@wordpress/block-library/build/list-item/hooks/use-enter.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-enter.js
var use_enter_exports = {};
__export(use_enter_exports, {
  default: () => useEnter
});
module.exports = __toCommonJS(use_enter_exports);
var import_blocks = require("@wordpress/blocks");
var import_compose = require("@wordpress/compose");
var import_rich_text = require("@wordpress/rich-text");
var import_data = require("@wordpress/data");
var import_block_editor = require("@wordpress/block-editor");
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 useEnter(clientId) {
  const registry = (0, import_data.useRegistry)();
  return (0, import_compose.useRefEffect)(
    (element) => {
      function onBeforeInput(event) {
        if (event.defaultPrevented || event.inputType !== "insertParagraph") {
          return;
        }
        const select = registry.select(import_block_editor.store);
        const {
          getBlock,
          getBlockAttributes,
          getBlockRootClientId,
          getBlockIndex
        } = select;
        const { replaceBlocks, selectionChange } = registry.dispatch(import_block_editor.store);
        const { content } = getBlockAttributes(clientId) ?? {};
        if (content?.length) {
          return;
        }
        event.preventDefault();
        const canOutdent = !!(0, import_utils.getOutdentTarget)(select, clientId);
        if (canOutdent) {
          (0, import_utils.outdentListItems)(registry);
          return;
        }
        const topParentListBlock = getBlock(
          getBlockRootClientId(clientId)
        );
        const blockIndex = getBlockIndex(clientId);
        const head = (0, import_blocks.cloneBlock)({
          ...topParentListBlock,
          innerBlocks: topParentListBlock.innerBlocks.slice(
            0,
            blockIndex
          )
        });
        const middle = (0, import_blocks.createBlock)((0, import_blocks.getDefaultBlockName)());
        const after = [
          ...topParentListBlock.innerBlocks[blockIndex].innerBlocks[0]?.innerBlocks || [],
          ...topParentListBlock.innerBlocks.slice(blockIndex + 1)
        ];
        const tail = after.length ? [
          (0, import_blocks.cloneBlock)({
            ...topParentListBlock,
            innerBlocks: after
          })
        ] : [];
        replaceBlocks(
          topParentListBlock.clientId,
          [head, middle, ...tail],
          1
        );
        selectionChange(middle.clientId);
      }
      return subscribeOwnedListener(
        element,
        "beforeinput",
        onBeforeInput,
        true
      );
    },
    [clientId, registry]
  );
}
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