Update service to ESM and WDIO v8

.eslintignore

@@ -0,0 +1,5 @@
+lib
+*.json
+nginx.conf
+index.html
+*.md

.eslintrc.cjs

@@ -0,0 +1,31 @@
+/* eslint-env node */
+module.exports = {
+    env: {
+        es6: true,
+        node: true,
+    },
+    extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
+    parser: '@typescript-eslint/parser',
+    plugins: ['@typescript-eslint'],
+    root: true,
+    rules: {
+        indent: ['error', 4],
+        'linebreak-style': ['error', 'unix'],
+        quotes: ['error', 'single'],
+        semi: ['error', 'always'],
+        'no-console': [0],
+    },
+    parserOptions: {
+        ecmaVersion: 2020,
+        sourceType: 'module',
+    },
+    globals: {
+        describe: true,
+        context: true,
+        it: true,
+        before: true,
+        beforeEach: true,
+        after: true,
+        afterEach: true,
+    },
+};

.gitignore

@@ -3,6 +3,8 @@
 /node_modules/
 /npm-debug.log
 /.nyc_output/
-/coverage/
+**/coverage/
 /docker-log.txt
 /lib/
+*.tsbuildinfo
+*.cid

.mocharc.cjs

@@ -0,0 +1,9 @@
+module.exports = {
+  // loader: ["ts-node/esm"],
+  extensions: ["ts"],
+  spec: "test/unit/**/*",
+  require: ["tsx"],
+  import: ["tsx/esm"],
+  exit: true,
+  timeout: 10000,
+};

.npmignore

@@ -7,7 +7,6 @@ PULL_REQUEST_TEMPLATE.md
 .editorconfig
 .travis.yml
 docker-log.txt
-babel.config.js
 .eslintrc.json
 .nycrc
 .codeclimate.yml

.nvmrc

@@ -1 +1 @@
-v14.21.3
+v20.11.0

.nycrc

@@ -1,4 +1,4 @@
 {
     "reporter": ["lcov", "text-summary"],
-    "include": ["src/**/*.js", "index.js"]
+    "include": ["src/**/*.ts"]
 }

.prettierrc

@@ -0,0 +1,6 @@
+{
+  "tabWidth": 4,
+  "useTabs": false,
+  "singleQuote": true,
+  "printWidth": 120
+}

README.md

@@ -30,9 +30,9 @@ Instructions on how to install WebdriverIO can be found [here](https://webdriver
 By default, Google Chrome, Firefox and PhantomJS are available when installed on the host system. 
 In order to use the service you need to add `docker` to your service array:
 
-```javascript
-// wdio.conf.js
-exports.config = {
+```typescript
+// wdio.conf.ts
+export const config: WebdriverIO.Config = {
    // ...
    services: ['docker'],
    // ...