@mieweb/wikigdrive/apps/wgd-action-runner/site/navigation2menu.mjs

Google Drive to MarkDown synchronization

#!/usr/bin/node

/**
 * In order to generate menu.en.json from markdown file run:
 *
 * cat content/navigation.md | ./navigation2menu.js > config/_default/menu.en.json
 */

// Work on POSIX and Windows
import fs from 'node:fs';
const stdinBuffer = fs.readFileSync(0); // STDIN_FILENO = 0

const markdown = stdinBuffer.toString();

let weight = 10;

const parentStack = [];
const menu = [];

let lastContent = 'First line';

for (const line of markdown.split('\n')) {
  if (!line.match(/^ *\* /)) {
    continue;
  }
  const indentPart = line.replace(/(^ *\* ).*/, '$1');
  const markdownLink = line.substring(indentPart.length);
  const matched = markdownLink.match(/\[([^\]]+)]\(([^)]+)\)/);
  if (!matched) {
    console.warn(`Warning: navigation.md menu has "${markdownLink}" without url near: "${lastContent}"`);
    continue;
  }
  const [_, name, pageRef] = matched;
  const level = (indentPart.length - 2)/3;

  while (parentStack.length > level) {
    parentStack.pop();
  }

  const identifier = pageRef;

  if (pageRef.startsWith('http://') || pageRef.startsWith('https://') || fs.existsSync('./content/' + pageRef)) {
    menu.push({
      identifier,
      name,
      pageRef,
      parent: parentStack[parentStack.length - 1],
      weight
    });
  } else {
    console.warn(`Warning: navigation.md menu has "${markdownLink}" without file: "${pageRef}"`);
  }

  weight += 10;
  parentStack.push(identifier);
  lastContent = markdownLink;
}

console.log(JSON.stringify({ main: menu }, null, 4));