GitHub - jstwister/vscode-flow-ide: Visual Studio Code extension for javascript Flowtype static type checker
Type annotations can only be used in TypeScript files.ts(8010) on React-Native CLI Startup · Issue #29123 · facebook/react-native · GitHub
Ability to disable TS8010: 'types' can only be used in a .ts file. · Issue #35470 · microsoft/TypeScript · GitHub
![Type aliases can be used only in a .ts file' error popping up in Flow enabled files · Issue #15171 · microsoft/vscode · GitHub Type aliases can be used only in a .ts file' error popping up in Flow enabled files · Issue #15171 · microsoft/vscode · GitHub](https://user-images.githubusercontent.com/1685700/28547570-55741cdc-7084-11e7-8856-dd1cc9a1726c.png)