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stylelint

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Modern CSS linter

github.com/stylelint/stylelint

stylelint/stylelint

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# selector-list-comma-space-before Require a single space or disallow whitespace before the commas of selector lists. ```css a ,b { color: pink; } /** ↑ * The space before this comma */ ``` ## Options `string`: `"always"|"never"|"always-single-line"|"never-single-line"` ### `"always"` There *must always* be a single space before the commas. The following patterns are considered warnings: ```css a,b { color: pink; } ``` ```css a, b { color: pink; } ``` The following patterns are *not* considered warnings: ```css a ,b { color: pink; } ``` ```css a , b { color: pink; } ``` ### `"never"` There *must never* be whitespace before the commas. The following patterns are considered warnings: ```css a ,b { color: pink; } ``` ```css a , b { color: pink; } ``` The following patterns are *not* considered warnings: ```css a,b { color: pink; } ``` ```css a, b { color: pink; } ``` ### `"always-single-line"` There *must always* be a single space before the commas in single-line selector lists. The following patterns are considered warnings: ```css a,b { color: pink; } ``` The following patterns are *not* considered warnings: ```css a, b { color: pink; } ``` ### `"never-single-line"` There *must never* be a single space before the commas in single-line selector lists. The following patterns are considered warnings: ```css a ,b { color: pink; } ``` The following patterns are *not* considered warnings: ```css a , b { color: pink; } ```