@wordpress/blocks/build/api/raw-handling/list-reducer.js

Block API for WordPress.

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/blocks/src/api/raw-handling/list-reducer.js
var list_reducer_exports = {};
__export(list_reducer_exports, {
  default: () => listReducer
});
module.exports = __toCommonJS(list_reducer_exports);
var import_dom = require("@wordpress/dom");
function isList(node) {
  return node.nodeName === "OL" || node.nodeName === "UL";
}
function shallowTextContent(element) {
  return Array.from(element.childNodes).map(({ nodeValue = "" }) => nodeValue).join("");
}
function listReducer(node) {
  if (!isList(node)) {
    return;
  }
  const list = node;
  const prevElement = node.previousElementSibling;
  if (prevElement && prevElement.nodeName === node.nodeName && list.children.length === 1) {
    while (list.firstChild) {
      prevElement.appendChild(list.firstChild);
    }
    list.parentNode.removeChild(list);
  }
  const parentElement = node.parentNode;
  if (parentElement && parentElement.nodeName === "LI" && parentElement.children.length === 1 && !/\S/.test(shallowTextContent(parentElement))) {
    const parentListItem = parentElement;
    const prevListItem = parentListItem.previousElementSibling;
    const parentList = parentListItem.parentNode;
    if (prevListItem) {
      prevListItem.appendChild(list);
      parentList.removeChild(parentListItem);
    }
  }
  if (parentElement && isList(parentElement)) {
    const prevListItem = node.previousElementSibling;
    if (prevListItem) {
      prevListItem.appendChild(node);
    } else {
      (0, import_dom.unwrap)(node);
    }
  }
}
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