lix-website/themes/lix/assets/bootstrap/node_modules/es-abstract/2024/QuoteJSONString.js
2024-04-26 22:49:34 -06:00

52 lines
1.3 KiB
JavaScript

'use strict';
var $TypeError = require('es-errors/type');
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 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(StringToCodePoints(value), function (C) {
if (hasOwn(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;
};