rc-js-util/bin/esm/math/impl/math-bound.js

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

import { _Debug } from "../../debug/_debug.js";
/**
 * @public
 * Bound a value in to a range.
 *
 * @returns The `value` if it lies between `min` and `max`, otherwise `min` if smaller and `max` if greater.
 *
 * @remarks
 * NaN input will cause a debug error.
 *
 * See {@link mathBound}.
 */
export function mathBound(value, min, max) {
    _BUILD.DEBUG && _Debug.runBlock(() => {
        _Debug.assert(!isNaN(value), "expected value to be a number");
        _Debug.assert(!isNaN(min), "expected min to be a number");
        _Debug.assert(!isNaN(max), "expected max to be a number");
        _Debug.assert(max >= min, "expected max to be greater than or equal to min");
    });
    if (value > max) {
        return max;
    }
    if (value < min) {
        return min;
    }
    return value;
}
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