esbuild.js

const esbuild = require('esbuild');

const watch = process.argv.includes('--watch');

/** @type {import('esbuild').BuildOptions} */
const buildOptions = {
  entryPoints: ['src/extension.ts'],
  bundle: true,
  outfile: 'dist/extension.js',
  external: ['vscode'],
  format: 'cjs',
  platform: 'node',
  target: 'node18',
  sourcemap: watch,
  minify: !watch,
  treeShaking: true,
  logLevel: 'info',
  metafile: !watch,
};

async function main() {
  if (watch) {
    const ctx = await esbuild.context(buildOptions);
    await ctx.watch();
    console.log('Watching for changes...');
  } else {
    await esbuild.build(buildOptions);
    console.log('Build complete.');
  }
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});