Ruby-Sass converts color values to shorter representations, LibSass doesn't

[bittner]

I've just switched from gulp-ruby-sass to gulp-sass, simply for the issue of CSS inline imports (sass/#556, sass-loader/#101). And, yes, inline-importing CSS files works like a charm with the LibSass-based implementation. This is one "incompatibility". 😏

Comparing the generated CSS I see that the LibSass-generated file is slightly bigger, because of color values that are kind if "minified" by the Ruby implementation, whereas with LibSass they remain as they are in the original source file (.sass), e.g.

original = LibSass --> Ruby-Sass

• #ffffcc --> #ffc
• #CC0000 --> #c00
• #FF0000 --> red
• #AAAAAA --> #aaa
• #99CC66 --> #9c6
• #FF6600 --> #f60
• #CC3300 --> #c30
• #330099 --> #309
• #336666 --> #366
• #003333 --> #033
• #CC3300 --> #c30

Interestingly, not all color values are converted, some remain unchanged, e.g.

• #FFCCCC (but this occurs in a background-color, not in color)
• #006699 (color)
• #00AA88 (color)
• #CC0000 (color, even though converted earlier in the document in a border -- see above)

Is this an incompatibility I'm supposed to give notice about, or is this behavior maybe configurable in LibSass? I'd love to see the output matching completely.

[KittyGiraudel]

Ping @xzyfer for opinion. :)

[xzyfer]

LibSass does do this. Like Ruby sass it only happens in compressed mode. In
other modes it substitutes color values for names if possible.
On 6 Nov 2015 10:12 pm, "Hugo Giraudel" notifications@github.com wrote:

Ping @xzyfer https://github.com/xzyfer for opinion. :)

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[KittyGiraudel]

Soooo no incompatibility, right?

[xzyfer]

Not as far as I know.
On 6 Nov 2015 10:31 pm, "Hugo Giraudel" notifications@github.com wrote:

Soooo no incompatibility, right?

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[KittyGiraudel]

Closing then, thanks!

[bittner]

Sorry, but this is not true. My observation is about compressed mode. You have to reopen this bug. Sass packages involved are:

├─┬ gulp-sass@2.1.0
│ ├─┬ node-sass@3.4.1

[xzyfer]

Please provide a sassmiester gist showing an example. The code for this
definitely exists but it's entirely possible there is a bug.
On 7 Nov 2015 1:58 am, "Peter Bittner" notifications@github.com wrote:

Sorry, but this is not true. My observation is about compressed mode. You
have to reopen this bug. Sass packages involved are:

├─┬ gulp-sass@2.1.0
│ ├─┬ node-sass@3.4.1

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#47 (comment)
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[bittner]

Here is the SassMeister gist: bittner/SassMeister-input.scss
Don't blame me for the syntax, I've noted the source of the code in the header comments.

[xzyfer]

This is a bug in recent versions, but the feature exists.

[xzyfer]

LibSass bug sass/libsass#1733