Description:
rcssmin 1.1.2
RCSSmin is a CSS minifier.
The minifier is based on the semantics of the YUI compressor, which itself
is based on the rule list by Isaac Schlueter.
This module is a re-implementation aiming for speed instead of maximum
compression, so it can be used at runtime (rather than during a preprocessing
step). RCSSmin does syntactical compression only (removing spaces, comments
and possibly semicolons). It does not provide semantic compression (like
removing empty blocks, collapsing redundant properties etc). It does, however,
support various CSS hacks (by keeping them working as intended).
Here’s a feature list:
Strings are kept, except that escaped newlines are stripped
Space/Comments before the very end or before various characters are
stripped: :{});=>],! (The colon (:) is a special case, a single
space is kept if it’s outside a ruleset.)
Space/Comments at the very beginning or after various characters are
stripped: {}(=:>[,!
Optional space after unicode escapes is kept, resp. replaced by a simple
space
whitespaces inside url() definitions are stripped, except if it’s a
quoted non-base64 data url
Comments starting with an exclamation mark (!) can be kept optionally.
All other comments and/or whitespace characters are replaced by a single
space.
Multiple consecutive semicolons are reduced to one
The last semicolon within a ruleset is stripped
CSS Hacks supported:
IE7 hack (>/**/)
Mac-IE5 hack (/*\*/.../**/)
The boxmodelhack is supported naturally because it relies on valid CSS2
strings
Between :first-line and the following comma or curly brace a space is
inserted. (apparently it’s needed for IE6)
Same for :first-letter
rcssmin.c is a reimplementation of rcssmin.py in C and improves runtime up to
factor 100 or so (depending on the input). docs/BENCHMARKS in the source
distribution contains the details.
Supported python versions are 2.7 and 3.6+.
Copyright and License
Copyright 2011 - 2023
André Malo or his licensors, as applicable.
The whole package (except for the files in the bench/ directory) is
distributed under the Apache License Version 2.0. You’ll find a copy in the
root directory of the distribution or online at:
<http://www.apache.org/licenses/LICENSE-2.0>.
Bugs
No bugs, of course. ;-)
But if you’ve found one or have an idea how to improve rcssmin, feel free
to send a pull request on github
or send a mail to <rcssmin-bugs@perlig.de>.
Author Information
André “nd” Malo <nd perlig.de>
GPG: 0x029C942244325167
If God intended people to be naked, they would be born that way.
– Oscar Wilde
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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