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ESLint plugin for sorting

My own ESLint plugin containing custom lint rules for our code.

Installation

NPM

npm install -D @ferdaber/eslint-plugin-sorting

Yarn

yarn add -D @ferdaber/eslint-plugin-sorting

In your .eslintrc file, add the following:

{
  "plugins": ["@ferdaber/sorting"],
  "rules": {
    "@ferdaber/sorting/rule-name": "error"
  }
}

Rules

sort-imports 🔧

Enforces all import declarations to be sorted in the following order:

  1. Side effect imports
  2. External imports
  3. Internal imports
  4. Static asset imports

Enforces all import specifiers to be sorted alphabetically, as well.

Options

The rule accepts an object with its properties as:

  • declarationSort (default: 'import'): 'import' | 'source'
  • fix (default: false): boolean

Default option settings are:

{
  "@ferdaber/sorting/sort-imports": [
    "error",
    {
      "declarationSort": "import",
      "fix": false
    }
  ]
}

Example

Example of incorrect code for this rule:

import MySvg from './svgs/my-svg.svg'
import React from 'react'
import { moduleB, moduleC } from 'my-module'

Example of correct code for this rule:

import 'side-effects-only'

import PropTypes from 'prop-types'
import React from 'react'
import { Router } from 'react-router'

import App from './my-app-wrapper'
import * as routes from 'my-app-routes'

import Icon from 'react-icons/md/icon.svg'
import SomeImage from '../images.png'

declarationSort

Changes the sorting strategy for import declarations based on their source ('source') vs. on their imported names ('import').

Example of incorrect code for this rule with the default { "declarationSort": "source" } option:

import module1 from 'module-b'
import module2 from 'module-a'

Example of correct code for this rule with the default { "declarationSort": "source" } option:

import module2 from 'module-a'
import module1 from 'module-b'

Example of incorrect code for this rule with the { "declarationSort": "import" } option:

import moduleB from 'module-a'
import * as moduleD from 'module-d'
import moduleA, { moduleC } from 'module-c'

Example of correct code for this rule with the { "declarationSort": "import" } option:

import moduleA, { moduleC } from 'module-c'
import moduleB from 'module-a'
import * as moduleD from 'module-d'

sort-object-keys 🔧

Enforces all object literal keys to be in alphabetical order.

Options

The rule accepts an object with its properties as:

  • fix (default: false): boolean

Default option settings are:

{
  "@ferdaber/sorting/sort-object-keys": [
    "error",
    {
      "fix": false
    }
  ]
}

Example

Example of incorrect code for this rule:

const a = 'a'

const foo = {
  b: 'b',
  a,
}
const A = 'a'
const B = 'b'

const foo = {
  [`${B}A`]: 'ba',
  [B]: b,
  [A]: a,
}

Example of correct code for this rule:

const A = 'a'
const B = 'b'

const foo = {
  a: 'a',
  A,
  [B]: b,
  [`${B}A`]: 'ba',
}

sort-pattern-keys 🔧

Enforces all object destructuring patterns to have alphabetical keys.

Options

The rule accepts an object with its properties as:

  • fix (default: false): boolean

Default option settings are:

{
  "@ferdaber/sorting/sort-pattern-keys": [
    "error",
    {
      "fix": false
    }
  ]
}

Example

Example of incorrect code for this rule:

const Component = ({ hidden, className }) => null
const { hidden, className = '' } = this.props

Example of correct code for this rule:

const Component = ({ className, hidden = false }) => null

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