create-seia-app/dist/index.js

Create Seia.js apps with one command

import { cp, rm, writeFile } from 'node:fs/promises';
import { dirname } from 'node:path';
import { fileURLToPath } from 'node:url';
import { Args, Command } from '@oclif/core';
import { Liquid } from 'liquidjs';
import prompts from 'prompts';
import walkdir from 'walkdir';
export default class Index extends Command {
    static args = {
        name: Args.string({
            description: 'Name for the new project'
        })
    };
    static description = 'Create a new Seia project';
    static examples = [
        '<%= config.bin %>',
        '<%= config.bin %> <Name>'
    ];
    static flags = {};
    static templateExtension = '.liquid';
    static normalizeProjectName(name) {
        return name.trim();
    }
    static isValidPackageName(name) {
        return /^(?:@[a-z\d\-*~][a-z\d\-*._~]*\/)?[a-z\d\-~][a-z\d\-._~]*$/.test(name);
    }
    async render(path, context) {
        const liquid = new Liquid();
        // TODO: use Promise.all to parallelize
        for (const template of (await walkdir.async(path, {
            filter: (_, files)=>files.filter((file)=>file.endsWith(Index.templateExtension))
        }))){
            await writeFile(template.slice(0, -Index.templateExtension.length), await liquid.renderFile(template, context));
            await rm(template);
        }
    }
    async run() {
        const { args, flags } = await this.parse(Index);
        const result = await prompts([
            {
                type: args.name ? null : 'text',
                name: 'name',
                message: 'Project name:',
                initial: 'seia-app'
            },
            {
                type: (previous)=>Index.isValidPackageName(previous) ? null : 'text',
                name: 'package',
                message: 'Package name:',
                initial: 'seia-app'
            },
            {
                type: 'toggle',
                name: 'ts',
                message: 'Use TypeScript?',
                active: 'yes',
                inactive: 'no',
                initial: true
            }
        ]);
        const { name, package: _package, ts } = result;
        const template = ts ? 'typescript' : 'javascript';
        const currentFilename = fileURLToPath(import.meta.url);
        const currentDirname = dirname(currentFilename);
        await cp(`${currentDirname}/../templates/${template}`, name, {
            recursive: true
        });
        const context = {
            name,
            package: _package
        };
        await this.render(name, context);
        const indent = '  ';
        console.log(`\n${indent}Created project ${name} with ${template} template!\n\n${indent}$ cd ${name}\n${indent}$ npm install\n${indent}$ npm run build\n${indent}$ npm run start\n\n${indent}Happy hacking! 🚀`);
    }
}