@wordpress/block-library/build-module/list-item/hooks/use-multi-select-tab.mjs

Block library for the WordPress editor.

// packages/block-library/src/list-item/hooks/use-multi-select-tab.js
import { useRefEffect } from "@wordpress/compose";
import { TAB } from "@wordpress/keycodes";
import { store as blockEditorStore } from "@wordpress/block-editor";
import { useSelect, useRegistry } from "@wordpress/data";
import { indentListItems, outdentListItems } from "../utils.mjs";
function useMultiSelectTab(clientId) {
  const registry = useRegistry();
  const isActive = useSelect(
    (select) => {
      const {
        hasMultiSelection,
        getMultiSelectedBlockClientIds,
        getBlockName
      } = select(blockEditorStore);
      if (!hasMultiSelection()) {
        return false;
      }
      const clientIds = getMultiSelectedBlockClientIds();
      return clientIds[0] === clientId && clientIds.every(
        (id) => getBlockName(id) === "core/list-item"
      );
    },
    [clientId]
  );
  return useRefEffect(
    (element) => {
      if (!isActive) {
        return;
      }
      function onKeyDown(event) {
        const { keyCode, shiftKey, altKey, metaKey, ctrlKey } = event;
        if (keyCode !== TAB || event.defaultPrevented || altKey || metaKey || ctrlKey) {
          return;
        }
        if (!event.target.contains(element)) {
          return;
        }
        if (shiftKey) {
          if (outdentListItems(registry)) {
            event.preventDefault();
          }
        } else if (indentListItems(registry)) {
          event.preventDefault();
        }
      }
      const { ownerDocument } = element;
      ownerDocument.addEventListener("keydown", onKeyDown, true);
      return () => {
        ownerDocument.removeEventListener("keydown", onKeyDown, true);
      };
    },
    [isActive, registry]
  );
}
export {
  useMultiSelectTab as default
};
//# sourceMappingURL=use-multi-select-tab.mjs.map