%PDF- %PDF-
Direktori : /proc/self/root/var/www/html/node_modules/es-abstract/2017/ |
Current File : //proc/self/root/var/www/html/node_modules/es-abstract/2017/QuoteJSONString.js |
'use strict'; var GetIntrinsic = require('get-intrinsic'); var $TypeError = GetIntrinsic('%TypeError%'); var callBound = require('call-bind/callBound'); var forEach = require('../helpers/forEach'); var $charCodeAt = callBound('String.prototype.charCodeAt'); var $numberToString = callBound('Number.prototype.toString'); var $toLowerCase = callBound('String.prototype.toLowerCase'); var $strSlice = callBound('String.prototype.slice'); var $strSplit = callBound('String.prototype.split'); var Type = require('./Type'); // https://ecma-international.org/ecma-262/6.0/#sec-quotejsonstring var escapes = { '\u0008': 'b', '\u000C': 'f', '\u000A': 'n', '\u000D': 'r', '\u0009': 't' }; module.exports = function QuoteJSONString(value) { if (Type(value) !== 'String') { throw new $TypeError('Assertion failed: `value` must be a String'); } var product = '"'; if (value) { forEach($strSplit(value), function (C) { if (C === '"' || C === '\\') { product += '\u005C' + C; } else if (C === '\u0008' || C === '\u000C' || C === '\u000A' || C === '\u000D' || C === '\u0009') { var abbrev = escapes[C]; product += '\u005C' + abbrev; } else { var cCharCode = $charCodeAt(C, 0); if (cCharCode < 0x20) { product += '\u005Cu' + $toLowerCase($strSlice('0000' + $numberToString(cCharCode, 16), -4)); } else { product += C; } } }); } product += '"'; return product; };