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codeql-action/node_modules/es-abstract/2021/QuoteJSONString.js
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'use strict'; | |
var GetIntrinsic = require('get-intrinsic'); | |
var $TypeError = GetIntrinsic('%TypeError%'); | |
var callBound = require('call-bind/callBound'); | |
var forEach = require('../helpers/forEach'); | |
var isLeadingSurrogate = require('../helpers/isLeadingSurrogate'); | |
var isTrailingSurrogate = require('../helpers/isTrailingSurrogate'); | |
var $charCodeAt = callBound('String.prototype.charCodeAt'); | |
var StringToCodePoints = require('./StringToCodePoints'); | |
var Type = require('./Type'); | |
var UnicodeEscape = require('./UnicodeEscape'); | |
var UTF16EncodeCodePoint = require('./UTF16EncodeCodePoint'); | |
var has = require('has'); | |
// https://262.ecma-international.org/12.0/#sec-quotejsonstring | |
var escapes = { | |
'\u0008': '\\b', | |
'\u0009': '\\t', | |
'\u000A': '\\n', | |
'\u000C': '\\f', | |
'\u000D': '\\r', | |
'\u0022': '\\"', | |
'\u005c': '\\\\' | |
}; | |
module.exports = function QuoteJSONString(value) { | |
if (Type(value) !== 'String') { | |
throw new $TypeError('Assertion failed: `value` must be a String'); | |
} | |
var product = '"'; | |
if (value) { | |
forEach(StringToCodePoints(value), function (C) { | |
if (has(escapes, C)) { | |
product += escapes[C]; | |
} else { | |
var cCharCode = $charCodeAt(C, 0); | |
if (cCharCode < 0x20 || isLeadingSurrogate(C) || isTrailingSurrogate(C)) { | |
product += UnicodeEscape(C); | |
} else { | |
product += UTF16EncodeCodePoint(cCharCode); | |
} | |
} | |
}); | |
} | |
product += '"'; | |
return product; | |
}; |