This can only be used in ts files · Issue #408 · microsoft/vscode · GitHub
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Type Aliases can only be used in a .ts file · Issue #49894 · microsoft/vscode · 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
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Type Aliases can only be used in a .ts file · Issue #49894 · microsoft/vscode · GitHub
js 'types' can only be used in a .ts file - Visual Studio Code using @ts-check - Stack Overflow
js 'types' can only be used in a .ts file - Visual Studio Code using @ts-check - Stack Overflow
Type annotations can only be used in TypeScript files.ts(8010) on React-Native CLI Startup · Issue #29123 · facebook/react-native · GitHub
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error message "Type annotations can only be used in TypeScript files" · Issue #5 · halfnelson/svelte-type-checker-vscode · GitHub
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![Visual Studio Code:[js] types can only be used in a .ts file - Stack Overflow](https://i.stack.imgur.com/c8s23.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
Switch Rollup from Webpack. Previously we applied Tree Shaking in… | by Daybrush (Younkue Choi) | NAVER FE Platform | Medium
public' can only be used in a .ts file" in typescript tslint react setup? - Stack Overflow
TypeScript const | Rules and Regulations for const Keyword | Examples
Creation of d.ts mishandles case of `export const a = 34` · Issue #12734 · microsoft/TypeScript · GitHub
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public' can only be used in a .ts file" in typescript tslint react setup? - Stack Overflow
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public' can only be used in a .ts file" in typescript tslint react setup? - Stack Overflow
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TypeScript support in Svelte - Learn web development | MDN
