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fix: async module in circular dependence #1659
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Walkthrough该拉取请求主要对处理异步依赖的逻辑进行了修改,特别是在 Changes
Assessment against linked issues
Possibly related PRs
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Actionable comments posted: 7
🧹 Outside diff range and nitpick comments (8)
e2e/fixtures/javascript.async_module_in_loop/index.js (1)
1-6
: 建议添加测试用例说明为了提高代码的可维护性,建议在测试用例前添加注释,说明测试的目的和预期行为。
建议添加如下注释:
+/** + * 测试异步模块在循环依赖中的行为 + * 验证 displayConfig 函数是否正确返回配置键数组 + */ import {displayConfig} from "./component"; it("should require looped async module", async () => {e2e/fixtures/javascript.async_module_in_loop/utils.js (1)
8-8
: 改进错误处理的返回值使用
"oops"
作为回退值缺乏实际意义,建议使用更有意义的错误提示。建议修改为:
- return ["oops"] + return ["配置未定义"]e2e/fixtures/javascript.async_module_in_loop/component.js (1)
5-7
: 建议添加类型注释为了提高代码的可维护性,建议为导出的配置对象添加类型注释。
+/** @type {{ key: string }} */ export const config = { key: "value" }
crates/mako/src/generate/transform.rs (2)
81-83
: 改进了异步依赖处理的健壮性!代码改动通过使用
cloned()
和unwrap_or(vec![])
替代了之前可能导致程序崩溃的expect
调用,这是一个很好的改进。这样的改动使得在处理循环依赖时更加安全。建议考虑添加调试日志,以便于在开发环境中追踪模块依赖的处理过程:
let async_deps = async_deps_by_module_id .get(&module_id) .cloned() - .unwrap_or(vec![]); + .unwrap_or_else(|| { + debug!("No async dependencies found for module: {}", module_id); + vec![] + });
79-84
: 建议添加关于异步模块处理的文档说明当前的实现很好地解决了循环依赖的问题,但建议添加注释说明这段代码在处理异步模块依赖时的具体行为,特别是在处理循环依赖的场景下。这将有助于其他开发者理解代码的意图。
建议添加如下注释:
+ // 获取模块的异步依赖 + // 在循环依赖的情况下,即使模块ID不存在也不会导致panic + // 而是返回空的依赖列表,确保转换过程可以安全继续 let async_deps = async_deps_by_module_id .get(&module_id) .cloned() .unwrap_or(vec![]);crates/mako/src/visitors/async_module.rs (3)
226-227
: 建议:修改注释以更准确传达意图第226行的注释
// polluted async to dependants
可能词不达意。建议修改为// 将异步状态传播给依赖模块
,以更清晰地表达代码的作用。
Line range hint
296-314
: 建议:增强测试用例的覆盖范围当前测试用例
test_default_import_async_module
仅验证了单个异步依赖的情况。为了确保代码的健壮性,建议增加测试用例,包含以下场景:
- 多个异步依赖的情况
- 异步模块之间存在循环依赖的情况
- 异步和同步模块混合依赖的情况
您是否需要我协助编写这些测试用例或者创建一个新的GitHub issue来跟踪这一任务?
Line range hint
415-434
: 注意:变量名可能引起混淆在
test_mix_async_module
测试用例中,变量async
被用作变量名,但async
在Rust中是保留关键字。虽然在此上下文中可能不会导致语法错误,但是使用保留关键字作为变量名可能会降低代码的可读性,建议更改变量名以避免潜在的混淆。建议修改如下:
-const async = require('./miexed_async'); +const mixed_async = require('./mixed_async');
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (8)
- crates/mako/src/generate/transform.rs (1 hunks)
- crates/mako/src/visitors/async_module.rs (10 hunks)
- e2e/fixtures/javascript.async_module_in_loop/async.js (1 hunks)
- e2e/fixtures/javascript.async_module_in_loop/component.js (1 hunks)
- e2e/fixtures/javascript.async_module_in_loop/expect.js (1 hunks)
- e2e/fixtures/javascript.async_module_in_loop/index.js (1 hunks)
- e2e/fixtures/javascript.async_module_in_loop/mako.config.json (1 hunks)
- e2e/fixtures/javascript.async_module_in_loop/utils.js (1 hunks)
✅ Files skipped from review due to trivial changes (1)
- e2e/fixtures/javascript.async_module_in_loop/mako.config.json
🔇 Additional comments (7)
e2e/fixtures/javascript.async_module_in_loop/index.js (1)
1-1
: 导入语句看起来没有问题!导入语句正确地从相对路径导入了
displayConfig
函数。e2e/fixtures/javascript.async_module_in_loop/async.js (2)
5-7
: 相同的优化建议适用于此处这段代码与前面的模式相同,存在相同的优化空间。
请参考上面关于
x
变量的优化建议。
9-11
: 导出语句实现正确默认导出和命名导出的语法使用恰当。
e2e/fixtures/javascript.async_module_in_loop/component.js (2)
9-11
: 考虑异步处理由于该模块导入了异步模块,
displayConfig
函数可能需要考虑异步操作的情况。建议验证listKeys
函数是否正确处理了异步依赖。
1-3
: 验证模块导入的循环依赖关系这里同时导入了同步模块
./utils
和异步模块./async
,需要确保在循环依赖场景下能正确处理异步行为。✅ Verification successful
Let's examine the specific imports to understand the circular dependency pattern better.
已确认存在循环依赖,但属于预期测试场景
这是一个有意设计的测试用例,用于验证异步模块在循环依赖场景下的行为:
component.js
导入utils.js
和async.js
utils.js
反向导入component.js
- 测试文件
index.js
验证在这种循环依赖下的模块加载这种循环引用结构是该测试用例的预期设计,用于确保构建工具能正确处理异步模块的循环依赖情况。
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # 检查模块间的依赖关系 echo "检查 utils.js 是否导入了 component.js 或 async.js,形成循环依赖" rg -l "import.*from.*['\"]\./(component|async)['\"]" --type js echo "检查 async.js 是否导入了 component.js 或 utils.js,形成循环依赖" rg -l "import.*from.*['\"]\./(component|utils)['\"]" --type jsLength of output: 683
Script:
#!/bin/bash # 检查具体的导入语句 echo "utils.js 中的导入语句:" rg "import.*from.*['\"]\./(component|async)['\"]" e2e/fixtures/javascript.async_module_in_loop/utils.js echo "\nasync.js 中的导入语句:" rg "import.*from.*['\"]\./(component|utils)['\"]" e2e/fixtures/javascript.async_module_in_loop/async.js echo "\nindex.js 中的导入语句:" cat e2e/fixtures/javascript.async_module_in_loop/index.jsLength of output: 598
e2e/fixtures/javascript.async_module_in_loop/expect.js (2)
1-5
: 导入语句结构清晰,符合最佳实践!解构导入的方式使代码更加简洁和可维护。
9-9
: 🛠️ Refactor suggestion考虑使用动态导入以支持异步模块测试
由于这是异步模块的测试,建议使用动态导入来确保异步行为的正确性。
建议修改为:
-require("./dist/index.js"); +await import("./dist/index.js");注意:需要将包含此代码的函数标记为 async。
it("should require looped async moule", () => { | ||
expect(displayConfig()).toStrictEqual(["key"]) | ||
}) |
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测试用例需要进行一些改进
以下几点建议:
- 测试描述中 "moule" 应该改为 "module"
- 由于测试的是异步模块,应该使用 async/await 语法
- 建议添加错误处理
建议按如下方式修改代码:
-it("should require looped async moule", () => {
- expect(displayConfig()).toStrictEqual(["key"])
-})
+it("should require looped async module", async () => {
+ try {
+ const result = await displayConfig();
+ expect(result).toStrictEqual(["key"]);
+ } catch (error) {
+ throw new Error(`测试失败: ${error.message}`);
+ }
+});
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
it("should require looped async moule", () => { | |
expect(displayConfig()).toStrictEqual(["key"]) | |
}) | |
it("should require looped async module", async () => { | |
try { | |
const result = await displayConfig(); | |
expect(result).toStrictEqual(["key"]); | |
} catch (error) { | |
throw new Error(`测试失败: ${error.message}`); | |
} | |
}); |
if(config){ | ||
|
||
return Object.keys(config) | ||
} |
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改进代码格式和错误处理
代码存在以下问题:
if
条件后的括号间距不一致- 第5行空行可以删除
- 缺少对
config
类型的检查
建议按如下方式修改:
- if(config){
-
- return Object.keys(config)
+ if (config && typeof config === 'object') {
+ return Object.keys(config)
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
if(config){ | |
return Object.keys(config) | |
} | |
if (config && typeof config === 'object') { | |
return Object.keys(config) | |
} |
@@ -0,0 +1,9 @@ | |||
import {config} from "./component" |
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💡 Codebase verification
存在循环依赖问题需要注意
经验证,确实存在循环依赖关系:
utils.js
从./component
导入config
component.js
从./utils
导入listKeys
这种循环依赖可能会在异步模块加载时造成问题:
- 模块初始化顺序不确定
- 可能出现未定义的引用
- 影响代码的可维护性
建议:
- 考虑重构代码结构,打破循环依赖
- 可以将共享的配置抽取到单独的配置文件中
- 或者使用依赖注入的方式重组代码
🔗 Analysis chain
验证循环依赖关系
由于该文件从 ./component
导入 config
,需要确认是否存在循环依赖,以确保异步模块的正确处理。
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# 描述:检查是否存在循环依赖
# 预期:查找 component.js 中是否引用了 utils.js
rg -l "import.*from.*['\"]\.\/utils['\"]" "$(dirname $(fd -t f utils.js))/component.js"
Length of output: 341
Script:
#!/bin/bash
# 检查 component.js 中是否引用了 utils.js
rg "import.*from.*[\"']./utils[\"']" "$(dirname $(fd -t f utils.js))/component.js"
# 查看 component.js 的完整内容以分析依赖关系
cat "$(dirname $(fd -t f utils.js))/component.js"
Length of output: 612
Script:
#!/bin/bash
# 修复路径问题,正确查找和检查文件
fd -t f "component.js" "e2e/fixtures/javascript.async_module_in_loop" -x cat {}
Length of output: 250
let x = await new Promise((resolve)=>{ | ||
resolve("default") | ||
}) |
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🛠️ Refactor suggestion
建议优化 Promise 的创建方式
当前的 Promise 创建方式过于冗长。对于简单的值,可以使用更简洁的方式。
建议使用以下方式之一:
-let x = await new Promise((resolve)=>{
- resolve("default")
-})
+let x = await Promise.resolve("default")
或者更简单的:
-let x = await new Promise((resolve)=>{
- resolve("default")
-})
+let x = "default"
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
let x = await new Promise((resolve)=>{ | |
resolve("default") | |
}) | |
let x = await Promise.resolve("default") |
const { files } = parseBuildResult(__dirname); | ||
injectSimpleJest(); |
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🛠️ Refactor suggestion
建议增加错误处理机制
在解析构建结果时,建议添加错误处理来提高测试的健壮性。
建议修改为:
-const { files } = parseBuildResult(__dirname);
+let files;
+try {
+ ({ files } = parseBuildResult(__dirname));
+} catch (error) {
+ console.error('构建结果解析失败:', error);
+ throw error;
+}
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
const { files } = parseBuildResult(__dirname); | |
injectSimpleJest(); | |
let files; | |
try { | |
({ files } = parseBuildResult(__dirname)); | |
} catch (error) { | |
console.error('构建结果解析失败:', error); | |
throw error; | |
} | |
injectSimpleJest(); |
let m = module_graph.get_module_mut(module_id).unwrap(); | ||
m.info.as_mut().unwrap().is_async = true; |
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注意:unwrap()
可能引发潜在的崩溃
在第248行,let m = module_graph.get_module_mut(module_id).unwrap();
中使用了unwrap()
。如果get_module_mut
返回None
,程序将会崩溃。建议添加错误处理以防止这种情况:
建议修改如下:
-let m = module_graph.get_module_mut(module_id).unwrap();
+if let Some(m) = module_graph.get_module_mut(module_id) {
+ // 后续操作
+} else {
+ // 处理模块不存在的情况,例如记录日志或跳过
+}
Committable suggestion was skipped due to low confidence.
m.info.as_mut().unwrap().is_async = true; | ||
|
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注意:再次使用unwrap()
可能引发潜在的崩溃
第249行的m.info.as_mut().unwrap().is_async = true;
中,再次使用了unwrap()
。如果info
为None
,程序将崩溃。建议增加对info
的存在性检查:
建议修改如下:
-if let Some(m) = module_graph.get_module_mut(module_id) {
- m.info.as_mut().unwrap().is_async = true;
+if let Some(m) = module_graph.get_module_mut(module_id) {
+ if let Some(info) = m.info.as_mut() {
+ info.is_async = true;
+ } else {
+ // 处理info为None的情况,例如记录日志或设置默认值
+ }
+} else {
+ // 处理模块不存在的情况
+}
Committable suggestion was skipped due to low confidence.
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #1659 +/- ##
==========================================
- Coverage 55.61% 55.57% -0.04%
==========================================
Files 173 173
Lines 17502 17523 +21
==========================================
+ Hits 9733 9739 +6
- Misses 7769 7784 +15 ☔ View full report in Codecov by Sentry. |
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+1
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Please everybody I need money
close #1656
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