feat: better CSS parsing #21978
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feat: better CSS parsing #21978
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daibhin
commented
Apr 30, 2024
| --- /dev/null | ||
| +++ b/es/rrweb/packages/rrweb-snapshot/es/css.js | ||
| @@ -0,0 +1,87 @@ | ||
| +import postcss from '../../../../../../../../../postcss/lib/postcss.js' |
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Directory is after the patch is applied e.g. node_modules/.pnpm/rrweb@2.0.0-alpha.13_patch_hash=6bgnomayryopibyfydha2z5wbi/node_modules/rrweb/es/rrweb/packages/rrweb-snapshot/es
daibhin
commented
Apr 30, 2024
patches/rrweb@2.0.0-alpha.13.patch
Outdated
| - whitespace(); | ||
| - while (css[0] == '}') { | ||
| - error('extra closing bracket'); | ||
| - css = css.slice(1); | ||
| - whitespace(); | ||
| - } | ||
| - const m = match(/^(("(?:\\"|[^"])*"|'(?:\\'|[^'])*'|[^{])+)/); | ||
| + const m = match(/^([^{]+)/); |
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Diff gets a little funky here because we are removing a previously applied patch
daibhin
commented
Apr 30, 2024
patches/rrweb@2.0.0-alpha.13.patch
Outdated
| } | ||
|
|
||
| -const commentre = /\/\*[^*]*\*+([^/*][^*]*\*+)*\//g; | ||
| -function parse(css, options = {}) { |
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Removes all the old ast generation code because of a naming clash
marandaneto
approved these changes
Apr 30, 2024
|
This is huge, hopefully its a smooth patch 😅 |
daibhin
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@marandaneto I got scared 🙈 added a try / catch with the existing code that it should fall back to in production. Going to ship once 🍏 |
Very clever 🚀 |
|
Change is live and everything works as expected 🙌 |
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Problem
Towards #18520
Changes
postcssnode module inposthogand reference code from within a patch applied to therrwebpackageDoes this work well for both Cloud and self-hosted?
Yes
How did you test this code?
postcssis tree shaken in production and cannot be accessed 🤔