[GitHub] [metron] sardell opened a new pull request #1463: METRON-2183: Update to Angular v7

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sardell opened a new pull request #1463: METRON-2183: Update to Angular v7
URL: https://github.com/apache/metron/pull/1463
 
 
   ## Contributor Comments
   Link to original ASF ticket [here](https://issues.apache.org/jira/browse/METRON-2183).
   
   Long term support for Angular v6 will end in November this year, so we should update what version we use. Per the suggestion of the Angular team, we should update to version 7 before updating to 8.
   
   In this PR, I did exactly that and updated to version 7.2.15. In addition, I fixed a few unit tests that failed  due to stricter type checking with the updated version of typescript (part of the Angular upgrade).
   
   ## Testing
   
   Spin up Full Dev as you normally would. All unit tests for the Alerts and Management UI should pass, as well as the Cypress e2e tests in the Alerts UI. If you open both UIs in the browser and open the dev tools console, you can run `getAllAngularRootElements()[0].attributes["ng-version"];` to see what version of Angular is running. It should show 7.2.15.
   
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