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33 lines
533 B
33 lines
533 B
'use strict'; |
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var result = require('./')(); |
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var test = { |
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__proto__: null, |
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foo: {} |
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}; |
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var setter = require('dunder-proto/set'); |
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/** @type {import('./mutator')} */ |
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module.exports = function hasMutator() { |
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if (!result) { |
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return false; |
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} |
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var obj = { __proto__: test }; |
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// @ts-expect-error: TS errors on an inherited property for some reason |
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if (obj.foo !== test.foo) { |
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return false; |
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} |
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if (!setter) { |
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return false; |
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} |
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setter(obj, null); |
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if ('foo' in obj || 'toString' in obj) { |
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return false; |
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} |
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return true; |
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};
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