esbuild.js

const esbuild = require('esbuild');

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

const buildOptions = {
  entryPoints: ['src/extension.ts'],
  bundle: true,
  outfile: 'dist/extension.js',
  external: ['vscode'],
  format: 'cjs',
  platform: 'node',
  target: 'node18',
  sourcemap: true,
  minify: !isWatch,
  // Prefer ESM modules over CommonJS/UMD to ensure static imports are used.
  // This fixes bundling issues with jsonc-parser which has dynamic requires in its UMD build.
  mainFields: ['module', 'main'],
};

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

build().catch((err) => {
  console.error(err);
  process.exit(1);
});