TypeScript Compiling with Visual Studio Code
Type Aliases can only be used in a .ts file · Issue #49894 · microsoft/vscode · GitHub
TypeScript support in Svelte - Learn web development | MDN
TypeScript Programming with Visual Studio Code
TypeScript 2.x By Example
Visual Studio Code 'const' can only be used in a .ts file - Stack Overflow
Going From JavaScript to TypeScript | by Richard Prasad | Better Programming | Medium
Type aliases can be used only in a .ts file' error popping up in Flow enabled files · Issue #15171 · microsoft/vscode · GitHub
TypeScript for NativeScript Developers
public' can only be used in a .ts file" in typescript tslint react setup? - Stack Overflow
Choosing between Babel and TypeScript - LogRocket Blog
js 'types' can only be used in a .ts file - Visual Studio Code using @ts-check - Stack Overflow
ESLint and .ts Typescript files – IDEs Support (IntelliJ Platform) | JetBrains
TypeScript 2.x By Example
Type Aliases can only be used in a .ts file · Issue #49894 · microsoft/vscode · GitHub
![type aliases' can only be used in a .ts file] - Stack Overflow](https://i.stack.imgur.com/jp8St.png "type aliases' can only be used in a .ts file] - Stack Overflow")
type aliases' can only be used in a .ts file] - Stack Overflow
Getting started with React and TypeScript
Working with JavaScript in Visual Studio Code
Type Aliases can only be used in a .ts file · Issue #49894 · microsoft/vscode · GitHub
Using TypeScript to Check Your JavaScript Code – WebStorm Blog | JetBrains
Announcing TypeScript 3.9 | TypeScript
![ts] 'types' can only be used in a .ts file" Error in TS file · Issue #49639 · microsoft/vscode · GitHub](https://user-images.githubusercontent.com/10254377/39889025-aaf4b08a-5464-11e8-93bd-3304a5cee03c.png "ts] 'types' can only be used in a .ts file\" Error in TS file · Issue #49639 · microsoft/vscode · GitHub")
ts] 'types' can only be used in a .ts file" Error in TS file · Issue #49639 · microsoft/vscode · GitHub
TypeScript support in Svelte - Learn web development | MDN
Type annotations can only be used in TypeScript files.ts(8010) on React-Native CLI Startup · Issue #29123 · facebook/react-native · GitHub
![Visual Studio Code:[js] types can only be used in a .ts file - Stack Overflow](https://i.stack.imgur.com/RpEfG.png "Visual Studio Code:[js] types can only be used in a .ts file - Stack Overflow")
Visual Studio Code:[js] types can only be used in a .ts file - Stack Overflow
![Unexpected [ts] errors in JavaScript files · Issue #54261 · microsoft/vscode · GitHub](https://user-images.githubusercontent.com/37275569/42697934-d4ab3554-86bc-11e8-89af-d757c2b2b1bb.png "Unexpected [ts] errors in JavaScript files · Issue #54261 · microsoft/vscode · GitHub")