I'm a newbie in React and I was wondering what is the purpose of registerServiceWorker() in the following code? import React from 'react'; import ReactDOM from 'react-dom'; import App from './App'; import registerServiceW...
i am having troubles setting up webpack build configuration. i have two webpack config files, one for development and one for production. everything works fine in dev environment, but when building for production, i get this error: ReferenceError:...
I've inherited a react/node/prismic application where we need to update the prismic-reactjs package, which resulted in needing to update a few others- in total, we changed: prismic-reactjs: 0.2.0 ? 1.1.0 react: 15.6.1 ? 16.0.0 webpack: 3.12.0...
I've inherited a react/node/prismic application where we need to update the prismic-reactjs package, which resulted in needing to update a few others- in total, we changed: prismic-reactjs: 0.2.0 ? 1.1.0 react: 15.6.1 ? 16.0.0 webpack: 3.12.0...
I'm on a situation where I want to make some dom-node size calculations (top, bottom and size properties of the rendered DOM node) What I'm doing right now, on the componentDidUpdate method is to call findDOMNode on this: componentDidUpdat...
I am using React with Webpack and Babel. I am getting a runtime error: Uncaught ReferenceError: ReactDom is not defined My react version is: "devDependencies": { "phantomjs-polyfill": "0.0.2", "react-addons-te...
Hello i am learning React js and i have came across a problem.When i try to change back to the main page using react router i get the following error: Uncaught TypeError: Cannot read property 'push' of undefined Here is my code, as you...
For my app, I need to render some children, and then measure the resulting div. In pseudo code, it would look something like this: function getDims(child) { var testEl = document.getElementById('test-el'); ReactDOM.render(child, test...
We are trying to scroll to a specific component when the user closes another component. Our example is very similar to that down below, taken from https://reactjs.org/docs/refs-and-the-dom.html#exposing-dom-refs-to-parent-components function Custo...
This has got to be one of the strangest issues with webpack i have ever come across... Check out this bundle breakdown: react 116.01KB - fair enough react-dom 533.24KB - seriously WTF I thought it may be a corruption in my dependencies but nuki...
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