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node_modules/core-js-pure/modules/es.date.to-json.js

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+'use strict';
+var $ = require('../internals/export');
+var call = require('../internals/function-call');
+var toObject = require('../internals/to-object');
+var toPrimitive = require('../internals/to-primitive');
+var toISOString = require('../internals/date-to-iso-string');
+var classof = require('../internals/classof-raw');
+var fails = require('../internals/fails');
+
+var FORCED = fails(function () {
+  return new Date(NaN).toJSON() !== null
+    || call(Date.prototype.toJSON, { toISOString: function () { return 1; } }) !== 1;
+});
+
+// `Date.prototype.toJSON` method
+// https://tc39.es/ecma262/#sec-date.prototype.tojson
+$({ target: 'Date', proto: true, forced: FORCED }, {
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
+  toJSON: function toJSON(key) {
+    var O = toObject(this);
+    var pv = toPrimitive(O, 'number');
+    return typeof pv == 'number' && !isFinite(pv) ? null :
+      (!('toISOString' in O) && classof(O) === 'Date') ? call(toISOString, O) : O.toISOString();
+  }
+});