Questions tagged [react-16]
92 questions
0
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0 answers
React: not getting values of the fields
I have the following implementation of the address fields. This will be a re-usable component which can be used with any forms to display address fields such as city, zipcode etc.
Now I am able to see address fields in any form by using.
import…

Dushyant Joshi
- 3,672
- 3
- 28
- 52
0
votes
1 answer
React16 Two components communicating
ReactJS Two components communicating, in angular, we are simply using service best way, but here I am new in react 16.

Gopal Meena
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- 1
- 2
- 8
0
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1 answer
React how to delete properties from state
I'm trying to replace whole state or at least delete all properties from it.
Before react 16 I just called these two lines
this.state = {}
this.forceUpdate()
With update to react 16, this didn't work anymore.
Currently I have this workaround in…

JD2k
- 48
- 1
- 7
0
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1 answer
Enzyme not working properly with react 16 (react create app)
I am trying to write some basic tests, but find, closest and other traversing functions seem not to work
My setup is react 16 (create-react-app) and jest
import React from 'react';
import Overview from './Overview';
import Enzyme, { shallow, mount…

jeff
- 1,169
- 1
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0
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1 answer
Wrapping multiple react-router routes in error boundary
How do you wrap one or more routes in an error boundary component?
I am using React version 16 and have tried wrapping two routes in error boundaries but am experiencing some unexpected behaviour.
I do not get any error messages at all - but one…

Kermit
- 2,865
- 3
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- 53
0
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0 answers
setState Before Route Change
I have an authentication state that I use through the Provider/Consumer context API in React 16.
I initially set the state of this property in my main App to false and then for any restricted components (i.e. that require being authenticated) I make…

Adam Thompson
- 3,278
- 3
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- 37
0
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0 answers
Upgraded to React v16, seeing Error: parentComponent must be a valid React Component
I added a new component to my project via a private NPM package. It has the following dependencies as indicated in my project's system.config.js:
"npm:dialog@0.6.4": {
"material-ui": "npm:material-ui@0.19.4",
"prop-types":…

Bob Smith
- 505
- 3
- 10
- 27
0
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1 answer
How to use 3rd party react lib with React.Fragments in React 15
Here's my problem
Building a React Component Library in React 16.3 and using React.Fragments.
Sadly this needs to support a few different React sites including one which includes React 15.4.1.
When trying to use a component which has React.Fragment…

StevieB
- 6,263
- 38
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- 193
0
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0 answers
Callback function after window loaded/document ready with ReactJS
Hei,
I have an question that how can we callback function when the window is loaded/ document is ready in ReactJS app. In my case, I want to have geolocation and store the location when the React App finish loading so user will have the answer…

trungh13
- 167
- 1
- 3
- 10
0
votes
1 answer
What happens when I add a module to the Global React object?
Is it expensive to add a module to the 'global' within react? I wish to have a module avilable when needed without having to rely upon importing it into each file.
I am adding the following into the 'index.jsx' file:
import axios from…

quinton
- 353
- 1
- 6
- 14
0
votes
2 answers
React 16v - Uncaught TypeError: Cannot read property 'bool' of undefined
I updated my project's react version from 15.3.1 to 16.2.0. I'm getting the following runtime error message.
Uncaught TypeError: Cannot read property 'bool' of undefined
at eval (Transition.js?0efa:259)
at Object.…

Sarani Mendis
- 54
- 8
0
votes
1 answer
Does componentDidCatch() catches error from promise or event handler binded to a component
On React 16, let's say I have a component like
class Profile extends React.Component {
onClick = () => {
throw new Error("Oh nooo!");
});
};
componentDidCatch(error, info) {
alert(error)
}
render() {
return (

lucasdeassis
- 63
- 4
0
votes
1 answer
How Can I Fix this Error with Karma & React 16.2.0?
I have this Karma configuration (with React 16.2.0):
const isArray = require('lodash/lang/isArray');
const merge = require('lodash/object/merge');
const path = require('path');
const webpack = require('webpack');
const ExtractTextPlugin =…

Héctor
- 36
- 3
0
votes
2 answers
Propagation of setState changes in React
I have an React application that has the following structure:
component A is composed of B and C
If I call setState in component B, will component A and C be also notified (meaning they will also re-render at least enter reconciliation phase)?

zmii
- 4,123
- 3
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- 64
0
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0 answers
Using React 14 component from React 16 App
We use a React component package which provides some reusable components such as Button, Form, TreeView etc... That package is developed on top of React 14.
We want to develop a new application using React 16 and utilize this component package…

Mehmet Ataş
- 11,081
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- 78