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eslint-config-pirika

v2.0.0

Published

eslint / prettier config for Pirika projects

Readme

eslint-config-pirika

ピリカにおけるESLint共有設定

使用方法

パッケージのインストール

$ npm install -D eslint-config-pirika
$ npx eslint-config-pirika-install-deps-react # Reactプロジェクトの場合
$ npx eslint-config-pirika-install-deps # それ以外の場合

eslint-config-pirika-install-deps/eslint-config-pirika-install-deps-reactにて、利用プロジェクトに応じた必須コンポーネントを追加インストールする。

.eslintrc.jsの設定

module.exports = {
  extends: [
    "eslint-config-pirika/react" // Reactプロジェクトの場合
    //"eslint-config-pirika" それ以外の場合
  ],
  root: true,
};

.prettierrc.js の設定

const prettierConfig = require("eslint-config-pirika/prettier-config");

module.exports = {
  ...prettierConfig,
};

設定内容

ESLint

ベースはeslint-config-airbnbとし、以下の点を変更。

  • no-use-before-define
    • 定義より前に使用できない (@typescript-eslint 側を使用)
  • @typescript-eslint/explicit-member-accessibility
    • クラスの public/private は必ず書く
  • lines-between-class-members
    • クラスメンバ間の空行は入れる。ただしフィールド宣言等1行のときは入れない。
  • no-void
    • 式文の最初に書くものだけ許可(Promiseの戻りを取らない呼び出し時に使用する)
  • import/extensions
    • js/jsx/ts/tsx 以外はimportに拡張子が必要(svg等)
  • react/jsx-filename-extension
    • js/tsでJSXを書いてはいけない
  • react/react-in-jsx-scope
    • JSXで import React from "react" を書かなくてもいい
  • prefer-arrow/prefer-arrow-functions
    • なるべくアロー式での関数を書く
  • react/prop-types, react/require-default-props
    • PropTypesは使用しない(TypeScriptで保証されるから)
  • react/function-component-definition
    • namedComponents, unnamedComponentsともに関数式、アロー式を許容

Prettier

  • trailingComma
    • 末尾カンマを常に付ける
  • printWidth
    • 行の最大桁数は120文字 (長めのidentifierを使用する場合のため)

LICENSE

MIT