Move to Typescript.

src/state/state.ts

@@ -0,0 +1,18 @@
+import Coordinates from "../model/Coordinates";
+import Maze from "../model/Maze";
+
+export interface State {
+    errorMessage: string | null,
+    loading: boolean,
+    maze: Maze | null,
+    showSolution: boolean,
+    userPath: Coordinates[]
+}
+
+export const INITIAL_STATE: State = {
+    errorMessage: null,
+    loading: false,
+    maze: null,
+    showSolution: false,
+    userPath: []
+};