TypEcho to Hexo

index.js

#! /usr/bin/env node

const { readFileSync, existsSync, mkdirSync, writeFileSync } = require('fs'),
    { join, basename } = require('path');


/**
 * @param {Number} UNIX_TS
 *
 * @return {String} Example: `2019-01-14 21:21:21`
 */
function formatDate(UNIX_TS) {

    return  (new Date(UNIX_TS * 1000)).toISOString()
        .split( /[TZ.]/ ).slice(0, 2).join(' ');
}

/**
 * @param {String} line
 *
 * @return {Object}
 */
function parseRecord(line) {

    line = line.split(', ');

    const content = line.splice(5, Infinity).join(', ');

    line = line.concat( content ).map(text => text.replace(/^'?(.+?)'?$/, '$1'));

    return {
        name:       line[1].replace(/[\/:*?"<>|]/g, '_'),
        title:      line[1],
        createdAt:  formatDate( line[3] ),
        updatedAt:  formatDate( line[4] ),
        content:    line[5]
                        .replace(/^<!--markdown-->/, '')
                        .replace(/\\r\\n/g, '\n')
                        .replace(/\\(['"\\])/g, '$1')
    };
}


const [source, UID] = process.argv.slice(2);

console.time('Convert');

const SQL = readFileSync( source )  +  '',
    blog = [ ],
    folder = source.replace(/\.sql$/i, '')  +  (UID ? ('-' + UID) : '');

if (! existsSync( folder ))  mkdirSync( folder );

SQL.replace(/^(.+), \d+, (\d+), NULL, '(\w+)'/mg,  (_, data, author, type) => {

    if ((UID != null)  &&  (UID != author))  return;

    data = Object.assign(parseRecord( data ),  { author, type });

    blog.push( data );

    writeFileSync(
        `${folder}/${blog.length}-${data.name}.md`,
        `---
title: ${data.title}
date: ${data.createdAt}
---

${data.content}`
    );

    console.count('Article');

    console.log(`${data.createdAt.split(' ')[0]} ${data.title}`);
});


writeFileSync(`${folder}.json`,  JSON.stringify(blog, null, 4));

console.log('-----------');
console.timeEnd('Convert');

TypEcho-Hexo.md

TypEcho to Hexo

# Parse all Pages & Posts
node ./index path/to/typecho.sql

# Parse Pages & Posts of the User with ID 3
node ./index path/to/typecho.sql 3