30 lines
791 B
JavaScript
30 lines
791 B
JavaScript
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"use strict";
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var d = require("d");
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var create = Object.create, defineProperty = Object.defineProperty, objPrototype = Object.prototype;
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var created = create(null);
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module.exports = function (desc) {
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var postfix = 0, name, ie11BugWorkaround;
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while (created[desc + (postfix || "")]) ++postfix;
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desc += postfix || "";
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created[desc] = true;
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name = "@@" + desc;
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defineProperty(
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objPrototype,
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name,
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d.gs(null, function (value) {
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// For IE11 issue see:
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// https://connect.microsoft.com/IE/feedbackdetail/view/1928508/
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// ie11-broken-getters-on-dom-objects
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// https://github.com/medikoo/es6-symbol/issues/12
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if (ie11BugWorkaround) return;
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ie11BugWorkaround = true;
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defineProperty(this, name, d(value));
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ie11BugWorkaround = false;
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})
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);
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return name;
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};
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