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stylelint,prettierを使ってscssのコード品質を保つ

Last updated at Posted at 2019-09-12

scssのみでjsについての変更・設定はなし

stylelint, prettierのインストール

$ yarn add stylelint stylelint-config-standard stylelint-scss prettier prettier-stylelint stylelint-config-prettier

参考

prettierの設定・stylelintの設定

.prettier

{
  "printWidth":120,
  "tabWidth":2,
  "useTabs":false,
  "singleQuote":true,
  "proseWrap":"preserve"
}

参考

.stylelintrc.json

{
	"plugins":[
		"stylelint-scss",
	],
	"rules":{
		"indentation":2,
		"declaration-block-no-shorthand-property-overrides":true,
		"declaration-colon-newline-after":null,
		"at-rule-no-unknown":[true,{
			"ignoreAtRules":["function","if","for","each","include","mixin","content"]
		}],
	},
	"extends":[
		"stylelint-config-standard",
		"stylelint-config-prettier"
	]
}

参考

package.json(npm script)

app/frontend/stylesheets/ よりも下にscssファイルを入れている場合。

{
	"scripts":{
		"lint:stylesheet":"stylelint --fix app/frontend/stylesheets/**/*.scss",
		"format:stylesheet":"prettier-stylelint --quiet --write app/frontend/stylesheets/**/*.scss"
	},
}

ルールについての一部

要素の並び替えを行う

stylelint-order - npm をインストールする

$ yarn add stylelint-order

参考

.stylelintrc.json に設定を記載する

記載後の状態

{
	"plugins":[
		"stylelint-scss",
		"stylelint-order"
	],
	"rules":{
		"indentation":2,
		"declaration-block-no-shorthand-property-overrides":true,
		"declaration-colon-newline-after":null,
		"at-rule-no-unknown":[true,{
			"ignoreAtRules":["function","if","for","each","include","mixin","content"]
		}],
		"order/order":[
			"less-mixins",
			"dollar-variables",
			"custom-properties",
			"declarations",
			"rules"
		]
	},
	"extends":[
		"stylelint-config-standard",
		"stylelint-config-prettier"
	]
}

参考

commit時に自動的に反映されるようにする

パッケージをインストール

husky - npmlint-staged - npm のインストールを行う

$ yarn add husky lint-staged

参考

package.jsonに記載

{
	"scripts":{
		"precommit":"lint-staged",
	},
	"lint-staged":{
		"*.scss":[
			"yarn format:stylesheet && yarn lint:stylesheet",
			"git add"
		]
	},
}

参考

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