I've noticed that TypeScript and tslint don't seem to recognize jsx code in files with the extension ts. Do I have to use the tsx extension for source files that include jsx in TypeScript?
I've noticed that TypeScript and tslint don't seem to recognize jsx code in files with the extension ts. Do I have to use the tsx extension for source files that include jsx in TypeScript?
Absolutely, it is required to include jsx in tsx files. This requirement is outlined in the official documentation
To utilize JSX, there are two necessary steps:
- Save your files with a .tsx extension
- Enable the jsx option
This decision was made not only to align with the traditional use of the .jsx extension, but also to address syntactic conflicts between Typescript and jsx (such as the outdated type assertion operator <type>). Having a separate extension improves backward compatibility.
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