I am very (very) new in frontend technologies, specially react and typescript. My issue come when trying to do a simple thing that is to use a react component https://github.com/ckeditor/ckeditor5 So I went to the examples and found this: https://github.com/ckeditor/ckeditor5-react-example/blob/master/package…
Tag: javascript
How is ESLint integrated into Create React App?
When I run npx create-react-app …, a bare-bone React project is being created for me. When I then peek into package.json, there seems to be some evidence of ESLint to be present, as there is this: However, whenever I install ESLint as a dev dependency and configure it — as I usually do –, VS…
How to position Path2D SVG element in canvas?
I’m drawing a path2D SVG shape on canvas. The problem is that the moveTo function does not seem to work when using SVG data. The problem is illustrated in this codepen. https://codepen.io/grasmachien/pen/rNaJeBN Is there a way to move the path without moving the canvas? Answer Use the transform to move …
How to detect prefers-color-scheme change in javascript?
I can use window.matchMedia to detect whether user is in dark mode, but how to listen dark mode change event? Is there any API like: Answer You can add an event-listener with callback on the MediaQueryList returned by Window.matchMedia(): Note: There are two method versions to register an event-listener: the …
Only send values that have changed in formik onSubmit
I have a small table of data that is pre-filled by an api call on page load. Each row in the table has a facility name and an Enabled value which comes from the api call. If Enabled == true the checkbox is shown as checked. I have a couple checkboxes that are grayed out because of a condition in
Definition for rule ‘react-hooks/exhaustive-deps’ was not found
I am getting the following eslint error after adding // eslint-disable-next-line react-hooks/exhaustive-deps in my code. 8:14 error Definition for rule ‘react-hooks/exhaustive-deps’ was not found I referred to this post to fix this but the solution mentioned doesn’t work in my case. Any clue…
GeoJSON file: Refused to execute script from because its MIME type (”) is not executable, and strict MIME type checking is enabled
My web application has a folder named “data” which has .geojson files. When I tried to access my website from Chrome I can see all .geojson files loaded with “200 OK response” Please find below screenshot. But when I see console logs I am getting “Refused to execute script from b…
Vue.js: v-for behaves different with template literals
Why does v-for behave different when using either numbers or template literals? Here is an example: Answer They are not the same. In the first one, you are using v-for on a string. In which case, vue will loop through the characters and display each of them in a li. In the second one, it’s an integer. I…
How to resolve “Animated: `useNativeDriver` is not supported because the native animated module is missing.” in react-navigation?
I am working on expo SDK Version: 36, and on all platforms (ios/android/web) When installing react-navigation for the first time as described in the documentation and running jest –watch while doing it, and the following warning appeared: It also happen in the browser console: Related issues: https://gi…
With VueJS Cli how should do to have a variable common to all pages and be able to watch it in a page
I’m relatively new to VueJs and I’m stuck on a project and I can’t find a solution online. I want to have a variable commun to all pages (month), and when that variable change I want to be able to do something on my page. Example of what I want to do (simplified) In App.vue In Home.vue or an…