@wordpress/blocks/build-module/api/raw-handling/ms-list-converter.js

Block API for WordPress.

// packages/blocks/src/api/raw-handling/ms-list-converter.js
import { deepFilterHTML } from "./utils";
import msListIgnore from "./ms-list-ignore";
function isList(node) {
  return node.nodeName === "OL" || node.nodeName === "UL";
}
function msListConverter(node, doc) {
  if (node.nodeName !== "P") {
    return;
  }
  const style = node.getAttribute("style");
  if (!style || !style.includes("mso-list")) {
    return;
  }
  const prevNode = node.previousElementSibling;
  if (!prevNode || !isList(prevNode)) {
    const type = node.textContent.trim().slice(0, 1);
    const isNumeric = /[1iIaA]/.test(type);
    const newListNode = doc.createElement(isNumeric ? "ol" : "ul");
    if (isNumeric) {
      newListNode.setAttribute("type", type);
    }
    node.parentNode.insertBefore(newListNode, node);
  }
  const listNode = node.previousElementSibling;
  const listType = listNode.nodeName;
  const listItem = doc.createElement("li");
  let receivingNode = listNode;
  listItem.innerHTML = deepFilterHTML(node.innerHTML, [msListIgnore]);
  const matches = /mso-list\s*:[^;]+level([0-9]+)/i.exec(style);
  let level = matches ? parseInt(matches[1], 10) - 1 || 0 : 0;
  while (level--) {
    receivingNode = receivingNode.lastChild || receivingNode;
    if (isList(receivingNode)) {
      receivingNode = receivingNode.lastChild || receivingNode;
    }
  }
  if (!isList(receivingNode)) {
    receivingNode = receivingNode.appendChild(
      doc.createElement(listType)
    );
  }
  receivingNode.appendChild(listItem);
  node.parentNode.removeChild(node);
}
export {
  msListConverter as default
};
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