mirror of https://github.com/jkjoy/sunpeiwen.git
37 lines
728 B
JavaScript
37 lines
728 B
JavaScript
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'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $TypeError = GetIntrinsic('%TypeError%');
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var GetV = require('./GetV');
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var IsCallable = require('./IsCallable');
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var IsPropertyKey = require('./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: IsPropertyKey(P) is not true');
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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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