refactor: from Flow to TS, with React Hooks

Author: NicolasRonsmans

.babelrc

@@ -1,7 +1,7 @@
 {
-  "presets": [
-    "@babel/preset-flow",
-    "@babel/preset-env",
-    "@babel/preset-react"
+  "presets": ["@babel/env", "@babel/typescript", "@babel/react"],
+  "plugins": [
+    "@babel/proposal-class-properties",
+    "@babel/proposal-object-rest-spread"
   ]
 }

.flowconfig

@@ -0,0 +1,4 @@
+import { GATrackingId } from "./types";
+export declare function usePrevious(value: any): undefined;
+export declare function useGA(id?: GATrackingId): void;
+export declare function usePageViews(trackPathnameOnly: boolean, basename: string, debug?: boolean): void;

index.js

@@ -0,0 +1,4 @@
+/// <reference types="react" />
+import { ReactRouterGAProps } from "./types";
+declare function ReactRouterGA(props: ReactRouterGAProps): import("react").ReactNode;
+export default ReactRouterGA;

lib/hooks.d.ts

@@ -0,0 +1,9 @@
+/// <reference types="react" />
+export declare type GATrackingId = string;
+export interface ReactRouterGAProps {
+    id?: GATrackingId;
+    basename: string;
+    trackPathnameOnly: boolean;
+    children?: React.ReactNode;
+    debug?: boolean;
+}