build: embed ggml-common.h into ggml-metal.metal

Author: JacobLinCool

src/binding.ts

@@ -1,5 +1,5 @@
 process.env.GGML_METAL_PATH_RESOURCES =
-	process.env.GGML_METAL_PATH_RESOURCES || path.join(__dirname, "../whisper.cpp");
+	process.env.GGML_METAL_PATH_RESOURCES || path.join(__dirname, "../whisper.cpp/ggml/src");
 
 import path from "node:path";
 import { TranscribeFormat, TranscribeParams, TranscribeResult } from "./types";

tsup.config.ts

@@ -1,7 +1,15 @@
 import { defineConfig } from "tsup";
+import { readFileSync, writeFileSync } from "node:fs";
 
 export default defineConfig({
 	entry: ["src/index.ts", "src/build.ts"],
 	outDir: "dist",
 	dts: true,
+	async onSuccess() {
+		// replace `#include "ggml-common.h" in whisper.cpp/ggml/src/ggml-metal.metal with full content
+		const metal = readFileSync("whisper.cpp/ggml/src/ggml-metal.metal", "utf-8");
+		const common = readFileSync("whisper.cpp/ggml/src/ggml-common.h", "utf-8");
+		const replaced = metal.replace(/#include "ggml-common.h"/, common);
+		writeFileSync("whisper.cpp/ggml/src/ggml-metal.metal", replaced);
+	},
 });