create local file when create view with type doc

scripts/flowy-tool/src/dart_event/dart_event.rs

@@ -114,6 +114,10 @@ pub fn ast_to_event_render_ctx(ast: &Vec<EventASTContext>) -> Vec<EventRenderCon
                 Some(ref event_output) => Some(event_output.get_ident().unwrap().to_string()),
                 None => None,
             };
+            // eprintln!(
+            //     "😁 {:?} / {:?}",
+            //     event_ast.event_input, event_ast.event_output
+            // );
 
             return EventRenderContext {
                 input_deserializer,

scripts/flowy-tool/src/dart_event/event_template.rs

@@ -44,8 +44,14 @@ impl EventTemplate {
             Some(ref input) => self.tera_context.insert("input_deserializer", input),
         }
 
-        self.tera_context
-            .insert("has_output", &ctx.output_deserializer.is_some());
+        // eprintln!(
+        //     "😁 {:?} / {:?}",
+        //     &ctx.input_deserializer, &ctx.output_deserializer
+        // );
+
+        let has_output = ctx.output_deserializer.is_some();
+        self.tera_context.insert("has_output", &has_output);
+
         match ctx.output_deserializer {
             None => self.tera_context.insert("output_deserializer", "Unit"),
             Some(ref output) => self.tera_context.insert("output_deserializer", output),

scripts/flowy-tool/src/dart_event/event_template.tera

@@ -19,8 +19,13 @@ class {{ event_class }} {
 
     return Dispatch.asyncRequest(request)
         .then((bytesResult) => bytesResult.fold(
-          (okBytes) => left({{ output_deserializer }}.fromBuffer(okBytes)),
-          (errBytes) => right({{ error_deserializer }}.fromBuffer(errBytes)),
+
+        {%- if has_output  %}
+           (okBytes) => left({{ output_deserializer }}.fromBuffer(okBytes)),
+        {%- else %}
+           (bytes) => left(unit),
+        {%- endif %}
+           (errBytes) => right({{ error_deserializer }}.fromBuffer(errBytes)),
         ));
 
 {%- else %}