Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | var baseClamp = require('./_baseClamp'),
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| 2 | toNumber = require('./toNumber');
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| 3 |
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| 4 | /**
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| 5 | * Clamps `number` within the inclusive `lower` and `upper` bounds.
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| 6 | *
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| 7 | * @static
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| 8 | * @memberOf _
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| 9 | * @since 4.0.0
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| 10 | * @category Number
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| 11 | * @param {number} number The number to clamp.
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| 12 | * @param {number} [lower] The lower bound.
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| 13 | * @param {number} upper The upper bound.
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| 14 | * @returns {number} Returns the clamped number.
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| 15 | * @example
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| 16 | *
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| 17 | * _.clamp(-10, -5, 5);
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| 18 | * // => -5
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| 19 | *
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| 20 | * _.clamp(10, -5, 5);
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| 21 | * // => 5
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| 22 | */
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| 23 | function clamp(number, lower, upper) {
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| 24 | if (upper === undefined) {
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| 25 | upper = lower;
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| 26 | lower = undefined;
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| 27 | }
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| 28 | if (upper !== undefined) {
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| 29 | upper = toNumber(upper);
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| 30 | upper = upper === upper ? upper : 0;
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| 31 | }
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| 32 | if (lower !== undefined) {
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| 33 | lower = toNumber(lower);
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| 34 | lower = lower === lower ? lower : 0;
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| 35 | }
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| 36 | return baseClamp(toNumber(number), lower, upper);
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| 37 | }
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| 38 |
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| 39 | module.exports = clamp;
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