fix(deps): update module github.com/tdewolff/minify/v2 to v2.24.13

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/tdewolff/minify/v2	v2.24.12 → v2.24.13

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Release Notes

tdewolff/minify (github.com/tdewolff/minify/v2)

v2.24.13

Compare Source

• CSS: allow custom properties at stylesheet top-level, see #​784
• JS: fix rearrangement of const/let variables, fixes #​958

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[renovate]

ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 2 additional dependencies were updated

Details:

Package	Change
github.com/tdewolff/parse/v2	v2.8.11 -> v2.8.12
golang.org/x/sys	v0.39.0 -> v0.43.0

[github-actions]

Renovate PR Review Results

⚖️ Safety Assessment: ✅ Safe

🔍 Release Content Analysis

This PR updates github.com/tdewolff/minify/v2 from v2.24.12 to v2.24.13, which is a patch version update containing bug fixes with no breaking changes.

Key Changes in v2.24.13:

1. CSS Enhancement (#784): Fixed handling of CSS custom properties (CSS variables) at stylesheet top-level. Previously, the minifier incorrectly removed whitespace around operators in calc() functions containing variables (e.g., producing invalid calc(var(--width)+var(--expansion)) instead of valid calc(var(--width) + var(--expansion))). This fix ensures proper spacing is preserved.

2. JavaScript Bug Fix (#958): Resolved incorrect rearrangement of const/let variable declarations during minification. The minifier was reordering variables in a way that violated JavaScript's temporal dead zone semantics, causing runtime errors when variables were referenced before declaration.

Indirect Dependency Updates:

• github.com/tdewolff/parse/v2: v2.8.11 → v2.8.12
• github.com/tdewolff/test: v1.0.11 → v1.0.12
• golang.org/x/sys: v0.39.0 → v0.43.0

No API Changes: The public API of the minify package remains unchanged. All existing methods, function signatures, and usage patterns are preserved.

🎯 Impact Scope Investigation

Usage Analysis:

The gat codebase uses github.com/tdewolff/minify/v2 in three formatter files:

1. internal/formatters/html_minified.go:10-30

   • Uses minify.New(), html.Minifier, and css.Minify
   • Benefits from CSS custom properties fix

2. internal/formatters/json_minified.go:9-24

   • Uses minify.New() and json.Minify
   • No direct impact from this release's changes

3. internal/formatters/svg_minified.go:9-24

   • Uses minify.New() and svg.Minify
   • No direct impact from this release's changes

Testing Results:

✅ All tests pass: go test ./... completed successfully
✅ Build succeeds: go build completed without errors
✅ No test files exist for formatters package, but integration tests in other packages pass

Dependency Impact:

The transitive dependencies (parse/v2 and test) are internal to the minify package ecosystem and do not expose breaking changes. The golang.org/x/sys update from v0.39.0 to v0.43.0 is a standard maintenance update with no impact on gat's usage.

Code Modification Assessment:

• No code changes required: gat uses the stable public API (minify.New(), AddFunc(), Add(), Minify()) which remains unchanged
• No configuration changes needed: All formatter configurations are code-based and remain valid
• Backward compatible: The update only fixes bugs without altering expected behavior for valid inputs

💡 Recommended Actions

1. Merge immediately: This is a safe patch update with bug fixes that improve the quality of minified output
2. No code modifications required: Existing code works without changes
3. Consider the benefits: The CSS fix improves handling of modern CSS features (custom properties), and the JS fix prevents potential minification errors

Post-Merge Verification (Optional):

# Run tests after merge to confirm
go test ./...

# Test minified output quality with actual files
./gat --format html-min <sample.html>
./gat --format json-min <sample.json>
./gat --format svg-min <sample.svg>

🔗 Reference Links

• Release v2.24.13
• CSS Custom Properties Issue #784
• JavaScript const/let Variables Issue #958
• Full Comparison v2.24.12...v2.24.13

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