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38 lines
868 B
JavaScript
38 lines
868 B
JavaScript
var baseClamp = require('./_baseClamp'),
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toInteger = require('./toInteger');
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/** Used as references for the maximum length and index of an array. */
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var MAX_ARRAY_LENGTH = 4294967295;
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/**
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* Converts `value` to an integer suitable for use as the length of an
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* array-like object.
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*
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* **Note:** This method is based on
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* [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to convert.
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* @returns {number} Returns the converted integer.
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* @example
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*
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* _.toLength(3.2);
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* // => 3
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*
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* _.toLength(Number.MIN_VALUE);
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* // => 0
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*
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* _.toLength(Infinity);
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* // => 4294967295
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*
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* _.toLength('3.2');
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* // => 3
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*/
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function toLength(value) {
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return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
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}
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module.exports = toLength;
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