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

[nikksan]

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 (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:39472:30)
    at ConfiguredProject.Project.enablePlugin (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:151962:24)
    at ConfiguredProject.enablePluginsWithOptions (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:152477:30)
    at ProjectService.loadConfiguredProject (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:154206:25)
    at ProjectService.createAndLoadConfiguredProject (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:154145:22)
    at ProjectService.createLoadAndUpdateConfiguredProject (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:154150:36)
    at ProjectService.assignProjectToOpenedScriptInfo (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:155055:44)
    at /home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:155395:97
    at Object.flatMap (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:513:25)
    at ProjectService.applyChangesInOpenFiles (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:155395:41)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:156413:46)
    at /home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:158286:88
    at IOSession.Session.executeWithRequestId (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:158277:28)
    at IOSession.Session.executeCommand (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:158286:33)
    at IOSession.Session.onMessage (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:158310:35)
    at Interface.<anonymous> (/home/rtg/code/backend/betting-api/node_modules/typescript/lib/tsserver.js:160520:27)
    at Interface.emit (events.js:223:5)
    at Interface._onLine (readline.js:315:10)
    at Interface._normalWrite (readline.js:460:12)
    at Socket.ondata (readline.js:172:10)
    at Socket.emit (events.js:223:5)
    at addChunk (_stream_readable.js:309:12)
    at readableAddChunk (_stream_readable.js:290:11)
    at Socket.Readable.push (_stream_readable.js:224:10)
    at Pipe.onStreamRead (internal/stream_base_commons.js:181:23)

VS Code version: Code 1.50.1 (d2e414d, 2020-10-13T14:44:48.716Z)
OS version: Linux x64 4.15.0-135-generic

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (8 x 3000)
GPU Status	2d_canvas: enabled flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on oop_rasterization: disabled_off opengl: enabled_on protected_video_decode: unavailable_off rasterization: disabled_software skia_renderer: enabled_on video_decode: unavailable_off vulkan: disabled_off webgl: enabled webgl2: enabled
Load (avg)	4, 3, 2
Memory (System)	15.56GB (5.49GB free)
Process Argv	--no-sandbox --unity-launch /home/rtg/code/backend/betting-api --crash-reporter-id 189f02e3-cb9c-4fd8-b3fc-cc12bc3cb72a
Screen Reader	no
VM	0%
DESKTOP_SESSION	ubuntu
XDG_CURRENT_DESKTOP	Unity
XDG_SESSION_DESKTOP	ubuntu
XDG_SESSION_TYPE	x11

Extensions (22)

Extension	Author (truncated)	Version
xml	Dot	2.5.1
es7-react-js-snippets	dsz	3.1.0
tslint	eg2	1.0.44
php-debug	fel	1.14.0
php-intellisense	fel	2.3.14
composer	ika	0.7.1
vscode-phpfmt	kok	1.0.30
node-module-intellisense	lei	1.5.0
vscode-azureresourcegroups	ms-	0.3.0
vscode-docker	ms-	1.9.0
mssql	ms-	1.10.1
python	ms-	2021.1.502429796
jupyter	ms-	2021.2.576440691
azure-account	ms-	0.9.6
typescript-javascript-grammar	ms-	0.0.55
subtle-brackets	raf	3.0.0
vscode-yaml	red	0.16.0
LiveServer	rit	5.6.1
code-settings-sync	Sha	3.4.3
code-spell-checker	str	1.9.2
gitblame	wad	6.0.2
vscode-proto3	zxh	0.5.3

(1 theme extensions excluded)

[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 (#116436)
• TS Server fatal error: Cannot read property 'indexOf' of undefined (#116316)
• TS Server fatal error: Cannot read property 'indexOf' of undefined (#116486)
• TS Server fatal error: Cannot read property 'indexOf' of undefined (#116437)
• TS Server fatal error: Cannot read property 'indexOf' of undefined (#116435)

[IllusionMH]

/duplicate of #116219

Please update your VS Code - fix was released 2 versions ago