How to fix missing script "dev" when i write npm run dev to run react? - javascript

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i use vite and can't run react : enter image description here
cant run react app in visual studio code
// package json : enter image description here

you need to add dev command to scripts in package.json refer: https://docs.npmjs.com/misc/scripts/

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How should I initialize "npm" package in Notepad++? [closed]

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I can't initialize the npm package in Notepad++. I don't know how to do it, because in every video the Youtubers initialize them with the program's terminal, but I think Notepad++ doesn't have a terminal or if it does I can't find it. Can anyone help me please, cause I can't finish my Login system if I don't have that package? Or should I use another program for example Visual Studio? What's the best HTML development program?
Open Terminal or Command Prompt if you are using windows.
go to the folder where your project is using cd command.
Install npm's you need.
The terminal in any code editor is same as operating system terminal.
I will suggest to use VS Code for learning as most tutorials will be using that.

useMemo error after building app with npm run-script build [closed]

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After i use npm run-script build on my react site and run index.html browser throws error TypeError: Object(...) is not a function on this part of code {useMemo(() => <Tabulka/>, [bom,db,skipParams,columnNameMap,tableColumnOrder])}. What should i do to make it work ?
I was actually using useMemo from different library and no from React. Using React useMemo works.

Slow build react project [closed]

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I have created React apps.when I try to build react project using "npm run build" command from terminal,it takes more than 15 minutes to build project.Can any one advise what is the actual problem of this ???
It creates build for production, so it invoke some optimizations
If you want build your app faster you can build with development enviroment without optimizations
For this you can change mode parameter on mode: 'development' in your webpack config

React : Change in node_modules file does not reflect the change in UI [closed]

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Maybe I am doing it wrong. I want to do changes in node_modules folder. Now when I run npm run watch or npm run dev it doesn't get reflected in UI.
Any idea what is wrong?
Try editing from the /dist folder of the library you are trying to edit. Your changes will not reflect if you edit from the source and not from the output bundles.
Note: If you are just logging a result (via console.log) that is fine, but as much as possible, do not edit from the node_modules folder.

Tool to quickly install javascript libraries from the web [closed]

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Is there something like brew for mac to install javascript libraries in the current folder?
Like this:
jsbrew install jquery
jsbrew install angularjs
Thanks.
Have a look at Bower. It's package manager for front-end libraries: http://bower.io/

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