can we compile the std library with special features

src/core/instance/mod.rs

@@ -409,6 +409,27 @@ impl Instance {
             debug!("spawning thread: {}", name_to_move);
             let my_thread_id = my_thread_id_no_mutex_guard;
 
+
+            #[cfg(feature = "wasm-target")]
+            unsafe {
+// console_log macro
+use wasm_bindgen::prelude::*;
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace = console)]
+    fn log(s: &str);
+}
+macro_rules! console_log {
+    // Note that this is using the `log` function imported above during
+    // `bare_bones`
+    ($($t:tt)*) => (log(&format_args!($($t)*).to_string()))
+}
+//end of console_log macro
+            console_log!("in other threadddddddddddddd");
+            }
+
+
+
             func()?;
 
             let mut threads_inner = thread_mutex.lock()?;

src/core/instance/updater.rs

@@ -49,6 +49,23 @@ pub fn updater_thread(operation_rx : Receiver<Operation>, instance: &Instance) -
 }
 
 pub fn handle_operation(operation: &mut Operation, instance: &Instance) -> MizeResult<()> {
+    #[cfg(feature = "wasm-target")]
+    unsafe {
+// console_log macro
+use wasm_bindgen::prelude::*;
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace = console)]
+    fn log(s: &str);
+}
+macro_rules! console_log {
+    // Note that this is using the `log` function imported above during
+    // `bare_bones`
+    ($($t:tt)*) => (log(&format_args!($($t)*).to_string()))
+}
+//end of console_log macro
+        console_log!("handle operation....");
+    }
     match operation {
         Operation::Set(id, value, maybe_conn) => {
             let item_data: ItemData = value.to_owned();

src/platform/wasm/mod.rs

@@ -1,4 +1,3 @@
-use wasm_bindgen::prelude::*;
 use std::ptr::NonNull;
 use std::panic;
 use web_sys::js_sys;
@@ -10,9 +9,11 @@ use crate::instance::{self, Instance};
 use crate::error::MizeResult;
 use crate::{mize_err, Module};
 use crate::MizeError;
+use crate::core::item::IntoItemData;
 
 
 // console_log macro
+use wasm_bindgen::prelude::*;
 #[wasm_bindgen]
 extern "C" {
     #[wasm_bindgen(js_namespace = console)]
@@ -131,6 +132,12 @@ impl JsInstance {
         return js_instance;
     }
 
+    #[wasm_bindgen]
+    pub unsafe fn test(&mut self) -> () {
+        console_log!("hiiiiiiiiiiiiiiii from test");
+        self.inner.as_mut().set("0/config/hello", "hello world".into_item_data());
+    }
+
     //#[wasm_bindgen]
 
 }