lib.es2015.symbol.d.ts 1.6 KB

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  1. /*! *****************************************************************************
  2. Copyright (c) Microsoft Corporation. All rights reserved.
  3. Licensed under the Apache License, Version 2.0 (the "License"); you may not use
  4. this file except in compliance with the License. You may obtain a copy of the
  5. License at http://www.apache.org/licenses/LICENSE-2.0
  6. THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  7. KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  8. WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  9. MERCHANTABLITY OR NON-INFRINGEMENT.
  10. See the Apache Version 2.0 License for specific language governing permissions
  11. and limitations under the License.
  12. ***************************************************************************** */
  13. /// <reference no-default-lib="true"/>
  14. interface SymbolConstructor {
  15. /**
  16. * A reference to the prototype.
  17. */
  18. readonly prototype: Symbol;
  19. /**
  20. * Returns a new unique Symbol value.
  21. * @param description Description of the new Symbol object.
  22. */
  23. (description?: string | number): symbol;
  24. /**
  25. * Returns a Symbol object from the global symbol registry matching the given key if found.
  26. * Otherwise, returns a new symbol with this key.
  27. * @param key key to search for.
  28. */
  29. for(key: string): symbol;
  30. /**
  31. * Returns a key from the global symbol registry matching the given Symbol if found.
  32. * Otherwise, returns a undefined.
  33. * @param sym Symbol to find the key for.
  34. */
  35. keyFor(sym: symbol): string | undefined;
  36. }
  37. declare var Symbol: SymbolConstructor;