IsStrictlyEqual.js 526 B

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  1. 'use strict';
  2. var SameValueNonNumeric = require('./SameValueNonNumeric');
  3. var Type = require('./Type');
  4. var BigIntEqual = require('./BigInt/equal');
  5. var NumberEqual = require('./Number/equal');
  6. // https://262.ecma-international.org/13.0/#sec-isstrictlyequal
  7. module.exports = function IsStrictlyEqual(x, y) {
  8. if (Type(x) !== Type(y)) {
  9. return false;
  10. }
  11. if (typeof x === 'number' || typeof x === 'bigint') {
  12. return typeof x === 'number' ? NumberEqual(x, y) : BigIntEqual(x, y);
  13. }
  14. return SameValueNonNumeric(x, y);
  15. };