Upgrade svgo to version 2.3.0

[depfu]

Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ svgo (^1.0.5 → ^2.3.0) · Repo · Changelog

Release Notes

2.3.0

Hey, everybody! We have a big release here.

• The new plugin is added for merging style elements into one. See #1381

Before:

<svg>
  <style media="print">
    .st0{ fill:red; padding-top: 1em; padding-right: 1em; padding-bottom: 1em; padding-left: 1em; }
  </style>
  <style>
    .test { background: red; }
  </style>
</svg>

After:

<svg>
  <style>
    @media print{
      .st0{ fill:red; padding-top: 1em; padding-right: 1em; padding-bottom: 1em; padding-left: 1em; }
    }
    .test { background: red; }
  </style>
</svg>

• CLI got new --exclude flag which uses regexps to exclude some files from --folder. See #1409

svgo --folder=svgs --exclude "invalid-icon" "bad-.+"

• Internal AST is migrated to XAST. This spec makes maintaining plugins easier and may be used as interop with other tools like SVGR.

• The new visitor plugin type combines features of "full", "perItem" and "perItemReverse" plugins without loosing simplicity. Eventually only visitor api will be supported. See #1454

Also small fixes

• override default floatPrecision in plugins with globally specified one (7389bcd)
• fix rendering -0 in path data (3d4adb6)
• make browser bundle 30% smaller (2799622)
• simplified convertPathData plugin (a04b27a and 6165743)
• prepared for more regression tests (d89d36e)

Thanks to @chambo-e, @strarsis, @XhmikosR, @omgovich and @TrySound

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 54 commits:

• 2.3.0
• Implement exclude pattern cli option (#1409)
• Add mergeStyles to readme
• Add "visitor" plugins support (#1454)
• Add mergeStyles plugin (#1381)
• Split regression extracter and runner (#1451)
• Serve svg for regressions and cache w3c test suite
• Override default floatPrecision with global
• Implement simple node clone (#1450)
• Simplify number rendering and fix -0 in path
• Remove hasAttr and hasAttrLocal usages (#1447)
• Convert addAttributesToSVGElement to item plugin (#1448)
• Specify --ignore-path for ESLint (#1443)
• Fix invalid radix in cli (#1446)
• Add a test for removeXMLNS plugin (#1444)
• removeOffCanvasPaths: Add one more test (#1445)
• Update devDependencies (#1442)
• addClassesToSVGElement: add one more test (#1441)
• Use charAt instead of charCodeAt when possible (#1440)
• Remove the executable flag from files. (#1439)
• test/config/_index.js: fix `find` usage (#1438)
• Add fix script
• Migrate ast traversing into xast module (#1434)
• Access attributes directly (#1433)
• Replace removeAttr with delete operator (#1432)
• Replace attributes iterators with for/of (#1431)
• Move attrs polyfill into jsapi
• Merge pull request #1428 from svg/refactor_apply_transforms
• Fix ts
• Refactor apply transforms
• Merge pull request #1427 from svg/refactor-convert-to-relative
• Remove broken optimisation
• Refactor convertToRelative
• Merge pull request #1420 from svg/xast-children
• Convert element children to xast
• Merge pull request #1419 from svg/xast-attributes
• Fix lint
• Convert attributes to xast with proxy fallback
• Merge pull request #1418 from svg/xast-element
• Fix lint
• Prepare root and element nodes for xast
• Merge pull request #1416 from svg/xast-text
• Merge pull request #1417 from omgovich/lighter-browser-bundle
• Remove whitespaces and comments from the browser bundle
• Fix types
• Clarify condition and add todo with new plugin
• Convert cdata and text nodes to xast
• Convert to xast doctype, instruction and comment nodes (#1415)
• Fix types
• Convert to xast doctype, instruction and comment nodes
• Remove prefix/local support in elements and attributes (#1413)
• Remove licenses
• Lint unformatted code
• Format all plugins with prettier

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Closed in favor of #875.