Vscode-ng-language-service: Unexpected token } in JSON at position 823

[markgoho-EDT]

Search path: c:/Users/Nella/Documents/EDT/app-copa/src/app
Config file name: c:/Users/Nella/Documents/EDT/app-copa/tsconfig.json
SERVER ERROR: Unexpected token } in JSON at position 823
SyntaxError: Unexpected token } in JSON at position 823
    at JSON.parse (<anonymous>)
    at parseAndReEmitConfigJSONFile (C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\editorServices.js:257:33)
    at ProjectService.configFileToProjectOptions (C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\editorServices.js:1598:18)
    at ProjectService.openConfigFile (C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\editorServices.js:1620:42)
    at ProjectService.openOrUpdateConfiguredProjectForFile (C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\editorServices.js:1486:41)
    at ProjectService.openClientFile (C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\editorServices.js:1404:23)
    at C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\documents.js:135:47
    at TextDocuments.logErrors (C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\documents.js:235:13)
    at C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\documents.js:131:74
    at handleNotification (C:\Users\Nella\.vscode-insiders\extensions\Angular.ng-template-0.1.7\server\node_modules\vscode-jsonrpc\lib\main.js:353:21)
[Error - 10:05:39 PM] Notification handler 'textDocument/didOpen' failed with message: Unexpected token } in JSON at position 823

[smasala]

+1

[Error - 23:16:59] Notification handler 'textDocument/didOpen' failed with message: Unexpected token } in JSON at position 515

[tkoenig89]

Having the same issue with a different error position:

[Error - 11:28:36] Notification handler 'textDocument/didOpen' failed with message: Unexpected token } in JSON at position 534

Edit
I'm using following versions:
Angular: 5.2.0
Typescript: 2.5.3
VSCode: 1.19.2

[tkoenig89]

I guess, i managed to find the root cause. It's not a bug in the plugin or the language service! It's an issue with the tsconfig.json beeing not formated correctly.

My tsconfig.json looked like this:

"angularCompilerOptions": { 
      "fullTemplateTypeCheck": true , //<-------- This comma did cause the issue
}

After removing the comma, the plugin worked well.

[markgoho-EDT]

@tkoenig89 respectfully, as the creator of this issue, please allow for others to test this solution before suggesting that they close it because you found something that worked for you 👍

[tkoenig89]

@markgoho-EDT i guess you are right, i might have been a little too quick about this. Might be because i was bothered by the issue, and too happy when i finally managed to find a solution :)

[markgoho-EDT]

Update: we also had an extraneous comma at the end of a line in our tsconfig.json

it was here:

    ...
    "pretty": true,
    "suppressImplicitAnyIndexErrors": true,
    "noUnusedLocals": true,
    "noUnusedParameters": false,
  },

after noUnusedParamters.

@chuckjaz hopefully this helps. I won't close this bug because this should probably solved by a different method of error handling rather than a user removing a comma.

[rohitkrishna094]

I too had the same problem. I ran jslint on all json files in my angular project. And it turns out that there was a small comma in angular.json file that caused the issue. Removing that fixed everything. Leaving it here in case someone needs it. Found the solution on stackoverflow question and this thread.

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