Fixed most of the manual errors.

.eslintignore

@@ -1,3 +1,4 @@
 node_modules/
 lib/
-example/
+example/
+jest.config.ts

__tests__/example.spec.tsx

@@ -1,10 +1,13 @@
 import React from "react";
 import { render } from "@testing-library/react";
 
-
 it("works", () => {
-  const component = render(<div><span>Hello World!</span></div>);
+  const component = render(
+    <div>
+      <span>Hello World!</span>
+    </div>
+  );
   const text = component.getByText("Hello World!");
 
   expect(text).toBeInTheDocument();
-});
+});

jest.init.ts

@@ -1,3 +1,3 @@
 // Add custom matches specifically related to DOM assertions.
 // More info here: https://testing-library.com/docs/ecosystem-jest-dom/
-import "@testing-library/jest-dom";
+import "@testing-library/jest-dom";

playwright.config.ts

@@ -7,7 +7,7 @@ const config: PlaywrightTestConfig = {
   testMatch: /.*\.e2e\.ts/,
   timeout: 30 * 1000,
   expect: {
-    timeout: 5000
+    timeout: 5000,
   },
   forbidOnly: runningInCI,
   retries: runningInCI ? 2 : 0,

src/controllers/WalletController.ts

@@ -109,7 +109,7 @@ class WalletController {
     return null;
   }
 
-  on(event: EventList, callback: () => {}) {
+  on(event: EventList, callback: () => void) {
     this.emitter.on(event, callback);
   }
 }

src/core/NearWalletSelector.tsx

@@ -73,7 +73,7 @@ export default class NearWalletSelector {
     return this.walletController.getAccount();
   }
 
-  on(event: EventList, callback: () => {}) {
+  on(event: EventList, callback: () => void) {
     this.emitter.on(event, callback);
   }
 }

src/modal/Modal.tsx

@@ -23,16 +23,11 @@ function Modal(): JSX.Element {
   const [state, setState] = useState(getState());
 
   useEffect(() => {
-    window.updateWalletSelector = (state) => {
-      setState(state);
+    window.updateWalletSelector = (nextState) => {
+      setState(nextState);
     };
   }, []);
 
-  function handleCloseModal(event: any) {
-    event.preventDefault();
-    if (event.target === event.currentTarget) onCloseModalHandler();
-  }
-
   function onCloseModalHandler() {
     updateState((prevState) => ({
       ...prevState,
@@ -44,6 +39,11 @@ function Modal(): JSX.Element {
     setWalletInfoVisible(false);
   }
 
+  function handleCloseModal(event: any) {
+    event.preventDefault();
+    if (event.target === event.currentTarget) onCloseModalHandler();
+  }
+
   function getThemeClass(theme: string | null) {
     let themeClass = "";
     switch (theme) {

src/types/CustomWalletOptions.ts

@@ -2,9 +2,9 @@ type CustomWalletOptions = {
   name: string;
   description: string;
   icon: string;
-  onConnectFunction: Function;
-  onDisconnectFunction: Function;
-  isConnectedFunction: Function;
+  onConnectFunction: () => void;
+  onDisconnectFunction: () => void;
+  isConnectedFunction: () => boolean;
 };
 
 export default CustomWalletOptions;

src/utils/EventsHandler.ts

@@ -6,20 +6,20 @@ type EventMap = Record<EventList, unknown>;
 type EventKey = keyof EventMap;
 
 export interface Emitter<T extends EventMap = EventMap> {
-  on<K extends EventKey>(eventName: K, callback: () => {}): void;
+  on<K extends EventKey>(eventName: K, callback: () => void): void;
 
-  off<K extends EventKey>(eventName: K, callback: () => {}): void;
+  off<K extends EventKey>(eventName: K, callback: () => void): void;
 
   emit<K extends EventKey>(eventName: K, params?: T[K]): void;
 }
 
 export class EventHandler<T extends EventMap> implements Emitter<T> {
   private emitter = new EventEmitter();
-  on<K extends EventKey>(eventName: K, callback: () => {}) {
+  on<K extends EventKey>(eventName: K, callback: () => void) {
     this.emitter.on(eventName, callback);
   }
 
-  off<K extends EventKey>(eventName: K, callback: () => {}) {
+  off<K extends EventKey>(eventName: K, callback: () => void) {
     this.emitter.off(eventName, callback);
   }
 

src/wallets/CustomWallet.ts

@@ -3,19 +3,19 @@ import BaseWallet from "./BaseWallet";
 
 // TODO: Needs to have CustomWallet for every wallet type, also when developer is adding new wallet a type is needed
 export default class CustomWallet extends BaseWallet {
-  private onConnectFunction: Function;
-  private onDisconnectFunction: Function;
-  private isConnectedFunction: Function;
+  private onConnectFunction: () => void;
+  private onDisconnectFunction: () => void;
+  private isConnectedFunction: () => boolean;
 
   constructor(
     emitter: Emitter,
     id: string,
     name: string,
     description: string,
     icon: string,
-    onConnectFunction: Function,
-    onDisconnectFunction: Function,
-    isConnectedFunction: Function
+    onConnectFunction: () => void,
+    onDisconnectFunction: () => void,
+    isConnectedFunction: () => boolean
   ) {
     super(emitter, id, name, description, icon);
 
@@ -24,15 +24,15 @@ export default class CustomWallet extends BaseWallet {
     this.setIsConnectedFunction(isConnectedFunction);
   }
 
-  setOnConnectFunction(onConnectFunction: Function) {
+  setOnConnectFunction(onConnectFunction: () => void) {
     this.onConnectFunction = onConnectFunction;
   }
 
-  setOnDisconnectFunction(onDisconnectFunction: Function) {
+  setOnDisconnectFunction(onDisconnectFunction: () => void) {
     this.onDisconnectFunction = onDisconnectFunction;
   }
 
-  setIsConnectedFunction(isConnectedFunction: Function) {
+  setIsConnectedFunction(isConnectedFunction: () => boolean) {
     this.isConnectedFunction = isConnectedFunction;
   }
 
@@ -52,11 +52,19 @@ export default class CustomWallet extends BaseWallet {
     return this.isConnectedFunction();
   }
 
-  async signIn() {}
+  async signIn() {
+    throw new Error("Not implemented");
+  }
 
-  async getAccount() {}
+  async getAccount() {
+    throw new Error("Not implemented");
+  }
 
-  async view() {}
+  async view() {
+    throw new Error("Not implemented");
+  }
 
-  async call() {}
+  async call() {
+    throw new Error("Not implemented");
+  }
 }

tsconfig.json

@@ -17,6 +17,17 @@
     "suppressImplicitAnyIndexErrors": true,
     "allowSyntheticDefaultImports": true
   },
-  "include": ["src"],
-  "exclude": ["node_modules", "lib"]
+  "include": [
+    "__tests__",
+    "e2e",
+    "src",
+    "jest.config.ts",
+    "jest.init.ts",
+    "playwright.config.ts"
+  ],
+  "exclude": [
+    "node_modules",
+    "lib",
+    "example"
+  ]
 }