Reactjs-Tutorial | Reactjs tutorial | Frontend Utils library
kandi X-RAY | Reactjs-Tutorial Summary
kandi X-RAY | Reactjs-Tutorial Summary
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QUESTION
The official reactjs.org website contains an excellent introductory tutorial.
The tutorial snippets are written in JavaScript and I am trying to convert these to TypeScript.
I have managed to get the code working but have a question about using interfaces.
What should the correct "function signature" be for the onClick callback.
Is there a way to replace the 'any' keyword in the IProps_Square interface with an explicit function signature ?
Any help or suggestions would be really appreciated, many thanks Russell
index.html
...ANSWER
Answered 2019-Jan-30 at 04:02Is there a way to replace the 'any' keyword in the IProps_Square interface with an explicit function signature
I would just () => void
i.e. a function that takes no arguments and you don't care if it returns anything.
QUESTION
I want to debug a React JS app on Visual Studio Code so i'm following this tutorial: https://code.visualstudio.com/docs/nodejs/reactjs-tutorial
I'm stuck at:
Ensure that your development server is running ("npm start"). Then press F5 or the green arrow to launch the debugger and open a new browser instance.
A new Chrome instance is being opened requesting "http://localhost:3000" but my app is not really running, it seems it just ran the debugger.
If i mannually npm start
my app it runs. So i guess that launch.json
is missing something for Visual Studio Code to start the app with the debugger. That's why i'm stuck at ensuring that my development server is running the command, because i don't know where exactly i check this
This is my launch.json:
...ANSWER
Answered 2017-Aug-20 at 08:59I'm not sure if that's even possible. The tutorial clearly says you should ensure that the development server already runs. So, you'll have to first run npm start
and debug afterwards.
QUESTION
When I figured I would use Visual Studio Code to get a new React JS application started with learning it etc.. I ran across Microsoft site https://code.visualstudio.com/docs/nodejs/reactjs-tutorial In which this shows to
...ANSWER
Answered 2019-Apr-26 at 13:12The serviceWorker support is a part of Create React App (the CLI tool, not React itself). Its official docs are a great place for up-to-date information:
switching
serviceWorker.unregister()
toserviceWorker.register()
will opt you in to using the service worker.
As for learning React, while there are a number of great tutorials out there, you can rely on the official tutorial to always reflect the latest version.
React, being just a view library, doesn't prescribe a standard way to make HTTP requests. You can use any popular request library or just plain old Fetch API, and React will play nice with it.
QUESTION
I was suprised to find today that after following the directions for create-react-app in VSCode that intellisense isnot working as depicted in the article. I've followed similar instructions on a different machine and it worked and the only obvious differences I can spot at a glance is that the machine that was working was running Windows 7 and may have not been using Nodist to manage npm and Node versions.
How can I troubleshoot the intellisense issue? Is there something I've obviously missing from the details I've provided which would prevent intellisense from working as described in the tutorial?
VS Code Info: ...ANSWER
Answered 2018-Feb-16 at 16:20It looks like I've solved my problem. Although I wasn't seeing the same error that was mentioned int the VSCode documentation it turns out that my problem may have been that it was having trouble locating my version of npm.
By following the directions to find my path to Node that is installed with Nodist and following additional instructions for VSCode to set the typescript.npm config setting to this path then things lit up again for me.
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