chore: switch to eslint

replaced tslint with eslint and updated all dependencies to the latest

.eslintignore

@@ -0,0 +1,4 @@
+node_modules
+dist
+coverage
+.eslintrc.*

.eslintrc.js

@@ -0,0 +1,23 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'],
+  rules: {
+    '@typescript-eslint/no-inferrable-types': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+    'no-undef': 'off',
+    '@typescript-eslint/no-empty-function': 'off',
+  },
+  overrides: [
+    {
+      files: ['**/*.spec.ts'],
+      rules: {
+        '@typescript-eslint/no-explicit-any': 'off',
+        '@typescript-eslint/no-unused-vars': 'off',
+        '@typescript-eslint/ban-types': 'off',
+        '@typescript-eslint/no-empty-function': 'off',
+      },
+    },
+  ],
+};

package.json

@@ -22,7 +22,7 @@
     "test:watch": "jest --watch",
     "test:full": "run-s lint test",
     "format:fix": "pretty-quick --staged",
-    "lint": "tslint -p .",
+    "lint": "eslint . --ext .js,.ts",
     "prepublishOnly": "yarn run build",
     "postpublish": "yarn run clean",
     "semantic-release": "semantic-release",
@@ -47,24 +47,27 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@commitlint/cli": "15.0.0",
-    "@commitlint/config-conventional": "15.0.0",
-    "@types/jest": "^27.0.3",
+    "@commitlint/cli": "16.2.1",
+    "@commitlint/config-conventional": "16.2.1",
+    "@types/jest": "^27.4.1",
+    "@typescript-eslint/eslint-plugin": "5.12.1",
+    "@typescript-eslint/parser": "5.12.1",
     "all-contributors-cli": "6.20.0",
     "commitizen": "4.2.4",
     "cz-conventional-changelog": "3.3.0",
     "doctoc": "2.1.0",
-    "husky": "^7.0.0",
-    "jest": "^27.4.4",
+    "eslint": "8.10.0",
+    "eslint-config-prettier": "8.4.0",
+    "husky": "^7.0.4",
+    "jest": "^27.5.1",
     "npm-run-all": "^4.1.5",
     "prettier": "2.5.1",
-    "pretty-quick": "3.1.2",
+    "pretty-quick": "3.1.3",
     "rimraf": "3.0.2",
-    "rxjs": "~7.4.0",
-    "semantic-release": "^18.0.1",
-    "ts-jest": "^27.1.1",
-    "tslint": "6.1.3",
-    "typescript": "^4.5.3"
+    "rxjs": "~7.5.4",
+    "semantic-release": "^19.0.2",
+    "ts-jest": "^27.1.3",
+    "typescript": "^4.5.5"
   },
   "peerDependencies": {
     "rxjs": ">=6.0.0",

src/auto-unsubscribe.spec.ts

@@ -6,7 +6,6 @@ import {
 } from './auto-unsubscribe';
 import { subscribeSpyTo } from './subscribe-spy-to';
 
-// tslint:disable-next-line:no-unused-expression
 const root = (1, eval)('this');
 
 describe('autoUnsubscribe', () => {

src/fake-time.ts

@@ -1,6 +1,6 @@
 import { TestScheduler } from 'rxjs/testing';
 
-export function fakeTime(callback: (...args: any[]) => any) {
+export function fakeTime(callback: (...args: any[]) => any): any {
   if (callback.length === 0) {
     throw new Error(`
     "fakeTime()" callback must be declared with at least one parameter

src/observer-spy.ts

@@ -38,7 +38,7 @@ export class ObserverSpy<T> implements Observer<T> {
     this.state.nextWasCalled = true;
   }
 
-  error(errorVal: any): void {
+  error(errorVal: unknown): void {
     if (!this.state.errorIsExpected) {
       throw errorVal;
     }
@@ -58,7 +58,7 @@ export class ObserverSpy<T> implements Observer<T> {
 
   onComplete(): Promise<void>;
   onComplete(callback: (value?: unknown) => void): void;
-  onComplete(callback?: (value?: unknown) => void) {
+  onComplete(callback?: (value?: unknown) => void): any {
     if (this.state.completeWasCalled) {
       return callback ? callback(undefined) : Promise.resolve();
     }

src/subscribe-spy-to.ts

@@ -6,15 +6,16 @@ import { ObserverSpyConfig } from './observer-spy';
 export function subscribeSpyTo<T>(
   observableUnderTest: Observable<T>,
   config?: ObserverSpyConfig
-) {
+): SubscriberSpy<T> {
   const spy = new SubscriberSpy(observableUnderTest, config);
   queueForAutoUnsubscribe(spy);
   return spy;
 }
 
 /* istanbul ignore next */
-export function subscribeAndSpyOn<T>(observableUnderTest: Observable<T>) {
-  // tslint:disable-next-line:no-console
+export function subscribeAndSpyOn<T>(
+  observableUnderTest: Observable<T>
+): SubscriberSpy<T> {
   console.warn(
     'subscribeAndSpyOn is deprecated and will be removed in the next version, please use "subscribeSpyTo" instead.'
   );

src/subscriber-spy.ts

@@ -16,10 +16,8 @@ export class SubscriberSpy<T> extends ObserverSpy<T> implements Unsubscribable {
 }
 
 /* istanbul ignore next */
-// tslint:disable-next-line:max-classes-per-file
 export class ObserverSpyWithSubscription<T> extends SubscriberSpy<T> {
   constructor(observableUnderTest: Observable<T>) {
-    // tslint:disable-next-line:no-console
     console.warn(
       'ObserverSpyWithSubscription is deprecated and will be removed in the next version, please use "SubscriberSpy" instead.'
     );