Mise en place structure frontend

frontend/src/store/reducers/flags.ts

@@ -0,0 +1,22 @@
+const defaultState = {
+  actions: {}
+};
+
+export function flagsReducer(state = defaultState, action: any) {
+  const matches = (/^(.*)_((SUCCESS)|(FAILURE)|(REQUEST))$/).exec(action.type);
+
+  if(!matches) return state;
+
+  const actionPrefix = matches[1];
+
+  return {
+    ...state,
+    actions: {
+      ...state.actions,
+      [actionPrefix]: {
+        isLoading: matches[2] === 'REQUEST'
+      }
+    }
+  };
+
+}