ERROR in ../../node_modules/@angular/core/core.d.ts(13146,86): error TS1110: Type expected

Question

After installing angular json editor using this command - npm install --save jsoneditor ang-jsoneditor getting bellow error after angular compilation

ERROR in ../../node_modules/@angular/core/core.d.ts(13146,86): error TS1110: Type expected.

Spending hours to fix this issue I have tried below solutions:

1. I have made changes in package.json file and update this @angular/core": "^6.1.0" to @angular/core": "6.1.0" this and run npm update
2. run npm install
3. run npm install -g @angular/cli
4. made changes in package.json file and update this "rxjs": "~6.2.0" to "rxjs": "6.2.0" this and run npm update but nothing works. Any help will be appreciated. Thanks.