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Do not infer yield* type from contextual TReturn - #58621
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Ron Buckton (rbuckton)
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Andrew Branch (andrewbranch) and Wesley Wigham (weswigham)May 22, 2024 19:31
Ron Buckton (rbuckton)
commented
May 22, 2024
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TypeScript Bot (@typescript-bot) perf test |
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TypeScript Bot (typescript-bot)
commented
May 22, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the user tests comparing There were infrastructure failures potentially unrelated to your change:
Otherwise... Everything looks good! |
TypeScript Bot (typescript-bot)
commented
May 22, 2024
Contributor
Hey Ron Buckton (@rbuckton), the results of running the DT tests are ready. Everything looks the same! |
TypeScript Bot (typescript-bot)
commented
May 22, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the user tests comparing Everything looks good! |
TypeScript Bot (typescript-bot)
commented
May 22, 2024
Contributor
Ron Buckton (@rbuckton) Here they are:tscComparison Report - baseline..pr
System info unknown Hosts
Scenarios
tsserverComparison Report - baseline..pr
System info unknown Hosts
Scenarios
startupComparison Report - baseline..pr
System info unknown Hosts
Scenarios
Developer Information: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
yield* type from contextual TReturnTypeScript Bot (typescript-bot)
commented
May 22, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the top 200 repos comparing Something interesting changed - please have a look. DetailsServer exited prematurely with code unknown and signal SIGABRTAffected reposcalcom/cal.comRaw error text:RepoResults7/calcom.cal.com.rawError.txt in the artifact folderReplay commands: RepoResults7/calcom.cal.com.replay.txt in the artifact folderLast few requests{"seq":89,"type":"request","command":"navto","arguments":{"searchValue":"a1R","maxResultCount":256}}
{"seq":90,"type":"request","command":"updateOpen","arguments":{"changedFiles":[{"fileName":"@PROJECT_ROOT@/packages/trpc/index.ts","textChanges":[{"newText":" //comment","start":{"line":1,"offset":26},"end":{"line":1,"offset":26}}]}],"closedFiles":[],"openFiles":[]}}
{"seq":91,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":["@PROJECT_ROOT@/packages/types/Credential.d.ts"],"openFiles":[]}}
{"seq":92,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":[],"openFiles":[{"file":"@PROJECT_ROOT@/packages/prisma/seed-utils.ts","projectRootPath":"@PROJECT_ROOT@"}]}}
Repro steps#!/bin/bash
git clone https://github.com/calcom/cal.com --recurse-submodules
git -C "./cal.com" reset --hard 26bd02bd9409123f50f3501471738da66554f558
yarn --cwd "/mnt/ts_downloads/base/cal.com" install --no-immutable --mode=skip-build
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/161860/artifacts?artifactName=RepoResults7&api-version=7.0"| jq -r ".resource.downloadUrl")
wget -O RepoResults7.zip "$downloadUrl"
unzip -p RepoResults7.zip RepoResults7/calcom.cal.com.replay.txt > calcom.cal.com.replay.txt
npm install --no-save @typescript/server-replayTo run the repro: # `npx tsreplay --help` to learn about helpful switches for debugging, logging, etc.
npx tsreplay ./cal.com ./calcom.cal.com.replay.txt <PATH_TO_tsserver.js>Server exited prematurely with code unknown and signal SIGABRTAffected reposelastic/kibanaRaw error text:RepoResults14/elastic.kibana.rawError.txt in the artifact folderReplay commands: RepoResults14/elastic.kibana.replay.txt in the artifact folderLast few requests{"seq":712,"type":"request","command":"completionInfo","arguments":{"file":"@PROJECT_ROOT@/x-pack/plugins/security_solution_serverless/public/types.ts","line":19,"offset":29,"includeExternalModuleExports":false,"triggerKind":1}}
{"seq":713,"type":"request","command":"references","arguments":{"file":"@PROJECT_ROOT@/x-pack/plugins/security_solution_serverless/public/types.ts","line":22,"offset":29}}
{"seq":714,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":["@PROJECT_ROOT@/x-pack/test/api_integration/services/slo.ts"],"openFiles":[]}}
{"seq":715,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":[],"openFiles":[{"file":"@PROJECT_ROOT@/x-pack/plugins/security/server/plugin.test.ts","projectRootPath":"@PROJECT_ROOT@"}]}}
Repro steps#!/bin/bash
git clone https://github.com/elastic/kibana --recurse-submodules
git -C "./kibana" reset --hard 42afaa38a2bcd0fbbc331f3d391be81bbc1578e0
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/161860/artifacts?artifactName=RepoResults14&api-version=7.0"| jq -r ".resource.downloadUrl")
wget -O RepoResults14.zip "$downloadUrl"
unzip -p RepoResults14.zip RepoResults14/elastic.kibana.replay.txt > elastic.kibana.replay.txt
npm install --no-save @typescript/server-replayTo run the repro: # `npx tsreplay --help` to learn about helpful switches for debugging, logging, etc.
npx tsreplay ./kibana ./elastic.kibana.replay.txt <PATH_TO_tsserver.js> |
TypeScript Bot (typescript-bot)
commented
May 22, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the top 400 repos comparing Everything looks good! |
Ron Buckton (rbuckton)
commented
May 23, 2024
ContributorAuthor
It doesn't seem like the crash is related? If I run the repro locally I have the same result with or without this change. I'll try running it again in case it was a quirk. TypeScript Bot (@typescript-bot) test tsserver top100 |
Contributor
Ron Buckton (rbuckton)
commented
May 23, 2024
ContributorAuthor
Temporarily reverting change to validate crash. TypeScript Bot (@typescript-bot) test tsserver top100 |
Contributor
Jake Bailey (jakebailey)
commented
May 23, 2024
Member
The server tests have issues; I don't think they properly detect old/new crashes like the tsc tests yet. |
TypeScript Bot (typescript-bot)
commented
May 23, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the user tests comparing There were infrastructure failures potentially unrelated to your change:
Otherwise... Everything looks good! |
TypeScript Bot (typescript-bot)
commented
May 23, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the top 200 repos comparing Something interesting changed - please have a look. Details
|
TypeScript Bot (typescript-bot)
commented
May 23, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the top 200 repos comparing Something interesting changed - please have a look. DetailsServer exited prematurely with code unknown and signal SIGABRTAffected reposbackstage/backstageRaw error text:RepoResults8/backstage.backstage.rawError.txt in the artifact folderReplay commands: RepoResults8/backstage.backstage.replay.txt in the artifact folderLast few requests{"seq":109,"type":"request","command":"definitionAndBoundSpan","arguments":{"file":"@PROJECT_ROOT@/scripts/assemble-manifest.js","line":62,"offset":51}}
{"seq":110,"type":"request","command":"definitionAndBoundSpan","arguments":{"file":"@PROJECT_ROOT@/scripts/assemble-manifest.js","line":76,"offset":1}}
{"seq":111,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":["@PROJECT_ROOT@/scripts/prepare-release.js"],"openFiles":[]}}
{"seq":112,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":[],"openFiles":[{"file":"@PROJECT_ROOT@/plugins/search-backend-module-catalog/config.d.ts","projectRootPath":"@PROJECT_ROOT@"}]}}
Repro steps#!/bin/bash
git clone https://github.com/backstage/backstage --recurse-submodules
git -C "./backstage" reset --hard 024b530575d5d9d4d28d53db56d245d81a8c413c
# Install packages (exact steps are below, but it might be easier to follow the repo readme)
yarn --cwd "/mnt/ts_downloads/base/backstage" install --no-immutable --mode=skip-build
yarn --cwd "/mnt/ts_downloads/base/backstage/storybook" install --no-immutable --mode=skip-build
yarn --cwd "/mnt/ts_downloads/base/backstage/microsite" install --no-immutable --mode=skip-build
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/161881/artifacts?artifactName=RepoResults8&api-version=7.0"| jq -r ".resource.downloadUrl")
wget -O RepoResults8.zip "$downloadUrl"
unzip -p RepoResults8.zip RepoResults8/backstage.backstage.replay.txt > backstage.backstage.replay.txt
npm install --no-save @typescript/server-replayTo run the repro: # `npx tsreplay --help` to learn about helpful switches for debugging, logging, etc.
npx tsreplay ./backstage ./backstage.backstage.replay.txt <PATH_TO_tsserver.js>Server exited prematurely with code unknown and signal SIGABRTAffected reposcalcom/cal.comRaw error text:RepoResults7/calcom.cal.com.rawError.txt in the artifact folderReplay commands: RepoResults7/calcom.cal.com.replay.txt in the artifact folderLast few requests{"seq":89,"type":"request","command":"navto","arguments":{"searchValue":"a1R","maxResultCount":256}}
{"seq":90,"type":"request","command":"updateOpen","arguments":{"changedFiles":[{"fileName":"@PROJECT_ROOT@/packages/trpc/index.ts","textChanges":[{"newText":" //comment","start":{"line":1,"offset":26},"end":{"line":1,"offset":26}}]}],"closedFiles":[],"openFiles":[]}}
{"seq":91,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":["@PROJECT_ROOT@/packages/types/Credential.d.ts"],"openFiles":[]}}
{"seq":92,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":[],"openFiles":[{"file":"@PROJECT_ROOT@/packages/prisma/seed-utils.ts","projectRootPath":"@PROJECT_ROOT@"}]}}
Repro steps#!/bin/bash
git clone https://github.com/calcom/cal.com --recurse-submodules
git -C "./cal.com" reset --hard 01933e5c15ec62949a6d74942a7b75a73e3da76b
yarn --cwd "/mnt/ts_downloads/base/cal.com" install --no-immutable --mode=skip-build
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/161881/artifacts?artifactName=RepoResults7&api-version=7.0"| jq -r ".resource.downloadUrl")
wget -O RepoResults7.zip "$downloadUrl"
unzip -p RepoResults7.zip RepoResults7/calcom.cal.com.replay.txt > calcom.cal.com.replay.txt
npm install --no-save @typescript/server-replayTo run the repro: # `npx tsreplay --help` to learn about helpful switches for debugging, logging, etc.
npx tsreplay ./cal.com ./calcom.cal.com.replay.txt <PATH_TO_tsserver.js>Server exited prematurely with code unknown and signal SIGABRTAffected reposelastic/kibanaRaw error text:RepoResults14/elastic.kibana.rawError.txt in the artifact folderReplay commands: RepoResults14/elastic.kibana.replay.txt in the artifact folderLast few requests{"seq":2070,"type":"request","command":"completionInfo","arguments":{"file":"@PROJECT_ROOT@/x-pack/plugins/serverless_search/public/application/elasticsearch.tsx","line":15,"offset":40,"includeExternalModuleExports":false,"triggerKind":1}}
{"seq":2071,"type":"request","command":"completionEntryDetails","arguments":{"file":"@PROJECT_ROOT@/x-pack/plugins/serverless_search/public/application/elasticsearch.tsx","line":15,"offset":40,"entryNames":["@kbn/shared-ux-router"]}}
{"seq":2072,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":["@PROJECT_ROOT@/x-pack/test/alerting_api_integration/common/lib/task_manager_utils.ts"],"openFiles":[]}}
{"seq":2073,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":[],"openFiles":[{"file":"@PROJECT_ROOT@/x-pack/plugins/security_solution_serverless/public/navigation/management_cards.ts","projectRootPath":"@PROJECT_ROOT@"}]}}
Repro steps#!/bin/bash
git clone https://github.com/elastic/kibana --recurse-submodules
git -C "./kibana" reset --hard 2ec4ec362d21fe03d04d53181fa0a8f7da888eb5
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/161881/artifacts?artifactName=RepoResults14&api-version=7.0"| jq -r ".resource.downloadUrl")
wget -O RepoResults14.zip "$downloadUrl"
unzip -p RepoResults14.zip RepoResults14/elastic.kibana.replay.txt > elastic.kibana.replay.txt
npm install --no-save @typescript/server-replayTo run the repro: # `npx tsreplay --help` to learn about helpful switches for debugging, logging, etc.
npx tsreplay ./kibana ./elastic.kibana.replay.txt <PATH_TO_tsserver.js> |
Ron Buckton (rbuckton)
commented
May 23, 2024
ContributorAuthor
The crashes seem to be unrelated as they're still happening even after reverting the change. |
Ron Buckton (rbuckton)force-pushed
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fix57903
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May 23, 2024 17:44
282ba0f to
d6bdb1aCompareRon Buckton (rbuckton)
commented
May 29, 2024
ContributorAuthor
TypeScript Bot (@typescript-bot) test tsserver top100 |
Contributor
| : getIterationTypeOfGeneratorFunctionReturnType(IterationTypeKind.Yield, contextualReturnType, isAsyncGenerator); | ||
| if (node.asteriskToken) { | ||
| const iterationTypes = getIterationTypesOfGeneratorFunctionReturnType(contextualReturnType, isAsyncGenerator); | ||
| const yieldType = iterationTypes?.yieldType ?? silentNeverType; |
There was a problem hiding this comment.
Why do we fall back to silentNeverType?
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We need to fall back to something we do not infer from, and a generator that doesn't yield otherwise infers a T of never. silentNeverType is non-inferable, so it seemed like the correct choice.
TypeScript Bot (typescript-bot)
commented
May 29, 2024
Contributor
Ron Buckton (@rbuckton) Here are the results of running the top 200 repos comparing Something interesting changed - please have a look. DetailsServer exited prematurely with code unknown and signal SIGABRTAffected reposcalcom/cal.comRaw error text:RepoResults7/calcom.cal.com.rawError.txt in the artifact folderReplay commands: RepoResults7/calcom.cal.com.replay.txt in the artifact folderLast few requests{"seq":656,"type":"request","command":"navtree","arguments":{"file":"@PROJECT_ROOT@/packages/features/get-cal-video-reference.test.ts"}}
{"seq":657,"type":"request","command":"navbar","arguments":{"file":"@PROJECT_ROOT@/packages/features/get-cal-video-reference.test.ts"}}
{"seq":658,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":["@PROJECT_ROOT@/packages/lib/CloseCom.ts"],"openFiles":[]}}
{"seq":659,"type":"request","command":"updateOpen","arguments":{"changedFiles":[],"closedFiles":[],"openFiles":[{"file":"@PROJECT_ROOT@/packages/debugging/index.tsx","projectRootPath":"@PROJECT_ROOT@"}]}}
Repro steps#!/bin/bash
git clone https://github.com/calcom/cal.com --recurse-submodules
git -C "./cal.com" reset --hard 5f082e11f8c82478d3e0ffbb23c65e28bc1f08d4
yarn --cwd "/mnt/ts_downloads/base/cal.com" install --no-immutable --mode=skip-build
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/161974/artifacts?artifactName=RepoResults7&api-version=7.0"| jq -r ".resource.downloadUrl")
wget -O RepoResults7.zip "$downloadUrl"
unzip -p RepoResults7.zip RepoResults7/calcom.cal.com.replay.txt > calcom.cal.com.replay.txt
npm install --no-save @typescript/server-replayTo run the repro: # `npx tsreplay --help` to learn about helpful switches for debugging, logging, etc.
npx tsreplay ./cal.com ./calcom.cal.com.replay.txt <PATH_TO_tsserver.js> |
Gabriela Araujo Britto (gabritto)
approved these changes
May 29, 2024
Jonathan Skeate (skeate) added a commit
to skeate/TypeScript
that referenced
this pull request
Jun 1, 2024
* upstream/main: (37 commits) Added NoTruncation flag to completions (microsoft#58719) Clone node to remove location even when it has been modified if needed (microsoft#58706) Properly account for `this` argument in intersection apparent type caching (microsoft#58677) Fix: Include Values of Script Extensions for Unicode Property Value Expressions in Regular Expressions (microsoft#58615) In `reScanSlashToken` use `charCodeChecked` not `codePointChecked` (microsoft#58727) Shorten error spans for errors reported on constructor declarations (microsoft#58061) Mark file as skips typechecking if it contains ts-nocheck (microsoft#58593) Fixed an issue with broken `await using` declarations in `for of` loops (microsoft#56466) Do not expand type references in keyof and index access (microsoft#58715) Improve the performance of isolatedDeclarations quickfix (microsoft#58722) Unwrap `NoInfer` types when narrowing (microsoft#58292) Recover from type reuse errors by falling back to inferred type printing (microsoft#58720) Fixing self import (microsoft#58718) Enable JS emit for noCheck and noCheck for transpileModule (microsoft#58364) Revert PR 55371 (microsoft#58702) Update dependencies (microsoft#58639) Fix baselines after PR 58621 (microsoft#58705) Do not infer `yield*` type from contextual `TReturn` (microsoft#58621) `await using` normative changes (microsoft#58624) Handling statements from a known source file (microsoft#58679) ...
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This changes the contextual type we produce for the operand to
yield*so that we do not consider theTReturntype of the containing generator's return type as a source of inference since theTReturnof a generator has no bearing on the result ofyield*. Instead, we substitute the contextual type for the entireyield*expression, e.g.:At (a),
Ushould be inferred fromT(i.e.,number) sincefwill delegateyieldfromg.At (b),
UReturnshould not be inferred fromTReturn(i.e.,string) sincefdoes not delegate the return value ofg. Sincev1is untyped,UReturnis inferred asunknown.At (c),
Ushould be inferred fromT(i.e.,number) sincefwill delegateyieldfromg.At (d),
UReturnshould not be inferred fromTReturn(i.e.,string) sincefdoes not delegate the return value ofg. Sincev2has the typePoint,UReturnis inferred asPoint.Fixes#57903