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declaration-property-unit-whitelist.md

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Pattern: Use of non-whitelisted property/unit pair

Issue: -

Description

Specify a whitelist of allowed property and unit pairs within declarations.

Examples

object: { "unprefixed-property-name": ["array", "of", "units"] }

If a property name is surrounded with "/" (e.g. "/^animation/"), it is interpreted as a regular expression. This allows, for example, easy targeting of shorthands: /^animation/ will match animation, animation-duration, animation-timing-function, etc.

Given:

{
  "font-size": ["em", "px"],
  "/^animation/": ["s"],
  "line-height": []
}

The following patterns are considered violations:

a { font-size: 1.2rem; }
a { animation: animation-name 500ms ease; }
a { -webkit-animation: animation-name 500ms ease; }
a { animation-duration: 500ms; }
a { line-height: 13px; }

The following patterns are not considered violations:

a { font-size: 1em; }
a { height: 100px; }
a { animation: animation-name 5s ease; }
a { -webkit-animation: animation-name 5s ease; }
a { animation-duration: 5s; }
a { line-height: 1; }