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

[jayefel]

Issue Type: Bug

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

TypeScript Version: 4.1.4

Steps to reproduce crash
Open VS Code.

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 (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:39472:30)
    at ConfiguredProject.Project.enablePlugin (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:151962:24)
    at ConfiguredProject.enablePluginsWithOptions (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:152477:30)
    at ProjectService.loadConfiguredProject (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:154206:25)
    at ProjectService.createAndLoadConfiguredProject (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:154145:22)
    at ProjectService.createLoadAndUpdateConfiguredProject (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:154150:36)
    at ProjectService.assignProjectToOpenedScriptInfo (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:155055:44)
    at /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:155395:97
    at Object.flatMap (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:513:25)
    at ProjectService.applyChangesInOpenFiles (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:155395:41)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:156413:46)
    at /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158286:88
    at IOSession.Session.executeWithRequestId (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158277:28)
    at IOSession.Session.executeCommand (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158286:33)
    at IOSession.Session.onMessage (/Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/tsserver.js:158310:35)
    at Interface.<anonymous> (/Applications/Visual Studio Code.app/Contents/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, 2021-02-08T23:35:15.302Z)
OS version: Darwin x64 20.3.0

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-10700K CPU @ 3.80GHz (16 x 3800)
GPU Status	2d_canvas: enabled gpu_compositing: enabled metal: disabled_off multiple_raster_threads: enabled_on oop_rasterization: enabled opengl: enabled_on protected_video_decode: unavailable_off rasterization: enabled skia_renderer: disabled_off_ok video_decode: enabled webgl: enabled webgl2: enabled
Load (avg)	3, 3, 2
Memory (System)	64.00GB (20.84GB free)
Process Argv	--crash-reporter-id 81291492-617d-48c8-821e-81027ff8abff
Screen Reader	no
VM	0%

Extensions (26)

Extension	Author (truncated)	Version
better-comments	aar	2.1.0
npm-intellisense	chr	1.3.1
vscode-css-modules	cli	0.2.3
bracket-pair-colorizer-2	Coe	0.2.0
vscode-eslint	dba	2.1.14
vscode-dash	dee	2.4.0
githistory	don	0.6.14
es7-react-js-snippets	dsz	3.1.0
gitlens	eam	11.2.1
prettier-vscode	esb	5.9.2
vscode-npm	fkn	3.3.0
beautify	Hoo	1.5.0
better-shellscript-syntax	jef	1.1.0
graphql-for-vscode	kum	1.15.3
vscode-duplicate	mrm	1.2.1
vsliveshare	ms-	1.0.3629
debugger-for-chrome	msj	4.12.12
es6-css-minify	olb	3.3.2
material-icon-theme	PKi	4.5.0
code-settings-sync	Sha	3.4.3
markdown-preview-enhanced	shd	0.5.16
autoimport	ste	1.5.3
code-spell-checker	str	1.10.2
vscode-stylelint	sty	0.86.0
vscode-wakatime	Wak	5.0.0
material-theme	zhu	3.9.13

(2 theme extensions excluded)

A/B Experiments

vsliv368cf:30146710
vsreu685:30147344
python383:30185418
pythonvspyt617cf:30253240
vspor879:30202332
vspor708:30202333
vspor363:30204092
vswsl492:30211401
vstry914:30250197
pythonvsdeb440:30248342
pythonvsded773:30248341
pythonvspyt875:30251590

[IllusionMH]

/duplicate of #116219
Fix should go out with VS Code 1.53.2