react-toggle-display | Hide/show a component's children It's like ng-show or ng-hide for react | Animation library
kandi X-RAY | react-toggle-display Summary
kandi X-RAY | react-toggle-display Summary
Hide/show a component's children. It's like ng-show or ng-hide for react.
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QUESTION
I'm trying to unit test my React component with Jest. My tests are passing but I get TypeError because of console.error() in try/catch. I think my mock isn't set properly but I tried do it async withour any results. I appreciate any tips.
console.error components/App.js:91 TypeError: Cannot read property 'fetchPoints' of undefined at App.fetchPoints (D:\\components\App.js:87:48) at tryCatch (D:\\node_modules\regenerator-runtime\runtime.js:62:40) at Generator.invoke [as _invoke] (D:\\node_modules\regenerator-runtime\runtime.js:296:22) at Generator.prototype.(anonymous function) [as next] (D:\\node_modules\regenerator-runtime\runtime.js:114:21) at step (D:\\components\App.js:38:191) at D:\\components\App.js:38:437 at new Promise () at App. (D:\\components\App.js:38:99) at App.componentDidMount (D:\\components\App.js:155:30) at D:\\node_modules\react-test-renderer\lib\ReactCompositeComponent.js:262:25 at measureLifeCyclePerf (D:\\node_modules\react-test-renderer\lib\ReactCompositeComponent.js:73:12) at D:\\node_modules\react-test-renderer\lib\ReactCompositeComponent.js:261:11 at CallbackQueue.notifyAll (D:\\node_modules\react-test-renderer\lib\CallbackQueue.js:74:22) at ReactTestReconcileTransaction.close (D:\\node_modules\react-test-renderer\lib\ReactTestReconcileTransaction.js:34:26) at ReactTestReconcileTransaction.closeAll (D:\\node_modules\react-test-renderer\lib\Transaction.js:207:25) at ReactTestReconcileTransaction.perform (D:\\node_modules\react-test-renderer\lib\Transaction.js:154:16) at batchedMountComponentIntoNode (D:\\node_modules\react-test-renderer\lib\ReactTestMount.js:67:27) at ReactDefaultBatchingStrategyTransaction.perform (D:\\node_modules\react-test-renderer\lib\Transaction.js:141:20) at Object.batchedUpdates (D:\\node_modules\react-test-renderer\lib\ReactDefaultBatchingStrategy.js:60:26) at Object.batchedUpdates (D:\\node_modules\react-test-renderer\lib\ReactUpdates.js:95:27) at Object.render (D:\\node_modules\react-test-renderer\lib\ReactTestMount.js:126:18) at Object.create (D:\\components__tests__\App.test.js:26:31) at Object.asyncJestTest (D:\\node_modules\jest-jasmine2\build\jasmine_async.js:108:37) at resolve (D:\\node_modules\jest-jasmine2\build\queue_runner.js:56:12) at new Promise () at mapper (D:\\node_modules\jest-jasmine2\build\queue_runner.js:43:19) at promise.then (D:\\node_modules\jest-jasmine2\build\queue_runner.js:87:41) at at process._tickCallback (internal/process/next_tick.js:188:7)
App.test.js
I tried to use mount() and fetchPoints to return Promise.resolve().
...ANSWER
Answered 2018-Aug-20 at 13:02Spies and stubs should be created for each test:
QUESTION
I've done a fair amount of searching through StackO trying to find an answer but I keep coming up with the same error, unexpected token
Whenever I use the text decorator transpile to correct the error, I still get the same problem in my component.
My error is this:
...ANSWER
Answered 2017-Jun-25 at 14:06In your package.json file
QUESTION
I have written a small test case to test a ThankYouPage component which looks like below
...ANSWER
Answered 2018-Jun-19 at 06:47try installing
npm i --save-dev enzyme enzyme-adapter-react-16
Add transform-class-properties to .babelrc file like below -
QUESTION
I have multiple posts which I am getting from an api request. I would like there to be a toggle for each post, so someone can click it and the rest of the information for the post will show up. How I currently have it set up when the click the toggle "Show More" it opens up all the displays for all of the posts. I'm using the NPM react-toggle-display package. How can I set it up so each post can toggle it displays simultaneously from the other posts?
Posts.js:
...ANSWER
Answered 2018-Aug-09 at 23:51You could make show
into an object where each key is a post
id with a boolean value that you can use for showing that particular post instead.
Example
QUESTION
I have a component which renders if its prop.paramA is different from paramA value stored in cookie.
Following is my attempt to move the cookie management logic into a separate component. The problem is that the question component gets rendered only once when showQuestion is false so I never get to see the question.
Currently, my code looks like below
...ANSWER
Answered 2018-May-04 at 12:23You're reading from state here:
QUESTION
router link mouseenter event is not working.when i put the cursor on router link it does not change the routes. my router link working properly but i want to working on mouseenter event. please suggest me some way how can i solve this problem
...ANSWER
Answered 2018-Apr-10 at 05:40React Router's Link is designed to be a click event not a mouse enter event. You can do it another way around by using state change when you do a mouse enter. Following is a pseudo code.
QUESTION
I have an [Available Team] array that populates under (Available Team Members) as buttons. I would like that when one is clicked that it generates a child button under (Alpha Team Members) with the same name of the parent. When the same parent is clicked again I would like the child to be removed from (Alpha Team Members). (Omega Team Members) are randomly generated.
My problem is that the click handlers complete this function for all the buttons at once and not just the one clicked and when clicked it shuffles the randomly generated (Omega Team Members) which it should not do... Help would be appreciated. Thank you in advance.
...ANSWER
Answered 2018-Jan-24 at 14:08I hope i understood you correctly, so here my solution:
Your logic for a dynamic display of the player buttons is missing, you just toggle the buttons on and off. Your handleClick function does not work differently based on which player button you click.
Therefore you have to pass a parameter to the handleClick, i'd suggest the player. Then you need to push each player you want to display in your alphaTeam array. That array has to be displayed in a loop aswell (presumably if you want to display more than one player there).
For the shuffle part, your handleClick function sets the state for your App Component, what causes React to rerender the App, therefore shuffling your OmegaTeam again. You should consider moving the shuffle as well as the initalization of your AvailableTeam in the contructor / state.
Here my suggestions, i didn't test it though:
QUESTION
Hi all I have this problem were I am trying to get JEST to skip my css files when I run npm test. For some reason no matter what I do it keeps trying to load those files. I tried following https://facebook.github.io/jest/docs/en/webpack.html and I followed both solutions.
Here is the error I get
...ANSWER
Answered 2017-Sep-20 at 06:13You have put the jest
section under devDependencies
it should be on the root of package.json
.
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