htmlnano
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posthtml
Minify CSS class names and ids
This can be done simply by calling posthtml-uglify inside minifyCss.
Bonus is that it can share the whitelist with uncss if we add uncss per #36.
Good idea! I guess it might break some pages, so it's better to add it to max preset.
Does posthtml-uglify take into account external styles? If not then we should do that on our side.
Does posthtml-uglify take into account external styles?
No, it only looks at <style> tags.
If not then we should do that on our side.
How would that work? Wouldn't that mean that htmlnano would have to modify files outside the HTML?
How would that work?
I see a few possible ways:
- Ignore classes and IDs found in external CSS. Not sure how easy it'd be to parse them, though.
- Rewrite names in external CSS. It seems a bit out of htmlnano's scope for me, though.
- Disable minification at all if external CSS is found.
In an ideal case, we could implement all 3 options and let users configure that themselves how they want this minification work.
Ouch, completely forgot that this will break external stylesheets. That's a tricky problem to solve.
Disable minification at all if external CSS is found.
This seems like a good low-hanging fruit for a first version.
I'm also worried that posthtml-uglify seems unmaintained (at least based on PR / issue activity). Taking this into account, I'm now leaning more towards replicating similar functionality in htmlnano (or maybe forking the project?).
I'm also worried that posthtml-uglify seems unmaintained (at least based on PR / issue activity).
I think it's totally fine to use it. We can always switch htmlnano to a forked version if needed. We could also ask then if @Rebelmail are willing to transfer posthtml-uglify to posthtml namespace.
You may also want to consider posthtml-minify-classnames which still receives maintenance and has a few more improvements over posthtml-uglify?
