signedRightShift.js 505 B

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  1. 'use strict';
  2. var GetIntrinsic = require('get-intrinsic');
  3. var $TypeError = GetIntrinsic('%TypeError%');
  4. var Type = require('../Type');
  5. var BigIntLeftShift = require('./leftShift');
  6. // https://262.ecma-international.org/11.0/#sec-numeric-types-bigint-signedRightShift
  7. module.exports = function BigIntSignedRightShift(x, y) {
  8. if (Type(x) !== 'BigInt' || Type(y) !== 'BigInt') {
  9. throw new $TypeError('Assertion failed: `x` and `y` arguments must be BigInts');
  10. }
  11. return BigIntLeftShift(x, -y);
  12. };