'use strict';
|
|
var GetIntrinsic = require('get-intrinsic');
|
|
var $TypeError = GetIntrinsic('%TypeError%');
|
|
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 Type = require('./Type');
|
var UnicodeEscape = require('./UnicodeEscape');
|
var UTF16EncodeCodePoint = require('./UTF16EncodeCodePoint');
|
|
var has = require('has');
|
|
// https://ecma-international.org/ecma-262/12.0/#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(StringToCodePoints(value), function (C) {
|
if (has(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;
|
};
|
