2 files changed, 42 insertions, 33 deletions

diff --git a/src/js/_codegen/build-functions.ts b/src/js/_codegen/build-functions.ts
index fcce0263a..0f752e8a1 100644
--- a/src/js/_codegen/build-functions.ts
+++ b/src/js/_codegen/build-functions.ts
@@ -3,38 +3,7 @@ import path from "path";
 import { sliceSourceCode } from "./builtin-parser";
 import { applyGlobalReplacements, define } from "./replacements";
 import { cap, fmtCPPString, low } from "./helpers";
-import { spawn } from "bun";
-
-async function createStaticHashtables() {
-  const STATIC_HASH_TABLES = ["src/bun.js/bindings/Process.cpp", "src/bun.js/bindings/BunObject.cpp"];
-  console.time("Creating static hash tables...");
-  const create_hash_table = path.join(import.meta.dir, "../../../src/bun.js/scripts/create_hash_table");
-  if (!create_hash_table) {
-    console.warn(
-      "Could not find create_hash_table executable. Run `bun i` or clone webkit to build static hash tables",
-    );
-    return;
-  }
-  for (let cpp of STATIC_HASH_TABLES) {
-    cpp = path.join(import.meta.dir, "../../../", cpp);
-    const { stdout, exited } = spawn({
-      cmd: [create_hash_table, cpp],
-      stdout: "pipe",
-      stderr: "inherit",
-    });
-    await exited;
-    let str = await new Response(stdout).text();
-    str = str.replaceAll(/^\/\/.*$/gm, "");
-    str = str.replaceAll(/^#include.*$/gm, "");
-    str = str.replaceAll(`namespace JSC {`, "");
-    str = str.replaceAll(`} // namespace JSC`, "");
-    str = "// File generated via `make generate-builtins`\n" + str.trim() + "\n";
-    await Bun.write(cpp.replace(/\.cpp$/, ".lut.h"), str);
-  }
-  console.timeEnd("Creating static hash tables...");
-}
 
-const staticHashTablePromise = createStaticHashtables();
 console.log("Bundling Bun builtin functions...");
 
 const MINIFY = process.argv.includes("--minify") || process.argv.includes("-m");
@@ -634,8 +603,6 @@ if (!KEEP_TMP) {
   await rmSync(TMP_DIR, { recursive: true });
 }
 
-await staticHashTablePromise;
-
 console.log(
   `Embedded JS size: %s bytes (across %s functions, %s files)`,
   totalJSSize,
diff --git a/src/js/_codegen/static-hash-tables.ts b/src/js/_codegen/static-hash-tables.ts
new file mode 100644
index 000000000..be2aa908d
--- /dev/null
+++ b/src/js/_codegen/static-hash-tables.ts
@@ -0,0 +1,42 @@
+// TODO: move this file somewhere else. it doesnt make sense in src/js/
+// it generates C++ code not related to javascript at all
+import { spawn } from "bun";
+import path from "../node/path";
+
+const STATIC_HASH_TABLES = [
+  //
+  "src/bun.js/bindings/BunObject.cpp",
+  "src/bun.js/bindings/ZigGlobalObject.lut.txt",
+  "src/bun.js/bindings/Process.cpp",
+  "src/bun.js/bindings/ProcessBindingConstants.cpp",
+  "src/bun.js/bindings/ProcessBindingNatives.cpp",
+];
+
+console.time("Creating static hash tables...");
+const create_hash_table = path.join(import.meta.dir, "../../../src/bun.js/scripts/create_hash_table");
+if (!create_hash_table) {
+  console.warn("Could not find create_hash_table executable. Run `bun i` or clone webkit to build static hash tables");
+  process.exit(1);
+}
+
+await Promise.all(
+  STATIC_HASH_TABLES.map(async cpp => {
+    cpp = path.join(import.meta.dir, "../../../", cpp);
+    const { stdout, exited } = spawn({
+      cmd: [create_hash_table, cpp],
+      stdout: "pipe",
+      stderr: "inherit",
+    });
+    await exited;
+    let str = await new Response(stdout).text();
+    str = str.replaceAll(/^\/\/.*$/gm, "");
+    str = str.replaceAll(/^#include.*$/gm, "");
+    str = str.replaceAll(`namespace JSC {`, "");
+    str = str.replaceAll(`} // namespace JSC`, "");
+    str = "// File generated via `make static-hash-table` / `make cpp`\n" + str.trim() + "\n";
+    await Bun.write(cpp.replace(/\.cpp$/, ".lut.h").replace(/(\.lut)?\.txt$/, ".lut.h"), str);
+    console.log("Wrote", path.relative(process.cwd(), cpp.replace(/\.cpp$/, ".lut.h")));
+  }),
+);
+
+console.timeEnd("Creating static hash tables...");