@wordpress/block-library/build/list-item/hooks/use-tab.cjs

Block library for the WordPress editor.

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/block-library/src/list-item/hooks/use-tab.js
var use_tab_exports = {};
__export(use_tab_exports, {
  default: () => useTab
});
module.exports = __toCommonJS(use_tab_exports);
var import_compose = require("@wordpress/compose");
var import_rich_text = require("@wordpress/rich-text");
var import_keycodes = require("@wordpress/keycodes");
var import_block_editor = require("@wordpress/block-editor");
var import_data = require("@wordpress/data");
var import_dom = require("@wordpress/dom");
var import_utils = require("../utils.cjs");
var import_lock_unlock = require("../../lock-unlock.cjs");
var { subscribeOwnedListener } = (0, import_lock_unlock.unlock)(import_rich_text.privateApis);
function useTab() {
  const registry = (0, import_data.useRegistry)();
  return (0, import_compose.useRefEffect)(
    (element) => {
      function onKeyDown(event) {
        const { keyCode, shiftKey, altKey, metaKey, ctrlKey } = event;
        if (event.defaultPrevented || keyCode !== import_keycodes.SPACE && keyCode !== import_keycodes.TAB || // Shift selects outdent; other modifiers pass through.
        altKey || metaKey || ctrlKey) {
          return;
        }
        const { getSelectionStart, getSelectionEnd } = registry.select(import_block_editor.store);
        const isAtStart = getSelectionStart().offset === 0 && getSelectionEnd().offset === 0;
        if (!isAtStart && !(keyCode === import_keycodes.TAB && (0, import_dom.isEntirelySelected)(element))) {
          return;
        }
        const move = shiftKey ? import_utils.outdentListItems : import_utils.indentListItems;
        if (move(registry)) {
          event.preventDefault();
        }
      }
      return subscribeOwnedListener(
        element,
        "keydown",
        onKeyDown,
        true
      );
    },
    [registry]
  );
}
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