Add aper-leptos #46
Add aper-leptos #46
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Caution Review failedThe pull request is closed. 📝 Walkthrough📝 WalkthroughWalkthroughThe changes introduced in this pull request primarily involve modifications to the The Additionally, the Possibly related PRs
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Actionable comments posted: 3
🧹 Outside diff range and nitpick comments (9)
examples/counter-leptos/client/src/lib.rs (2)
28-30: LGTM! Consider minor formatting improvement.The change to
state.value.watch()simplifies the state management, making the code more concise and potentially more efficient. This aligns well with the newWatchtrait imported fromaper_leptos.Consider simplifying the formatting for better readability:
- { - state.value.watch() - } + { state.value.watch() }
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39-39: Consider moving tracing initialization to a shared module.While the
init_tracing::init_tracing()call remains unchanged, it might be beneficial to move this to a shared module for better code organization and reusability across different parts of the application.Consider creating a new shared module for initialization tasks and moving the tracing initialization there. This could improve the overall structure of the application.
aper/src/data_structures/atom.rs (3)
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5-9: LGTM: Well-structured Atom definition with appropriate trait bounds.The
Atomstruct is well-defined with correct use of generics and PhantomData. The trait bounds are suitable for the implemented methods.Consider adding a brief documentation comment explaining the purpose and usage of the
Atomstruct.
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11-21: LGTM: AperSync implementation is correct and concise.The
AperSynctrait implementation forAtom<T>is well-structured. Theattachmethod properly initializes the struct, and thelistenmethod correctly delegates to the underlyingmap'slistenmethod.Consider adding error handling or documentation about potential errors in the
attachmethod, especially ifStoreHandlecreation can fail.
Improve error handling in
Atom<T>methods.The current implementation of the
getandsetmethods inAtom<T>usesexpectandunwrap, which can lead to runtime panics if deserialization or serialization fails. It's recommended to implement proper error handling to make the code more robust.Additionally, while the use of a single
Bytes::new()key suggests that thisAtom<T>is intended to store only one value, please verify if this single-key design aligns with the intended use cases across the project.🔗 Analysis chain
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23-36: Improve error handling and consider key usage in Atom implementation.The implementation of
getandsetmethods forAtom<T>is functional but has some areas for improvement:
- Error Handling: Both methods use
expectorunwrap, which can cause panics.- Key Usage: Both methods use an empty
Byteskey, which limits theAtomto storing only one value.Consider the following improvements:
Implement proper error handling:
pub fn get(&self) -> Result<T, Box<dyn std::error::Error>> { self.map .get(&Bytes::new()) .map(|bytes| bincode::deserialize(&bytes)) .transpose()? .ok_or_else(|| Box::new(std::io::Error::new(std::io::ErrorKind::NotFound, "Value not found"))) } pub fn set(&mut self, value: T) -> Result<(), Box<dyn std::error::Error>> { let serialized = bincode::serialize(&value)?; self.map.set(Bytes::new(), Bytes::from(serialized)); Ok(()) }If multiple values storage is intended, consider parameterizing the key:
pub fn get(&self, key: &[u8]) -> Result<T, Box<dyn std::error::Error>> { // ... use key instead of Bytes::new() } pub fn set(&mut self, key: &[u8], value: T) -> Result<(), Box<dyn std::error::Error>> { // ... use key instead of Bytes::new() }To ensure that the current implementation of using a single empty key is intentional, please run the following script:
This will help verify if the current single-value design is sufficient for all use cases in the project.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for multiple usages of Atom that might require different keys # Test: Search for Atom usage in the codebase rg --type rust "Atom<.*>" # Test: Search for get() and set() method calls on Atom instances rg --type rust "\.get\(\s*\)" -C 2 rg --type rust "\.set\(\s*.*\)" -C 2Length of output: 25911
aper-leptos/src/lib.rs (2)
13-13: Remove unnecessary trait bounds onT.The trait bound
Defaultmay not be necessary here unless specifically required elsewhere. Also, consider if all the trait bounds are needed forTin this context, and remove any that are unnecessary to simplify usage.Consider applying this diff:
where - T: Serialize + DeserializeOwned + Default + Clone + Send + Sync + 'static, + T: Serialize + DeserializeOwned + Clone + Send + Sync + 'static,
2-2: ImportReadSignalfor completeness.Since you're now returning
ReadSignal<T>, ensure that it's imported fromleptos.Apply this diff:
use leptos::{create_signal, SignalGet, SignalSet}; +use leptos::ReadSignal;aper/src/store/iter.rs (2)
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28-38: Update Lifetimes inPeekedIteratorDefinitionWith the change to store owned values in
next_value, the lifetime parameter'ainPeekedIterator<'a>may no longer be necessary or might need adjustment. The ownedBytesandPrefixMapValuedo not require lifetime annotations.Recommendation:
Remove or Adjust Lifetime Parameters:
-struct PeekedIterator<'a> { - next_value: (&'a Bytes, &'a PrefixMapValue), +struct PeekedIterator { + next_value: (Bytes, PrefixMapValue), layer_rank: usize, - rest: BTreeMapIter<'a, Bytes, PrefixMapValue>, + rest: BTreeMapIter<'a, Bytes, PrefixMapValue>, // Adjust if necessary }Review Lifetime Annotations: Ensure that other lifetime annotations in the struct and its implementations are updated accordingly.
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95-148: Unit Tests May Need UpdatesThe unit tests use references when creating iterators. With the change to owned
next_value, verify that the tests still compile and behave as expected.Recommendation:
Update Test Iterators: Ensure that the iterators in tests are compatible with the updated
PeekedIterator.Run All Tests: Execute all unit tests to confirm they pass with the new changes.
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Review profile: CHILL
⛔ Files ignored due to path filters (2)
Cargo.lockis excluded by!**/*.lockexamples/counter-leptos/Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (8)
- Cargo.toml (1 hunks)
- aper-leptos/Cargo.toml (1 hunks)
- aper-leptos/src/lib.rs (1 hunks)
- aper/src/data_structures/atom.rs (1 hunks)
- aper/src/store/core.rs (1 hunks)
- aper/src/store/iter.rs (1 hunks)
- examples/counter-leptos/client/Cargo.toml (1 hunks)
- examples/counter-leptos/client/src/lib.rs (2 hunks)
✅ Files skipped from review due to trivial changes (1)
- aper-leptos/Cargo.toml
🔇 Additional comments (11)
Cargo.toml (1)
15-15: LGTM: Addition of aper-leptos to workspace membersThe addition of "aper-leptos" to the workspace members is consistent with the PR objective of "Add aper-leptos". This change expands the project structure to include a new module, which is likely to introduce new functionality related to the Leptos framework in the context of the Aper project.
A few points to consider:
- The formatting is consistent with the existing entries, maintaining readability.
- Ensure that the "aper-leptos" directory exists in the project structure.
- Be aware that this addition may affect the build process and dependencies for the entire workspace.
To verify the existence of the "aper-leptos" directory and its basic structure, you can run the following script:
This script will help ensure that the necessary directory and essential files for a Rust crate are present.
✅ Verification successful
Verified:
aper-leptosdirectory and essential files are presentThe
aper-leptosdirectory exists and contains bothCargo.tomlandsrc/lib.rs. This confirms that the addition to the workspace members has been correctly implemented and the new module is properly set up.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the existence and basic structure of the aper-leptos directory # Check if the aper-leptos directory exists if [ -d "aper-leptos" ]; then echo "aper-leptos directory exists" # Check for essential files for file in Cargo.toml src/lib.rs; do if [ -f "aper-leptos/$file" ]; then echo "Found $file" else echo "Missing $file" fi done else echo "aper-leptos directory does not exist" fiLength of output: 321
examples/counter-leptos/client/Cargo.toml (4)
12-12: LGTM: Addition of aper-leptos dependencyThe addition of the
aper-leptosdependency with version "0.5.0" aligns with the PR objective. The use of a local path suggests this is part of the same workspace or monorepo, which is a good practice for maintaining consistency across related packages.
13-13: LGTM: Version update for aper-websocket-clientThe version update of
aper-websocket-clientto "0.5.0" is consistent with the other aper-related dependencies. This update helps maintain version compatibility across the project.
14-14: LGTM: Version update for aper-stateroomThe version update of
aper-stateroomto "0.5.0" is in line with the other aper-related dependencies. This update ensures version consistency across the project.
12-14: Summary: Consistent dependency updates and additionThe changes in this file are well-structured and consistent:
- Added
aper-leptosdependency (v0.5.0)- Updated
aper-websocket-clientto v0.5.0- Updated
aper-stateroomto v0.5.0These updates align with the PR objective of adding aper-leptos and ensure version consistency across aper-related dependencies. The use of local paths for these dependencies suggests a well-organized workspace or monorepo structure.
examples/counter-leptos/client/src/lib.rs (2)
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1-42: Overall, the changes look good and align with the PR objective.The modifications successfully integrate aper-leptos, improving the state management approach and simplifying the code. The new
Watchmechanism provides a more direct way to handle state updates.Key improvements:
- Simplified import structure with
aper_leptos.- More efficient state watching with
state.value.watch().Consider the suggested minor improvements for even better code quality and organization.
1-1: LGTM! Verify aper-leptos dependency.The change from
aper::AperSynctoaper_leptos::{init_tracing, Watch}aligns with the PR objective of adding aper-leptos. This suggests a more tailored integration with Leptos, potentially offering improved state management.Please ensure that the
aper-leptosdependency is correctly added to theCargo.tomlfile. Run the following script to verify:aper/src/data_structures/atom.rs (1)
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1-3: LGTM: Imports are appropriate and concise.The imports are well-chosen for the implemented functionality, including necessary traits and types from the crate, bytes, and serde.
aper/src/store/core.rs (1)
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101-114: Approved: Improved concurrency with read lockThe change from
write()toread()when accessinglayersis a good improvement. It allows for better concurrency by permitting multiple threads to read thelayerssimultaneously, which is appropriate for this method that only reads data without modifying it.To ensure this change doesn't introduce any thread safety issues or potential deadlocks, please run the following verification:
This script will help identify any potential issues related to thread safety or deadlocks that might have been introduced by this change. Please review the results and make any necessary adjustments to ensure thread safety across the entire
Storeimplementation.✅ Verification successful
Verified: No thread safety issues or deadlocks introduced
The analysis confirms that while other methods still use write locks on
layers, there are no detected deadlock scenarios or public methods modifyinglayerswithout a write lock. The change to a read lock in thetop_layer_mutationsmethod appropriately enhances concurrency without compromising thread safety.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify thread safety and potential deadlocks # Test 1: Check for any write locks on `layers` in other methods echo "Checking for write locks on layers:" rg --type rust 'layers.*write\(\)' aper/src/store/ # Test 2: Look for potential deadlock scenarios echo "Checking for potential deadlock scenarios:" rg --type rust 'layers.*(?:read|write)\(\).*listeners.*lock\(\)' aper/src/store/ rg --type rust 'listeners.*lock\(\).*layers.*(?:read|write)\(\)' aper/src/store/ # Test 3: Verify that no public methods modify layers without a write lock echo "Checking for public methods that might modify layers without a write lock:" ast-grep --lang rust --pattern $'impl Store { $$$ pub fn $_($$) { $$$ $layers $$$ } $$$ }'Length of output: 1443
aper/src/store/iter.rs (2)
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12-25: AdjustOrdandPartialOrdImplementations After Ownership ChangeWith
next_valuenow owning the data, thecmpmethod in theOrdimplementation may behave differently, especially ifBytesandPrefixMapValuedo not implementOrdor if their comparison semantics differ when owned.Recommendation:
Verify Comparison Logic: Ensure that the comparison between
Bytesworks as intended. TheBytestype compares the byte sequences; confirm this meets the requirements.Implement or Derive
OrdandEqforBytesandPrefixMapValueif necessary.
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70-92: Ensure Consistency in Iteration LogicThe changes to
next_valuecould affect how the iterator processes elements. Verify that the iterator correctly handles the owned values, especially when cloning or moving them into the result vector.Recommendation:
Test with Various Data Sets: Use the provided unit tests and add more cases to cover scenarios with large data and different key/value combinations.
Check for Unintended Clones: Profile the code to identify any performance regressions due to cloning.
aper-leptos/src/lib.rs
Outdated
| fn watch(&self) -> Box<dyn Fn() -> T> { | ||
| let (signal, set_signal) = create_signal(self.get()); | ||
|
|
||
| let self_clone = self.clone(); | ||
| self.listen(move || { | ||
| set_signal.set(self_clone.get()); | ||
| true | ||
| }); | ||
|
|
||
| Box::new(move || signal.get()) | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Update the implementation to return ReadSignal<T> directly.
By returning the ReadSignal<T> from create_signal, you simplify the code and provide a more flexible interface for the consumers of the watch method.
Apply this diff to update the implementation:
fn watch(&self) -> ReadSignal<T> {
let (signal, set_signal) = create_signal(self.get());
let self_clone = self.clone();
self.listen(move || {
set_signal.set(self_clone.get());
true
});
- Box::new(move || signal.get())
+ signal
}📝 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.
| fn watch(&self) -> Box<dyn Fn() -> T> { | |
| let (signal, set_signal) = create_signal(self.get()); | |
| let self_clone = self.clone(); | |
| self.listen(move || { | |
| set_signal.set(self_clone.get()); | |
| true | |
| }); | |
| Box::new(move || signal.get()) | |
| } | |
| fn watch(&self) -> ReadSignal<T> { | |
| let (signal, set_signal) = create_signal(self.get()); | |
| let self_clone = self.clone(); | |
| self.listen(move || { | |
| set_signal.set(self_clone.get()); | |
| true | |
| }); | |
| signal | |
| } |
| pub trait Watch<T> { | ||
| fn watch(&self) -> Box<dyn Fn() -> T>; | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Consider returning ReadSignal<T> instead of Box<dyn Fn() -> T>.
Returning a ReadSignal<T> directly is more idiomatic in Leptos and allows consumers to leverage the full capabilities of signals, including reactive updates and integration with the Leptos ecosystem. This also removes the need to box a closure, improving performance and type safety.
Apply this diff to change the return type in the trait definition:
+use leptos::ReadSignal;
pub trait Watch<T> {
- fn watch(&self) -> Box<dyn Fn() -> T>;
+ fn watch(&self) -> ReadSignal<T>;
}Committable suggestion was skipped due to low confidence.
| println!("pushing... {:?}", key); | ||
| heap.push(PeekedIterator { | ||
| next_value: (&key, value), | ||
| next_value: (key, value), |
There was a problem hiding this comment.
Potential Performance Impact Due to Cloning
At line 50, the next_value is now storing owned Bytes and PrefixMapValue:
next_value: (key, value),This change shifts from borrowing references to owning the values, which could result in additional cloning of data. Since Bytes is a reference-counted byte buffer (Bytes from the bytes crate), cloning it is cheap as it involves incrementing the reference count. However, for PrefixMapValue, if it contains large data and does not implement cheap cloning, this could introduce performance overhead.
Recommendation:
-
Assess the necessity of ownership: If ownership is not required, consider retaining references to avoid unnecessary data cloning.
-
Use
Cow(Clone-on-Write): If the data might be modified later,Cowcan provide flexibility between borrowing and owning. -
Ensure Cloning is Efficient: If ownership is necessary, ensure that the
Cloneimplementations forBytesandPrefixMapValueare efficient.
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (3)
examples/counter-leptos/client/src/lib.rs (1)
22-24: LGTM! Simplified state management implementation.The direct use of
state.value.watch()streamlines the state update mechanism, eliminating the need for a separate trigger. This change improves code clarity and maintainability.Consider simplifying the formatting for better readability:
- { - state.value.watch() - } + { state.value.watch() }examples/counter-leptos/common/src/lib.rs (2)
26-29: LGTM: Method signature updated to use intent and metadata.The
applymethod has been successfully updated to use the new intent-based approach. The changes are consistent and maintain the existing functionality.However, consider adding a comment explaining the purpose of the
_metadataparameter, even if it's currently unused. This will help future developers understand its intended use.Consider adding a comment like this:
/// Apply the given intent to the Counter. /// /// # Arguments /// /// * `intent` - The CounterIntent to apply /// * `_metadata` - Additional metadata about the intent (currently unused) fn apply(&mut self, intent: &CounterIntent, _metadata: &IntentMetadata) -> Result<(), ()> { // ... existing implementation ... }
Intent-Based Approach Inconsistently Applied Across Codebase
The verification results show that while the
Counterstruct inexamples/counter-leptos/common/src/lib.rsuses the new intent-based approach withIntentMetadata, there are still multiple instances ofIntentEventbeing used in other parts of the codebase. This indicates that the intent-based system has not been uniformly implemented across all relevant components.
examples/timer/common/src/lib.rsexamples/drop-four/common/src/state.rsaper/tests/tic-tac-toe.rsaper/tests/simple-client-server.rsaper/tests/listener.rsexamples/counter/common/src/lib.rs🔗 Analysis chain
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1-42: Verify consistency of intent-based approach across the codebase.The changes in this file suggest a shift towards an intent-based approach with metadata. To ensure consistency, it would be beneficial to verify if similar changes have been applied across the codebase where the
Apertrait is implemented.Run the following script to check for consistency:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for consistent implementation of Aper trait across the codebase # Test 1: Search for Aper trait implementations echo "Aper trait implementations:" rg --type rust "impl\s+Aper\s+for" -g '!target/' # Test 2: Check apply method signatures in Aper implementations echo "\nApply method signatures in Aper implementations:" rg --type rust "fn\s+apply.*IntentMetadata" -g '!target/' # Test 3: Check for any remaining uses of IntentEvent echo "\nRemaining uses of IntentEvent:" rg --type rust "IntentEvent" -g '!target/'Length of output: 3009
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
⛔ Files ignored due to path filters (2)
Cargo.lockis excluded by!**/*.lockexamples/counter-leptos/Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (6)
- Cargo.toml (1 hunks)
- aper-leptos/Cargo.toml (1 hunks)
- aper-leptos/src/lib.rs (1 hunks)
- examples/counter-leptos/client/Cargo.toml (1 hunks)
- examples/counter-leptos/client/src/lib.rs (2 hunks)
- examples/counter-leptos/common/src/lib.rs (2 hunks)
🚧 Files skipped from review as they are similar to previous changes (4)
- Cargo.toml
- aper-leptos/Cargo.toml
- aper-leptos/src/lib.rs
- examples/counter-leptos/client/Cargo.toml
🔇 Additional comments (3)
examples/counter-leptos/client/src/lib.rs (2)
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31-31: Verify the location of theinit_tracingmodule.The AI summary suggests that the
init_tracingmodule should be moved to a shared location, but it's still present in this file. Consider moving it to a shared module if it's used across multiple components.Let's check if
init_tracingis defined in this file or imported from elsewhere:#!/bin/bash # Description: Verify the location of init_tracing module # Test 1: Check if init_tracing is defined in this file rg --type rust 'mod init_tracing' examples/counter-leptos/client/src/lib.rs # Test 2: Check if init_tracing is imported from another module rg --type rust 'use .+::init_tracing' examples/counter-leptos/client/src/lib.rsIf
init_tracingis imported from another module, consider updating the comment to reflect its current location.
2-2: LGTM! Import changes align with new state management strategy.The new import
use aper_leptos::{init_tracing, Watch};introduces the necessary components for the updated state management approach.Let's verify the removal of the old import:
examples/counter-leptos/common/src/lib.rs (1)
1-1: LGTM: Import statement updated to reflect new intent-based approach.The change from
IntentEventtoIntentMetadatain the import statement is consistent with the modifications in theapplymethod. This shift suggests a move towards a more direct intent-based approach with additional metadata support.
No description provided.