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18 lines
576 B
18 lines
576 B
'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $TypeError = GetIntrinsic('%TypeError%'); |
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var max = GetIntrinsic('%Math.max%'); |
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var min = GetIntrinsic('%Math.min%'); |
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var Type = require('./Type'); |
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// https://262.ecma-international.org/12.0/#clamping |
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module.exports = function clamp(x, lower, upper) { |
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if (Type(x) !== 'Number' || Type(lower) !== 'Number' || Type(upper) !== 'Number' || !(lower <= upper)) { |
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throw new $TypeError('Assertion failed: all three arguments must be MVs, and `lower` must be `<= upper`'); |
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} |
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return min(max(lower, x), upper); |
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};
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