stylelint-config-sass-guidelinesの内容をメモする

##At-rule
- @debugを使わない
```
at-rule-blacklist
```
- 不明なat-ruleを許可（scssで使う）
```
at-rule-no-unknown
```
- ベンダープレフィックスを使わない
```
at-rule-no-vendor-prefix
```

##Block
- 空のブロックを許可しない
```
block-no-empty
```
- 開始中括弧の前に空白が必要
```
block-opening-brace-space-before
```

##Color
- 16進数の色は小文字で
```
color-hex-case
```
- 16進数の色を短縮
```
color-hex-length
```
- 色の名前は使わない
```
color-named
```
- 不正な16進数の色を許可しない
```
color-no-invalid-hex
```

##Declaration
- !importantの後ろの空白を許可しない
```
declaration-bang-space-after
```
- !importantの前に1つの空白が必要
```
declaration-bang-space-before
```
- コロンの後ろに空白が必要
```
declaration-colon-space-after
```
- コロンの前の空白は許可しない
```
declaration-colon-space-before
```

##Declaration block
- セミコロンの後ろは改行
```
declaration-block-semicolon-newline-after
```
- セミコロンの前の空白は許可しない
```
declaration-block-semicolon-space-before
```
- 1行に1宣言
```
declaration-block-single-line-max-declarations
```
- 末尾のセミコロンを省略しない
```
declaration-block-trailing-semicolon
```

##Declaration Property
- borderにnoneを許可しない。0を使う
```
declaration-property-value-blacklist
```

##Function
- コンマの後ろにスペースを入れる
```
function-comma-space-after
```
- 括弧の前後内側スペースを許可しない
```
function-parentheses-space-inside
```
- URLは引用符で囲む
```
function-url-quotes
```

##General
- インデントは空白2つ
```
indentation
```
- 0に単位は付けない
```
length-zero-no-unit
```
- @each, @media, @supports, @include以外のネストは1階層まで
```
max-nesting-depth
```
- ファイルの最後に改行
```
no-missing-end-of-source-newline
```

##Media Feature
- @mediaにベンダープレフィックスを許可しない
```
media-feature-name-no-vendor-prefix
```
- @mediaの括弧前後内側の空白は許可しない
```
media-feature-parentheses-space-inside
```

##Number
- 1未満の小数の0を省略しない
```
number-leading-zero
```
- 小数点以下の末尾0を許可しない
```
number-no-trailing-zeros
```

##Property
- 不明のプロパティを使用しない
```
property-no-unknown
```
- プロパティにベンダープレフィックスを許可しない
```
property-no-vendor-prefix
```
- ショートハンドでまとめられる時は警告
```
shorthand-property-no-redundant-values
```

##Rule
- ルールの前に空行が必要
```
rule-empty-line-before
```

##SCSS
- 不明なat-ruleを使用しない
```
scss/at-rule-no-unknown
```
- @extendは%を使う
```
scss/at-extend-no-missing-placeholder
```
- SCSS関数は小文字で
```
scss/at-function-pattern
```
- @importするファイル名先頭の_を許可しない
```
scss/at-import-no-partial-leading-underscore
```
- .scssを@importする時拡張子を書かない
```
scss/at-import-partial-extension-blacklist
```
- @mixinは小文字で
```
scss/at-mixin-pattern
```
- 変数のコロンの後ろに空白
```
scss/dollar-variable-colon-space-after
```
- 変数のコロンの前の空白を許可しない
```
scss/dollar-variable-colon-space-before
```
- 変数は小文字で
```
scss/dollar-variable-pattern
```
- SCSSプレースホルダーは小文字で
```
scss/percent-placeholder-pattern
```
- ネストする時無駄な&は許可しない
```
scss/selector-no-redundant-nesting-selector
```

##Selector
- セレクタは小文字で
```
selector-class-pattern
```
- セレクタ指定のコンマの後は改行
```
selector-list-comma-newline-after
```
- ネストしないで書けるセレクタの数は3つまで
```
selector-max-compound-selectors
```
- セレクタにidを許可しない
```
selector-max-id
```
- class, id, 属性に要素名を付けない？
```
selector-no-qualifying-type
```
- セレクタにベンダープレフィックスを許可しない
```
selector-no-vendor-prefix
```
- 擬似要素は二重コロン
```
selector-pseudo-element-colon-notation
```
- 未知の擬似要素セレクタを許可しない
```
selector-pseudo-element-no-unknown
```

##String
- 文字列は一重引用符で
```
string-quotes
```

##Value
- 値にベンダープレフィックスを許可しない
```
value-no-vendor-prefix
```

##order
- いい感じに並んでいるか
```
order/order
```
- プロパティがabc順に並んでいるか
```
order/properties-alphabetical-order
```

##ソース
```
{
  "plugins": ["stylelint-order", "stylelint-scss"],
  "rules": {
    "at-rule-blacklist": ["debug"],
    "at-rule-no-unknown": null,
    "at-rule-no-vendor-prefix": true,
    "block-no-empty": true,
    "block-opening-brace-space-before": "always",
    "color-hex-case": "lower",
    "color-hex-length": "short",
    "color-named": "never",
    "color-no-invalid-hex": true,
    "declaration-bang-space-after": "never",
    "declaration-bang-space-before": "always",
    "declaration-block-semicolon-newline-after": "always",
    "declaration-block-semicolon-space-before": "never",
    "declaration-block-single-line-max-declarations": 1,
    "declaration-block-trailing-semicolon": "always",
    "declaration-colon-space-after": "always-single-line",
    "declaration-colon-space-before": "never",
    "declaration-property-value-blacklist": {
      "border": ["none"],
      "border-top": ["none"],
      "border-right": ["none"],
      "border-bottom": ["none"],
      "border-left": ["none"]
    },
    "function-comma-space-after": "always-single-line",
    "function-parentheses-space-inside": "never",
    "function-url-quotes": "always",
    "indentation": 2,
    "length-zero-no-unit": true,
    "max-nesting-depth": [
      1,
      {
        "ignoreAtRules": [
          "each",
          "media",
          "supports",
          "include"
        ]
      }
    ],
    "media-feature-name-no-vendor-prefix": true,
    "media-feature-parentheses-space-inside": "never",
    "no-missing-end-of-source-newline": true,
    "number-leading-zero": "always",
    "number-no-trailing-zeros": true,
    "order/order": [
      [
        "custom-properties",
        "dollar-variables",
        {
          "type": "at-rule",
          "name": "extend"
        },
        {
          "type": "at-rule",
          "name": "include",
          "hasBlock": false
        },
        "declarations",
        {
          "type": "at-rule",
          "name": "include",
          "hasBlock": true
        },
        "rules"
      ]
    ],
    "order/properties-alphabetical-order": true,
    "property-no-unknown": true,
    "property-no-vendor-prefix": true,
    "rule-empty-line-before": [
      "always-multi-line",
      {
        "except": ["first-nested"],
        "ignore": ["after-comment"]
      }
    ],
    "scss/at-extend-no-missing-placeholder": true,
    "scss/at-function-pattern": "^[a-z]+([a-z0-9-]+[a-z0-9]+)?$",
    "scss/at-import-no-partial-leading-underscore": true,
    "scss/at-import-partial-extension-blacklist": ["scss"],
    "scss/at-mixin-pattern": "^[a-z]+([a-z0-9-]+[a-z0-9]+)?$",
    "scss/at-rule-no-unknown": true,
    "scss/dollar-variable-colon-space-after": "always",
    "scss/dollar-variable-colon-space-before": "never",
    "scss/dollar-variable-pattern": "^[_]?[a-z]+([a-z0-9-]+[a-z0-9]+)?$",
    "scss/percent-placeholder-pattern": "^[a-z]+([a-z0-9-]+[a-z0-9]+)?$",
    "scss/selector-no-redundant-nesting-selector": true,
    "selector-class-pattern": [
      "^[a-z0-9\\-]+$",
      {
        "message":
          "Selector should be written in lowercase with hyphens (selector-class-pattern)"
      }
    ],
    "selector-list-comma-newline-after": "always",
    "selector-max-compound-selectors": 3,
    "selector-max-id": 0,
    "selector-no-qualifying-type": true,
    "selector-no-vendor-prefix": true,
    "selector-pseudo-element-colon-notation": "double",
    "selector-pseudo-element-no-unknown": true,
    "shorthand-property-no-redundant-values": true,
    "string-quotes": "single",
    "value-no-vendor-prefix": true
  }
}
```

https://github.com/bjankord/stylelint-config-sass-guidelines