| 1 | ;
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| 2 |
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| 3 | var global = require('es5-ext/global')
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| 4 | , polyfill = require('../polyfill');
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| 5 |
|
| 6 | module.exports = function (t, a) {
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| 7 | var cache;
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| 8 | a(typeof t(), 'boolean');
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| 9 | cache = global.WeakMap;
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| 10 | global.WeakMap = polyfill;
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| 11 | a(t(), true);
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| 12 | if (cache === undefined) delete global.WeakMap;
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| 13 | else global.WeakMap = cache;
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| 14 | };
|