版博士V2.0程序
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  1. import { onMounted, onBeforeUnmount } from 'vue';
  2. import '../../utils/index.mjs';
  3. import '../../constants/index.mjs';
  4. import { EVENT_CODE } from '../../constants/aria.mjs';
  5. import { isClient } from '@vueuse/core';
  6. let registeredEscapeHandlers = [];
  7. const cachedHandler = (e) => {
  8. const event = e;
  9. if (event.key === EVENT_CODE.esc) {
  10. registeredEscapeHandlers.forEach((registeredHandler) => registeredHandler(event));
  11. }
  12. };
  13. const useEscapeKeydown = (handler) => {
  14. onMounted(() => {
  15. if (registeredEscapeHandlers.length === 0) {
  16. document.addEventListener("keydown", cachedHandler);
  17. }
  18. if (isClient)
  19. registeredEscapeHandlers.push(handler);
  20. });
  21. onBeforeUnmount(() => {
  22. registeredEscapeHandlers = registeredEscapeHandlers.filter((registeredHandler) => registeredHandler !== handler);
  23. if (registeredEscapeHandlers.length === 0) {
  24. if (isClient)
  25. document.removeEventListener("keydown", cachedHandler);
  26. }
  27. });
  28. };
  29. export { useEscapeKeydown };
  30. //# sourceMappingURL=index.mjs.map