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unit-disallowed-list

Specify a list of disallowed units.

a { width: 100px; }
/**           ↑
 *  These units */

The message secondary option can accept the arguments of this rule.

Options​

array|string: ["array", "of", "units"]|"unit"

Given:

["px", "em", "deg"]

The following patterns are considered problems:

a { width: 100px; }
a { font-size: 10em; }
a { transform: rotate(30deg); }

The following patterns are not considered problems:

a { font-size: 1.2rem; }
a { line-height: 1.2; }
a { height: 100vmin; }
a { animation: animation-name 5s ease; }

Optional secondary options​

ignoreProperties: { "unit": ["property", "/regex/", /regex/]|"property"|"/regex/"|/regex/ }​

Ignore units in the values of declarations with the specified properties.

For example, with ["px", "vmin"].

Given:

{
  "px": ["font-size", "/^border/"],
  "vmin": "width"
}

The following patterns are not considered problems:

a { font-size: 13px; }
a { border-bottom-width: 6px; }
a { width: 100vmin; }

The following patterns are considered problems:

a { line-height: 12px; }
a { -moz-border-radius-topright: 40px; }
a { height: 100vmin; }

ignoreMediaFeatureNames: { "unit": ["property", "/regex/", /regex/]|"property"|"/regex/"|/regex/ }​

Ignore units for specific feature names.

For example, with ["px", "dpi"].

Given:

{
  "px": ["min-width", "/height$/"],
  "dpi": "resolution"
}

The following patterns are not considered problems:

@media (min-width: 960px) {}
@media (max-height: 280px) {}
@media not (resolution: 300dpi) {}

The following patterns are considered problems:

@media screen and (max-device-width: 500px) {}
@media all and (min-width: 500px) and (max-width: 200px) {}
@media print and (max-resolution: 100dpi) {}

ignoreFunctions: ["function", "/regex/", /regex/]|"function"|"/regex/"|/regex/​

Ignore units that are inside of the specified functions.

For example, with ["px"].

Given:

["calc", "/^translate/"]

The following patterns are not considered problems:

a { margin: calc(50% - 100px) }
a { transform: translateX(100px) }