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10 lines
329 B
10 lines
329 B
'use strict'; |
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var $ = require('../internals/export'); |
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var IS_PURE = require('../internals/is-pure'); |
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var $upsert = require('../internals/map-upsert'); |
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// `WeakMap.prototype.upsert` method |
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// https://github.com/thumbsupep/proposal-upsert |
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$({ target: 'WeakMap', proto: true, real: true, forced: IS_PURE }, { |
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upsert: $upsert |
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});
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