diff options
Diffstat (limited to 'node_modules/jsesc/jsesc.js')
| -rw-r--r-- | node_modules/jsesc/jsesc.js | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/node_modules/jsesc/jsesc.js b/node_modules/jsesc/jsesc.js deleted file mode 100644 index 0f6a4b68..00000000 --- a/node_modules/jsesc/jsesc.js +++ /dev/null @@ -1,318 +0,0 @@ -'use strict'; - -const object = {}; -const hasOwnProperty = object.hasOwnProperty; -const forOwn = (object, callback) => { - for (const key in object) { - if (hasOwnProperty.call(object, key)) { - callback(key, object[key]); - } - } -}; - -const extend = (destination, source) => { - if (!source) { - return destination; - } - forOwn(source, (key, value) => { - destination[key] = value; - }); - return destination; -}; - -const forEach = (array, callback) => { - const length = array.length; - let index = -1; - while (++index < length) { - callback(array[index]); - } -}; - -const fourHexEscape = (hex) => { - return '\\u' + ('0000' + hex).slice(-4); -} - -const hexadecimal = (code, lowercase) => { - let hexadecimal = code.toString(16); - if (lowercase) return hexadecimal; - return hexadecimal.toUpperCase(); -}; - -const toString = object.toString; -const isArray = Array.isArray; -const isBuffer = (value) => { - return typeof Buffer === 'function' && Buffer.isBuffer(value); -}; -const isObject = (value) => { - // This is a very simple check, but it’s good enough for what we need. - return toString.call(value) == '[object Object]'; -}; -const isString = (value) => { - return typeof value == 'string' || - toString.call(value) == '[object String]'; -}; -const isNumber = (value) => { - return typeof value == 'number' || - toString.call(value) == '[object Number]'; -}; -const isFunction = (value) => { - return typeof value == 'function'; -}; -const isMap = (value) => { - return toString.call(value) == '[object Map]'; -}; -const isSet = (value) => { - return toString.call(value) == '[object Set]'; -}; - -/*--------------------------------------------------------------------------*/ - -// https://mathiasbynens.be/notes/javascript-escapes#single -const singleEscapes = { - '\\': '\\\\', - '\b': '\\b', - '\f': '\\f', - '\n': '\\n', - '\r': '\\r', - '\t': '\\t' - // `\v` is omitted intentionally, because in IE < 9, '\v' == 'v'. - // '\v': '\\x0B' -}; -const regexSingleEscape = /[\\\b\f\n\r\t]/; - -const regexDigit = /[0-9]/; -const regexWhitespace = /[\xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000]/; - -const escapeEverythingRegex = /([\uD800-\uDBFF][\uDC00-\uDFFF])|([\uD800-\uDFFF])|(['"`])|[^]/g; -const escapeNonAsciiRegex = /([\uD800-\uDBFF][\uDC00-\uDFFF])|([\uD800-\uDFFF])|(['"`])|[^ !#-&\(-\[\]-_a-~]/g; - -const jsesc = (argument, options) => { - const increaseIndentation = () => { - oldIndent = indent; - ++options.indentLevel; - indent = options.indent.repeat(options.indentLevel) - }; - // Handle options - const defaults = { - 'escapeEverything': false, - 'minimal': false, - 'isScriptContext': false, - 'quotes': 'single', - 'wrap': false, - 'es6': false, - 'json': false, - 'compact': true, - 'lowercaseHex': false, - 'numbers': 'decimal', - 'indent': '\t', - 'indentLevel': 0, - '__inline1__': false, - '__inline2__': false - }; - const json = options && options.json; - if (json) { - defaults.quotes = 'double'; - defaults.wrap = true; - } - options = extend(defaults, options); - if ( - options.quotes != 'single' && - options.quotes != 'double' && - options.quotes != 'backtick' - ) { - options.quotes = 'single'; - } - const quote = options.quotes == 'double' ? - '"' : - (options.quotes == 'backtick' ? - '`' : - '\'' - ); - const compact = options.compact; - const lowercaseHex = options.lowercaseHex; - let indent = options.indent.repeat(options.indentLevel); - let oldIndent = ''; - const inline1 = options.__inline1__; - const inline2 = options.__inline2__; - const newLine = compact ? '' : '\n'; - let result; - let isEmpty = true; - const useBinNumbers = options.numbers == 'binary'; - const useOctNumbers = options.numbers == 'octal'; - const useDecNumbers = options.numbers == 'decimal'; - const useHexNumbers = options.numbers == 'hexadecimal'; - - if (json && argument && isFunction(argument.toJSON)) { - argument = argument.toJSON(); - } - - if (!isString(argument)) { - if (isMap(argument)) { - if (argument.size == 0) { - return 'new Map()'; - } - if (!compact) { - options.__inline1__ = true; - options.__inline2__ = false; - } - return 'new Map(' + jsesc(Array.from(argument), options) + ')'; - } - if (isSet(argument)) { - if (argument.size == 0) { - return 'new Set()'; - } - return 'new Set(' + jsesc(Array.from(argument), options) + ')'; - } - if (isBuffer(argument)) { - if (argument.length == 0) { - return 'Buffer.from([])'; - } - return 'Buffer.from(' + jsesc(Array.from(argument), options) + ')'; - } - if (isArray(argument)) { - result = []; - options.wrap = true; - if (inline1) { - options.__inline1__ = false; - options.__inline2__ = true; - } - if (!inline2) { - increaseIndentation(); - } - forEach(argument, (value) => { - isEmpty = false; - if (inline2) { - options.__inline2__ = false; - } - result.push( - (compact || inline2 ? '' : indent) + - jsesc(value, options) - ); - }); - if (isEmpty) { - return '[]'; - } - if (inline2) { - return '[' + result.join(', ') + ']'; - } - return '[' + newLine + result.join(',' + newLine) + newLine + - (compact ? '' : oldIndent) + ']'; - } else if (isNumber(argument)) { - if (json) { - // Some number values (e.g. `Infinity`) cannot be represented in JSON. - return JSON.stringify(argument); - } - if (useDecNumbers) { - return String(argument); - } - if (useHexNumbers) { - let hexadecimal = argument.toString(16); - if (!lowercaseHex) { - hexadecimal = hexadecimal.toUpperCase(); - } - return '0x' + hexadecimal; - } - if (useBinNumbers) { - return '0b' + argument.toString(2); - } - if (useOctNumbers) { - return '0o' + argument.toString(8); - } - } else if (!isObject(argument)) { - if (json) { - // For some values (e.g. `undefined`, `function` objects), - // `JSON.stringify(value)` returns `undefined` (which isn’t valid - // JSON) instead of `'null'`. - return JSON.stringify(argument) || 'null'; - } - return String(argument); - } else { // it’s an object - result = []; - options.wrap = true; - increaseIndentation(); - forOwn(argument, (key, value) => { - isEmpty = false; - result.push( - (compact ? '' : indent) + - jsesc(key, options) + ':' + - (compact ? '' : ' ') + - jsesc(value, options) - ); - }); - if (isEmpty) { - return '{}'; - } - return '{' + newLine + result.join(',' + newLine) + newLine + - (compact ? '' : oldIndent) + '}'; - } - } - - const regex = options.escapeEverything ? escapeEverythingRegex : escapeNonAsciiRegex; - result = argument.replace(regex, (char, pair, lone, quoteChar, index, string) => { - if (pair) { - if (options.minimal) return pair; - const first = pair.charCodeAt(0); - const second = pair.charCodeAt(1); - if (options.es6) { - // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae - const codePoint = (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; - const hex = hexadecimal(codePoint, lowercaseHex); - return '\\u{' + hex + '}'; - } - return fourHexEscape(hexadecimal(first, lowercaseHex)) + fourHexEscape(hexadecimal(second, lowercaseHex)); - } - - if (lone) { - return fourHexEscape(hexadecimal(lone.charCodeAt(0), lowercaseHex)); - } - - if ( - char == '\0' && - !json && - !regexDigit.test(string.charAt(index + 1)) - ) { - return '\\0'; - } - - if (quoteChar) { - if (quoteChar == quote || options.escapeEverything) { - return '\\' + quoteChar; - } - return quoteChar; - } - - if (regexSingleEscape.test(char)) { - // no need for a `hasOwnProperty` check here - return singleEscapes[char]; - } - - if (options.minimal && !regexWhitespace.test(char)) { - return char; - } - - const hex = hexadecimal(char.charCodeAt(0), lowercaseHex); - if (json || hex.length > 2) { - return fourHexEscape(hex); - } - - return '\\x' + ('00' + hex).slice(-2); - }); - - if (quote == '`') { - result = result.replace(/\$\{/g, '\\${'); - } - if (options.isScriptContext) { - // https://mathiasbynens.be/notes/etago - result = result - .replace(/<\/(script|style)/gi, '<\\/$1') - .replace(/<!--/g, json ? '\\u003C!--' : '\\x3C!--'); - } - if (options.wrap) { - result = quote + result + quote; - } - return result; -}; - -jsesc.version = '3.0.2'; - -module.exports = jsesc; |
