import * as esbuild from 'esbuild';
import { existsSync } from 'node:fs';

const watch = process.argv.includes('--watch');
const ctxOpts = {
  entryPoints: ['src/main.js'],
  outfile: 'Assets/assistent.bundle.js',
  bundle: true,
  format: 'iife',
  target: ['es2020'],
  sourcemap: false,
  logLevel: 'info',
};

if (watch) {
  const ctx = await esbuild.context(ctxOpts);
  await ctx.watch();
  console.log('watching src/ → Assets/assistent.bundle.js');
} else {
  await esbuild.build(ctxOpts);
  if (!existsSync('Assets/assistent.bundle.js')) {
    process.exit(1);
  }
  console.log('built Assets/assistent.bundle.js');
}