Unified event loop (#3741)

* Unified event loop

* Update WebKit, add test for es-module-lexer

* Update README.md

* Use async wasm

* Explicitly set whether concurrenttask should be deinit'd

* Update package.json

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

2 files changed, 19 insertions, 7 deletions

diff --git a/src/js/bun/wasi-runner.js b/src/js/bun/wasi-runner.js
index a292c6380..9f7b469e1 100644
--- a/src/js/bun/wasi-runner.js
+++ b/src/js/bun/wasi-runner.js
@@ -11,7 +11,12 @@ if (!filePath) {
 
 // The module specifier is the resolved path to the wasm file
 
-var { WASM_CWD = process.cwd(), WASM_ROOT_DIR = "/", WASM_ENV_STR = undefined, WASM_USE_ASYNC_INIT = "" } = process.env;
+var {
+  WASM_CWD = process.cwd(),
+  WASM_ROOT_DIR = "/",
+  WASM_ENV_STR = undefined,
+  WASM_USE_ASYNC_INIT = "1",
+} = process.env;
 
 var env = process.env;
 if (WASM_ENV_STR?.length) {
@@ -34,10 +39,12 @@ if (!source) {
   source = fs.readFileSync(file);
 }
 
-const wasm = new WebAssembly.Module(source);
-const instance = !WASM_USE_ASYNC_INIT
+const wasm = await WebAssembly.compile(source);
+
+const instance = !Number(WASM_USE_ASYNC_INIT)
   ? new WebAssembly.Instance(wasm, wasi.getImports(wasm))
   : await WebAssembly.instantiate(wasm, wasi.getImports(wasm));
+
 wasi.start(instance);
 
-process.exit(0);
+process.reallyExit(0);
diff --git a/src/js/out/modules/bun/wasi-runner.js b/src/js/out/modules/bun/wasi-runner.js
index 9dfd27b23..47c5ade3c 100644
--- a/src/js/out/modules/bun/wasi-runner.js
+++ b/src/js/out/modules/bun/wasi-runner.js
@@ -1,7 +1,12 @@
 var filePath = process.argv.at(1);
 if (!filePath)
   throw err = new Error("To run a wasm file with Bun, the first argument must be a path to a .wasm file"), err.name = "WasmFileNotFound", err;
-var err, { WASM_CWD = process.cwd(), WASM_ROOT_DIR = "/", WASM_ENV_STR = void 0, WASM_USE_ASYNC_INIT = "" } = process.env, env = process.env;
+var err, {
+  WASM_CWD = process.cwd(),
+  WASM_ROOT_DIR = "/",
+  WASM_ENV_STR = void 0,
+  WASM_USE_ASYNC_INIT = "1"
+} = process.env, env = process.env;
 if (WASM_ENV_STR?.length)
   env = JSON.parse(WASM_ENV_STR);
 var wasi = new WASI({
@@ -16,6 +21,6 @@ if (!source) {
   const fs = Bun.fs(), file = import.meta.path;
   source = fs.readFileSync(file);
 }
-var wasm = new WebAssembly.Module(source), instance = !WASM_USE_ASYNC_INIT ? new WebAssembly.Instance(wasm, wasi.getImports(wasm)) : await WebAssembly.instantiate(wasm, wasi.getImports(wasm));
+var wasm = await WebAssembly.compile(source), instance = !Number(WASM_USE_ASYNC_INIT) ? new WebAssembly.Instance(wasm, wasi.getImports(wasm)) : await WebAssembly.instantiate(wasm, wasi.getImports(wasm));
 wasi.start(instance);
-process.exit(0);
+process.reallyExit(0);