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<!doctype html> <html lang="en"> <head> <title>Code coverage report for is-array-like.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <link rel="shortcut icon" type="image/x-icon" href="favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="index.html">All files</a> is-array-like.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Statements</span> <span class='fraction'>14/14</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Branches</span> <span class='fraction'>6/6</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span 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@returns True if the value is a valid array-like length, otherwise false. * @example * ```typescript * isLength(3); // true * isLength(-1); // false * isLength(3.5); // false * isLength(Number.MAX_SAFE_INTEGER + 1); // false * ``` * @internal */ function isLength(value: unknown): value is number { return isNumber(value) &amp;&amp; value &gt; -1 &amp;&amp; value % 1 === 0 &amp;&amp; value &lt; Number.MAX_SAFE_INTEGER; } &nbsp; /** * Determines whether the provided value is array-like. * * A value is considered array-like if it is not null or undefined, is object-like, * is not a function, has a 'length' property, and the length is a valid array length. * @param value - The value to check. * @returns True if the value is array-like, otherwise false. * @group Object * @category Type Guards * @example * ```typescript * isArrayLike([1, 2, 3]); // true * isArrayLike('hello'); // true * isArrayLike({ length: 2 }); // true * isArrayLike({}); // false * isArrayLike(() =&gt; {}); // false * isArrayLike(null); // false * ``` */ export function isArrayLike(value: unknown): value is ArrayLike&lt;unknown&gt; { return ( value != null &amp;&amp; isObject(value) &amp;&amp; !isFunction(value) &amp;&amp; 'length' in value &amp;&amp; isLength(Object.length) ); } &nbsp;</pre></td></tr></table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2025-09-10T15:22:40.218Z </div> <script src="prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>