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WalkthroughAdds a new Node-fetch-specific patch to modify isAbortSignal behavior, and significantly extends the bundler’s patching engine to handle JS/TS targets, export/async propagation, function vs const forms, arrow/function wrappers, argument handling, and loader selection. Changes
Sequence Diagram(s)sequenceDiagram
participant Caller
participant NodeFetch_isAbortSignal as node-fetch:isAbortSignal (patched)
participant OriginalFn as __agentuity_isAbortSignal (original)
Caller->>NodeFetch_isAbortSignal: isAbortSignal(arg)
NodeFetch_isAbortSignal->>OriginalFn: call with _args
OriginalFn-->>NodeFetch_isAbortSignal: result
alt After hook logic
NodeFetch_isAbortSignal-->>Caller: true if result truthy or arg constructor.name==='AbortSignal'
else
NodeFetch_isAbortSignal-->>Caller: original result
end
sequenceDiagram
participant Patcher as Bundler Patcher
participant Source as Source File (.js/.ts)
participant Wrapper as Generated Wrapper
participant Loader as esbuild Loader
Patcher->>Source: Detect function or const assignment
Patcher->>Source: Identify export/async + file type (JS/TS)
Patcher->>Wrapper: Generate JS arrow or TS function wrapper
Patcher->>Wrapper: Wire Before/After and call __agentuity_<fn>(..._args)
Patcher->>Loader: Choose LoaderJS or LoaderTS
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Poem
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Actionable comments posted: 3
🧹 Nitpick comments (3)
internal/bundler/patch.go (2)
104-104: Consider usingpath.Ext()for more robust file extension checking.Using
strings.HasSuffixfor file extension checking could match unintended patterns (e.g., "myfile.notjs" would not match, but "myfilejs" without a dot would). Consider usingpath.Ext()for more reliable extension detection.-isJS := strings.HasSuffix(args.Path, ".js") +isJS := path.Ext(args.Path) == ".js"
108-116: Consider supporting other function declaration patterns.The current implementation only handles
functiondeclarations andconstdeclarations. Modern JavaScript/TypeScript also commonly useslet,var, and other patterns for function declarations. Consider expanding support for these patterns.Would you like me to help implement support for additional function declaration patterns like
let,var, or class methods?internal/bundler/node-fetch.go (1)
8-14: Consider adding error handling for edge cases.The patch assumes
_args[0]exists and has a constructor property. Consider adding null/undefined checks to prevent potential runtime errors.After: `if (result) { return true; } -if (_args[0] && _args[0].constructor.name === 'AbortSignal') { +if (_args && _args[0] && typeof _args[0] === 'object' && _args[0].constructor && _args[0].constructor.name === 'AbortSignal') { return true; } `,
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📒 Files selected for processing (2)
internal/bundler/node-fetch.go(1 hunks)internal/bundler/patch.go(2 hunks)
⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)
- GitHub Check: Build and Test (macos-latest)
- GitHub Check: Analyze (go)
🔇 Additional comments (2)
internal/bundler/patch.go (1)
173-176: LGTM! Good language-specific loader selection.The loader selection logic correctly differentiates between JS and TS files, ensuring proper parsing and transformation.
internal/bundler/node-fetch.go (1)
4-17: Confirmsrc/utils/isexists in your target node-fetch versionsThe patch in internal/bundler/node-fetch.go uses
Filename: "src/utils/is",but node-fetch typically stores this code in
src/utils/is.js. Sincenode-fetchisn’t installed locally in your repo, please double-check against the versions you bundle (e.g. v2.x, v3.x) and ensure the path and extension are correct.Points to verify:
- internal/bundler/node-fetch.go
- Does your node-fetch module actually include
src/utils/is(no extension)?- If the file is
src/utils/is.js(or.mjs), update theFilenamefield accordingly.
| After: `if (result) { return true; } | ||
| if (_args[0] && _args[0].constructor.name === 'AbortSignal') { | ||
| return true; | ||
| } | ||
| `, |
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🛠️ Refactor suggestion
Consider defensive programming for constructor name check.
The constructor.name property can be minified or altered in production builds, making this check potentially unreliable. Consider adding additional checks or using instanceof if the AbortSignal class is available.
After: `if (result) { return true; }
-if (_args[0] && _args[0].constructor.name === 'AbortSignal') {
+if (_args[0] && (_args[0].constructor.name === 'AbortSignal' || (typeof AbortSignal !== 'undefined' && _args[0] instanceof AbortSignal))) {
return true;
}
`,📝 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.
| After: `if (result) { return true; } | |
| if (_args[0] && _args[0].constructor.name === 'AbortSignal') { | |
| return true; | |
| } | |
| `, | |
| After: `if (result) { return true; } | |
| if (_args[0] && (_args[0].constructor.name === 'AbortSignal' || (typeof AbortSignal !== 'undefined' && _args[0] instanceof AbortSignal))) { | |
| return true; | |
| } | |
| `, |
🤖 Prompt for AI Agents
In internal/bundler/node-fetch.go around lines 9 to 13, the current check uses
_args[0].constructor.name === 'AbortSignal' which can break when names are
minified; replace it with a defensive sequence: first verify _args[0] is an
object, then if (typeof AbortSignal !== 'undefined' && _args[0] instanceof
AbortSignal) return true, otherwise fall back to duck-typing (e.g., check for
properties/methods like 'aborted' in _args[0] and typeof
_args[0].addEventListener === 'function') to reliably detect an AbortSignal
without relying on constructor.name.
| if isExport { | ||
| fnprefix += "export " + fnprefix |
There was a problem hiding this comment.
Fix incorrect string concatenation in export prefix.
The export prefix is being concatenated incorrectly. The current code produces "export async " when it should produce "export async ". This results in duplicating the async keyword.
-if isExport {
- fnprefix += "export " + fnprefix
-}
+if isExport {
+ fnprefix = "export " + fnprefix
+}📝 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 isExport { | |
| fnprefix += "export " + fnprefix | |
| if isExport { | |
| fnprefix = "export " + fnprefix | |
| } |
🤖 Prompt for AI Agents
In internal/bundler/patch.go around lines 135 to 136, the code incorrectly
appends the current fnprefix to itself when adding the export keyword (fnprefix
+= "export " + fnprefix), causing duplication; replace that concatenation with a
simple prepend so that fnprefix is set to "export " + fnprefix (i.e., assign
rather than append) so the export prefix is added exactly once.
| if isJS { | ||
| suffix.WriteString(fnprefix + fnname + "() => {\n") | ||
| suffix.WriteString("let args = arguments;\n") |
There was a problem hiding this comment.
Fix malformed arrow function syntax for JS targets.
The generated arrow function syntax is incorrect. Arrow functions should be declared as const fnname = () => {}, not function fnname() => {}.
-if isJS {
- suffix.WriteString(fnprefix + fnname + "() => {\n")
- suffix.WriteString("let args = arguments;\n")
+if isJS {
+ suffix.WriteString(fnprefix + fnname + "(...args) => {\n")Also note that arrow functions don't have their own arguments object. The args parameter should be used directly.
📝 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 isJS { | |
| suffix.WriteString(fnprefix + fnname + "() => {\n") | |
| suffix.WriteString("let args = arguments;\n") | |
| if isJS { | |
| suffix.WriteString(fnprefix + fnname + "(...args) => {\n") | |
| } |
🤖 Prompt for AI Agents
In internal/bundler/patch.go around lines 139 to 141, the generated arrow
function syntax is malformed and incorrectly uses arguments; replace the current
output that writes fnprefix + fnname + "() => {" and the subsequent "let args =
arguments;" with a proper arrow function declaration that captures parameters,
e.g. write "const <fnname> = (...args) => {" for JS targets and remove any use
of the legacy arguments object so the code uses the args parameter directly.
1 participant
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