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TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
https://www.typescriptlang.org
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TS Server fatal error: Cannot read property 'flags' of undefined #38695

Closed fesnavarro closed 4 years ago

fesnavarro commented 4 years ago

Issue Type: Bug

TypeScript Version: 4.0.0-dev.20200519 Steps to reproduce crash 1. 2. 3. TS Server Error Stack

TypeError: Cannot read property 'flags' of undefined
    at getPropertyOfObjectType (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:44064:22)
    at getPropertyOfType (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:44664:24)
    at getExternalModuleMember (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37151:46)
    at getTargetOfImportSpecifier (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37235:28)
    at getTargetOfAliasDeclaration (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37293:28)
    at resolveAlias (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37332:30)
    at getSymbol (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:36002:38)
    at resolveNameHelper (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:36275:34)
    at resolveName (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:36259:20)
    at resolveEntityName (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37482:42)
    at getTargetOfAliasLikeExpression (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37264:29)
    at getTargetOfExportAssignment (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37253:28)
    at getTargetOfAliasDeclaration (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37298:28)
    at resolveAlias (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37332:30)
    at resolveSymbol (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37322:67)
    at resolveExternalModuleSymbol (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37713:36)
    at getTargetOfNamespaceExportDeclaration (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37240:28)
    at getTargetOfAliasDeclaration (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37300:28)
    at resolveAlias (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37332:30)
    at resolveSymbol (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:37322:67)
    at mergeSymbol (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:35790:42)
    at /home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:35903:47
    at Map.forEach (<anonymous>)
    at mergeSymbolTable (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:35901:20)
    at mergeModuleAugmentation (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:35917:17)
    at initializeTypeChecker (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:68280:25)
    at Object.createTypeChecker (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:35624:9)
    at Object.getTypeChecker (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:100963:79)
    at synchronizeHostData (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:139263:21)
    at Object.getProgram (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:139345:13)
    at ConfiguredProject.Project.updateGraphWorker (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:143836:53)
    at ConfiguredProject.Project.updateGraph (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:143779:42)
    at ConfiguredProject.updateGraph (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:144573:63)
    at ProjectService.createLoadAndUpdateConfiguredProject (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:146226:25)
    at ProjectService.assignProjectToOpenedScriptInfo (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:147107:44)
    at /home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:147426:97
    at Object.flatMap (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:482:25)
    at ProjectService.applyChangesInOpenFiles (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:147426:41)
    at Session.handlers.ts.createMapFromTemplate._a.<computed> (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:148289:46)
    at /home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:150052:88
    at IOSession.Session.executeWithRequestId (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:150043:28)
    at IOSession.Session.executeCommand (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:150052:33)
    at IOSession.Session.onMessage (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:150076:35)
    at Interface.<anonymous> (/home/fesnavarro/.vscode/extensions/ms-vscode.vscode-typescript-next-4.0.20200519/node_modules/typescript/lib/tsserver.js:151392:27)
    at Interface.emit (events.js:203:13)
    at Interface._onLine (readline.js:316:10)
    at Interface._normalWrite (readline.js:461:12)
    at Socket.ondata (readline.js:172:10)
    at Socket.emit (events.js:203:13)
    at addChunk (_stream_readable.js:295:12)
    at readableAddChunk (_stream_readable.js:276:11)
    at Socket.Readable.push (_stream_readable.js:210:10)
    at Pipe.onStreamRead (internal/stream_base_commons.js:166:17)

VS Code version: Code 1.45.1 (5763d909d5f12fe19f215cbfdd29a91c0fa9208a, 2020-05-14T08:27:22.494Z) OS version: Linux x64 5.3.0-51-generic

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gpu_compositing: enabled
multiple_raster_threads: enabled_on
oop_rasterization: disabled_off
protected_video_decode: unavailable_off
rasterization: disabled_software
skia_renderer: disabled_off_ok
video_decode: unavailable_off
viz_display_compositor: enabled_on
viz_hit_test_surface_layer: disabled_off_ok
webgl: enabled
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mjbvz commented 4 years ago

Seems like the same error as #37165

@fesnavarro Can you reliably trigger this issue?

fesnavarro commented 4 years ago

I changed my vscode version to old 1.39 than worked.

mjbvz commented 4 years ago

@fesnavarro That's good to know but it doesn't help us fix the issue. Can you share the code that causes this?