// esbuild config — bundles TS entry to a single content script
import * as esbuild from 'esbuild';
import { existsSync, mkdirSync } from 'node:fs';

const isWatch = process.argv.includes('--watch');
// Bundle lives under extension/dist/content/ so Chrome can load the
// extension directory without needing any files outside it.
const outdir = 'extension/dist/content';

if (!existsSync(outdir)) mkdirSync(outdir, { recursive: true });

const ctx = await esbuild.context({
  entryPoints: ['extension/content/index.ts'],
  bundle: true,
  format: 'iife',
  target: 'chrome109',
  outfile: `${outdir}/index.js`,
  sourcemap: 'linked',
  logLevel: 'info',
  banner: { js: '/* Beat Pocket content script */' },
});

if (isWatch) {
  await ctx.watch();
  console.log('esbuild watching…');
} else {
  const r = await ctx.rebuild();
  await ctx.dispose();
  if (r.errors.length) process.exit(1);
  console.log('build complete');
}