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38 lines
836 B
JavaScript
38 lines
836 B
JavaScript
6 years ago
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var baseClamp = require('./_baseClamp'),
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toInteger = require('./toInteger');
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/** Used as references for various `Number` constants. */
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var MAX_SAFE_INTEGER = 9007199254740991;
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/**
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* Converts `value` to a safe integer. A safe integer can be compared and
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* represented correctly.
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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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* _.toSafeInteger(3.2);
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* // => 3
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*
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* _.toSafeInteger(Number.MIN_VALUE);
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* // => 0
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*
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* _.toSafeInteger(Infinity);
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* // => 9007199254740991
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*
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* _.toSafeInteger('3.2');
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* // => 3
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*/
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function toSafeInteger(value) {
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return value
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? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
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: (value === 0 ? value : 0);
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}
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module.exports = toSafeInteger;
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