substance-bundler

const b = require('substance-bundler'); const postcss = require('substance-bundler/extensions/postcss'); const rollup = require('substance-bundler/extensions/rollup'); // Define a task to clean the build output directory b.task('clean', () => { b.rm('dist'); console.log('Removed dist directory.'); }); // Define a task to compile CSS using PostCSS extension b.task('css', () => { console.log('Bundling CSS...'); postcss(b, { from: 'styles/index.css', // Assumes 'styles/index.css' exists to: 'dist/app.css' }); }); // Define a task to bundle JavaScript using Rollup extension // Requires a rollup.config.js and an entry point like index.js b.task('js', () => { console.log('Bundling JavaScript with Rollup...'); // For a runnable example, ensure rollup.config.js and index.js exist const rollupConfig = require('./rollup.config.js'); rollup(b, rollupConfig); }); // Define a task to copy static assets b.task('copy-assets', () => { console.log('Copying assets...'); b.copy('./assets', 'dist/assets/'); // Assumes an 'assets' directory exists }); // Define the default task which runs other tasks sequentially b.task('default', ['clean', 'css', 'js', 'copy-assets'], () => { console.log('All default tasks completed!'); }); // Basic CLI runner (for demonstration, not part of bundler API itself) const tasksToRun = process.argv.slice(2).filter(arg => !arg.startsWith('-')); const watchMode = process.argv.includes('-w'); if (watchMode) { console.log('Running in watch mode...'); b.run(tasksToRun.length > 0 ? tasksToRun : ['default'], { watch: true }); } else { b.run(tasksToRun.length > 0 ? tasksToRun : ['default']); } // To run this script: // 1. Save as `make.js`. // 2. Create dummy `dist`, `styles`, `assets` directories. // 3. Create dummy `styles/index.css`, `index.js`, `rollup.config.js`. // 4. `npm install --save-dev rollup postcss @rollup/plugin-node-resolve` // 5. Execute: `node make.js` or `node make.js -w`