Deltas in a separate package [wip]

scripts/buildShared.js

@@ -0,0 +1,39 @@
+const fs = require("fs");
+const { build } = require("esbuild");
+
+const rawConfig = {
+  entryPoints: ["src/index.ts"],
+  bundle: true,
+  format: "esm",
+  metafile: true,
+  treeShaking: true,
+  external: ["*.scss"],
+};
+
+const createESMRawBuild = async () => {
+  // Development unminified build with source maps
+  const dev = await build({
+    ...rawConfig,
+    outdir: "dist/dev",
+    sourcemap: true,
+    define: {
+      "import.meta.env": JSON.stringify({ DEV: true }),
+    },
+  });
+
+  fs.writeFileSync("meta-dev.json", JSON.stringify(dev.metafile));
+
+  // production minified build without sourcemaps
+  const prod = await build({
+    ...rawConfig,
+    outdir: "dist/prod",
+    minify: true,
+    define: {
+      "import.meta.env": JSON.stringify({ PROD: true }),
+    },
+  });
+
+  fs.writeFileSync("meta-prod.json", JSON.stringify(prod.metafile));
+};
+
+createESMRawBuild();