TS Server fatal error: Cannot read property 'indexOf' of undefined

[magwojtek]

Issue Type: Bug

❗️❗️❗️ Please fill in the sections below to help us diagnose the issue ❗️❗️❗️

TypeScript Version: 4.1.4

Steps to reproduce crash
1.
2.
3.

TS Server Log
❗️Server logging disabled. To help us fix crashes like this, please enable logging by setting:

"typescript.tsserver.log": "verbose"

After enabling this setting, future crash reports will include the server log.

TS Server Error Stack
Server: semantic

TypeError: Cannot read property 'indexOf' of undefined
    at Object.parsePackageName (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:39472:30)
    at ConfiguredProject.Project.enablePlugin (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:151962:24)
    at ConfiguredProject.enablePluginsWithOptions (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:152477:30)
    at ProjectService.loadConfiguredProject (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:154206:25)
    at ProjectService.createAndLoadConfiguredProject (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:154145:22)
    at ProjectService.createLoadAndUpdateConfiguredProject (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:154150:36)
    at ProjectService.assignProjectToOpenedScriptInfo (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:155055:44)
    at /snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:155395:97
    at Object.flatMap (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:513:25)
    at ProjectService.applyChangesInOpenFiles (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:155395:41)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:156413:46)
    at /snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:158286:88
    at IOSession.Session.executeWithRequestId (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:158277:28)
    at IOSession.Session.executeCommand (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:158286:33)
    at IOSession.Session.onMessage (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:158310:35)
    at Interface.<anonymous> (/snap/code/54/usr/share/code/resources/app/extensions/node_modules/typescript/lib/tsserver.js:160520:27)
    at Interface.emit (events.js:315:20)
    at Interface._onLine (readline.js:329:10)
    at Interface._normalWrite (readline.js:474:12)
    at Socket.ondata (readline.js:186:10)
    at Socket.emit (events.js:315:20)
    at addChunk (_stream_readable.js:295:12)
    at readableAddChunk (_stream_readable.js:271:9)
    at Socket.Readable.push (_stream_readable.js:212:10)
    at Pipe.onStreamRead (internal/stream_base_commons.js:186:23)

VS Code version: Code 1.53.1 (5d424b8, 2021-02-08T23:30:54.166Z)
OS version: Linux x64 5.8.0-43-generic snap

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz (8 x 2599)
GPU Status	2d_canvas: unavailable_software gpu_compositing: disabled_software multiple_raster_threads: enabled_on oop_rasterization: disabled_off opengl: disabled_off protected_video_decode: disabled_off rasterization: disabled_software skia_renderer: enabled_on video_decode: disabled_software vulkan: disabled_off webgl: unavailable_software webgl2: unavailable_software
Load (avg)	7, 6, 5
Memory (System)	15.51GB (3.05GB free)
Process Argv	--force-user-env --no-sandbox --unity-launch --no-sandbox --crash-reporter-id 225b765c-c08c-49ae-80e9-f0a838258b38
Screen Reader	no
VM	0%
DESKTOP_SESSION	ubuntu
XDG_CURRENT_DESKTOP	Unity
XDG_SESSION_DESKTOP	ubuntu
XDG_SESSION_TYPE	x11

Extensions (47)

Extension	Author (truncated)	Version
vscode-openapi	42C	3.10.0
swagger-viewer	Arj	3.0.1
vscode-browser-preview	auc	0.6.7
path-intellisense	chr	2.3.0
vscode-postgres	cko	1.1.17
vscode-eslint	dba	2.1.14
javadebugger	don	0.1.5
gitlens	eam	11.2.1
tslint	eg2	1.0.44
prettier-vscode	esb	5.9.1
auto-rename-tag	for	0.1.6
code-runner	for	0.11.2
todo-tree	Gru	0.0.196
rest-client	hum	0.24.4
graphql-for-vscode	kum	1.15.3
cql	Law	0.8.7
vscode-mocha-sidebar	mat	0.22.2
vscode-azureappservice	ms-	0.20.0
vscode-azurefunctions	ms-	1.2.1
vscode-docker	ms-	1.9.1
csharp	ms-	1.23.9
python	ms-	2021.1.502429796
vscode-pylance	ms-	2021.2.0
jupyter	ms-	2020.12.414227025
remote-containers	ms-	0.158.0
remote-ssh	ms-	0.63.0
remote-ssh-edit	ms-	0.63.0
remote-wsl	ms-	0.53.4
vscode-remote-extensionpack	ms-	0.20.0
azure-account	ms-	0.9.5
powershell	ms-	2020.6.0
quicktype	qui	12.0.46
java	red	0.74.0
vscode-yaml	red	0.14.0
LiveServer	rit	5.6.1
rust	rus	0.7.8
scala	sca	0.5.1
code-settings-sync	Sha	3.4.3
pdf	tom	1.1.0
vscodeintellicode	Vis	1.2.11
vscode-java-debug	vsc	0.31.0
vscode-java-dependency	vsc	0.18.0
vscode-java-pack	vsc	0.12.1
vscode-java-test	vsc	0.28.0
vscode-maven	vsc	0.27.1
quokka-vscode	Wal	1.0.342
JavaScriptSnippets	xab	1.8.0

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[vscodebot]

(Experimental duplicate detection)
Thanks for submitting this issue. Please also check if it is already covered by an existing one, like:

• TS Server fatal error: Cannot read property 'indexOf' of undefined (#116257)
• TS Server fatal error: Cannot read property 'indexOf' of undefined (#116234)
• TS Server fatal error: Cannot read property 'indexOf' of undefined (#116239)
• TS Server fatal error: Debug Failure. False expression. (#115435)
• TS Server fatal error: Debug Failure. False expression. (#113570)

[gjsjohnmurray]

/duplicate