I am currently working on a trail mapping Next.js react app where I fetch data from OpenStreetMap and illustrate trails on a map using leaflet polyline. Some trails have the tag oneway= 'yes' which I would like to represent visually…
The header should slide up with some animation and be hidden when scrolling down the page. When scrolling up, the header should slide down and be visible. When scrolling up the style should be translateY(0) otherwise the DOM element should…
I need a button to be enabled when all the checkboxes in a table are checked and disabled otherwise. Outer component with button: import Box from "@mui/system/Box"; import Stack from "@mui/system/Stack"; import ArrowBackIcon from "@mui/icons-material/ArrowBack"; import { useState } from…
I am using the DashboardLayout from MUI on my page https://mui.com/toolpad/core/react-dashboard-layout/ https://mui.com/toolpad/core/api/dashboard-layout/#slots I'm trying to set the sidenav bar to closed instead of open, but I haven't been able to do it successful. in my efforts. There doesn't appear to…
I am working on a Next.Js-TypeScript project. Everything was fine. Suddenly I get a VS Code warning that I have to write import React from “react” in the .tsx files where I have used Fragment (<></>) of React. But everything…
The fields that are available in Strapi don't appear in GraphQL schema (GraphiQL playground) I tried everything: all permissions are given in the Roles; deep population works, gatsby-source-strapi is configured (except for dynamic zones (for my sections' components) that I…
How is React able to update only the parts of the DOM that require updating (because they've changed) as opposed to re-rendering the entire DOM? From what I understand, regular HTML/Javascript web pages react to changes in the DOM by…
vite.config.ts import { defineConfig } from 'vite' import react from '@vitejs/plugin-react' import path from 'path' // https://vitejs.dev/config/ export default defineConfig({ plugins: [react()], resolve: { alias: { "@": path.resolve(__dirname, './src'), }, }, }) tsconfig.json { "files": [], "references": [{ "path": "./tsconfig.app.json"…
I'm trying to use pdfjs in a react+ts project. import React from "react"; import * as pdfjs from "pdfjs-dist" export default function EditPdf() { React.useEffect(()=>{ const doc = pdfjs.getDocument("helloworld.pdf"); doc.promise.then((pdf)=>{ console.log(pdf) }) },[]) return ( <div> content </div> ) }…
I am trying to try out new features of React 19. In order to do that, I have created React app with Vite and TypeScript: npm create vite@latest Then upgraded to React 19 libraries (accoridngly to this article): npm install…