PostCSS reduces SourceMap #797

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aslushnikov opened this Issue Apr 29, 2016 · 8 comments

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@aslushnikov

Hi Andrey,

The autoprefixer/postcss turned out to output reduced sourceMap, i.e. it reduces the amount information in the initial sourcemap. The example repo is here: aslushnikov/autoprefixer-breaks-sourcemap

SourceMap without autoprefixer: sourceMap - notice how red sass variable is mapped to css property value.
SourceMap with autoprefixer: sourceMap - notice how mapping is done property-wise.

Could this be fixed?

@ai ai added the enhancement label Apr 29, 2016
@ai ai added this to the 6.0 milestone Apr 29, 2016
@ai
Member
ai commented Apr 29, 2016

It will be fixed when we will tokenize values and selectors in 6.0.

@aslushnikov

Great, thanks!
cc @paulirish who is interested in this as well.

@paulirish

Great to hear! We're shipping some awesome sass editing features in devtools and will be excited to demonstrate it working with autoprefixer in the pipeline. :)

cheers

@matthew-dean
Contributor

@paulirish Will you be publishing how Less can be integrated into devtools editing?

@paulirish

@matthew-dean perhaps! can you hook me up with a small less app with a watch task that I can try out?

@matthew-dean
Contributor

@paulirish You mean like: https://getcrunch.co/, the best Less & Sass editor/compiler app of all time in the history of human civilization? ... I might be biased. 👀

@erquhart
erquhart commented Nov 4, 2016 edited

@matthew-dean I think he means a small website/app with styles written in less and a watch task in place via npm-scripts/grunt/gulp.

@yisibl
Contributor
yisibl commented Nov 16, 2016 edited

Chrome 53:

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