Initial "Hello World" for plugins

src-tauri/src/plugins.rs

@@ -0,0 +1,38 @@
+use boa_engine::{js_string, property::Attribute, Context, Source};
+use boa_runtime::Console;
+use tauri::AppHandle;
+
+pub fn test_plugins(app_handle: &AppHandle) {
+    let file = app_handle
+        .path_resolver()
+        .resolve_resource("plugins/hello-world.js")
+        .expect("failed to resolve resource");
+    let src = Source::from_filepath(&file).expect("Error opening file");
+
+    // Instantiate the execution context
+    let mut context = Context::default();
+    add_runtime(&mut context);
+
+    // Parse the source code
+    match context.eval(src) {
+        Ok(res) => {
+            println!(
+                "RESULT: {}",
+                res.to_string(&mut context).unwrap().to_std_string_escaped()
+            );
+        }
+        Err(e) => {
+            // Pretty print the error
+            eprintln!("Uncaught {e}");
+        }
+    };
+}
+
+/// Adds the custom runtime to the context.
+fn add_runtime(context: &mut Context<'_>) {
+    // We first add the `console` object, to be able to call `console.log()`.
+    let console = Console::init(context);
+    context
+        .register_global_property(js_string!(Console::NAME), console, Attribute::all())
+        .expect("the console builtin shouldn't exist");
+}