mark reverse deps correctly

Author: jfrolich

src/build/deps.rs

@@ -119,11 +119,23 @@ pub fn get_deps(build_state: &mut BuildState, deleted_modules: &AHashSet<String>
                 module.deps = deps.clone();
                 module.deps_dirty = false;
             }
-            deps.iter().for_each(|dep_name| {
-                if let Some(module) = build_state.modules.get_mut(dep_name) {
-                    module.dependents.insert(module_name.to_string());
-                }
-            });
         });
+    update_reverse_deps(build_state);
     build_state.deps_initialized = true;
 }
+
+pub fn update_reverse_deps(build_state: &mut BuildState) {
+    let deps = build_state
+        .modules
+        .iter()
+        .map(|(module_name, module)| (module_name.to_string(), module.deps.clone()))
+        .collect::<Vec<(String, AHashSet<String>)>>();
+
+    deps.iter().for_each(|(module_name, deps)| {
+        deps.iter().for_each(|dep_name| {
+            if let Some(dependent_module) = build_state.modules.get_mut(dep_name) {
+                dependent_module.dependents.insert(module_name.to_string());
+            }
+        });
+    })
+}