I'm using Preact as my View framework (can NOT use React due to the Facebook IP problems).  I needed to use React Router for the location routing because it has more flexibility than the Preact Router that the same team built.  I managed to get R...

React 16 triggers componentDidMount() when going back in Safari, even tho the component never unmounted. How does react know when to mount?  class Foo extends React.Component {   state = {     loading: false   }    componentDidMount() {     // when g...

I have a really simple React library that I use with my own state management.  It's just a Higher Order Component:  import React from 'react'; /**  *   * @param {Object} state - Reference to SubState instance   * @param {Object} chunk  -...

I'm using Preact (for all intents and purposes, React) to render a list of items, saved in a state array. Each item has a remove button next to it. My problem is: when the button is clicked, the proper item is removed (I verified this several tim...

I am working on a project which was initiated by preact-cli.  I have a build script which bundles up my application. The webpack configuration is already defined in preact-cli globally, but I can modify it from preact.config.js.  I checked that there...

I am designing a drop-down component in React/Preact. The interaction of the dropdown is as shown below:    For the obvious reasons that component can be anywhere on the page and any ancestor DOM element can create new stacking context or use overfl...

I am trying to change some text in a preact component based on an object the user clicks in this threejs scene. I am using Matt DesLauriers' template for this app as I wanted to see how professionals might do it. This is the first time I have use...

I've been trying to implement an onclick modal close in my system. I already implemented a modal onclick event using a close button but haven't done it successfully when clicking outside the modal  I already tried adding onclick listener on t...

I am using preactjs to create my application. On top of this, I am using kendo grid. Inside the grid, I want to show a hyperlink. if the user clicks on the link, it should change the route. To render the link, i am using preact-router.   Here is the...

I have a custom input component:  function Input({ field }) {   return <input {...field} />; }   that is used in a Formik's <Field /> component:  <Field name="subject" component={Input} />  And a validation function on t...