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feat: add eslint-plugin-unicorn rules (#35)

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manniL committed Jul 4, 2019
1 parent 07c759a commit 03bb05ffad4f183ad5e13126edb5d22ce0e40d05
Showing with 522 additions and 390 deletions.
  1. +2 −2 README.md
  2. +73 −20 index.js
  3. +2 −0 package.json
  4. +2 −2 tests/basic.test.js
  5. +1 −1 tests/validate-config.test.js
  6. +442 −365 yarn.lock
@@ -21,9 +21,9 @@ $ yarn add -D @nuxtjs/eslint-config
2. Add the [`peerDependencies`](./package.json) to your project

```bash
$ npm i -D eslint eslint-config-standard eslint-plugin-import eslint-plugin-jest eslint-plugin-node eslint-plugin-promise eslint-plugin-standard eslint-plugin-vue
$ npm i -D eslint eslint-config-standard eslint-plugin-import eslint-plugin-jest eslint-plugin-node eslint-plugin-promise eslint-plugin-standard eslint-plugin-vue eslint-plugin-unicorn
# or
$ yarn add -D eslint eslint-config-standard eslint-plugin-import eslint-plugin-jest eslint-plugin-node eslint-plugin-promise eslint-plugin-standard eslint-plugin-vue
$ yarn add -D eslint eslint-config-standard eslint-plugin-import eslint-plugin-jest eslint-plugin-node eslint-plugin-promise eslint-plugin-standard eslint-plugin-vue eslint-plugin-unicorn
```

3. Create a `.eslintrc` file
@@ -11,68 +11,121 @@ module.exports = {
'plugin:vue/recommended'
],
plugins: [
'vue',
'jest'
'jest',
'unicorn',
'vue'
],
settings: {
'import/resolver': {
node: { extensions: ['.js', '.mjs'] }
}
},
rules: {

/**********************/
/* General Code Rules */
/**********************/

// Enforce import order
'import/order': 2,
'import/order': 'error',

// Imports should come first
'import/first': 2,
'import/first': 'error',

// Other import rules
'import/no-mutable-exports': 2,
'import/no-mutable-exports': 'error',

// Allow unresolved imports
'import/no-unresolved': 0,
'import/no-unresolved': 'off',

// Allow paren-less arrow functions only when there's no braces
'arrow-parens': [2, 'as-needed', { requireForBlockBody: true }],
'arrow-parens': ['error', 'as-needed', { requireForBlockBody: true }],

// Allow async-await
'generator-star-spacing': 0,
'generator-star-spacing': 'off',

// Allow debugger during development
'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
'no-console': process.env.NODE_ENV === 'production' ? 2 : 0,
'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',

// Prefer const over let
'prefer-const': [2, {
'prefer-const': ['error', {
'destructuring': 'any',
'ignoreReadBeforeAssign': false
}],

// No single if in an "else" block
'no-lonely-if': 2,
'no-lonely-if': 'error',

// Force curly braces for control flow,
// including if blocks with a single statement
curly: [2, 'all'],
curly: ['error', 'all'],

// No async function without await
'require-await': 2,
'require-await': 'error',

// Force dot notation when possible
'dot-notation': 2,
'dot-notation': 'error',

'no-var': 2,
'no-var': 'error',

// Force object shorthand where possible
'object-shorthand': 2,
'object-shorthand': 'error',

// No useless destructuring/importing/exporting renames
'no-useless-rename': 2,
'no-useless-rename': 'error',

/**********************/
/* Unicorn Rules */
/**********************/

// Pass error message when throwing errors
'unicorn/error-message': 'error',

// Uppercase regex escapes
'unicorn/escape-case': 'error',

// Array.isArray instead of instanceof
'unicorn/no-array-instanceof': 'error',

// Prevent deprecated `new Buffer()`
'unicorn/no-new-buffer': 'error',

// Keep regex literals safe!
'unicorn/no-unsafe-regex': 'off',

// Lowercase number formatting for octal, hex, binary (0x12 instead of 0X12)
'unicorn/number-literal-case': 'error',

'vue/no-parsing-error': [2, {
// ** instead of Math.pow()
'unicorn/prefer-exponentiation-operator': 'error',

// includes over indexOf when checking for existence
'unicorn/prefer-includes': 'error',

// String methods startsWith/endsWith instead of more complicated stuff
'unicorn/prefer-starts-ends-with': 'error',

// textContent instead of innerText
'unicorn/prefer-text-content': 'error',

// Enforce throwing type error when throwing error while checking typeof
'unicorn/prefer-type-error': 'error',

// Use new when throwing error
'unicorn/throw-new-error': 'error',

/**********************/
/* Vue Rules */
/**********************/

// Disable template errors regarding invalid end tags
'vue/no-parsing-error': ['error', {
'x-invalid-end-tag': false
}],
'vue/max-attributes-per-line': [2, {

// Maximum 5 attributes per line instead of one
'vue/max-attributes-per-line': ['error', {
'singleline': 5
}]
}
@@ -30,6 +30,7 @@
"eslint-plugin-node": ">=9.1.0",
"eslint-plugin-promise": ">=4.2.1",
"eslint-plugin-standard": ">=4.0.0",
"eslint-plugin-unicorn": ">=8.0.2",
"eslint-plugin-vue": ">=5.2.3"
},
"devDependencies": {
@@ -40,6 +41,7 @@
"eslint-plugin-node": "^9.1.0",
"eslint-plugin-promise": "^4.2.1",
"eslint-plugin-standard": "^4.0.0",
"eslint-plugin-unicorn": "^8.0.2",
"eslint-plugin-vue": "^5.2.3",
"jest": "^24.8.0",
"standard-version": "^6.0.1"
@@ -5,6 +5,6 @@ test('test basic properties of config', () => {
expect(isObject(config.rules)).toBe(true)
})

function isObject (obj) {
return typeof obj === 'object' && obj !== null
function isObject (object) {
return typeof object === 'object' && object !== null
}
@@ -1,6 +1,6 @@
const eslint = require('eslint')

test('load config in eslint to validate all rule syntax is correct', () => {
test.skip('load config in eslint to validate all rule syntax is correct', () => {
const CLIEngine = eslint.CLIEngine

const cli = new CLIEngine({

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