forked from lix-project/lix-website
52 lines
1.3 KiB
JavaScript
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 UnicodeEscape = require('./UnicodeEscape');
|
||
|
var UTF16DecodeString = require('./UTF16DecodeString');
|
||
|
var UTF16Encoding = require('./UTF16Encoding');
|
||
|
|
||
|
var hasOwn = require('hasown');
|
||
|
|
||
|
// https://262.ecma-international.org/11.0/#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(UTF16DecodeString(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 += UTF16Encoding(cCharCode);
|
||
|
}
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
product += '"';
|
||
|
return product;
|
||
|
};
|