source: imaps-frontend/node_modules/es-abstract/2023/QuoteJSONString.js@ 79a0317

'use strict';

var $TypeError = require('es-errors/type');

var callBound = require('call-bound');
var forEach = require('../helpers/forEach');
var isLeadingSurrogate = require('../helpers/isLeadingSurrogate');
var isTrailingSurrogate = require('../helpers/isTrailingSurrogate');

var $charCodeAt = callBound('String.prototype.charCodeAt');
var $strSplit = callBound('String.prototype.split');

var StringToCodePoints = require('./StringToCodePoints');
var UnicodeEscape = require('./UnicodeEscape');
var UTF16EncodeCodePoint = require('./UTF16EncodeCodePoint');

var hasOwn = require('hasown');

// 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 (typeof value !== 'string') {
                throw new $TypeError('Assertion failed: `value` must be a String');
        }
        var product = '"';
        if (value) {
                forEach($strSplit(StringToCodePoints(value), ''), function (C) {
                        if (hasOwn(escapes, C)) {
                                product += escapes[C];
                        } else {
                                var cCharCode = $charCodeAt(C, 0);
                                if (cCharCode < 0x20 || isLeadingSurrogate(cCharCode) || isTrailingSurrogate(cCharCode)) {
                                        product += UnicodeEscape(C);
                                } else {
                                        product += UTF16EncodeCodePoint(cCharCode);
                                }
                        }
                });
        }
        product += '"';
        return product;
};