Node script to create a new post template for my blog.

node-create-post.js

#! /usr/bin/env node

const fs = require('fs');
const slugify = require('slug');
const inquirer = require('inquirer');
const open = require('open');
const pkgDir = require('pkg-dir');

inquirer.registerPrompt('datetime', require('inquirer-datepicker-prompt'));

(async () => {
  try {
    const rootDir = await pkgDir(__dirname);
    const answers = await inquirer.prompt([
      {
        type: 'input',
        name: 'title',
        message: 'Title',
      },
      {
        type: 'input',
        name: 'slug',
        default: (answers) => slugify(answers.title.toLowerCase()),
        message: 'Slug',
      },
      {
        type: 'checkbox',
        name: 'category',
        message: 'Select a category',
        choices: [
          { name: 'AWS' },
          { name: 'CDK' },
          { name: 'TypeScript' },
          { name: 'React' },
          { name: 'DevOps' },
        ],
        validate: (answer) =>
          answer.length ? true : 'You must choose a category',
      },
      {
        type: 'datetime',
        name: 'date',
        message: 'When would this post be published?',
        format: [
          'yyyy',
          '-',
          'mm',
          '-',
          'dd',
          ' ',
          'hh',
          ':',
          'MM',
          ':',
          'ss',
          ' ',
          'TT',
          ' ',
          'Z',
        ],
        validate: (answer) =>
          answer.length ? true : 'You must enter a valid date and time',
      },
      {
        type: 'datetime',
        name: 'modified',
        message: 'When was this post last modified?',
        format: [
          'yyyy',
          '-',
          'mm',
          '-',
          'dd',
          ' ',
          'hh',
          ':',
          'MM',
          ':',
          'ss',
          ' ',
          'TT',
          ' ',
          'Z',
        ],
      },
      {
        type: 'input',
        name: 'thumbnail',
        message: "Enter path to this post's thumbnail",
        default: (answers) => `./images/${answers.slug}/${answers.slug}.png`,
      },
      {
        type: 'input',
        name: 'desc',
        message: 'A short summary of the post: ',
      },
      {
        type: 'confirm',
        name: 'published',
        default: false,
        message: 'Publish?',
      },
    ]);

    const {
      title,
      slug,
      category,
      date,
      modified,
      thumbnail,
      desc,
      published,
    } = answers;

    const fileName = `${rootDir}/src/posts/blog/${slug}.md`;
    if (fs.existsSync(fileName)) {
      throw 'That post already exists!';
    }
    fs.writeFileSync(
      fileName,
      `---
title: '${title}'
category: '${category}'
date: '${date.toISOString()}'
modified: '${modified.toISOString()}'
thumbnail: '${thumbnail}'
desc: |
  ${desc}
published: ${published}
---

* <Start writing ...>
`
    );

    fs.mkdirSync(`${rootDir}/src/posts/blog/images/${slug}`, {
      recursive: true,
    });

    // Wait for 1 second(s) to give Gatsby time to create page before we open it.
    // Opening the pages immediately gives an error.
    await new Promise((resolve) => setTimeout(resolve, 1000));

    console.log(`\n${slug} was created!`);
    open(`http://localhost:8000/blog/${slug}`);
  } catch (error) {
    console.log({ error });
  }
})();