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So am I currently learning React Native by following app clones, such as Instagram, YouTube etc. I have just started an AirBnb clone, but upon project creation, I am running into some issues with the initial build.

The first thing I noticed was in 'App.js', the template file for the app seems to be trying to use TypeScript inside a normal .js file. (I've never really used TS, so not sure if this is possible, or I'm just being stupid...) - see this screenshot for clarity. My understanding is the .js file is trying to import a type ('Node' as seen in the image) but surely it has to be a .ts or .tsx file? I haven't changed any file extensions, this is how it came in the template when I initialized the project.

Anyone got any ideas?

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Ah. It's not Typescript. If you look in the comments you can see @flow strict-local. I've never used it, but you can check it out here: https://flow.org/en/docs/

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ah that makes sense - although, when I hover over the red underline, it says " 'import type' declarations can only be used in TypeScript files' ". Do you reckon this is something of concern?
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This is not typescript, it is flow. You can check the documentation here, you will find the line which is imported: https://flow.org/en/docs/react/types/

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