range, null, { wrap: false, ...options });
}
return range;
};
const fillLetters = (start, end, step = 1, options = {}) => {
if ((!isNumber(start) && start.length > 1) || (!isNumber(end) && end.length > 1)) {
return invalidRange(start, end, options);
}
let format = options.transform || (val => String.fromCharCode(val));
let a = `${start}`.charCodeAt(0);
let b = `${end}`.charCodeAt(0);
let descending = a > b;
let min = Math.min(a, b);
let max = Math.max(a, b);
if (options.toRegex && step === 1) {
return toRange(min, max, false, options);
}
let range = [];
let index = 0;
while (descending ? a >= b : a <= b) {
range.push(format(a, index));
a = descending ? a - step : a + step;
index++;
}
if (options.toRegex === true) {
return toRegex(range, null, { wrap: false, options });
}
return range;
};
const fill = (start, end, step, options = {}) => {
if (end == null && isValidValue(start)) {
return [start];
}
if (!isValidValue(start) || !isValidValue(end)) {
return invalidRange(start, end, options);
}
if (typeof step === 'function') {
return fill(start, end, 1, { transform: step });
}
if (isObject(step)) {
return fill(start, end, 0, step);
}
let opts = { ...options };
if (opts.capture === true) opts.wrap = true;
step = step || opts.step || 1;
if (!isNumber(step)) {
if (step != null && !isObject(step)) return invalidStep(step, opts);
return fill(start, end, 1, step);
}
if (isNumber(start) && isNumber(end)) {
return fillNumbers(start, end, step, opts);
}
return fillLetters(start, end, Math.max(Math.abs(step), 1), opts);
};
module.exports = fill;

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nodeJS/Learning/01/node_modules/fill-range/package.json generated vendored
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{
"name": "fill-range",
"description": "Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`",
"version": "7.1.1",
"homepage": "https://github.com/jonschlinkert/fill-range",
"author": "Jon Schlinkert (https://github.com/jonschlinkert)",
"contributors": [
"Edo Rivai (edo.rivai.nl)",
"Jon Schlinkert (http://twitter.com/jonschlinkert)",
"Paul Miller (paulmillr.com)",
"Rouven Weßling (www.rouvenwessling.de)",
"(https://github.com/wtgtybhertgeghgtwtg)"
],
"repository": "jonschlinkert/fill-range",
"bugs": {
"url": "https://github.com/jonschlinkert/fill-range/issues"
},
"license": "MIT",
"files": [
"index.js"
],
"main": "index.js",
"engines": {
"node": ">=8"
},
"scripts": {
"lint": "eslint --cache --cache-location node_modules/.cache/.eslintcache --report-unused-disable-directives --ignore-path .gitignore .",
"mocha": "mocha --reporter dot",
"test": "npm run lint && npm run mocha",
"test:ci": "npm run test:cover",
"test:cover": "nyc npm run mocha"
},
"dependencies": {
"to-regex-range": "^5.0.1"
},
"devDependencies": {
"gulp-format-md": "^2.0.0",
"mocha": "^6.1.1",
"nyc": "^15.1.0"
},
"keywords": [
"alpha",
"alphabetical",
"array",
"bash",
"brace",
"expand",
"expansion",
"fill",
"glob",
"match",
"matches",
"matching",
"number",
"numerical",
"range",
"ranges",
"regex",
"sh"
],
"verb": {
"toc": false,
"layout": "default",
"tasks": [
"readme"
],
"plugins": [
"gulp-format-md"
],
"lint": {
"reflinks": true
}
}
}

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### [5.1.2](https://github.com/gulpjs/glob-parent/compare/v5.1.1...v5.1.2) (2021-03-06)
### Bug Fixes
* eliminate ReDoS ([#36](https://github.com/gulpjs/glob-parent/issues/36)) ([f923116](https://github.com/gulpjs/glob-parent/commit/f9231168b0041fea3f8f954b3cceb56269fc6366))
### [5.1.1](https://github.com/gulpjs/glob-parent/compare/v5.1.0...v5.1.1) (2021-01-27)
### Bug Fixes
* unescape exclamation mark ([#26](https://github.com/gulpjs/glob-parent/issues/26)) ([a98874f](https://github.com/gulpjs/glob-parent/commit/a98874f1a59e407f4fb1beb0db4efa8392da60bb))
## [5.1.0](https://github.com/gulpjs/glob-parent/compare/v5.0.0...v5.1.0) (2021-01-27)
### Features
* add `flipBackslashes` option to disable auto conversion of slashes (closes [#24](https://github.com/gulpjs/glob-parent/issues/24)) ([#25](https://github.com/gulpjs/glob-parent/issues/25)) ([eecf91d](https://github.com/gulpjs/glob-parent/commit/eecf91d5e3834ed78aee39c4eaaae654d76b87b3))
## [5.0.0](https://github.com/gulpjs/glob-parent/compare/v4.0.0...v5.0.0) (2021-01-27)
### ⚠ BREAKING CHANGES
* Drop support for node <6 & bump dependencies
### Miscellaneous Chores
* Drop support for node <6 & bump dependencies ([896c0c0](https://github.com/gulpjs/glob-parent/commit/896c0c00b4e7362f60b96e7fc295ae929245255a))
## [4.0.0](https://github.com/gulpjs/glob-parent/compare/v3.1.0...v4.0.0) (2021-01-27)
### ⚠ BREAKING CHANGES
* question marks are valid path characters on Windows so avoid flagging as a glob when alone
* Update is-glob dependency
### Features
* hoist regexps and strings for performance gains ([4a80667](https://github.com/gulpjs/glob-parent/commit/4a80667c69355c76a572a5892b0f133c8e1f457e))
* question marks are valid path characters on Windows so avoid flagging as a glob when alone ([2a551dd](https://github.com/gulpjs/glob-parent/commit/2a551dd0dc3235e78bf3c94843d4107072d17841))
* Update is-glob dependency ([e41fcd8](https://github.com/gulpjs/glob-parent/commit/e41fcd895d1f7bc617dba45c9d935a7949b9c281))
## [3.1.0](https://github.com/gulpjs/glob-parent/compare/v3.0.1...v3.1.0) (2021-01-27)
### Features
* allow basic win32 backslash use ([272afa5](https://github.com/gulpjs/glob-parent/commit/272afa5fd070fc0f796386a5993d4ee4a846988b))
* handle extglobs (parentheses) containing separators ([7db1bdb](https://github.com/gulpjs/glob-parent/commit/7db1bdb0756e55fd14619e8ce31aa31b17b117fd))
* new approach to braces/brackets handling ([8269bd8](https://github.com/gulpjs/glob-parent/commit/8269bd89290d99fac9395a354fb56fdcdb80f0be))
* pre-process braces/brackets sections ([9ef8a87](https://github.com/gulpjs/glob-parent/commit/9ef8a87f66b1a43d0591e7a8e4fc5a18415ee388))
* preserve escaped brace/bracket at end of string ([8cfb0ba](https://github.com/gulpjs/glob-parent/commit/8cfb0ba84202d51571340dcbaf61b79d16a26c76))
### Bug Fixes
* trailing escaped square brackets ([99ec9fe](https://github.com/gulpjs/glob-parent/commit/99ec9fecc60ee488ded20a94dd4f18b4f55c4ccf))
### [3.0.1](https://github.com/gulpjs/glob-parent/compare/v3.0.0...v3.0.1) (2021-01-27)
### Features
* use path-dirname ponyfill ([cdbea5f](https://github.com/gulpjs/glob-parent/commit/cdbea5f32a58a54e001a75ddd7c0fccd4776aacc))
### Bug Fixes
* unescape glob-escaped dirnames on output ([598c533](https://github.com/gulpjs/glob-parent/commit/598c533bdf49c1428bc063aa9b8db40c5a86b030))
## [3.0.0](https://github.com/gulpjs/glob-parent/compare/v2.0.0...v3.0.0) (2021-01-27)
### ⚠ BREAKING CHANGES
* update is-glob dependency
### Features
* update is-glob dependency ([5c5f8ef](https://github.com/gulpjs/glob-parent/commit/5c5f8efcee362a8e7638cf8220666acd8784f6bd))
## [2.0.0](https://github.com/gulpjs/glob-parent/compare/v1.3.0...v2.0.0) (2021-01-27)
### Features
* move up to dirname regardless of glob characters ([f97fb83](https://github.com/gulpjs/glob-parent/commit/f97fb83be2e0a9fc8d3b760e789d2ecadd6aa0c2))
## [1.3.0](https://github.com/gulpjs/glob-parent/compare/v1.2.0...v1.3.0) (2021-01-27)
## [1.2.0](https://github.com/gulpjs/glob-parent/compare/v1.1.0...v1.2.0) (2021-01-27)
### Reverts
* feat: make regex test strings smaller ([dc80fa9](https://github.com/gulpjs/glob-parent/commit/dc80fa9658dca20549cfeba44bbd37d5246fcce0))
## [1.1.0](https://github.com/gulpjs/glob-parent/compare/v1.0.0...v1.1.0) (2021-01-27)
### Features
* make regex test strings smaller ([cd83220](https://github.com/gulpjs/glob-parent/commit/cd832208638f45169f986d80fcf66e401f35d233))
## 1.0.0 (2021-01-27)

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The ISC License
Copyright (c) 2015, 2019 Elan Shanker
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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<p align="center">
<a href="https://gulpjs.com">
<img height="257" width="114" src="https://raw.githubusercontent.com/gulpjs/artwork/master/gulp-2x.png">
</a>
</p>
# glob-parent
[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Azure Pipelines Build Status][azure-pipelines-image]][azure-pipelines-url] [![Travis Build Status][travis-image]][travis-url] [![AppVeyor Build Status][appveyor-image]][appveyor-url] [![Coveralls Status][coveralls-image]][coveralls-url] [![Gitter chat][gitter-image]][gitter-url]
Extract the non-magic parent path from a glob string.
## Usage
```js
var globParent = require('glob-parent');
globParent('path/to/*.js'); // 'path/to'
globParent('/root/path/to/*.js'); // '/root/path/to'
globParent('/*.js'); // '/'
globParent('*.js'); // '.'
globParent('**/*.js'); // '.'
globParent('path/{to,from}'); // 'path'
globParent('path/!(to|from)'); // 'path'
globParent('path/?(to|from)'); // 'path'
globParent('path/+(to|from)'); // 'path'
globParent('path/*(to|from)'); // 'path'
globParent('path/@(to|from)'); // 'path'
globParent('path/**/*'); // 'path'
// if provided a non-glob path, returns the nearest dir
globParent('path/foo/bar.js'); // 'path/foo'
globParent('path/foo/'); // 'path/foo'
globParent('path/foo'); // 'path' (see issue #3 for details)
```
## API
### `globParent(maybeGlobString, [options])`
Takes a string and returns the part of the path before the glob begins. Be aware of Escaping rules and Limitations below.
#### options
```js
{
// Disables the automatic conversion of slashes for Windows
flipBackslashes: true
}
```
## Escaping
The following characters have special significance in glob patterns and must be escaped if you want them to be treated as regular path characters:
- `?` (question mark) unless used as a path segment alone
- `*` (asterisk)
- `|` (pipe)
- `(` (opening parenthesis)
- `)` (closing parenthesis)
- `{` (opening curly brace)
- `}` (closing curly brace)
- `[` (opening bracket)
- `]` (closing bracket)
**Example**
```js
globParent('foo/[bar]/') // 'foo'
globParent('foo/\\[bar]/') // 'foo/[bar]'
```
## Limitations
### Braces & Brackets
This library attempts a quick and imperfect method of determining which path
parts have glob magic without fully parsing/lexing the pattern. There are some
advanced use cases that can trip it up, such as nested braces where the outer
pair is escaped and the inner one contains a path separator. If you find
yourself in the unlikely circumstance of being affected by this or need to
ensure higher-fidelity glob handling in your library, it is recommended that you
pre-process your input with [expand-braces] and/or [expand-brackets].
### Windows
Backslashes are not valid path separators for globs. If a path with backslashes
is provided anyway, for simple cases, glob-parent will replace the path
separator for you and return the non-glob parent path (now with
forward-slashes, which are still valid as Windows path separators).
This cannot be used in conjunction with escape characters.
```js
// BAD
globParent('C:\\Program Files \\(x86\\)\\*.ext') // 'C:/Program Files /(x86/)'
// GOOD
globParent('C:/Program Files\\(x86\\)/*.ext') // 'C:/Program Files (x86)'
```
If you are using escape characters for a pattern without path parts (i.e.
relative to `cwd`), prefix with `./` to avoid confusing glob-parent.
```js
// BAD
globParent('foo \\[bar]') // 'foo '
globParent('foo \\[bar]*') // 'foo '
// GOOD
globParent('./foo \\[bar]') // 'foo [bar]'
globParent('./foo \\[bar]*') // '.'
```
## License
ISC
[expand-braces]: https://github.com/jonschlinkert/expand-braces
[expand-brackets]: https://github.com/jonschlinkert/expand-brackets
[downloads-image]: https://img.shields.io/npm/dm/glob-parent.svg
[npm-url]: https://www.npmjs.com/package/glob-parent
[npm-image]: https://img.shields.io/npm/v/glob-parent.svg
[azure-pipelines-url]: https://dev.azure.com/gulpjs/gulp/_build/latest?definitionId=2&branchName=master
[azure-pipelines-image]: https://dev.azure.com/gulpjs/gulp/_apis/build/status/glob-parent?branchName=master
[travis-url]: https://travis-ci.org/gulpjs/glob-parent
[travis-image]: https://img.shields.io/travis/gulpjs/glob-parent.svg?label=travis-ci
[appveyor-url]: https://ci.appveyor.com/project/gulpjs/glob-parent
[appveyor-image]: https://img.shields.io/appveyor/ci/gulpjs/glob-parent.svg?label=appveyor
[coveralls-url]: https://coveralls.io/r/gulpjs/glob-parent
[coveralls-image]: https://img.shields.io/coveralls/gulpjs/glob-parent/master.svg
[gitter-url]: https://gitter.im/gulpjs/gulp
[gitter-image]: https://badges.gitter.im/gulpjs/gulp.svg

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