Move contents from Notable to Boostnote

notableToBoostnote.js

const fs = require('fs');
const { promisify } = require('util');
const metadataParser = require('markdown-yaml-metadata-parser');

const baseDir = '/path/to/Notable/notes';
const outputDir = '/path/to/Boostnote';

(async () => {
  const files = await promisify(fs.readdir)(baseDir);
  const fileList = files.filter((file) => /.*\.md$/.test(file) && fs.statSync(`${baseDir}/${file}`).isFile());
  const tags = new Set();
  for (let file of fileList) {
    const filePath = `${baseDir}/${file}`;
    const fileContent = await promisify(fs.readFile)(filePath, 'utf-8');
    const result = metadataParser(fileContent);
    let title = '';
    if (result.metadata.title) {
      title = result.metadata.title;
    } else if (m = result.content.match(/^# (.*)$/m, "$1")) {
      title = m[0].replace('# ', '');
    } else {
      try {
        title = result.content.split(/\r\n|\r|\n/).filter(l => l !== '')[0].replace(/#+ /, '');
      } catch (e) {
        continue;
      }
    }
    if (title === '') {
      title = '(change me)';
    }
    
    const id = r();
    const params = {
      _id: `note:${id}`,
      title: title,
      content: result.content,
      tags: result.metadata.tags || [],
      folderPathname: '/',
      data: {},
      createdAt: result.metadata.created || (new Date).toISOString(),
      updatedAt: result.metadata.modified || (new Date).toISOString(),
      trashed:false,
      _rev: r()
    };
    if (params.tags) {
      params.tags.forEach(v => tags.add(v));
    }
    const writePath = `${outputDir}/notes/${id}.json`;
    await promisify(fs.writeFile)(writePath, JSON.stringify(params), 'utf-8');
  }
  const configPath = `${outputDir}/boostnote.json`;
  const fileContent = await promisify(fs.readFile)(configPath, 'utf-8');
  const json = JSON.parse(fileContent);
  for (let v of tags) {
    json.tagMap[v] = {
      _id: `tag:${v}`,
      createdAt: (new Date).toISOString(),
      data: {},
      updatedAt: (new Date).toISOString()
    }
  }
  await promisify(fs.writeFile)(configPath, JSON.stringify(json), 'utf-8');
})();


const r = () => {
  return [1, 2].map(() => Math.random().toString(36).slice(-5)).join('_')
}