noUnknownFunction
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Diagnostic Category: lint/correctness/noUnknownFunction
Since: v1.8.0
Sources:
- Same as:
stylelint/function-no-unknown
Disallow unknown CSS value functions.
This rule ignores double-dashed custom functions, e.g. --custom-function().
Data sources of known CSS value functions are:
- MDN reference on CSS value functions
- MDN reference on CSS reference
- MDN browser compatibility data for CSS value functions
Examples
Section titled ExamplesInvalid
Section titled Invalida { transform: unknown(1); }code-block.css:1:16 lint/correctness/noUnknownFunction ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✖ Unexpected unknown function: unknown
> 1 │ a { transform: unknown(1); }
│ ^^^^^^^
2 │
ℹ Use a known function instead.
ℹ See MDN web docs for more details.
Valid
Section titled Valida { transform: scale(1); }