Angular CLI: 6.0.1 - Unexpected token } in JSON at position 2686

[tjaussoin-luna]

Hi, when I try to create a component, I have this error :
Unexpected token } in JSON at position 2686

Versions

Angular CLI: 6.0.1
Node: 10.0.0
OS: darwin x64
Angular: 6.0.0
... animations, common, compiler-cli, core, forms, http
... language-service, platform-browser, platform-browser-dynamic
... router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.6.1
@angular-devkit/build-angular     0.6.1
@angular-devkit/build-optimizer   0.6.1
@angular-devkit/core              0.6.1
@angular-devkit/schematics        0.6.1
@angular/cdk                      6.0.1
@angular/cli                      6.0.1
@angular/compiler                 6.0.1
@angular/flex-layout              6.0.0-beta.15
@angular/material                 6.0.1
@ngtools/webpack                  6.0.1
@schematics/angular               0.6.1
@schematics/update                0.6.1
rxjs                              6.1.0
typescript                        2.7.2
webpack                           4.6.0

Repro steps

ng g c listsample
Unexpected token } in JSON at position 2686

[ToniJM]

Same error here but in another line:

Unexpected token } in JSON at position 1075

Angular CLI: 6.0.1
Node: 8.11.1
OS: win32 x64
Angular: 6.0.1
... animations, cli, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

Package                           Version
@angular-devkit/architect         0.6.1
@angular-devkit/build-angular     0.6.1
@angular-devkit/build-optimizer   0.6.1
@angular-devkit/core              0.6.1
@angular-devkit/schematics        0.6.1
@ngtools/webpack                  6.0.1
@schematics/angular               0.6.1
@schematics/update                0.6.1
rxjs                              6.1.0
typescript                        2.7.2
webpack                           4.6.0

[ToniJM]

I've updated Node to 10.1 and it's working...

Angular CLI: 6.0.1
Node: 10.1.0
OS: win32 x64
Angular:
...

Package                      Versio
-----------------------------------
@angular-devkit/architect    0.6.1
@angular-devkit/core         0.6.1
@angular-devkit/schematics   0.6.1
@schematics/angular          0.6.1
@schematics/update           0.6.1
rxjs                         6.1.0
typescript                   2.7.2

[tjaussoin-luna]

Updated as well to Node 10.1.0 as suggested by @ToniJM
Same problem on my side ;(
Unexpected token } in JSON at position 2686

Angular CLI: 6.0.1
Node: 10.1.0

[briangullo]

When you call ng generate, it reads the angular.json file in your project. I had a similar issue, except mine was "Unexpected token /". I had commented out portions of the json file. The CLI did not like the my use of "//", so I had to remove the commented out sections, and it started working fine after that. So comb through your angular.json file, you probably have some malformed code in it.

[tjaussoin-luna]

@briangullo you're right. Thanks!
My JSON had this issue (the comma after "error", last line...).

   "en": {
          "aot": true,
          "outputPath": "dist/myapp-en/",
          "i18nFile": "src/locale/messages.en.xlf",
          "i18nFormat": "xlf",
          "i18nLocale": "en",
          "i18nMissingTranslation": "error", // REMOVE COMMA HERE
        }

[leonardopaiva]

@briangullo same problem here, thanks.

[jbeckton]

Unexpected token ] in JSON at position 434

I pasted my angular.json file into a json validator and it clean. not sure where to look now.

[shivpratapjnv80]

Use
These Command

1. ng update
2. ng update@ angular/cli

[jtal]

I received this error as well. "Unexpected token }" or "]" probably means you put a comma after the last element. The error message doesnt provide the file name or line number but I'm guessing position is characters from start of file. I just opened angular.json in vim and the culprit was highlighted.

Also, come on JSON specification, is that comma hurting anyone? ;)

[m4r71n85]

delete package-lock.json

[michelepatrassi]

JSON is malformed, you can easily spot the error at https://jsonlint.com/

[michaeltarleton]

In my case I had a trailing ',' after one of my style imports in angular.json

[rajeshdas85]

i used this command it resolved my issue
ng update@ angular/cli

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