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

[philipbjorkebro]

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/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:39472:30)
    at ConfiguredProject.Project.enablePlugin (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:151962:24)
    at ConfiguredProject.enablePluginsWithOptions (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:152477:30)
    at ProjectService.loadConfiguredProject (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:154206:25)
    at ProjectService.createAndLoadConfiguredProject (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:154145:22)
    at ProjectService.createLoadAndUpdateConfiguredProject (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:154150:36)
    at ProjectService.assignProjectToOpenedScriptInfo (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:155055:44)
    at /home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:155395:97
    at Object.flatMap (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:513:25)
    at ProjectService.applyChangesInOpenFiles (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:155395:41)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:156413:46)
    at /home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:158286:88
    at IOSession.Session.executeWithRequestId (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:158277:28)
    at IOSession.Session.executeCommand (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:158286:33)
    at IOSession.Session.onMessage (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/extensions/node_modules/typescript/lib/tsserver.js:158310:35)
    at Interface.<anonymous> (/home/pille/.vscode-server/bin/5d424b828ada08e1eb9f95d6cb41120234ef57c7/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, 2021-02-08T23:29:42.785Z)
OS version: Windows_NT x64 10.0.19041
Remote OS version: Linux x64 5.8.0-43-generic

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz (12 x 2592)
GPU Status	2d_canvas: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on oop_rasterization: enabled opengl: enabled_on protected_video_decode: enabled rasterization: enabled skia_renderer: enabled_on video_decode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	15.73GB (6.03GB free)
Process Argv	--crash-reporter-id 1736c620-60f7-4d95-ad02-9601c9751d97
Screen Reader	no
VM	0%

Item	Value
Remote	SSH: BombeeSimon
OS	Linux x64 5.8.0-43-generic
CPUs	Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz (8 x 1493)
Memory (System)	15.55GB (0.47GB free)
VM	0%

Extensions (4)

Extension	Author (truncated)	Version
remote-ssh	ms-	0.64.0
remote-ssh-edit	ms-	0.64.0
remote-wsl	ms-	0.53.4
JavaScriptSnippets	xab	1.8.0

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[IllusionMH]

/duplicate of #116219
Fix released with VS Code 1.53.2