Minify JS bundles

Author: mbg

build.mjs

@@ -66,6 +66,10 @@ const context = await esbuild.context({
   // Include upload-lib.ts as an entry point for use in testing environments.
   entryPoints: globSync([`${SRC_DIR}/*-action.ts`, `${SRC_DIR}/*-action-post.ts`, "src/upload-lib.ts"]),
   bundle: true,
+  minifySyntax: true,
+  minifyWhitespace: true,
+  // For better stack traces.
+  minifyIdentifiers: false,
   format: "cjs",
   outdir: OUT_DIR,
   platform: "node",