+++ /dev/null
-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) {
- // https://github.com/tc39/proposal-well-formed-stringify
- $({ target: 'JSON', stat: true, forced: FORCED }, {
- // eslint-disable-next-line no-unused-vars
- stringify: function stringify(it, replacer, space) {
- var result = $stringify.apply(null, arguments);
- return typeof result == 'string' ? result.replace(re, fix) : result;
- }
- });
-}