Replace @vercel/ncc with esbuild

esbuild.js

@@ -0,0 +1,76 @@
+const esbuild = require('esbuild')
+const path = require('path')
+const fs = require('fs')
+const mri = require('mri')
+
+const resolve = (...args) => path.resolve(__dirname, ...args)
+
+const args = mri(process.argv.slice(2), {
+  boolean: ['watch', 'minify'],
+  string: ['outfile', 'outdir', 'external'],
+})
+
+esbuild.build({
+  entryPoints: args._,
+  bundle: true,
+  platform: 'node',
+  external: [].concat(args.external),
+  format: 'cjs',
+  outdir: args.outdir,
+  outfile: args.outfile,
+  watch: args.watch,
+  minify: args.minify,
+  plugins: [
+    {
+      name: 'css',
+      setup(build) {
+        build.onResolve({ filter: /\.css$/, namespace: 'file' }, (args) => ({
+          path: require.resolve(args.path, { paths: [args.resolveDir] }),
+          namespace: 'css',
+        }))
+
+        build.onLoad({ filter: /.*/, namespace: 'css' }, async (args) => ({
+          contents: `
+              export default ${JSON.stringify(await fs.promises.readFile(args.path, 'utf8'))}
+            `,
+        }))
+      },
+    },
+    {
+      // https://github.com/evanw/esbuild/issues/1051#issuecomment-806325487
+      name: 'native-node-modules',
+      setup(build) {
+        // If a ".node" file is imported within a module in the "file" namespace, resolve
+        // it to an absolute path and put it into the "node-file" virtual namespace.
+        build.onResolve({ filter: /\.node$/, namespace: 'file' }, (args) => ({
+          path: require.resolve(args.path, { paths: [args.resolveDir] }),
+          namespace: 'node-file',
+        }))
+
+        // Files in the "node-file" virtual namespace call "require()" on the
+        // path from esbuild of the ".node" file in the output directory.
+        build.onLoad({ filter: /.*/, namespace: 'node-file' }, (args) => ({
+          contents: `
+              import path from ${JSON.stringify(args.path)}
+              import { resolve } from 'path'
+              module.exports = require(resolve(__dirname, path))
+            `,
+        }))
+
+        // If a ".node" file is imported within a module in the "node-file" namespace, put
+        // it in the "file" namespace where esbuild's default loading behavior will handle
+        // it. It is already an absolute path since we resolved it to one above.
+        build.onResolve({ filter: /\.node$/, namespace: 'node-file' }, (args) => ({
+          path: args.path,
+          namespace: 'file',
+        }))
+
+        // Tell esbuild's default loading behavior to use the "file" loader for
+        // these ".node" files.
+        let opts = build.initialOptions
+        opts.loader = opts.loader || {}
+        opts.loader['.node'] = 'file'
+      },
+    },
+  ],
+})