esbuild.cjs

const esbuild = require('esbuild');

const minifyJsonPlugin = {
  name: 'minify-json',
  setup(build) {
    build.onLoad({ filter: /\.json$/ }, async (args) => {
      const fs = require('fs/promises');
      const jsonContent = await fs.readFile(args.path, 'utf8');
      const minifiedContent = JSON.stringify(JSON.parse(jsonContent));
      return {
        contents: minifiedContent,
        loader: 'copy',
      };
    });
  },
};

const baseConfig = {
	keepNames: true,
	minify: true,
	plugins: [minifyJsonPlugin],
	external: ['node-fetch'],
	loader: {
	  '.json': 'copy',
	},
}

esbuild.build({
  ...baseConfig,
  entryPoints: ['src/index.ts'],
  bundle: true,
  outdir: 'dist/cjs',
  sourcemap: true,
  platform: 'node',
  format: 'cjs',
  target: 'node20',
  outExtension: { '.js': '.cjs' }, 
}).catch(() => process.exit(1));

esbuild.build({
  ...baseConfig,
  entryPoints: ['./src/index.ts'],
  bundle: true,
  sourcemap: true,
  format: 'esm',
  target: 'esnext',
  outdir: './dist/esm',
  platform: 'node',
  outExtension: { '.js': '.mjs' }, 
}).catch(() => process.exit(1));