Here’s the priority of the files for the development build and the production build: Dev.: (npm start): .env.development.local, .env.local, .env.development, .env Prod.: (npm run build): .env.production.local, .env.local, .env.production, .env If you ever want to use something in your local environment without being specific to the development build or the production build, you can add some … Read more
I’ve created a codesandbox with a hook to handle long press and click. Basically, on mouse down, touch start events, a timer is created with setTimeout. When the provided time elapses, it triggers long press. On mouse up, mouse leave, touchend, etc, the timer is cleared. useLongPress.js import { useCallback, useRef, useState } from “react”; … Read more
EDIT: create-react-app v2 now have the service worker disabled by default This answer only apply for CRA v1 This is probably because of your web worker. If you look into your index.js file you can see registerServiceWorker(); Never wondered what it did? If we take a look at the file it got imported from we … Read more
First, remember you can open a mobile view in a desktop browser (at least in Chrome and Firefox). See the article for more. It isn’t a substitute of testing on a real mobile device but can help you identify more obvious issues. Second, you need to use the IP address of your computer in your … Read more
Your favicon is in project_root > public > favicon.ico. | `— public | `— favicon.ico Removing it is hard as browser generally uses a cached favicon if it doesn’t find anything. I’d urge you to change it. Just replace the favicon.ico file with an image of your choice. You can even rename a png to … Read more
Thanks this helped me a lot. Just wanting to add to this with an example from a Create-React-App project that had the same solution: I received the same error after deploying to heroku. Uncaught SyntaxError: Unexpected token < after serve -s build For me the problem was in the packages.json file. The “homepage” parameter i … Read more
Try running npx clear-npx-cache to clear your npx cache and then running the npx create-react-app your-app command. Also have a look at this answer on clearing the cache. Additionally, it might be worth trying to force the latest version with: npx create-react-app@latest my-app –use-npm
It is finally possible with Create React App v.3 Just put: { “compilerOptions”: { “baseUrl”: “src” }, “include”: [“src”] } into jsconfig.json or tsconfig.json if you use Typescript Here is wonderful article about this.
There is a better way to make sure source maps are not included. Create .env file in your project root folder and add GENERATE_SOURCEMAP=false. You will get you build without source maps.
As of 14.04.2020 There is an experimental feature in generally available VS Code to enable project wide problem reporting. Add the following to your settings.json: “typescript.tsserver.experimental.enableProjectDiagnostics”: true It is still an experimental feature (after few years of neglect), so it can be both overwhelming and underwhelming at the same time. Good thing is that it … Read more