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on this file since 8d391a1 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 | 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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