fix: css order after optimization #1746
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概述遍历这个拉取请求主要修改了模块连接和 CSS 优化相关的代码。在 变更
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WalkthroughThis pull request addresses the issue of CSS order after optimization by introducing an order mechanism in the module concatenation process. It ensures that CSS rules are applied in the correct sequence, which is validated through new test cases. Changes
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Actionable comments posted: 0
🧹 Nitpick comments (2)
e2e/fixtures/css.css-order-after-optimization/expect.js (1)
7-17: 测试用例需要加强对 CSS 顺序的验证当前的测试仅验证了两个
body样式声明的存在性，但没有严格验证它们的顺序。建议改进测试用例以确保 CSS 规则的精确顺序。建议按照以下方式修改测试：
-assert( - content.includes(` -body { - color: red; -} -body { - color: blue; -} - `.trim()), - "css should be right after optimization" -); +const expectedCSS = ` +body { + color: red; +} +body { + color: blue; +}`.trim(); + +assert( + content === expectedCSS, + "CSS rules should maintain the exact order: red color followed by blue color" +);crates/mako/src/plugins/tree_shaking/shake/module_concatenate.rs (1)
303-307: 优化 order 的赋值逻辑当前的实现中，order 的递增逻辑可以更加清晰。
建议重构为：
- order, - span: None, - }, - ); - order += 1; + order: order.checked_add(1).unwrap_or(0), + span: None, + }, + ); + order = order.saturating_add(1);
📜 Review details
Configuration used: CodeRabbit UI
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📒 Files selected for processing (10)
crates/mako/src/plugins/tree_shaking/shake/module_concatenate.rs(2 hunks)e2e/fixtures/css.css-order-after-optimization/expect.js(1 hunks)e2e/fixtures/css.css-order-after-optimization/mako.config.json(1 hunks)e2e/fixtures/css.css-order-after-optimization/src/blue.css(1 hunks)e2e/fixtures/css.css-order-after-optimization/src/blue.js(1 hunks)e2e/fixtures/css.css-order-after-optimization/src/index.ts(1 hunks)e2e/fixtures/css.css-order-after-optimization/src/red.css(1 hunks)e2e/fixtures/css.css-order-after-optimization/src/red.js(1 hunks)e2e/fixtures/javascript.require-context/lazy-case.js(1 hunks)e2e/fixtures/javascript.require-context/sync-case.js(1 hunks)
✅ Files skipped from review due to trivial changes (8)
- e2e/fixtures/css.css-order-after-optimization/src/red.css
- e2e/fixtures/css.css-order-after-optimization/src/blue.css
- e2e/fixtures/javascript.require-context/lazy-case.js
- e2e/fixtures/javascript.require-context/sync-case.js
- e2e/fixtures/css.css-order-after-optimization/src/blue.js
- e2e/fixtures/css.css-order-after-optimization/mako.config.json
- e2e/fixtures/css.css-order-after-optimization/src/index.ts
- e2e/fixtures/css.css-order-after-optimization/src/red.js
⏰ Context from checks skipped due to timeout of 90000ms (5)
- GitHub Check: stable - aarch64-unknown-linux-musl - node@20
- GitHub Check: stable - aarch64-unknown-linux-gnu - node@20
- GitHub Check: stable - x86_64-unknown-linux-musl - node@20
- GitHub Check: stable - aarch64-apple-darwin - node@20
- GitHub Check: stable - x86_64-apple-darwin - node@20
🔇 Additional comments (1)
crates/mako/src/plugins/tree_shaking/shake/module_concatenate.rs (1)
Line range hint
266-307: 依赖顺序追踪的实现需要考虑边界情况引入
order变量来追踪依赖顺序是个好的改进，但实现中需要注意以下几点：
- 当前实现在循环中递增 order，可能会受到模块排序的影响
- 需要确保 order 在溢出时的处理
建议运行以下脚本验证是否存在循环依赖的情况：
✅ Verification successful
依赖顺序追踪实现已经考虑了边界情况
经过代码验证，当前实现已经妥善处理了以下关键点：
- 在
get_dependencies()方法中通过order字段正确排序依赖关系- 通过
toposort()方法检测和处理循环依赖- 使用
usize类型存储顺序值，在实践中不会发生溢出问题原有审查意见可以忽略，当前实现是安全可靠的。
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # 检查是否存在循环依赖，这可能会影响顺序追踪的正确性 ast-grep --pattern 'import $_ from "$_"' | sort | uniq -c | sort -nr | head -n 5Length of output: 709
Script:
#!/bin/bash # Check module graph implementation for circular dependency handling ast-grep --pattern 'fn detect_cycles($$$) { $$$ }' # Check how order is used in dependency resolution rg "order" -A 3 -B 3 "src/plugins/tree_shaking"Length of output: 165
Script:
#!/bin/bash # Find correct paths first fd -t f "module_graph|tree_shaking" -x echo {} # Then search for cycle detection and order handling rg "struct Dependency" -A 10 rg "detect.*cycle" -g "*.rs"Length of output: 1303
Script:
#!/bin/bash # Check module graph implementation cat ./crates/mako/src/module_graph.rs # Search for order field usage rg "pub fn add_dependency" -A 10 -B 2 ./crates/mako/src/module_graph.rsLength of output: 14751
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #1746 +/- ##
==========================================
- Coverage 54.81% 54.80% -0.01%
==========================================
Files 180 180
Lines 18081 18084 +3
==========================================
Hits 9911 9911
- Misses 8170 8173 +3 ☔ View full report in Codecov by Sentry. |
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Close #1740
Summary by CodeRabbit
发行说明
新功能
测试
文档
性能优化
这些更改主要关注于构建工具的测试和优化，提升了代码的健壮性和灵活性。