keyboard.d.ts 1.8 KB

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  1. /**
  2. * @license
  3. * Copyright 2020 Google Inc.
  4. *
  5. * Permission is hereby granted, free of charge, to any person obtaining a copy
  6. * of this software and associated documentation files (the "Software"), to deal
  7. * in the Software without restriction, including without limitation the rights
  8. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  9. * copies of the Software, and to permit persons to whom the Software is
  10. * furnished to do so, subject to the following conditions:
  11. *
  12. * The above copyright notice and this permission notice shall be included in
  13. * all copies or substantial portions of the Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21. * THE SOFTWARE.
  22. */
  23. /**
  24. * KEY provides normalized string values for keys.
  25. */
  26. export declare const KEY: {
  27. UNKNOWN: string;
  28. BACKSPACE: string;
  29. ENTER: string;
  30. SPACEBAR: string;
  31. PAGE_UP: string;
  32. PAGE_DOWN: string;
  33. END: string;
  34. HOME: string;
  35. ARROW_LEFT: string;
  36. ARROW_UP: string;
  37. ARROW_RIGHT: string;
  38. ARROW_DOWN: string;
  39. DELETE: string;
  40. ESCAPE: string;
  41. TAB: string;
  42. };
  43. /**
  44. * normalizeKey returns the normalized string for a navigational action.
  45. */
  46. export declare function normalizeKey(evt: KeyboardEvent): string;
  47. /**
  48. * isNavigationEvent returns whether the event is a navigation event
  49. */
  50. export declare function isNavigationEvent(evt: KeyboardEvent): boolean;