wip: TypeScript rewrite

.babelrc.js

@@ -1,12 +1,7 @@
 module.exports = {
   presets: [
-    [
-      "next/babel",
-      {
-        cjs: { "preset-env": { modules: "commonjs" } },
-        esm: { "preset-env": { modules: false } }
-      }[process.env.BABEL_ENV] || {}
-    ]
-  ],
-  plugins: [["babel-plugin-styled-components", { ssr: true }]]
+    '@babel/preset-typescript',
+    '@babel/preset-env',
+    '@babel/preset-react'
+  ]
 };

.eslintignore

@@ -0,0 +1,6 @@
+coverage
+dist
+node_modules
+types
+!.*.js
+!.*.ts

.eslintrc.js

@@ -1,17 +1,39 @@
 module.exports = {
-  extends: ["standard", "standard-react", "prettier", "prettier/standard"],
+  root: true,
   env: {
+    browser: true,
     es6: true,
-    node: true,
-    jest: true
+    jest: true,
+    node: true
   },
-  parser: "babel-eslint",
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:react/recommended',
+    'plugin:prettier/recommended'
+  ],
   parserOptions: {
-    ecmaVersion: 2018
+    ecmaFeatures: {
+      jsx: true
+    },
+    ecmaVersion: 2018,
+    sourceType: 'module'
   },
-  plugins: ["react", "prettier"],
+  settings: {
+    react: {
+      version: '16.8'
+    }
+  },
+  plugins: ['@typescript-eslint', 'react-hooks'],
   rules: {
-    "prettier/prettier": ["warn", {}],
-    "react/no-unused-prop-types": "warn"
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+    '@typescript-eslint/no-non-null-assertion': 'off',
+    '@typescript-eslint/no-unused-vars': 'error',
+    '@typescript-eslint/no-var-requires': 'off',
+    'react/prop-types': 'off',
+    'react-hooks/exhaustive-deps': 'error',
+    'react-hooks/rules-of-hooks': 'error'
   }
 };

.gitignore

@@ -4,6 +4,10 @@ logs
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
 
 # Runtime data
 pids
@@ -20,7 +24,7 @@ coverage
 # nyc test coverage
 .nyc_output
 
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
 .grunt
 
 # Bower dependency directory (https://bower.io/)
@@ -56,12 +60,31 @@ typings/
 
 # dotenv environment variables file
 .env
+.env.test
 
-# Build cache
+# parcel-bundler cache (https://parceljs.org/)
 .cache
 
 # next.js build output
 .next
 
-# Build output
-dist-*
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# Rollup output
+dist
+
+# TypeScript output
+types

.prettierrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  singleQuote: true,
+  proseWrap: 'always'
+};