Esbuild build script for Node.js projects

esbuild.js

#!/usr/bin/env node

const esbuild = require('esbuild');
const path = require('path');

const makeAllPackagesExternalPlugin = {
  name: 'make-all-packages-external',
  setup(build) {
    const filter = /^[^.\/]|^\.[^.\/]|^\.\.[^\/]/; // Must not start with "/" or "./" or "../"
    build.onResolve({ filter }, args => ({ path: args.path, external: true }));
  },
}

esbuild
  .build({
    bundle: true,
    minify: true,
    tsconfig: 'tsconfig.json',
    platform: 'node',
    target: 'node16.3',
    sourcemap: false,
    treeShaking: true,
    plugins: [makeAllPackagesExternalPlugin],
    outdir: 'lib',
    entryPoints: [path.join('src', 'index.ts')],
  })
  .catch(() => process.exit(1))