Get rid of Babel and rewrite @wdio/repl (webdriverio#5804)

.editorconfig

@@ -14,5 +14,5 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[{.babelrc,.eslintrc,.codeclimate.yml,.travis.yml,**/*.json,.eslintrc.js,.github/**/*.yml}]
+[{.travis.yml,**/*.json,.github/**/*.yml}]
 indent_size = 2

.eslintignore

@@ -2,6 +2,5 @@
 /packages/**/node_modules
 /packages/node_modules
 /packages/**/coverage
-/tests/typings/**/dist
-tests/typings/**/node_modules
+/tests/typings
 *.d.ts

.eslintrc.js

@@ -1,44 +1,44 @@
 module.exports = {
-  extends: [
-    'eslint:recommended',
-    'plugin:import/errors',
-    'plugin:import/warnings'
-  ],
-  env: {
-    node: true,
-    es6: true
-  },
-  parser: 'babel-eslint',
-  parserOptions: {
-    ecmaVersion: 2016,
-    sourceType: 'module'
-  },
-  rules: {
-    semi: ['error', 'never'],
-    quotes: ['error', 'single'],
-    indent: [2, 4],
+    root: true,
+    parser: '@typescript-eslint/parser',
+    plugins: ['@typescript-eslint'],
+    extends: [
+        'eslint:recommended'
+    ],
+    env: {
+        node: true,
+        es6: true
+    },
+    parserOptions: {
+        ecmaVersion: 2017,
+        sourceType: 'module'
+    },
+    rules: {
+        semi: ['error', 'never'],
+        indent: [2, 4],
 
-    'import/no-unresolved': [2, { commonjs: true, amd: true }],
-    'import/named': 2,
-    'import/namespace': 2,
-    'import/default': 2,
-    'import/export': 2,
-
-    'no-multiple-empty-lines': [2, {'max': 1, 'maxEOF': 1}],
-    'array-bracket-spacing': ['error', 'never'],
-    'brace-style': ['error', '1tbs', { allowSingleLine: true }],
-    camelcase: ['error', { properties: 'never' }],
-    'comma-spacing': ['error', { before: false, after: true }],
-    'no-lonely-if': 'error',
-    'no-else-return': 'error',
-    'no-tabs': 'error',
-    'no-trailing-spaces': ['error', {
-      skipBlankLines: false,
-      ignoreComments: false
-    }],
-    quotes: ['error', 'single', { avoidEscape: true }],
-    'unicode-bom': ['error', 'never'],
-    'object-curly-spacing': ['error', 'always'],
-    'require-atomic-updates': 0
-  }
+        'no-multiple-empty-lines': [2, { 'max': 1, 'maxEOF': 1 }],
+        'array-bracket-spacing': ['error', 'never'],
+        'brace-style': ['error', '1tbs', { allowSingleLine: true }],
+        camelcase: ['error', { properties: 'never' }],
+        'comma-spacing': ['error', { before: false, after: true }],
+        'no-lonely-if': 'error',
+        'no-else-return': 'error',
+        'no-tabs': 'error',
+        'no-trailing-spaces': ['error', {
+            skipBlankLines: false,
+            ignoreComments: false
+        }],
+        quotes: ['error', 'single', { avoidEscape: true }],
+        'unicode-bom': ['error', 'never'],
+        'object-curly-spacing': ['error', 'always'],
+        'require-atomic-updates': 0
+    },
+    overrides: [{
+        files: ['*.ts'],
+        rules: {
+            // see https://github.com/typescript-eslint/typescript-eslint/issues/46
+            '@typescript-eslint/no-unused-vars': [2, { args: 'none' }]
+        }
+    }]
 }

.gitignore

@@ -66,8 +66,8 @@ tests/typings/**/dist
 /*.js
 allure-reporter.d.ts
 devtools.d.ts
-!babel.config.js
 !.eslintrc.js
+!jest.config.js
 packages/**/package-lock.json
 .DS_Store
 

CONTRIBUTING.md

@@ -34,7 +34,7 @@ In order to set up this project and start contributing follow this step by step
 
     * Builds all subpackages via ```npm run build```
 
-        As the last step you need to build all sub-packages in order to resolve the internal dependencies. We also have a NPM command for that:
+        As the last step you need to build all sub-packages in order to resolve the internal dependencies. WebdriverIO uses [TypeScript](https://www.typescriptlang.org/) as compiler. We are currently transitioning to TypeScript so you will see a mixture of normal JS files and TypeScript files.
 
 * Run Tests to ensure that everything is set up correctly
 
@@ -77,13 +77,13 @@ If you only work on a single package you can watch only for that one by calling:
 
 ```sh
 # e.g. `$ npm run watch:pkg @wdio/runner`
-$ npm run watch:pkg <package-name>
+$ npm run watch <package-name>
 ```
 
 It is also a good idea to run jest in watch mode while developing on a single package to see if changes affect any tests:
 
 ```sh
-$ npx jest ./packages/<package-name>/tests --watch
+$ npx jest ./packages/<package-name>/tests --watch --coverageReporters lcov
 ```
 
 ## Create New Package

e2e/jest.config.js

@@ -5,5 +5,8 @@ module.exports = {
         '<rootDir>/*.test.js'
     ],
     moduleFileExtensions: ['js', 'ts'],
-    setupFilesAfterEnv: ['./jest.setup.js']
+    setupFilesAfterEnv: ['./jest.setup.js'],
+    transform: {
+        '^.+\\.(ts|js)$': 'ts-jest'
+    }
 }

examples/devtools/intercept.js

@@ -5,7 +5,6 @@
  *   $ npm install devtools webdriverio
  *
  */
-// eslint-disable-next-line import/no-unresolved
 const { remote } = require('../../packages/webdriverio')
 
 let browser;

jest.config.js

@@ -0,0 +1,59 @@
+/**
+ * workaround for bug
+ * https://github.com/jsdom/jsdom/issues/2795
+ * https://github.com/jsdom/jsdom/issues/2961
+ */
+const SKIPPED_NODE_10_TESTS = process.version.startsWith('v10')
+    ? [
+        '<rootDir>/packages/webdriverio/tests/commands/browser/newWindow.test.js',
+        '<rootDir>/packages/webdriverio/tests/commands/element/isFocused.test.js',
+        '<rootDir>/packages/webdriverio/tests/scripts/resq.test.js',
+        '<rootDir>/packages/webdriverio/tests/scripts/isFocused.test.js'
+    ]
+    : []
+
+module.exports = {
+    testMatch: [
+        '**/tests/**/*.test.(js|ts)'
+    ],
+    transform: {
+        '^.+\\.(ts|js)$': 'ts-jest'
+    },
+    testPathIgnorePatterns: [
+        '<rootDir>/tests/',
+        '<rootDir>/node_modules/',
+        ...SKIPPED_NODE_10_TESTS
+    ],
+    collectCoverageFrom: [
+        'packages/**/src/**/*.js'
+    ],
+    moduleNameMapper: {
+        'graceful-fs': '<rootDir>/tests/helpers/fs.js'
+    },
+    coverageDirectory: './coverage/',
+    collectCoverage: true,
+    coverageThreshold: {
+        global: {
+            branches: 95,
+            functions: 98,
+            lines: 99,
+            statements: 98
+        }
+    },
+    testEnvironment: 'node',
+    coveragePathIgnorePatterns: [
+        'node_modules/',
+        'packages/devtools/src/scripts',
+        'packages/devtools/src/commands',
+        'packages/webdriverio/src/scripts',
+        'packages/wdio-devtools-service/src/scripts',
+        'packages/webdriverio/build',
+        'packages/webdriver/build',
+        'packages/wdio-cucumber-framework/tests/fixtures',
+        'packages/wdio-logger/build',
+        'packages/wdio-webdriver-mock-service',
+        'packages/wdio-lambda-runner',
+        'packages/wdio-smoke-test-reporter',
+        'packages/wdio-smoke-test-service'
+    ]
+}