refactor: ♻️ Rewrite build system to fit the monorepo architecture

packages/kit/build.ts

@@ -0,0 +1,41 @@
+import { $, build } from "bun";
+import manifest from "./package.json" with { type: "json" };
+
+console.log("Building...");
+
+await $`rm -rf dist && mkdir dist`;
+
+await build({
+    entrypoints: Object.values(manifest.exports).map((entry) => entry.import),
+    outdir: "dist",
+    target: "bun",
+    splitting: true,
+    minify: true,
+    external: [
+        ...Object.keys(manifest.dependencies).filter((dep) =>
+            dep.startsWith("@versia"),
+        ),
+        "acorn",
+    ],
+});
+
+console.log("Copying files...");
+
+// Copy Drizzle stuff
+// Copy to dist instead of dist/tables because the built files are at the top-level
+await $`cp -rL tables/migrations dist`;
+
+await $`mkdir -p dist/node_modules`;
+
+// Copy Sharp to dist
+await $`mkdir -p dist/node_modules/@img`;
+await $`cp -rL ../../node_modules/@img/sharp-libvips-linux* dist/node_modules/@img`;
+await $`cp -rL ../../node_modules/@img/sharp-linux* dist/node_modules/@img`;
+
+// Copy acorn to dist
+await $`cp -rL ../../node_modules/acorn dist/node_modules/acorn`;
+
+// Fixes issues with sharp
+await $`cp -rL ../../node_modules/detect-libc dist/node_modules/`;
+
+console.log("Build complete!");