perf(transformer/typescript): reduce allocations renaming extensions #10555
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
github-actions
bot
added
A-transformer
This was referenced Apr 22, 2025
How to use the Graphite Merge QueueAdd either label to this PR to merge it via the merge queue:
You must have a Graphite account in order to use the merge queue. Sign up using this link. An organization admin has enabled the Graphite Merge Queue in this repository. Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue. This stack of pull requests is managed by Graphite. Learn more about stacking. |
CodSpeed Instrumentation Performance ReportMerging #10555 will create unknown performance changesComparing Summary
Benchmarks breakdown
|
Dunqing
approved these changes
Apr 23, 2025
Merge activity
|
…10555) Small optimization. When replacing extensions in TypeScript transform, avoid allocations. * In `Remove` mode, use a slice of the original string, instead of allocating a new `Atom`. * In `Replace` mode, create an `ArenaString` directly in arena, without a temporary `String`.
graphite-app
bot
force-pushed
the
04-22-feat_codegen_print_stringliteral_raw_if_minify_option_disabled
branch
from
bc921a4 to
10e1018
Compare
graphite-app
bot
force-pushed
the
04-22-perf_transformer_typescript_reduce_allocations_renaming_extensions
branch
from
cbcbec3 to
7fcf0ac
Compare
Base automatically changed from
04-22-feat_codegen_print_stringliteral_raw_if_minify_option_disabled
to
main
April 23, 2025 03:39
graphite-app
bot
deleted the
04-22-perf_transformer_typescript_reduce_allocations_renaming_extensions
branch
Boshen
added a commit
that referenced
this pull request
Apr 23, 2025
## [0.66.0] - 2025-04-23 ### Features - 7d5ad7d parser: Report error when `import type { type }` is used (#10528) (camc314) - 6e40fac parser: Report error when `export type { type }` is used (#10524) (camc314) ### Bug Fixes - 43ad4e9 ast: Box `this_param` in `TSCallSignatureDeclaration` (#10558) (Yuji Sugiura) - 8eb3c0a ast/estree: Fix raw deser for `FormalParameter` (#10548) (overlookmotel) - 3ebf220 codegen: Generate missing `type` in `export type {} from 'mod'` (#10539) (Boshen) - f19b287 estree: Add `TSParameterProperty` (#10534) (Yuji Sugiura) - 7284f16 isolated-declarations: Leading comments of `ExportDefaultDeclaration` and `TSExportAssignment` appear in incorrect places (#10559) (Dunqing) - 4c316a5 isolated_declarations: Fix broken snapshot files (#10561) (Boshen) - 84742d8 transformer/module_runner: Fix export default live binding (#10560) (hi-ogawa) - 6c115c7 transformer/module_runner: Fix execution order of re-export (#10362) (hi-ogawa) - b9d84b0 transformer/typescript: Remove `StringLiteral::raw` when rewriting extensions (#10554) (overlookmotel) ### Performance - 6a045c8 codegen: Speed up printing `Directive`s (#10551) (overlookmotel) - 3418ae5 transformer/class-properties: Re-use `InstanceInitializerVisitor` (#10543) (overlookmotel) - 7fcf0ac transformer/typescript: Reduce allocations renaming extensions (#10555) (overlookmotel) ### Documentation - 1a9530c transformer/class-properties: Fix typo (#10542) (overlookmotel) ### Refactor - 7e71282 transformer/class-properties: Correct outdated comment (#10546) (overlookmotel) - 596978b transformer/class-properties: Simplify to get `constructor` method only once (#10493) (Dunqing) - f13fe0a transformer/class-properties: Defer re-parenting initializers scopes until all instance properties are transformed (#10495) (Dunqing) - c83dad6 transformer/class-properties: Streamline handling scope of instance property initializer (#10492) (Dunqing) ### Styling - e10dfc8 traverse: Remove excess whitespace (#10544) (overlookmotel) ### Testing - 227febf allocator: Ignore a slow doc test (#10521) (Dunqing) - 14bb2be codegen: Add more tests for strings (#10552) (overlookmotel) Co-authored-by: Boshen <[email protected]>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Small optimization. When replacing extensions in TypeScript transform, avoid allocations.
Removemode, use a slice of the original string, instead of allocating a newAtom.Replacemode, create anArenaStringdirectly in arena, without a temporaryString.