simplified markers reducer

src/routePlanner/useMarkers.ts

@@ -19,10 +19,7 @@ export type ReducerAction =
           'add',
           {
               coordinates: Coordinates;
-              remove: (key: string) => void;
-              moveUp: (key: string) => void;
-              moveDown: (key: string) => void;
-              changeLongLabel: (key: string, newLongLabel: string) => void;
+              dispatcher: Dispatch<ReducerAction>;
           }
       >
     | GenericMarkerChangeReducerAction<'remove'>
@@ -65,11 +62,26 @@ export const markersReducer = (
                     key,
                     shortLabel: 'placeholder',
                     longLabel: key.substring(0, 4),
-                    remove: () => action.data.remove(key),
-                    moveUp: () => action.data.moveUp(key),
-                    moveDown: () => action.data.moveDown(key),
+                    remove: () =>
+                        action.data.dispatcher({
+                            type: 'remove',
+                            data: { key },
+                        }),
+                    moveUp: () =>
+                        action.data.dispatcher({
+                            type: 'moveUp',
+                            data: { key },
+                        }),
+                    moveDown: () =>
+                        action.data.dispatcher({
+                            type: 'moveDown',
+                            data: { key },
+                        }),
                     changeLongLabel: (newLongLabel: string) =>
-                        action.data.changeLongLabel(key, newLongLabel),
+                        action.data.dispatcher({
+                            type: 'changeLongLabel',
+                            data: { key, newLongLabel },
+                        }),
                     coordinates: action.data.coordinates,
                 },
             ]);
@@ -131,61 +143,21 @@ export const markersReducer = (
 
 export const createChangeStateMethods = (
     dispatchMarkers: Dispatch<ReducerAction>,
-) => {
-    const reorderMarkers = ({
-        oldIndex,
-        newIndex,
-    }: ReorderMarkersParams): void =>
-        dispatchMarkers({
-            type: 'reorder',
-            data: { oldIndex, newIndex },
-        });
-
-    const moveMarkerUp = (key: string) =>
-        dispatchMarkers({
-            type: 'moveUp',
-            data: { key },
-        });
-
-    const moveMarkerDown = (key: string) =>
-        dispatchMarkers({
-            type: 'moveDown',
-            data: { key },
-        });
-
-    const removeMarker = (key: string) =>
-        dispatchMarkers({
-            type: 'remove',
-            data: { key },
-        });
-
-    const changeMarkerLongLabel = (key: string, newLongLabel: string) =>
-        dispatchMarkers({
-            type: 'changeLongLabel',
-            data: { key, newLongLabel },
-        });
-
-    const addMarker = (coordinates: Coordinates) =>
+) => ({
+    addMarker: (coordinates: Coordinates) =>
         dispatchMarkers({
             type: 'add',
             data: {
                 coordinates,
-                moveUp: moveMarkerUp,
-                moveDown: moveMarkerDown,
-                remove: removeMarker,
-                changeLongLabel: changeMarkerLongLabel,
+                dispatcher: dispatchMarkers,
             },
-        });
-
-    return {
-        reorderMarkers,
-        moveMarkerUp,
-        moveMarkerDown,
-        removeMarker,
-        addMarker,
-        changeMarkerLongLabel,
-    };
-};
+        }),
+    reorderMarkers: ({ oldIndex, newIndex }: ReorderMarkersParams): void =>
+        dispatchMarkers({
+            type: 'reorder',
+            data: { oldIndex, newIndex },
+        }),
+});
 
 export const useMarkers = () => {
     const [markers, dispatchMarkers] = useReducer(markersReducer, []);