remove flow

README.md

@@ -24,4 +24,4 @@ Set up `npm run lint` script.
 }
 ```
 
-The `github-lint` command will run `eslint`, `flow` and flow coverage checking depending on your project configuration.
+The `github-lint` command will run various checkers and linters depending on your project configuration.

bin/eslint-github-init.js

@@ -18,9 +18,6 @@ if (fs.existsSync(packagePath)) {
   const dependencies = Object.keys(packageJSON.dependencies || {})
   const devDependencies = Object.keys(packageJSON.devDependencies || {})
 
-  if (dependencies.includes('flow-bin') || devDependencies.includes('flow-bin')) {
-    defaults.typeSystem = 'flow'
-  }
   if (dependencies.includes('typescript') || devDependencies.includes('typescript')) {
     defaults.typeSystem = 'typescript'
   }
@@ -45,7 +42,7 @@ const questions = [
     type: 'list',
     name: 'typeSystem',
     message: 'What type system are you using?',
-    choices: ['flow', 'typescript', 'none'],
+    choices: ['typescript', 'none'],
     default: defaults.typeSystem
   }
 ]
@@ -61,7 +58,6 @@ inquirer.prompt(questions).then(answers => {
     eslintrc.extends.push('plugin:github/browser')
   }
 
-  if (answers.typeSystem === 'flow') eslintrc.extends.push('plugin:github/flow')
   if (answers.typeSystem === 'typescript') {
     eslintrc.extends.push('plugin:github/typescript')
     eslintrc.parser = '@typescript-eslint/parser'
@@ -85,8 +81,6 @@ inquirer.prompt(questions).then(answers => {
   fs.writeFileSync(path.resolve(process.cwd(), '.eslintrc.json'), JSON.stringify(eslintrc, null, '  '), 'utf8')
 
   const prettierConfig = []
-  if (answers.typeSystem === 'flow') prettierConfig.push('/* @flow */')
-
   prettierConfig.push("module.exports = require('eslint-plugin-github/prettier.config')")
   prettierConfig.push('')
 

bin/github-lint.js

@@ -43,14 +43,6 @@ function execFile(command, args) {
     commands.push(['tsc', ['--noEmit']])
   }
 
-  if (fs.existsSync('.flowconfig')) {
-    commands.push(['flow', ['check']])
-  }
-
-  if (packageJson && packageJson.flow && packageJson.flow.coverageThreshold) {
-    commands.push(['flow-coverage', []])
-  }
-
   for (const [command, args] of commands) {
     if (runs > 0) process.stderr.write('\n')
     process.stderr.write(`> ${command} ${args.join(' ')}\n`)

docs/configs.md

@@ -26,10 +26,6 @@ A base layer of configuration recommended for any JS project. The [Prettier](htt
 
 Recommended rules when using Babel to transpile features from ES2015+.
 
-### `plugin:github/flow`
-
-Recommended rules for projects using the [Flow type checker](https://flow.org/).
-
 ### `plugin:github/app`
 
 Recommended rules when writing a browser application.

docs/package-requirements.md

@@ -20,4 +20,3 @@ Additional criteria for packages that are used at runtime rather than at build t
 * MUST not declare specific polyfills in `package.json` `"dependencies"`. However, they MAY implicitly depend on polyfills already present in the environment.
 * MUST not set or leak any global variables or monkey patch other object prototypes (with the exception of polyfills).
 * Polyfill libraries MUST have an associated [Working Draft](https://www.w3.org/2004/02/Process-20040205/tr.html#first-wd) specification published by a standards body. Polyfills based on Editor's Draft are too early to implement and depend on.
-* SHOULD provide [Flow](https://flowtype.org) type definitions.

lib/index.js

@@ -5,16 +5,13 @@ module.exports = {
     'async-preventdefault': require('./rules/async-preventdefault'),
     'authenticity-token': require('./rules/authenticity-token'),
     'dependency-graph': require('./rules/dependency-graph'),
-    'flow-to-typescript': require('./rules/flow-to-typescript'),
     'get-attribute': require('./rules/get-attribute'),
     'js-class-name': require('./rules/js-class-name'),
     'no-blur': require('./rules/no-blur'),
     'no-d-none': require('./rules/no-d-none'),
     'no-dataset': require('./rules/no-dataset'),
-    'no-flow-weak': require('./rules/no-flow-weak'),
     'no-implicit-buggy-globals': require('./rules/no-implicit-buggy-globals'),
     'no-innerText': require('./rules/no-innerText'),
-    'no-noflow': require('./rules/no-noflow'),
     'no-then': require('./rules/no-then'),
     'unescaped-html-literal': require('./rules/unescaped-html-literal'),
     'unused-export': require('./rules/unused-export'),
@@ -24,7 +21,6 @@ module.exports = {
     app: require('./configs/app'),
     browser: require('./configs/browser'),
     es6: require('./configs/es6'),
-    flow: require('./configs/flow'),
     node: require('./configs/node'),
     recommended: require('./configs/recommended'),
     typescript: require('./configs/typescript')

package.json

@@ -10,7 +10,6 @@
     "eslint-github-init": "bin/eslint-github-init.js",
     "eslint-ignore-errors": "bin/eslint-ignore-errors.js",
     "eslint-unused-modules": "bin/eslint-unused-modules.js",
-    "flow-coverage": "bin/flow-coverage.js",
     "github-lint": "bin/github-lint.js",
     "npm-check-github-package-requirements": "bin/npm-check-github-package-requirements.js"
   },
@@ -38,7 +37,6 @@
     "babel-eslint": ">=10.0.3",
     "eslint-config-prettier": ">=6.4.0",
     "eslint-plugin-eslint-comments": ">=3.0.1",
-    "eslint-plugin-flowtype": ">=4.3.0",
     "eslint-plugin-import": ">=2.18.2",
     "eslint-plugin-jsdoc": ">=15.5.2",
     "eslint-plugin-prettier": ">=2.6.0",
@@ -50,8 +48,7 @@
     "svg-element-attributes": ">=1.2.1"
   },
   "peerDependencies": {
-    "eslint": ">=4.19.0",
-    "flow-bin": ">=0.70.0"
+    "eslint": ">=4.19.0"
   },
   "files": [
     "bin/*",
@@ -60,7 +57,6 @@
   ],
   "devDependencies": {
     "eslint": ">=6.5.1",
-    "flow-bin": ">=0.110.1",
     "mocha": ">=6.2.2",
     "rimraf": "^3.0.0"
   }