Add separate eslint packages for Typescript and Flowtype

.vscode/settings.json

@@ -1,5 +1,4 @@
 {
-  "eslint.autoFixOnSave": true,
   "eslint.nodePath": "common/temp/node_modules",
   "eslint.options": {
     "ignorePattern": [
@@ -17,4 +16,7 @@
   },
   "flow.pathToFlow": "${workspaceFolder}/common/temp/node_modules/.bin/flow",
   "javascript.validate.enable": false,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": true
+  },
 }

eslint-config-fusion-flowtype/.eslintrc.js

@@ -0,0 +1,7 @@
+module.exports = {
+  root: true,
+  extends: require.resolve('./index.js'),
+  env: {
+    node: true
+  }
+};

eslint-config-fusion-flowtype/.flowconfig

@@ -0,0 +1,16 @@
+[ignore]
+.*/node_modules/@uber/node-rosetta/.*
+.*/templates/.*
+
+[include]
+../node_modules
+../../node_modules
+
+[libs]
+../flow-typed/
+
+[lints]
+
+[options]
+
+[strict]

eslint-config-fusion-flowtype/.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,42 @@
+<!--
+  Thank you for taking the time to submit an issue.
+
+  Before opening a new issue, please search existing issues (https://github.com/fusionjs/eslint-config-fusion/issues)
+  to double-check your issue isn't already known.
+
+  To make it easier for us to help you — please follow the suggested format below.
+-->
+
+<!--- Provide a general summary of the issue in the title -->
+
+### Type of issue
+
+<!-- Feature request or bug -->
+
+### Description
+
+<!--- Describe the issue or the enhancement you want to see. -->
+
+### Current behavior
+
+<!--- What happens. -->
+
+### Expected behavior
+
+<!--- What should happen. -->
+
+### Steps to reproduce
+
+1.
+2.
+3.
+
+### Your environment
+
+* eslint-config-fusion-flowtype version:
+
+* Node.js version (`node --version`):
+
+* npm version (`npm --version`):
+
+* Operating System:

eslint-config-fusion-flowtype/.gitignore

@@ -0,0 +1 @@
+node_modules/

eslint-config-fusion-flowtype/.npmrc

@@ -0,0 +1 @@
+registry=https://registry.yarnpkg.com

eslint-config-fusion-flowtype/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Uber Technologies, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

eslint-config-fusion-flowtype/README.md

@@ -0,0 +1,17 @@
+# eslint-config-fusion
+
+[![Build status](https://badge.buildkite.com/7a82192275779f6a8ba81f7d4a1b0d294256838faa1dfdf080.svg?branch=master)](https://buildkite.com/uberopensource/fusionjs)
+
+`eslint-config-fusion-flowtype` is an [eslint](https://www.github.com/eslint/eslint) config recommended for use with Fusion.js.
+
+## Usage
+
+Extend `eslint-config-fusion-flowtype` in your `.eslintrc.js`:
+
+```js
+module.exports = {
+  extends: [
+    require.resolve('eslint-config-fusion-flowtype')
+  ]
+};
+```

eslint-config-fusion-flowtype/index.js

@@ -0,0 +1,22 @@
+// @flow
+module.exports = {
+  extends: [
+    'plugin:flowtype/recommended',
+  ],
+
+  plugins: [
+    'eslint-plugin-flowtype',
+  ],
+  rules: {
+    // Enforce flow file declarations
+    'flowtype/require-valid-file-annotation': ['error', 'always'],
+
+    // Enforces consistent spacing within generic type annotation parameters.
+    // https://github.com/gajus/eslint-plugin-flowtype/blob/master/.README/rules/generic-spacing.md
+    'flowtype/generic-spacing': 'off',
+
+    // Fix inconsistency between Flow (inherited rule from flowtype/recommended) and Prettier
+    // https://jeng.uberinternal.com/browse/WPT-3404
+    'flowtype/space-after-type-colon': 'off',
+  },
+};

eslint-config-fusion-flowtype/package.json

@@ -0,0 +1,38 @@
+{
+  "name": "eslint-config-fusion-flowtype",
+  "version": "0.0.0-monorepo",
+  "description": "eslint-config-fusion-flowtype is an eslint config recommended for use with FusionJS.",
+  "license": "MIT",
+  "repository": {
+    "directory": "eslint-config-fusion-flowtype",
+    "type": "git",
+    "url": "https://github.com/fusionjs/fusionjs"
+  },
+  "files": [
+    "rules",
+    "index.js"
+  ],
+  "main": "index.js",
+  "peerDependencies": {
+    "eslint-plugin-flowtype": "^3.11.1"
+  },
+  "devDependencies": {
+    "babel-eslint": "^10.0.1",
+    "eslint": "^6.0.1",
+    "eslint-plugin-flowtype": "^3.11.1",
+    "flow-bin": "^0.109.0",
+    "prettier": "^1.18.2"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "echo ok",
+    "build": "echo ok",
+    "flow": "flow check"
+  },
+  "engines": {
+    "node": ">=8.9.4",
+    "npm": ">=5.0.0",
+    "yarn": ">=1.0.0"
+  },
+  "homepage": "https://fusionjs.com/api/eslint-config-fusion"
+}