hexo/node_modules/es-abstract/2016/GetMethod.js

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2023-10-03 11:14:36 +08:00
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var GetV = require('./GetV');
var IsCallable = require('./IsCallable');
var IsPropertyKey = require('./IsPropertyKey');
var inspect = require('object-inspect');
// https://262.ecma-international.org/6.0/#sec-getmethod
module.exports = function GetMethod(O, P) {
// 7.3.9.1
if (!IsPropertyKey(P)) {
throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
}
// 7.3.9.2
var func = GetV(O, P);
// 7.3.9.4
if (func == null) {
return void 0;
}
// 7.3.9.5
if (!IsCallable(func)) {
throw new $TypeError(inspect(P) + ' is not a function: ' + inspect(func));
}
// 7.3.9.6
return func;
};