Merge pull request #74 from ChainSafe/irubido/addWorkerModuleScript

fix: add missing web worker module bundler with post build script

Author: irubido

add-worker-module.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Create the directory if it doesn't exist
+mkdir -p packages/webz-wallet/snippets/wasm_thread-8ee53d0673203880/src/wasm32/js
+
+# Create the worker module file
+cat > packages/webz-wallet/snippets/wasm_thread-8ee53d0673203880/src/wasm32/js/web_worker_module.bundler.js << 'EOL'
+// synchronously, using the browser, import wasm_bindgen shim JS scripts
+import init, { wasm_thread_entry_point } from "../../../../../";
+// Wait for the main thread to send us the shared module/memory and work context.
+// Once we've got it, initialize it all with the `wasm_bindgen` global we imported via
+// `importScripts`.
+self.onmessage = event => {
+     let [ module, memory, work, thread_key ] = event.data;
+    init(module, memory).catch(err => {
+        console.log(err);
+        const error = new Error(err.message);
+        error.customProperty = "This error right here!";
+        // Propagate to main `onerror`:
+        setTimeout(() => {
+            throw error;
+        });
+        // Rethrow to keep promise rejected and prevent execution of further commands:
+        throw error;
+    }).then(() => {
+        // Enter rust code by calling entry point defined in `lib.rs`.
+        // This executes closure defined by work context.
+        wasm_thread_entry_point(work);
+    });
+};
+self.onunhandledrejection = function(e) {
+    console.error('Worker unhandled rejection:', e.reason);
+    throw e.reason;
+};
+self.onerror = function(e) {
+    console.error('Worker error:', e.message);
+    throw e;
+};
+
+self.onended = function(e) {
+    console.error('Worker ended:', e.message);
+    throw e;
+}
+EOL

justfile

@@ -8,6 +8,7 @@ build:
 
 build-wallet *features:
     cd crates/webz-wallet && wasm-pack build -t web --release --scope webzjs --out-dir ../../packages/webz-wallet --no-default-features --features="wasm wasm-parallel {{features}}" -Z build-std="panic_abort,std"
+    ./add-worker-module.sh
 
 build-keys *features:
     cd crates/webz-keys && wasm-pack build -t web --release --scope webzjs --out-dir ../../packages/webz-keys --no-default-features --features="{{features}}" -Z build-std="panic_abort,std"