Add op_hello

src-tauri/src/runtime.rs

@@ -1,6 +1,6 @@
 use deno_ast::{MediaType, ParseParams, SourceTextInfo};
 use deno_core::error::AnyError;
-use deno_core::{Extension, JsRuntime, ModuleSource, ModuleType, RuntimeOptions};
+use deno_core::{op, Extension, JsRuntime, ModuleSource, ModuleType, RuntimeOptions};
 use std::rc::Rc;
 
 use deno_core::futures::FutureExt;
@@ -11,7 +11,9 @@ pub fn run_plugin_sync(file_path: &str) -> Result<(), AnyError> {
 }
 
 pub async fn run_plugin(file_path: &str) -> Result<(), AnyError> {
-    let extension = Extension::builder("pluginjs").ops(vec![]).build();
+    let extension = Extension::builder("runtime")
+        .ops(vec![op_hello::decl()])
+        .build();
 
     // Initialize a runtime instance
     let mut runtime = JsRuntime::new(RuntimeOptions {
@@ -31,6 +33,13 @@ pub async fn run_plugin(file_path: &str) -> Result<(), AnyError> {
     result.await?
 }
 
+#[op]
+async fn op_hello(name: String) -> Result<String, AnyError> {
+    let contents = format!("Hello {} from Rust!", name);
+    println!("{}", contents);
+    Ok(contents)
+}
+
 struct TsModuleLoader;
 
 impl deno_core::ModuleLoader for TsModuleLoader {

src-tauri/src/runtime.ts

@@ -1,4 +1,6 @@
 (function (globalThis) {
+  Deno.core.initializeAsyncOps();
+
   function argsToMessage(...args) {
     return args.map((arg) => JSON.stringify(arg)).join(' ');
   }