19 lines
447 B
Plaintext
19 lines
447 B
Plaintext
'use strict';
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var $TypeError = require('es-errors/type');
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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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