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on this file since 188ee53 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | var baseInRange = require('./_baseInRange'),
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| 2 | toFinite = require('./toFinite'),
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| 3 | toNumber = require('./toNumber');
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| 4 |
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| 5 | /**
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| 6 | * Checks if `n` is between `start` and up to, but not including, `end`. If
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| 7 | * `end` is not specified, it's set to `start` with `start` then set to `0`.
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| 8 | * If `start` is greater than `end` the params are swapped to support
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| 9 | * negative ranges.
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| 10 | *
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| 11 | * @static
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| 12 | * @memberOf _
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| 13 | * @since 3.3.0
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| 14 | * @category Number
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| 15 | * @param {number} number The number to check.
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| 16 | * @param {number} [start=0] The start of the range.
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| 17 | * @param {number} end The end of the range.
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| 18 | * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
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| 19 | * @see _.range, _.rangeRight
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| 20 | * @example
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| 21 | *
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| 22 | * _.inRange(3, 2, 4);
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| 23 | * // => true
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| 24 | *
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| 25 | * _.inRange(4, 8);
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| 26 | * // => true
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| 27 | *
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| 28 | * _.inRange(4, 2);
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| 29 | * // => false
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| 30 | *
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| 31 | * _.inRange(2, 2);
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| 32 | * // => false
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| 33 | *
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| 34 | * _.inRange(1.2, 2);
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| 35 | * // => true
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| 36 | *
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| 37 | * _.inRange(5.2, 4);
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| 38 | * // => false
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| 39 | *
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| 40 | * _.inRange(-3, -2, -6);
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| 41 | * // => true
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| 42 | */
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| 43 | function inRange(number, start, end) {
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| 44 | start = toFinite(start);
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| 45 | if (end === undefined) {
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| 46 | end = start;
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| 47 | start = 0;
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| 48 | } else {
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| 49 | end = toFinite(end);
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| 50 | }
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| 51 | number = toNumber(number);
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| 52 | return baseInRange(number, start, end);
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| 53 | }
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| 54 |
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| 55 | module.exports = inRange;
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