function-url-scheme-blacklist
Deprecated: Instead use the function-url-scheme-disallowed-list
rule.
Specify a list of disallowed URL schemes.
a { background-image: url('http://www.example.com/file.jpg'); }
/** ↑
* This URL scheme */A URL
scheme consists of alphanumeric, +, -, and
. characters. It can appear at the start of a URL and is
followed by :.
This rule ignores:
- URL arguments without an existing URL scheme
- URL arguments with variables or variable interpolation
(
$sass,@less,--custom-property,#{$var},@{var},$(var))
Options
array|string|regex:
["array", "of", /schemes/ or "/regex/"]|"scheme"|/regex/
Given:
["ftp", "/^http/"]The following patterns are considered violations:
a { background-image: url('ftp://www.example.com/file.jpg'); }a { background-image: url('http://www.example.com/file.jpg'); }a { background-image: url('https://www.example.com/file.jpg'); }The following patterns are not considered violations:
a { background-image: url('data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs='); }a { background-image: url('example.com/file.jpg'); }a { background-image: url('/example.com/file.jpg'); }a { background-image: url('//example.com/file.jpg'); }a { background-image: url('./path/to/file.jpg'); }