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18 lines
624 B
18 lines
624 B
'use strict'; |
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var $export = require('./_export'); |
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var toObject = require('./_to-object'); |
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var toPrimitive = require('./_to-primitive'); |
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var getPrototypeOf = require('./_object-gpo'); |
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var getOwnPropertyDescriptor = require('./_object-gopd').f; |
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// B.2.2.5 Object.prototype.__lookupSetter__(P) |
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require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', { |
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__lookupSetter__: function __lookupSetter__(P) { |
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var O = toObject(this); |
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var K = toPrimitive(P, true); |
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var D; |
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do { |
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if (D = getOwnPropertyDescriptor(O, K)) return D.set; |
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} while (O = getPrototypeOf(O)); |
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} |
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});
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