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node_modules/jsesc/jsesc.js
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575
node_modules/jsesc/jsesc.js
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vendored
@ -3,70 +3,68 @@
|
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const object = {};
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||||
const hasOwnProperty = object.hasOwnProperty;
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const forOwn = (object, callback) => {
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||||
for (const key in object) {
|
||||
if (hasOwnProperty.call(object, key)) {
|
||||
callback(key, object[key]);
|
||||
}
|
||||
}
|
||||
for (const key in object) {
|
||||
if (hasOwnProperty.call(object, key)) {
|
||||
callback(key, object[key]);
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||||
}
|
||||
}
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};
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||||
|
||||
const extend = (destination, source) => {
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||||
if (!source) {
|
||||
return destination;
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||||
}
|
||||
forOwn(source, (key, value) => {
|
||||
destination[key] = value;
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||||
});
|
||||
return destination;
|
||||
if (!source) {
|
||||
return destination;
|
||||
}
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||||
forOwn(source, (key, value) => {
|
||||
destination[key] = value;
|
||||
});
|
||||
return destination;
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||||
};
|
||||
|
||||
const forEach = (array, callback) => {
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||||
const length = array.length;
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||||
let index = -1;
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||||
while (++index < length) {
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||||
callback(array[index]);
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||||
}
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||||
const length = array.length;
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||||
let index = -1;
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while (++index < length) {
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callback(array[index]);
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}
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||||
};
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||||
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const toString = object.toString;
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||||
const isArray = Array.isArray;
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||||
const isBuffer = Buffer.isBuffer;
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||||
const isObject = (value) => {
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||||
// This is a very simple check, but it’s good enough for what we need.
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||||
return toString.call(value) == '[object Object]';
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||||
// This is a very simple check, but it’s good enough for what we need.
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||||
return toString.call(value) == '[object Object]';
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||||
};
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||||
const isString = (value) => {
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||||
return typeof value == 'string' ||
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toString.call(value) == '[object String]';
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||||
return typeof value == 'string' || toString.call(value) == '[object String]';
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||||
};
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||||
const isNumber = (value) => {
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return typeof value == 'number' ||
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toString.call(value) == '[object Number]';
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return typeof value == 'number' || toString.call(value) == '[object Number]';
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};
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||||
const isFunction = (value) => {
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return typeof value == 'function';
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return typeof value == 'function';
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};
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const isMap = (value) => {
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return toString.call(value) == '[object Map]';
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return toString.call(value) == '[object Map]';
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};
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const isSet = (value) => {
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return toString.call(value) == '[object Set]';
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return toString.call(value) == '[object Set]';
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};
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/*--------------------------------------------------------------------------*/
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// https://mathiasbynens.be/notes/javascript-escapes#single
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const singleEscapes = {
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'"': '\\"',
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'\'': '\\\'',
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'\\': '\\\\',
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'\b': '\\b',
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'\f': '\\f',
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'\n': '\\n',
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'\r': '\\r',
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'\t': '\\t'
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// `\v` is omitted intentionally, because in IE < 9, '\v' == 'v'.
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// '\v': '\\x0B'
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'"': '\\"',
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"'": "\\'",
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'\\': '\\\\',
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'\b': '\\b',
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'\f': '\\f',
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'\n': '\\n',
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'\r': '\\r',
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'\t': '\\t',
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// `\v` is omitted intentionally, because in IE < 9, '\v' == 'v'.
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// '\v': '\\x0B'
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};
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const regexSingleEscape = /["'\\\b\f\n\r\t]/;
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@ -74,254 +72,269 @@ const regexDigit = /[0-9]/;
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const regexWhitelist = /[ !#-&\(-\[\]-_a-~]/;
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const jsesc = (argument, options) => {
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const increaseIndentation = () => {
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oldIndent = indent;
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++options.indentLevel;
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indent = options.indent.repeat(options.indentLevel)
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};
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// Handle options
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const defaults = {
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'escapeEverything': false,
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'minimal': false,
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'isScriptContext': false,
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'quotes': 'single',
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'wrap': false,
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'es6': false,
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'json': false,
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'compact': true,
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'lowercaseHex': false,
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'numbers': 'decimal',
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'indent': '\t',
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'indentLevel': 0,
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'__inline1__': false,
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'__inline2__': false
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};
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const json = options && options.json;
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if (json) {
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defaults.quotes = 'double';
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defaults.wrap = true;
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}
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options = extend(defaults, options);
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if (
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options.quotes != 'single' &&
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options.quotes != 'double' &&
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options.quotes != 'backtick'
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) {
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||||
options.quotes = 'single';
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}
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||||
const quote = options.quotes == 'double' ?
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'"' :
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(options.quotes == 'backtick' ?
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'`' :
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'\''
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||||
);
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||||
const compact = options.compact;
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||||
const lowercaseHex = options.lowercaseHex;
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||||
let indent = options.indent.repeat(options.indentLevel);
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||||
let oldIndent = '';
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||||
const inline1 = options.__inline1__;
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||||
const inline2 = options.__inline2__;
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||||
const newLine = compact ? '' : '\n';
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||||
let result;
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||||
let isEmpty = true;
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||||
const useBinNumbers = options.numbers == 'binary';
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||||
const useOctNumbers = options.numbers == 'octal';
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const useDecNumbers = options.numbers == 'decimal';
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||||
const useHexNumbers = options.numbers == 'hexadecimal';
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||||
const increaseIndentation = () => {
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||||
oldIndent = indent;
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||||
++options.indentLevel;
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||||
indent = options.indent.repeat(options.indentLevel);
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||||
};
|
||||
// Handle options
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||||
const defaults = {
|
||||
escapeEverything: false,
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||||
minimal: false,
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||||
isScriptContext: false,
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||||
quotes: 'single',
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||||
wrap: false,
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||||
es6: false,
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||||
json: false,
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||||
compact: true,
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||||
lowercaseHex: false,
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numbers: 'decimal',
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indent: '\t',
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indentLevel: 0,
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__inline1__: false,
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__inline2__: false,
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};
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const json = options && options.json;
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||||
if (json) {
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defaults.quotes = 'double';
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defaults.wrap = true;
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||||
}
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options = extend(defaults, options);
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||||
if (
|
||||
options.quotes != 'single' &&
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||||
options.quotes != 'double' &&
|
||||
options.quotes != 'backtick'
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||||
) {
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||||
options.quotes = 'single';
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||||
}
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||||
const quote =
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||||
options.quotes == 'double' ? '"'
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||||
: options.quotes == 'backtick' ? '`'
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||||
: "'";
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||||
const compact = options.compact;
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||||
const lowercaseHex = options.lowercaseHex;
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||||
let indent = options.indent.repeat(options.indentLevel);
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let oldIndent = '';
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||||
const inline1 = options.__inline1__;
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||||
const inline2 = options.__inline2__;
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||||
const newLine = compact ? '' : '\n';
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let result;
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let isEmpty = true;
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||||
const useBinNumbers = options.numbers == 'binary';
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||||
const useOctNumbers = options.numbers == 'octal';
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const useDecNumbers = options.numbers == 'decimal';
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const useHexNumbers = options.numbers == 'hexadecimal';
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||||
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if (json && argument && isFunction(argument.toJSON)) {
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argument = argument.toJSON();
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}
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if (json && argument && isFunction(argument.toJSON)) {
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||||
argument = argument.toJSON();
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||||
}
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||||
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if (!isString(argument)) {
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if (isMap(argument)) {
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if (argument.size == 0) {
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return 'new Map()';
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}
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if (!compact) {
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options.__inline1__ = true;
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options.__inline2__ = false;
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}
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return 'new Map(' + jsesc(Array.from(argument), options) + ')';
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}
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if (isSet(argument)) {
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if (argument.size == 0) {
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return 'new Set()';
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}
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return 'new Set(' + jsesc(Array.from(argument), options) + ')';
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}
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if (isBuffer(argument)) {
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if (argument.length == 0) {
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return 'Buffer.from([])';
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||||
}
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return 'Buffer.from(' + jsesc(Array.from(argument), options) + ')';
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}
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if (isArray(argument)) {
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result = [];
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options.wrap = true;
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if (inline1) {
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options.__inline1__ = false;
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options.__inline2__ = true;
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}
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if (!inline2) {
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increaseIndentation();
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}
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forEach(argument, (value) => {
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isEmpty = false;
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if (inline2) {
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options.__inline2__ = false;
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}
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result.push(
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(compact || inline2 ? '' : indent) +
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jsesc(value, options)
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);
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});
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if (isEmpty) {
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return '[]';
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||||
}
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||||
if (inline2) {
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||||
return '[' + result.join(', ') + ']';
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||||
}
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||||
return '[' + newLine + result.join(',' + newLine) + newLine +
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||||
(compact ? '' : oldIndent) + ']';
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||||
} else if (isNumber(argument)) {
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||||
if (json) {
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||||
// Some number values (e.g. `Infinity`) cannot be represented in JSON.
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||||
return JSON.stringify(argument);
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||||
}
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||||
if (useDecNumbers) {
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return String(argument);
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||||
}
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||||
if (useHexNumbers) {
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let hexadecimal = argument.toString(16);
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||||
if (!lowercaseHex) {
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hexadecimal = hexadecimal.toUpperCase();
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||||
}
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return '0x' + hexadecimal;
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}
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||||
if (useBinNumbers) {
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||||
return '0b' + argument.toString(2);
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||||
}
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||||
if (useOctNumbers) {
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||||
return '0o' + argument.toString(8);
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||||
}
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||||
} else if (!isObject(argument)) {
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||||
if (json) {
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||||
// For some values (e.g. `undefined`, `function` objects),
|
||||
// `JSON.stringify(value)` returns `undefined` (which isn’t valid
|
||||
// JSON) instead of `'null'`.
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||||
return JSON.stringify(argument) || 'null';
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||||
}
|
||||
return String(argument);
|
||||
} else { // it’s an object
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||||
result = [];
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||||
options.wrap = true;
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||||
increaseIndentation();
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||||
forOwn(argument, (key, value) => {
|
||||
isEmpty = false;
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||||
result.push(
|
||||
(compact ? '' : indent) +
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||||
jsesc(key, options) + ':' +
|
||||
(compact ? '' : ' ') +
|
||||
jsesc(value, options)
|
||||
);
|
||||
});
|
||||
if (isEmpty) {
|
||||
return '{}';
|
||||
}
|
||||
return '{' + newLine + result.join(',' + newLine) + newLine +
|
||||
(compact ? '' : oldIndent) + '}';
|
||||
}
|
||||
}
|
||||
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 string = argument;
|
||||
// Loop over each code unit in the string and escape it
|
||||
let index = -1;
|
||||
const length = string.length;
|
||||
result = '';
|
||||
while (++index < length) {
|
||||
const character = string.charAt(index);
|
||||
if (options.es6) {
|
||||
const first = string.charCodeAt(index);
|
||||
if ( // check if it’s the start of a surrogate pair
|
||||
first >= 0xD800 && first <= 0xDBFF && // high surrogate
|
||||
length > index + 1 // there is a next code unit
|
||||
) {
|
||||
const second = string.charCodeAt(index + 1);
|
||||
if (second >= 0xDC00 && second <= 0xDFFF) { // low surrogate
|
||||
// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
|
||||
const codePoint = (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
|
||||
let hexadecimal = codePoint.toString(16);
|
||||
if (!lowercaseHex) {
|
||||
hexadecimal = hexadecimal.toUpperCase();
|
||||
}
|
||||
result += '\\u{' + hexadecimal + '}';
|
||||
++index;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!options.escapeEverything) {
|
||||
if (regexWhitelist.test(character)) {
|
||||
// It’s a printable ASCII character that is not `"`, `'` or `\`,
|
||||
// so don’t escape it.
|
||||
result += character;
|
||||
continue;
|
||||
}
|
||||
if (character == '"') {
|
||||
result += quote == character ? '\\"' : character;
|
||||
continue;
|
||||
}
|
||||
if (character == '`') {
|
||||
result += quote == character ? '\\`' : character;
|
||||
continue;
|
||||
}
|
||||
if (character == '\'') {
|
||||
result += quote == character ? '\\\'' : character;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (
|
||||
character == '\0' &&
|
||||
!json &&
|
||||
!regexDigit.test(string.charAt(index + 1))
|
||||
) {
|
||||
result += '\\0';
|
||||
continue;
|
||||
}
|
||||
if (regexSingleEscape.test(character)) {
|
||||
// no need for a `hasOwnProperty` check here
|
||||
result += singleEscapes[character];
|
||||
continue;
|
||||
}
|
||||
const charCode = character.charCodeAt(0);
|
||||
if (options.minimal && charCode != 0x2028 && charCode != 0x2029) {
|
||||
result += character;
|
||||
continue;
|
||||
}
|
||||
let hexadecimal = charCode.toString(16);
|
||||
if (!lowercaseHex) {
|
||||
hexadecimal = hexadecimal.toUpperCase();
|
||||
}
|
||||
const longhand = hexadecimal.length > 2 || json;
|
||||
const escaped = '\\' + (longhand ? 'u' : 'x') +
|
||||
('0000' + hexadecimal).slice(longhand ? -4 : -2);
|
||||
result += escaped;
|
||||
continue;
|
||||
}
|
||||
if (options.wrap) {
|
||||
result = quote + result + quote;
|
||||
}
|
||||
if (quote == '`') {
|
||||
result = result.replace(/\$\{/g, '\\\$\{');
|
||||
}
|
||||
if (options.isScriptContext) {
|
||||
// https://mathiasbynens.be/notes/etago
|
||||
return result
|
||||
.replace(/<\/(script|style)/gi, '<\\/$1')
|
||||
.replace(/<!--/g, json ? '\\u003C!--' : '\\x3C!--');
|
||||
}
|
||||
return result;
|
||||
const string = argument;
|
||||
// Loop over each code unit in the string and escape it
|
||||
let index = -1;
|
||||
const length = string.length;
|
||||
result = '';
|
||||
while (++index < length) {
|
||||
const character = string.charAt(index);
|
||||
if (options.es6) {
|
||||
const first = string.charCodeAt(index);
|
||||
if (
|
||||
// check if it’s the start of a surrogate pair
|
||||
first >= 0xd800 &&
|
||||
first <= 0xdbff && // high surrogate
|
||||
length > index + 1 // there is a next code unit
|
||||
) {
|
||||
const second = string.charCodeAt(index + 1);
|
||||
if (second >= 0xdc00 && second <= 0xdfff) {
|
||||
// low surrogate
|
||||
// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
|
||||
const codePoint =
|
||||
(first - 0xd800) * 0x400 + second - 0xdc00 + 0x10000;
|
||||
let hexadecimal = codePoint.toString(16);
|
||||
if (!lowercaseHex) {
|
||||
hexadecimal = hexadecimal.toUpperCase();
|
||||
}
|
||||
result += '\\u{' + hexadecimal + '}';
|
||||
++index;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!options.escapeEverything) {
|
||||
if (regexWhitelist.test(character)) {
|
||||
// It’s a printable ASCII character that is not `"`, `'` or `\`,
|
||||
// so don’t escape it.
|
||||
result += character;
|
||||
continue;
|
||||
}
|
||||
if (character == '"') {
|
||||
result += quote == character ? '\\"' : character;
|
||||
continue;
|
||||
}
|
||||
if (character == '`') {
|
||||
result += quote == character ? '\\`' : character;
|
||||
continue;
|
||||
}
|
||||
if (character == "'") {
|
||||
result += quote == character ? "\\'" : character;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (
|
||||
character == '\0' &&
|
||||
!json &&
|
||||
!regexDigit.test(string.charAt(index + 1))
|
||||
) {
|
||||
result += '\\0';
|
||||
continue;
|
||||
}
|
||||
if (regexSingleEscape.test(character)) {
|
||||
// no need for a `hasOwnProperty` check here
|
||||
result += singleEscapes[character];
|
||||
continue;
|
||||
}
|
||||
const charCode = character.charCodeAt(0);
|
||||
if (options.minimal && charCode != 0x2028 && charCode != 0x2029) {
|
||||
result += character;
|
||||
continue;
|
||||
}
|
||||
let hexadecimal = charCode.toString(16);
|
||||
if (!lowercaseHex) {
|
||||
hexadecimal = hexadecimal.toUpperCase();
|
||||
}
|
||||
const longhand = hexadecimal.length > 2 || json;
|
||||
const escaped =
|
||||
'\\' +
|
||||
(longhand ? 'u' : 'x') +
|
||||
('0000' + hexadecimal).slice(longhand ? -4 : -2);
|
||||
result += escaped;
|
||||
continue;
|
||||
}
|
||||
if (options.wrap) {
|
||||
result = quote + result + quote;
|
||||
}
|
||||
if (quote == '`') {
|
||||
result = result.replace(/\$\{/g, '\\\$\{');
|
||||
}
|
||||
if (options.isScriptContext) {
|
||||
// https://mathiasbynens.be/notes/etago
|
||||
return result
|
||||
.replace(/<\/(script|style)/gi, '<\\/$1')
|
||||
.replace(/<!--/g, json ? '\\u003C!--' : '\\x3C!--');
|
||||
}
|
||||
return result;
|
||||
};
|
||||
|
||||
jsesc.version = '2.5.2';
|
||||
|
||||
Reference in New Issue
Block a user