8 lines
275 B
JavaScript
8 lines
275 B
JavaScript
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var global = require('../internals/global');
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var isCallable = require('../internals/is-callable');
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var inspectSource = require('../internals/inspect-source');
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var WeakMap = global.WeakMap;
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module.exports = isCallable(WeakMap) && /native code/.test(inspectSource(WeakMap));
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