bundle.ts

import * as esbuild from 'esbuild';
import { match } from 'ts-pattern';
import { join, dirname } from 'node:path';
import copy from 'recursive-copy';
import { platform, homedir } from 'node:os';
import { readFile, rm, mkdir, copyFile } from 'node:fs/promises';
import { fileURLToPath } from 'node:url';

const __dirname = dirname(fileURLToPath(import.meta.url));

// Roughly https://github.com/demurgos/appdata-path/blob/master/lib/index.js but appdata local and .local/share, try to match `dirs` from rust
function getAppDataLocalPath() {
	const identifier = 'com.ironcladapp.rivet';
	return match(platform())
		.with('win32', () => join(homedir(), 'AppData', 'Local', identifier))
		.with('darwin', () => join(homedir(), 'Library', 'Application Support', identifier))
		.with('linux', () => join(homedir(), '.local', 'share', identifier))
		.otherwise(() => {
			if (platform().startsWith('win')) {
				return join(homedir(), 'AppData', 'Local', identifier);
			} else {
				return join(homedir(), '.local', 'share', identifier);
			}
		});
}

const syncPlugin: esbuild.Plugin = {
	name: 'onBuild',
	setup(build) {
		build.onEnd(async () => {
			const packageJson = JSON.parse(await readFile(join(__dirname, 'package.json'), 'utf-8'));
			const pluginName = packageJson.name;

			const rivetPluginsDirectory = join(getAppDataLocalPath(), 'plugins');
			const thisPluginDirectory = join(rivetPluginsDirectory, `${pluginName}-latest`);

			await rm(join(thisPluginDirectory, 'package'), {
				recursive: true,
				force: true,
			});
			await mkdir(join(thisPluginDirectory, 'package'), { recursive: true });

			await copy(join(__dirname, 'dist'), join(thisPluginDirectory, 'package', 'dist'));
			await copyFile(join(__dirname, 'package.json'), join(thisPluginDirectory, 'package', 'package.json'));

			// Copy .git to mark as locally installed plugin
			await copy(join(__dirname, '.git'), join(thisPluginDirectory, 'package', '.git'));

			console.log(`Synced ${pluginName} to Rivet at ${thisPluginDirectory}. Refresh or restart Rivet to see changes.`);
		});
	},
};

const options = {
	entryPoints: ['src/index.ts'],
	bundle: true,
	platform: 'neutral',
	target: 'es2020',
	outfile: 'dist/bundle.js',
	format: 'esm',
	logLevel: 'info',
	minify: false,
	loader: { '.png': 'file' },
	sourcemap: true,
	mainFields: ['main'],
	plugins: [] as esbuild.Plugin[],
} satisfies esbuild.BuildOptions;

if (process.argv.includes('--sync')) {
	options.plugins.push(syncPlugin);
}

if (process.argv.includes('--watch')) {
	const context = await esbuild.context(options);

	await context.watch();

	console.log('Watching for changes...');
} else {
	await esbuild.build(options);
}