refactor(natives/wasm): restructured WASM module loading to use import.meta.resolve() for better resolution

- Refactored WASM module loading to use import.meta.resolve() instead of URL constructor for better module resolution.

packages/natives/scripts/build-wasm.ts

@@ -41,8 +41,21 @@ if (optResult.exitCode !== 0) {
 	await fs.copyFile(wasmSrc, wasmDst);
 }
 
-// Copy JS bindings
-await fs.copyFile(path.join(pkgDir, "pi_natives.js"), path.join(wasmDir, "pi_natives.js"));
+// Copy and patch JS bindings for Bun compiled binary compatibility
+// wasm-bindgen uses `new URL('file.wasm', import.meta.url)` which doesn't work
+// in Bun's single-file executable. We use asset import + import.meta.resolve() instead.
+const jsDst = path.join(wasmDir, "pi_natives.js");
+await fs.copyFile(path.join(pkgDir, "pi_natives.js"), jsDst);
+let jsContent = await Bun.file(jsDst).text();
+jsContent = jsContent.replace(
+	"/* @ts-self-types=",
+	'import wasmPath from "./pi_natives_bg.wasm";\n\n/* @ts-self-types='
+);
+jsContent = jsContent.replace(
+	"const wasmUrl = new URL('pi_natives_bg.wasm', import.meta.url);",
+	"const wasmUrl = import.meta.resolve(wasmPath);"
+);
+await Bun.write(jsDst, jsContent);
 
 // Copy d.ts bindings
 await fs.copyFile(path.join(pkgDir, "pi_natives.d.ts"), path.join(wasmDir, "pi_natives.d.ts"));

packages/natives/wasm/pi_natives.js

@@ -1,5 +1,7 @@
 /* @ts-self-types="./pi_natives.d.ts" */
 
+import wasmPath from "./pi_natives_bg.wasm";
+
 /**
  * A compiled regex matcher that can be reused across multiple searches.
  */
@@ -651,6 +653,6 @@ const cachedTextEncoder = new TextEncoder();
 
 let WASM_VECTOR_LEN = 0;
 
-const wasmUrl = new URL('pi_natives_bg.wasm', import.meta.url);
+const wasmUrl = import.meta.resolve(wasmPath);
 const wasmInstantiated = await WebAssembly.instantiateStreaming(fetch(wasmUrl), __wbg_get_imports());
 const wasm = wasmInstantiated.instance.exports;