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I used react on several of my project is that it was well passed, but it is last time I saw that there is a react-hot-reload
What is react-hot-loader?
What is its use?
difference between Hot Module Replacement in Webpack and React Hot Loader ?
What is the advantage it will bring to the workflow?
how it works behind
can anyone explain me plz :)
React Hot Loader is a React library used to edit your code and automatically reflect that change in your running app while keeping the components mounted, which means you don't need to refresh your browser and you won't lose your current state. It's pretty convenient as you won't have to go step-by-step to test a specific state in your app every time you make a change in the code.
Your workflow would be faster, simpler and more comfortable.
Here's a live demo: http://gaearon.github.io/react-hot-loader/
Edit: React Hot Loader is now deprecated, use React Fast Refresh
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Hi is there an event that detects changes to the js code so you could change the version number evertime you do something with the code
I am to lazy to change the version number on my site every time I work on it :)
There are a lot of ways to do this, which is the good news. The bad news is that the most appropriate method for your project will depend very heavily on the details of how your project is set up, what method you use to deploy it, and so on. Generally things like automatic version increments on deployment are done by CI/CD tools, and that's a large field. You'll have to do some research on your own, with your project specifics as well as your needs in mind, to decide on the best solution. For example, if this is a private project and you don't want to bother with semantic versioning you can simply increment a counter, whereas a more elaborate project might have more complicated requirements.
Your question is tagged with javascript, although it's not clear what package manager you're using (if any). If you're working with npm or yarn you can use push or commit hooks, which is perhaps the simplest option.
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I'm learning ReactJS, I know that react is about declaring the way something should render, giving it some data and poof, when the data changes, it renders those changes.
But if I want to manipulate the DOM, an example change a color, create a accordion, make animations, add and remove a class, etc.
React can do that? Could I migrate my jQuery projects to Reactjs without any problem?
There are many approaches for that task, a complete list is here in the official Docs. Either use React as a Wrapper on top of your jQuery Application or Translate your jQuery App to a React App.
From the official Docs
React is unaware of changes made to the DOM outside of React. It determines updates based on its own internal representation, and if the same DOM nodes are manipulated by another library, React gets confused and has no way to recover.
This does not mean it is impossible or even necessarily difficult to combine React with other ways of affecting the DOM, you just have to be mindful of what each is doing.
The easiest way to avoid conflicts is to prevent the React component from updating. You can do this by rendering elements that React has no reason to update, like an empty .
Here is a medium article that may help you.
How-my-team-converted-our-website-from-jquery-to-react-in-small-steps
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I wonder if writing react components as HTML first can be a good idea to plan the project or it is actually a bad idea and time consuming??
Though, this is primarily opinion based question, the react documentation simply states to follow these rules:
Start With A Mock
Break The UI Into A Component Hierarchy
Build A Static Version in React
Identify The Minimal (but complete) Representation Of UI State
Identify Where Your State Should Live
Add Inverse Data Flow
See Thinking in React for more info.
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We have some very old tables which we do not use. I am planning to remove those. My initial plan is to rename the tables and test if our application is affected anyway. But I am not sure how to test the application and make sure that it's not affected.
Ideally, you should have tests for your application, which are going to break if anything is using the deleted tables.
Assuming that you don't have tests, the next best way is to run a global search in your codebase and look for those models / table names being used in the code. If you still don't feel confident, you can manually go through every page and make sure that nothing is broken. Depending on the size of your app, that might be really slow and painful, but it's what you get for not writing tests from the start :P
Good luck!
Run all your automated tests. If you don't have any, right now is always the best time to start adding them.
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I'm about to choose whether to use React Navigation or to use React Router Native, I thought that React Navigation is better, but then I found some feedbacks like this react navigation issue, ps: React Router Native has similar API to React Router which seems very simple, I'm still lost! I need an advice
In my experience React Navigation works like a charm. It uses native-alike layouts if you don't wanna create your own, and let you customize them via props as you wish. It also lets you navigate inside functions without the need of redux actions, which i think are a must in React Router.
The main problem of React Navigation is its documentation, which is pretty lackluster. It has no complex examples, only simple stuff, so you have to lurk a little bit to do some stuff if your app starts getting complex, with a lot of nests.
Even so, the only hard to solve problem i really had with React Navigation was when i had a Stack Navigator (2nd) inside a Drawer Navigator which was nested inside a main Stack Navigator (1st), which back then wouldn't let me change the main header from within the 2nd Stack Navigator. This could be worked around by putting the 2nd Stack Navigator directly inside the main one.