ToLength.js 435 B

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  1. 'use strict';
  2. var MAX_SAFE_INTEGER = require('math-intrinsics/constants/maxSafeInteger');
  3. var ToIntegerOrInfinity = require('./ToIntegerOrInfinity');
  4. // https://262.ecma-international.org/12.0/#sec-tolength
  5. module.exports = function ToLength(argument) {
  6. var len = ToIntegerOrInfinity(argument);
  7. if (len <= 0) { return 0; } // includes converting -0 to +0
  8. if (len > MAX_SAFE_INTEGER) { return MAX_SAFE_INTEGER; }
  9. return len;
  10. };