[Security] Bump postcss from 8.2.1 to 8.3.6

[dependabot-preview]

Bumps postcss from 8.2.1 to 8.3.6. This update includes security fixes.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Regular Expression Denial of Service in postcss The npm package postcss from 7.0.0 and before versions 7.0.36 and 8.2.10 is vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

Affected versions: >= 8.0.0 < 8.2.10

Sourced from The GitHub Security Advisory Database.

Regular Expression Denial of Service in postcss The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

Affected versions: >= 7.0.0 < 8.2.10

Release notes

Sourced from postcss's releases.

8.3.6

• Fixed column in missed semicolon error (by @​Gusted).

8.3.5

• Fixed broken AST detection.

8.3.4

• Fixed broken AST detection.

8.3.3

• Fixed broken AST on postcss dependency duplication in custom parsers.

8.3.2

• Update changelog.

8.3.1

• Fixed false positives PostCSS does nothing warning on syntax option.

8.3 “Duke Murmur”

PostCSS 8.3 improved source map parsing performance, added Node#assign() shortcut, and experimental Document node to AST.

Thanks to Sponsors

This release was possible thanks to our community.

If your company wants to support the sustainability of front-end infrastructure or wants to give some love to PostCSS, you can join our supporters by:

• Tidelift with a Spotify-like subscription model supporting all projects from your lock file.
• Direct donations in PostCSS & Autoprefixer Open Collective.

Source Map Performance

Because PostCSS needs synchronous API, we can’t move from the old `source-map 0.6 to 0.7 (many other open-source projects too).

@​7rulnik forked source-map 0.6 to source-map-js and back-ported performance improvements from 0.7. In 8.3 we switched from source-map to this source-map-js fork.

You map see 4x performance improvements in parsing map from processing step before PostCSS (for instance, Sass).

Document Nodes

Thanks to @​gucong3000, PostCSS already parse CSS from HTML and JS files (CSS-in-JS templates and objects).

... (truncated)

Changelog

Sourced from postcss's changelog.

8.3.6

• Fixed column in missed semicolon error (by @​Gusted).

8.3.5

• Fixed broken AST detection.

8.3.4

• Fixed broken AST detection.

8.3.3

• Fixed broken AST on postcss dependency duplication in custom parsers.

8.3.2

• Update changelog.

8.3.1

• Fixed false positives PostCSS does nothing warning on syntax option.

8.3 “Duke Murmur”

• Added Node#assign() shortcut (by Jonathan Neal).
• Added experimental Document node to AST (by Aleks Hudochenkov).
• Moved to faster fork of source-map (by Valentin Semirulnik).

Commits

• 91c6d66 Release 8.3.6 version
• d3e7aa9 Update dependencies
• c72594b Merge pull request #1618 from Gusted/fix-missed-semicolon
• 422b5bf Return correct column on missed semicolon
• 1545d8a Merge pull request #1610 from hex-ci/patch-1
• 476141a Added postcss-unit-processor plugin to the list
• 56dcf91 Added postcss-unit-processor plugin to the list
• 7e7b0e9 Merge pull request #1605 from megos/fix-duplicate-changelog
• 08ea82e Fix duplicate changelog
• e3781e9 Release 8.3.5 version
• Additional commits viewable in compare view

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