TypeError: Cannot read property '0' of undefined in 'getTypeArgumentConstraint' during 'completionInfo'

[typescript-bot]

This issue comes from crash dumps in telemetry. We've tried to de-duplicate issues on a best-effort basis, comparing the sequence of methods called and the command requested while ignoring line numbers.
TypeScript version prefix: 3.5.3
VSCode version: 1.36.1
Command requested: completionInfo
Hitting sessions: 141
Five line hash: 2102806d5656b80c3ba01afefeac947e
Stack:

    at getTypeArgumentConstraint (tsserver.js:54599:73)
    at getTypeArgumentConstraint (tsserver.js:31614:32)
    at getStringLiteralCompletionEntries (tsserver.js:98912:104)
    at getStringLiteralCompletions (tsserver.js:98830:59)
    at getCompletionsAtPosition (tsserver.js:99530:67)
    at getCompletionsAtPosition (tsserver.js:122111:35)
    at Session.getCompletions (tsserver.js:131153:64)
    at _a.<computed> (tsserver.js:130103:61)
    at <anonymous> (tsserver.js:131671:88)
    at Session.executeWithRequestId (tsserver.js:131662:28)
    at Session.executeCommand (tsserver.js:131671:33)
    at Session.onMessage (tsserver.js:131693:35)
    at <anonymous> (tsserver.js:132984:27)
    at unknown (suppressed.js)
    at unknown (suppressed.js)
    at unknown (suppressed.js)
    at unknown (suppressed.js)
    at unknown (suppressed.js)
    at unknown (suppressed.js)
    at unknown (suppressed.js)
    at unknown (suppressed.js)
    at unknown (suppressed.js)

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.6.3
VSCode version: 1.38.1
Command requested: completionInfo
Hitting sessions: 144
Five line hash: a8aa09d4532e84a1e595d44d660a51e2
Stack:

TypeError: Cannot read property '2' of undefined
    at getTypeArgumentConstraint (tsserver.js:55882:73)
    at Object.getTypeArgumentConstraint (tsserver.js:32423:32)
    at getStringLiteralCompletionEntries (tsserver.js:101642:104)
    at Object.getStringLiteralCompletions (tsserver.js:101560:59)
    at Object.getCompletionsAtPosition (tsserver.js:102261:67)
    at Object.getCompletionsAtPosition (tsserver.js:125559:35)
    at suppressed_frame()
    at IOSession.Session.getCompletions (tsserver.js:134741:64)
    at Session.handlers.ts.createMapFromTemplate._a.(anonymous function) (tsserver.js:133723:61)
    at unknown (tsserver.js:135256:88)
    at IOSession.Session.executeWithRequestId (tsserver.js:135247:28)
    at IOSession.Session.executeCommand (tsserver.js:135256:33)
    at IOSession.Session.onMessage (tsserver.js:135279:35)
    at Interface.<anonymous> (tsserver.js:136594:27)
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.6.4
VSCode version: 1.39.2
Command requested: completionInfo
Hitting sessions: 123
Five line hash: a8aa09d4532e84a1e595d44d660a51e2
Stack:

TypeError: Cannot read property '0' of undefined
    at getTypeArgumentConstraint (tsserver.js:55891:73)
    at Object.getTypeArgumentConstraint (tsserver.js:32423:32)
    at getStringLiteralCompletionEntries (tsserver.js:101651:104)
    at Object.getStringLiteralCompletions (tsserver.js:101569:59)
    at Object.getCompletionsAtPosition (tsserver.js:102270:67)
    at Object.getCompletionsAtPosition (tsserver.js:125568:35)
    at suppressed_frame()
    at IOSession.Session.getCompletions (tsserver.js:134750:64)
    at Session.handlers.ts.createMapFromTemplate._a.(anonymous function) (tsserver.js:133732:61)
    at unknown (tsserver.js:135265:88)
    at IOSession.Session.executeWithRequestId (tsserver.js:135256:28)
    at IOSession.Session.executeCommand (tsserver.js:135265:33)
    at IOSession.Session.onMessage (tsserver.js:135288:35)
    at Interface.<anonymous> (tsserver.js:136603:27)
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.7.2
VSCode version: 1.40.0
Command requested: completionInfo
Hitting sessions: 170
Five line hash: a8aa09d4532e84a1e595d44d660a51e2
Stack:

TypeError: Cannot read property '3' of undefined
    at getTypeArgumentConstraint (tsserver.js:58779:73)
    at Object.getTypeArgumentConstraint (tsserver.js:33338:32)
    at getStringLiteralCompletionEntries (tsserver.js:105505:104)
    at Object.getStringLiteralCompletions (tsserver.js:105423:59)
    at Object.getCompletionsAtPosition (tsserver.js:106130:67)
    at Object.getCompletionsAtPosition (tsserver.js:130738:35)
    at IOSession.Session.getCompletions (tsserver.js:140355:64)
    at Session.handlers.ts.createMapFromTemplate._a.<computed> (tsserver.js:139335:61)
    at unknown (tsserver.js:140870:88)
    at IOSession.Session.executeWithRequestId (tsserver.js:140861:28)
    at IOSession.Session.executeCommand (tsserver.js:140870:33)
    at IOSession.Session.onMessage (tsserver.js:140893:35)
    at Interface.<anonymous> (tsserver.js:142208:27)
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.7.3
VSCode version: 1.40.2
Command requested: completionInfo
Hitting sessions: 108
Five line hash: a8aa09d4532e84a1e595d44d660a51e2
Stack:

TypeError: Cannot read property '1' of undefined
    at getTypeArgumentConstraint (tsserver.js:58815:73)
    at Object.getTypeArgumentConstraint (tsserver.js:33358:32)
    at getStringLiteralCompletionEntries (tsserver.js:105544:104)
    at Object.getStringLiteralCompletions (tsserver.js:105462:59)
    at Object.getCompletionsAtPosition (tsserver.js:106169:67)
    at Object.getCompletionsAtPosition (tsserver.js:130777:35)
    at IOSession.Session.getCompletions (tsserver.js:140414:64)
    at Session.handlers.ts.createMapFromTemplate._a.<computed> (tsserver.js:139394:61)
    at unknown (tsserver.js:140929:88)
    at IOSession.Session.executeWithRequestId (tsserver.js:140920:28)
    at IOSession.Session.executeCommand (tsserver.js:140929:33)
    at IOSession.Session.onMessage (tsserver.js:140952:35)
    at Interface.<anonymous> (tsserver.js:142267:27)
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.7.4
VSCode version: 1.41.1
Command requested: completionInfo
Hitting sessions: 165
Five line hash: a8aa09d4532e84a1e595d44d660a51e2
Stack:

TypeError: Cannot read property '2' of undefined
    at getTypeArgumentConstraint (tsserver.js:58818:73)
    at Object.getTypeArgumentConstraint (tsserver.js:33361:32)
    at getStringLiteralCompletionEntries (tsserver.js:105547:104)
    at Object.getStringLiteralCompletions (tsserver.js:105465:59)
    at Object.getCompletionsAtPosition (tsserver.js:106172:67)
    at Object.getCompletionsAtPosition (tsserver.js:130780:35)
    at suppressed_frame()
    at IOSession.Session.getCompletions (tsserver.js:140417:64)
    at Session.handlers.ts.createMapFromTemplate._a.<computed> (tsserver.js:139397:61)
    at unknown (tsserver.js:140932:88)
    at IOSession.Session.executeWithRequestId (tsserver.js:140923:28)
    at IOSession.Session.executeCommand (tsserver.js:140932:33)
    at IOSession.Session.onMessage (tsserver.js:140955:35)
    at Interface.<anonymous> (tsserver.js:142270:27)
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.7.5
VSCode version: 1.42.0-insider
Command requested: completionInfo
Hitting sessions: 137
Five line hash: a8aa09d4532e84a1e595d44d660a51e2
Stack:

TypeError: Cannot read property '0' of undefined
    at getTypeArgumentConstraint (tsserver.js:58822:73)
    at Object.getTypeArgumentConstraint (tsserver.js:33365:32)
    at getStringLiteralCompletionEntries (tsserver.js:105575:104)
    at Object.getStringLiteralCompletions (tsserver.js:105493:59)
    at Object.getCompletionsAtPosition (tsserver.js:106200:67)
    at Proxy.getCompletionsAtPosition (tsserver.js:130808:35)
    at suppressed_frame()
    at IOSession.Session.getCompletions (tsserver.js:140445:64)
    at Session.handlers.ts.createMapFromTemplate._a.<computed> (tsserver.js:139425:61)
    at unknown (tsserver.js:140960:88)
    at IOSession.Session.executeWithRequestId (tsserver.js:140951:28)
    at IOSession.Session.executeCommand (tsserver.js:140960:33)
    at IOSession.Session.onMessage (tsserver.js:140983:35)
    at Interface.<anonymous> (tsserver.js:142298:27)
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.8.3
VSCode version: 1.42.1
Command requested: completionInfo
Hitting sessions: 190
Five line hash: a8aa09d4532e84a1e595d44d660a51e2
Stack:

TypeError: Cannot read property '2' of undefined
    at getTypeArgumentConstraint (tsserver.js:60614:73)
    at Object.getTypeArgumentConstraint (tsserver.js:34522:32)
    at getStringLiteralCompletionEntries (tsserver.js:108938:104)
    at Object.getStringLiteralCompletions (tsserver.js:108855:35)
    at Object.getCompletionsAtPosition (tsserver.js:109567:67)
    at Proxy.getCompletionsAtPosition (tsserver.js:135360:35)
    at suppressed_frame()
    at IOSession.Session.getCompletions (tsserver.js:145435:64)
    at Session.handlers.ts.createMapFromTemplate._a.<computed> (tsserver.js:144383:61)
    at unknown (tsserver.js:146003:88)
    at IOSession.Session.executeWithRequestId (tsserver.js:145994:28)
    at IOSession.Session.executeCommand (tsserver.js:146003:33)
    at IOSession.Session.onMessage (tsserver.js:146027:35)
    at Interface.<anonymous> (tsserver.js:147342:27)
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()
    at suppressed_frame()

[typescript-bot]

Revised stack format and updated hash.

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 3.9.7
VSCode version: 1.47.2
Command requested: completionInfo
Hitting sessions: 194
Five line hash: 2102806d5656b80c3ba01afefeac947e
Stack:

    at getTypeArgumentConstraint (tsserver.js:62195:73)
    at getTypeArgumentConstraint (tsserver.js:35224:32)
    at getStringLiteralCompletionEntries (tsserver.js:111540:104)
    at getStringLiteralCompletions (tsserver.js:111451:35)
    at getCompletionsAtPosition (tsserver.js:112187:67)
    at getCompletionsAtPosition (tsserver.js:138899:35)
    at Session.getCompletions (tsserver.js:148978:64)
    at _a.<computed> (tsserver.js:147915:61)
    at <anonymous> (tsserver.js:149555:88)
    at Session.executeWithRequestId (tsserver.js:149546:28)
    at Session.executeCommand (tsserver.js:149555:33)
    at Session.onMessage (tsserver.js:149579:35)
    at <anonymous> (tsserver.js:150895:27)
    at unknown (suppressed.js:203:13)
    at unknown (suppressed.js:316:10)
    at unknown (suppressed.js:461:12)
    at unknown (suppressed.js:172:10)
    at unknown (suppressed.js:203:13)
    at unknown (suppressed.js:295:12)
    at unknown (suppressed.js:276:11)
    at unknown (suppressed.js:210:10)
    at unknown (suppressed.js:166:17)

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 4.0.2
VSCode version: 1.49.0-insider
Command requested: completionInfo
Hitting sessions: 219
Five line hash: 2102806d5656b80c3ba01afefeac947e
Stack:

    at getTypeArgumentConstraint (tsserver.js:70524:73)
    at getTypeArgumentConstraint (tsserver.js:42647:32)
    at getStringLiteralCompletionEntries (tsserver.js:114473:104)
    at getStringLiteralCompletions (tsserver.js:114384:35)
    at getCompletionsAtPosition (tsserver.js:115121:67)
    at getCompletionsAtPosition (tsserver.js:143481:35)
    at unknown (suppressed.js:130:84)
    at unknown (suppressed.js:71:67)
    at unknown (suppressed.js:159:26)
    at unknown (suppressed.js:2:2281)
    at unknown (suppressed.js:2:6454)
    at Session.getCompletions (tsserver.js:154320:64)
    at _a.<computed> (tsserver.js:153204:61)
    at <anonymous> (tsserver.js:154953:88)
    at Session.executeWithRequestId (tsserver.js:154944:28)
    at Session.executeCommand (tsserver.js:154953:33)
    at Session.onMessage (tsserver.js:154977:35)
    at <anonymous> (tsserver.js:157193:27)
    at unknown (suppressed.js:223:5)
    at unknown (suppressed.js:315:10)
    at unknown (suppressed.js:460:12)
    at unknown (suppressed.js:172:10)
    at unknown (suppressed.js:223:5)
    at unknown (suppressed.js:309:12)
    at unknown (suppressed.js:290:11)
    at unknown (suppressed.js:224:10)
    at unknown (suppressed.js:181:23)

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 4.0.3
VSCode version: 1.49.2
Command requested: completionInfo
Hitting sessions: 159
Five line hash: 2102806d5656b80c3ba01afefeac947e
Stack:

    at getTypeArgumentConstraint (tsserver.js:70531:73)
    at getTypeArgumentConstraint (tsserver.js:42654:32)
    at getStringLiteralCompletionEntries (tsserver.js:114480:104)
    at getStringLiteralCompletions (tsserver.js:114391:35)
    at getCompletionsAtPosition (tsserver.js:115128:67)
    at getCompletionsAtPosition (tsserver.js:143489:35)
    at Session.getCompletions (tsserver.js:154328:64)
    at _a.<computed> (tsserver.js:153212:61)
    at <anonymous> (tsserver.js:154962:88)
    at Session.executeWithRequestId (tsserver.js:154953:28)
    at Session.executeCommand (tsserver.js:154962:33)
    at Session.onMessage (tsserver.js:154986:35)
    at <anonymous> (tsserver.js:157202:27)
    at unknown (suppressed.js:223:5)
    at unknown (suppressed.js:315:10)
    at unknown (suppressed.js:460:12)
    at unknown (suppressed.js:172:10)
    at unknown (suppressed.js:223:5)
    at unknown (suppressed.js:309:12)
    at unknown (suppressed.js:290:11)
    at unknown (suppressed.js:224:10)
    at unknown (suppressed.js:181:23)

[typescript-bot]

This issue reproduced in the following context:
TypeScript version prefix: 4.0.5
VSCode version: 1.51.0
Command requested: completionInfo
Hitting sessions: 136
Five line hash: 2102806d5656b80c3ba01afefeac947e
Stack:

    at getTypeArgumentConstraint (tsserver.js:70531:73)
    at getTypeArgumentConstraint (tsserver.js:42654:32)
    at getStringLiteralCompletionEntries (tsserver.js:114535:104)
    at getStringLiteralCompletions (tsserver.js:114446:35)
    at getCompletionsAtPosition (tsserver.js:115183:67)
    at getCompletionsAtPosition (tsserver.js:143544:35)
    at Session.getCompletions (tsserver.js:154383:64)
    at _a.<computed> (tsserver.js:153267:61)
    at <anonymous> (tsserver.js:155017:88)
    at Session.executeWithRequestId (tsserver.js:155008:28)
    at Session.executeCommand (tsserver.js:155017:33)
    at Session.onMessage (tsserver.js:155041:35)
    at <anonymous> (tsserver.js:157257:27)
    at unknown (suppressed.js:223:5)
    at unknown (suppressed.js:315:10)
    at unknown (suppressed.js:460:12)
    at unknown (suppressed.js:172:10)
    at unknown (suppressed.js:223:5)
    at unknown (suppressed.js:309:12)
    at unknown (suppressed.js:290:11)
    at unknown (suppressed.js:224:10)
    at unknown (suppressed.js:181:23)