clamp.js 508 B

1234567891011121314
  1. 'use strict';
  2. var $TypeError = require('es-errors/type');
  3. var max = require('math-intrinsics/max');
  4. var min = require('math-intrinsics/min');
  5. // https://262.ecma-international.org/12.0/#clamping
  6. module.exports = function clamp(x, lower, upper) {
  7. if (typeof x !== 'number' || typeof lower !== 'number' || typeof upper !== 'number' || !(lower <= upper)) {
  8. throw new $TypeError('Assertion failed: all three arguments must be MVs, and `lower` must be `<= upper`');
  9. }
  10. return min(max(lower, x), upper);
  11. };