GoScrobble/web/node_modules/core-js/modules/es.json.stringify.js

35 lines
1.2 KiB
JavaScript

var $ = require('../internals/export');
var getBuiltIn = require('../internals/get-built-in');
var fails = require('../internals/fails');
var $stringify = getBuiltIn('JSON', 'stringify');
var re = /[\uD800-\uDFFF]/g;
var low = /^[\uD800-\uDBFF]$/;
var hi = /^[\uDC00-\uDFFF]$/;
var fix = function (match, offset, string) {
var prev = string.charAt(offset - 1);
var next = string.charAt(offset + 1);
if ((low.test(match) && !hi.test(next)) || (hi.test(match) && !low.test(prev))) {
return '\\u' + match.charCodeAt(0).toString(16);
} return match;
};
var FORCED = fails(function () {
return $stringify('\uDF06\uD834') !== '"\\udf06\\ud834"'
|| $stringify('\uDEAD') !== '"\\udead"';
});
if ($stringify) {
// `JSON.stringify` method
// https://tc39.es/ecma262/#sec-json.stringify
// https://github.com/tc39/proposal-well-formed-stringify
$({ target: 'JSON', stat: true, forced: FORCED }, {
// eslint-disable-next-line no-unused-vars -- required for `.length`
stringify: function stringify(it, replacer, space) {
var result = $stringify.apply(null, arguments);
return typeof result == 'string' ? result.replace(re, fix) : result;
}
});
}