Adding code for detecting collisions in parameter names

tool/src/demo_gen/terminus.rs

@@ -1,4 +1,4 @@
-use std::collections::BTreeSet;
+use std::collections::{BTreeSet, HashMap};
 
 use diplomat_core::hir::{
     self, DemoInfo, Method, OpaqueDef, StructDef, StructPath, TyPosition, Type, TypeContext,
@@ -172,6 +172,20 @@ impl<'ctx, 'tcx> RenderTerminusContext<'ctx, 'tcx> {
             self.relative_import_path.clone(),
         );
 
+        let mut param_collision_dict : HashMap<String, i32> = HashMap::new();
+
+        for out_param in &mut self.terminus_info.out_params {
+            if param_collision_dict.contains_key(&out_param.param_name) {
+                let num = param_collision_dict.get(&out_param.param_name).unwrap();
+
+                out_param.param_name = format!("{}_{}", out_param.param_name, num);
+
+                param_collision_dict.insert(out_param.param_name.clone(), num + 1);
+            } else {
+                param_collision_dict.insert(out_param.param_name.clone(), 1);
+            }
+        }
+
         self.terminus_info.imports.insert(format);
     }
 

tool/templates/demo_gen/terminus.js.jinja

@@ -1,7 +1,7 @@
 export function {{function_name}}(
-    {%- if typescript %}{%- for param in out_params -%}
+    {%- for param in out_params -%}
     {{param.param_name}}{% if typescript %}: {{param.type_name}}{% endif %}{% if !loop.last %}, {% endif %}
-    {%- endfor -%}{% endif -%}
+    {%- endfor -%}
 ){% if typescript %};{% else %} {
     var terminusArgs = arguments;
     return {{node_call_stack|indent(4)}};