'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $TypeError = GetIntrinsic('%TypeError%'); var callBound = require('../helpers/callBound'); var forEach = require('../helpers/forEach'); var $charCodeAt = callBound('String.prototype.charCodeAt'); var $strSplit = callBound('String.prototype.split'); var Type = require('./Type'); var UnicodeEscape = require('./UnicodeEscape'); var has = require('has'); // https://ecma-international.org/ecma-262/9.0/#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 $TypeError('Assertion failed: `value` must be a String'); } var product = '"'; if (value) { forEach($strSplit(value), function (C) { if (has(escapes, C)) { product += escapes[C]; } else if ($charCodeAt(C, 0) < 0x20) { product += UnicodeEscape(C); } else { product += C; } }); } product += '"'; return product; };