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inherits_browser.js 672B

5 years ago
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  1. if (typeof Object.create === 'function') {
  2. // implementation from standard node.js 'util' module
  3. module.exports = function inherits(ctor, superCtor) {
  4. ctor.super_ = superCtor
  5. ctor.prototype = Object.create(superCtor.prototype, {
  6. constructor: {
  7. value: ctor,
  8. enumerable: false,
  9. writable: true,
  10. configurable: true
  11. }
  12. });
  13. };
  14. } else {
  15. // old school shim for old browsers
  16. module.exports = function inherits(ctor, superCtor) {
  17. ctor.super_ = superCtor
  18. var TempCtor = function () {}
  19. TempCtor.prototype = superCtor.prototype
  20. ctor.prototype = new TempCtor()
  21. ctor.prototype.constructor = ctor
  22. }
  23. }