Switch from create-react-app-typescript to create-react-app proper

Now that `create-react-app` supports typescript, just use it instead of `create-react-app-typescript`, following the guide at https://vincenttunru.com/migrate-create-react-app-typescript-to-create-react-app/. Upgrading typescript caught an errorr in `index.d.ts`, sort of.

example/package.json

@@ -5,21 +5,23 @@
   "license": "MIT",
   "private": true,
   "dependencies": {
+    "@types/jest": "^23.3.10",
+    "@types/node": "^10.12.12",
     "emotion": "^9.2.12",
     "react": "^16.7.0-alpha.2",
     "react-dom": "^16.7.0-alpha.2",
-    "react-scripts-ts": "3.1.0",
+    "react-scripts": "^2.1.1",
     "redux": "^4.0.1"
   },
   "scripts": {
-    "start": "react-scripts-ts start",
-    "build": "react-scripts-ts build",
-    "test": "react-scripts-ts test --env=jsdom",
-    "eject": "react-scripts-ts eject"
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test --env=jsdom",
+    "eject": "react-scripts eject"
   },
   "devDependencies": {
     "@types/react": "^16.7.13",
-    "@types/react-dom": "^16.0.5",
-    "typescript": "^3.1.3"
+    "@types/react-dom": "^16.0.11",
+    "typescript": "^3.2.2"
   }
 }

package.json

@@ -13,8 +13,8 @@
     "npm": ">=5"
   },
   "scripts": {
-    "test": "cross-env CI=1 react-scripts-ts test --env=jsdom",
-    "test:watch": "react-scripts-ts test --env=jsdom",
+    "test": "react-scripts test --env=jsdom",
+    "test:watch": "react-scripts test --env=jsdom",
     "prettier": "prettier --config .prettierrc --write \"{src,example}/**/*.{js,ts,tsx}\"",
     "build": "rollup -c",
     "start": "rollup -c -w",
@@ -29,17 +29,16 @@
     "redux": "^4.0.1"
   },
   "devDependencies": {
-    "@types/jest": "^23.1.5",
+    "@types/jest": "^23.3.10",
     "@types/react": "^16.7.13",
-    "@types/react-dom": "^16.0.5",
+    "@types/react-dom": "^16.0.11",
     "babel-core": "^6.26.3",
     "babel-runtime": "^6.26.0",
     "cross-env": "^5.1.4",
     "gh-pages": "^2.0.1",
     "prettier": "^1.14.3",
     "react": "^16.7.0-alpha.2",
     "react-dom": "^16.7.0-alpha.2",
-    "react-scripts-ts": "^3.1.0",
     "redux": "^4.0.1",
     "rollup": "^0.66.6",
     "rollup-plugin-babel": "^4.0.3",
@@ -49,9 +48,13 @@
     "rollup-plugin-peer-deps-external": "^2.2.0",
     "rollup-plugin-typescript2": "^0.17.2",
     "rollup-plugin-url": "^2.0.1",
-    "typescript": "^3.1.3"
+    "typescript": "^3.2.2"
   },
   "files": [
     "dist"
-  ]
+  ],
+  "dependencies": {
+    "@types/node": "^10.12.12",
+    "react-scripts": "^2.1.1"
+  }
 }

src/index.ts

@@ -4,9 +4,7 @@ import {createContext, useContext, useEffect, useRef, useState} from 'react';
 import {Action, Dispatch, Store} from 'redux';
 import shallowEqual from './shallowEqual';
 
-export const StoreContext: React.Context<Store<any> | null> = createContext(
-  null,
-);
+export const StoreContext = createContext<Store<any> | null>(null);
 
 const CONTEXT_ERROR_MESSAGE =
   'redux-react-hook requires your Redux store to ' +
@@ -49,7 +47,7 @@ export function useMappedState<TState, TResult>(
   // state. This way we can compare with the previous version to know if
   // the component should re-render. Otherwise, we'd have pass derivedState
   // in the array of memoization paramaters to the second useEffect below,
-  // which would cause it to unsubscribe and resubscribe from Redux everytime
+  // which would cause it to unsubscribe and resubscribe from Redux every time
   // the state changes.
   const lastRenderedDerivedState = useRef(derivedState);
   // Set the last mapped state after rendering.

src/react-app-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="react-scripts" />

tsconfig.json

@@ -6,7 +6,7 @@
     "lib": ["es6", "dom", "es2016", "es2017"],
     "sourceMap": true,
     "allowJs": false,
-    "jsx": "react",
+    "jsx": "preserve",
     "declaration": true,
     "moduleResolution": "node",
     "forceConsistentCasingInFileNames": true,
@@ -16,7 +16,14 @@
     "strictNullChecks": true,
     "suppressImplicitAnyIndexErrors": true,
     "noUnusedLocals": true,
-    "noUnusedParameters": true
+    "noUnusedParameters": true,
+    "skipLibCheck": false,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "resolveJsonModule": true,
+    "isolatedModules": false,
+    "noEmit": true
   },
   "include": ["src"],
   "exclude": ["node_modules", "build", "dist", "example", "rollup.config.js"]