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20 lines
495 B
20 lines
495 B
'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $TypeError = GetIntrinsic('%TypeError%'); |
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var Get = require('./Get'); |
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var ToLength = require('./ToLength'); |
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var Type = require('./Type'); |
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// https://262.ecma-international.org/11.0/#sec-lengthofarraylike |
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module.exports = function LengthOfArrayLike(obj) { |
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if (Type(obj) !== 'Object') { |
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throw new $TypeError('Assertion failed: `obj` must be an Object'); |
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} |
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return ToLength(Get(obj, 'length')); |
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}; |
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// TODO: use this all over
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