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refact: remove generate cache hash #992

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merged 4 commits into from
Mar 27, 2024
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@xusd320 xusd320 commented Mar 27, 2024

  1. 移除 generate 阶段的 cache_hash, 该参数没有目前无意义;hmr 阶段用的 last_cache_hash 语义不准确,该参数表示 watcher 监听到的代码文件变更,没有任何 cache 概念,last_cache_hash 重命名为 last_snapshot_hash;
  2. normal chunks generate 直接用 rayon par_iter 实现并行,不需要 spawn 及创建 channel。

Summary by CodeRabbit

Summary by CodeRabbit

  • Refactor
    • Removed cache_hash parameter from several functions across the system, affecting caching logic.
    • Renamed variables related to cache hashing for clarity and consistency.
    • Enhanced chunk file generation process with parallel processing for improved performance.

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coderabbitai bot commented Mar 27, 2024

Walkthrough

The recent modifications streamline the handling of cache hashes across the Mako framework, particularly impacting JavaScript chunk rendering and development processes. By removing the cache_hash parameter and introducing hmr_hash and snapshot_hash for better clarity and efficiency, the updates aim to enhance performance and simplify the caching logic. Additionally, the switch to Rayon for parallel processing in chunk file generation signifies a significant improvement in execution speed.

Changes

Files Change Summary
.../chunk_pot.rs, .../chunk_pot/ast_impl.rs, .../chunk_pot/str_impl.rs Removed cache_hash parameter and adjusted function signatures. Added hmr_hash in str_impl.rs.
.../dev.rs Renamed last_cache_hash to snapshot_hash; updated related functions for consistency.
.../generate.rs, .../generate_chunks.rs Removed cache_hash parameter, introduced Rayon for parallel processing, and updated variable names.

🐇✨
In the land of code and byte,
Changes swift, take flight tonight.
No more hashes to confuse,
With Rayon's speed, we can't lose.
🌟🚀📦
Through the fields of parallel might,
Mako leaps, into the light.


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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between dde5c41 and e53eb0b.
Files selected for processing (6)
  • crates/mako/src/chunk_pot.rs (2 hunks)
  • crates/mako/src/chunk_pot/ast_impl.rs (1 hunks)
  • crates/mako/src/chunk_pot/str_impl.rs (1 hunks)
  • crates/mako/src/dev.rs (5 hunks)
  • crates/mako/src/generate.rs (6 hunks)
  • crates/mako/src/generate_chunks.rs (7 hunks)
Additional comments: 9
crates/mako/src/chunk_pot.rs (1)
  • 106-116: The changes in the to_entry_chunk_files method, specifically the removal of the cache_hash parameter and the introduction of hmr_hash in the render_entry_js_chunk calls, align well with the PR objectives. This simplifies the caching logic and introduces a more relevant parameter for handling hot module replacement hashes.
crates/mako/src/chunk_pot/str_impl.rs (1)
  • 25-30: > 📝 NOTE

This review was outside the diff hunks, and no overlapping diff hunk was found. Original lines [1-1]

The modifications in the render_entry_js_chunk function, including the removal of the _cache_hash parameter and the addition of the hmr_hash parameter, are consistent with the PR's goals of simplifying caching logic and enhancing hot module replacement hash handling. These changes are well-implemented.

crates/mako/src/generate_chunks.rs (2)
  • 9-9: The introduction of Rayon's parallel iterator (par_iter) for processing chunks and the removal of the manual threading and channel-based logic represent a significant improvement in performance and code simplicity. This change aligns well with the PR's objectives of optimizing chunk generation.
  • 57-57: The removal of the cache_hash parameter from generate_chunk_files and related functions, and the focused use of hmr_hash, simplifies the caching logic and aligns with the PR's objectives of enhancing the handling of hot module replacement hashes. This change is well-implemented and improves the clarity and efficiency of the code.
crates/mako/src/chunk_pot/ast_impl.rs (1)
  • 172-177: > 📝 NOTE

This review was outside the diff hunks, and no overlapping diff hunk was found. Original lines [1-1]

The modifications in the render_entry_js_chunk function, including the removal of the _cache_hash parameter, are consistent with the PR's goals of simplifying caching logic. These changes are well-implemented.

crates/mako/src/dev.rs (1)
  • 178-178: The renaming of last_cache_hash to snapshot_hash throughout the file improves semantic clarity and aligns with the PR's objectives of enhancing the codebase's readability and accuracy in naming. This change is correctly implemented and enhances the understanding of the variable's purpose.
crates/mako/src/generate.rs (3)
  • 166-166: The removal of the cache_hash parameter in the generate_chunk_files method aligns with the PR's objective to simplify caching mechanisms. This change should streamline the function's interface but requires verification that all calls to this method have been updated accordingly.
Verification successful

The verification process did not find any remaining references to the generate_chunk_files method with the old signature, indicating that all calls to this method have been updated accordingly in the codebase.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Search for any remaining references to generate_chunk_files with the old signature.
ast-grep --lang rust --pattern $'generate_chunk_files($_, $_)'

Length of output: 63

* 205-211: > 📝 **NOTE** > This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [208-223]

The update in emit_dev_chunks to remove the cache_hash parameter and adjust related logic is consistent with the PR's objectives. However, it's important to ensure that the introduction of hmr_hash and its usage here are correctly implemented and that all references to this method are updated.

  • 288-310: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [265-390]

Renaming last_cache_hash to last_snapshot_hash in generate_hot_update_chunks and adjusting calculations accordingly is a positive change for clarity. It's crucial to verify that this renaming does not affect other parts of the codebase where last_cache_hash might have been used.

Verification successful

The search for any remaining references to last_cache_hash did not yield any results, suggesting that the renaming to last_snapshot_hash in the generate_hot_update_chunks method has been handled correctly without affecting other parts of the codebase.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Search for any remaining references to last_cache_hash to ensure they've been updated.
ast-grep --lang rust --pattern $'last_cache_hash'

Length of output: 48

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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between e53eb0b and 4c23f5e.
Files selected for processing (1)
  • crates/mako/src/generate_chunks.rs (6 hunks)
Files skipped from review as they are similar to previous changes (1)
  • crates/mako/src/generate_chunks.rs

@xusd320 xusd320 merged commit 387a301 into master Mar 27, 2024
8 checks passed
@delete-merged-branch delete-merged-branch bot deleted the refact/remove-generate-cache-hash branch March 27, 2024 06:02
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2 participants