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34 lines
684 B
34 lines
684 B
'use strict'; |
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var $TypeError = require('es-errors/type'); |
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var GetV = require('./GetV'); |
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var IsCallable = require('./IsCallable'); |
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var isPropertyKey = require('../helpers/isPropertyKey'); |
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var inspect = require('object-inspect'); |
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// https://262.ecma-international.org/6.0/#sec-getmethod |
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module.exports = function GetMethod(O, P) { |
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// 7.3.9.1 |
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if (!isPropertyKey(P)) { |
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throw new $TypeError('Assertion failed: P is not a Property Key'); |
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} |
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// 7.3.9.2 |
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var func = GetV(O, P); |
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// 7.3.9.4 |
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if (func == null) { |
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return void 0; |
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} |
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// 7.3.9.5 |
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if (!IsCallable(func)) { |
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throw new $TypeError(inspect(P) + ' is not a function: ' + inspect(func)); |
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} |
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// 7.3.9.6 |
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return func; |
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};
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