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on this file since ceaed42 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | var baseClamp = require('./_baseClamp'),
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2 | toInteger = require('./toInteger');
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3 |
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4 | /** Used as references for various `Number` constants. */
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5 | var MAX_SAFE_INTEGER = 9007199254740991;
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6 |
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7 | /**
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8 | * Converts `value` to a safe integer. A safe integer can be compared and
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9 | * represented correctly.
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10 | *
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11 | * @static
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12 | * @memberOf _
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13 | * @since 4.0.0
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14 | * @category Lang
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15 | * @param {*} value The value to convert.
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16 | * @returns {number} Returns the converted integer.
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17 | * @example
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18 | *
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19 | * _.toSafeInteger(3.2);
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20 | * // => 3
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21 | *
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22 | * _.toSafeInteger(Number.MIN_VALUE);
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23 | * // => 0
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24 | *
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25 | * _.toSafeInteger(Infinity);
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26 | * // => 9007199254740991
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27 | *
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28 | * _.toSafeInteger('3.2');
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29 | * // => 3
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30 | */
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31 | function toSafeInteger(value) {
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32 | return value
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33 | ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
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34 | : (value === 0 ? value : 0);
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35 | }
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36 |
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37 | module.exports = toSafeInteger;
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