npm run build error

[Julien-Marpault]

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\src\Samples\WorkItemOpen\WorkItemOpen.tsx
./src/Samples/WorkItemOpen/WorkItemOpen.tsx
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\src\Samples\WorkItemOpen\WorkItemOpen.tsx(44,104)
TS2322: Type 'ObservableValue' is not assignable to type 'string | IReadonlyObservableValue<string | undefined> | undefined'.
Type 'ObservableValue' is not assignable to type 'IReadonlyObservableValue<string | undefined>'.
The types returned by 'subscribe(...)' are incompatible between these types.
Type '(value: string, action?: string | undefined) => void' is not assignable to type '(value: string | undefined, action?: string | undefined) => void'.
Types of parameters 'value' and 'value' are incompatible.
Type 'string | undefined' is not assignable to type 'string'.
Type 'undefined' is not assignable to type 'string'.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(612,34)
TS1005: '?' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(613,17)
TS1005: ':' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(614,17)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(617,34)
TS1005: '?' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(618,17)
TS1005: ':' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(619,17)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(619,26)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(620,5)
TS1109: Expression expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(624,24)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(628,35)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(634,39)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(638,21)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(643,19)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(643,27)
TS1005: ':' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(643,36)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(643,55)
TS1005: '{' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(643,64)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(643,77)
TS1005: ',' expected.

ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts
[tsl] ERROR in C:\Azure DevOps\Extensions\MicrosoftSamples\node_modules@types\node\ts4.8\test.d.ts(647,22)
TS1005: ',' expected.

webpack 5.76.0 compiled with 20 errors in 7320 ms
(node:48316) [DEP_WEBPACK_MODULE_ERRORS] DeprecationWarning: Module.errors was removed (use getErrors instead)
(Use node --trace-deprecation ... to show where the warning was created)

[mathieu-fournier]

Remove "node" from the tsconfig.json types.
That way typescript wont look for node typings files.

Disclaimer, probably not the best solution, just a workaround.

"types": [ "react", "jest", "node" /* <-- Remove this */ ],