Get WebStorm 2018.2 Release Candidate if you want to try TypeScript 3.0 RC: https://www.jetbrains.com/webstorm/nextversion/ … Install typescript@rc in your project or globally and then select the path to the new package in Preferences | Languages and Frameworks | TypeScript.https://twitter.com/typescriptlang/status/1017455505487249408 …
Sorry, we can't reproduce the problem. Can you please report a new issue and attach a video, a screenshot or a sample project demonstrating the problem: https://youtrack.jetbrains.com/issues/WEB Thank you!