refactor: migrate to typescript

Author: nodkz

.babelrc

@@ -1,2 +1,4 @@
-coverage
 flow-typed
+lib
+mjs
+esm

.eslintignore

@@ -1,39 +1,46 @@
+const path = require('path');
+
 module.exports = {
-  env: {
-    node: true,
-    es6: true,
-    jest: true,
-  },
-  extends: ['airbnb-base', 'prettier'],
-  plugins: ['prettier'],
-  env: {
-    jasmine: true,
-    jest: true,
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint', 'prettier'],
+  extends: ['plugin:@typescript-eslint/recommended', 'prettier', 'plugin:prettier/recommended'],
+  parserOptions: {
+    sourceType: 'module',
+    useJSXTextNode: true,
+    project: [path.resolve(__dirname, 'tsconfig.json')],
   },
-  parser: 'babel-eslint',
   rules: {
-    'import/no-unresolved': [2, { commonjs: true, amd: true }],
     'no-underscore-dangle': 0,
     'arrow-body-style': 0,
-    'import/no-extraneous-dependencies': 0,
-    'import/imports-first': 0,
-    'import/no-cycle': 0,
+    'no-unused-expressions': 0,
+    'no-plusplus': 0,
     'no-console': 0,
-    'no-restricted-syntax': 0,
-    'global-require': 0,
-    'import/no-dynamic-require': 0,
-    'import/prefer-default-export': 0,
-    'no-use-before-define': 0,
-    'no-param-reassign': 0,
     'func-names': 0,
-    'prettier/prettier': [
+    'comma-dangle': [
       'error',
       {
-        printWidth: 100,
-        singleQuote: true,
-        trailingComma: 'es5',
+        arrays: 'always-multiline',
+        objects: 'always-multiline',
+        imports: 'always-multiline',
+        exports: 'always-multiline',
+        functions: 'ignore',
       },
     ],
+    'no-prototype-builtins': 0,
+    'prefer-destructuring': 0,
+    'no-else-return': 0,
+    'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: true }],
+    '@typescript-eslint/explicit-member-accessibility': 0,
+    '@typescript-eslint/no-explicit-any': 0,
+    '@typescript-eslint/no-inferrable-types': 0,
+    '@typescript-eslint/explicit-function-return-type': 0,
+    '@typescript-eslint/no-use-before-define': 0,
+    '@typescript-eslint/no-empty-function': 0,
+    '@typescript-eslint/camelcase': 0,
+    '@typescript-eslint/ban-ts-comment': 0,
+  },
+  env: {
+    jasmine: true,
+    jest: true,
   },
-  globals: { Class: true },
 };

.eslintrc.js

@@ -1,6 +1,5 @@
 {
   "singleQuote": true,
-  "arrowParens": "always",
   "tabWidth": 2,
   "useTabs": false,
   "printWidth": 100,

.flowconfig

@@ -28,6 +28,16 @@
       "console": "integratedTerminal",
       "internalConsoleOptions": "neverOpen",
       "disableOptimisticBPs": true
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Debug",
+      "program": "${workspaceFolder}/index.js",
+      "runtimeExecutable": "${workspaceFolder}/node_modules/.bin/babel-node",
+      "runtimeArgs": [
+        "--nolazy"
+      ]
     }
   ]
 }

.prettierrc

@@ -4,9 +4,9 @@
 
 Live example on Heroku: [https://graphql-compose.herokuapp.com/](https://graphql-compose.herokuapp.com/)
 
-```
-npm install
-npm run seed && npm run start:watch
+```bash
+yarn install
+yarn seed && yarn dev
 open http://localhost:3000
 ```
 

.vscode/launch.json

@@ -1,5 +1,3 @@
-/* @flow */
-
 import path from 'path';
 import fs from 'fs';
 
@@ -19,7 +17,7 @@ export function resolveExamplePath(...args: any) {
 }
 
 export function getExampleNames() {
-  const preferableOrder = ['user', 'userForRelay', 'northwind', 'mongooseDiscriminators'];
+  const preferableOrder = ['user', 'northwind', 'mongooseDiscriminators'];
   const dirs = getDirectories(examplesPath);
 
   const result = [];