I’m learning Javascript and getting started with React. I’m attempting to build a Materials-UI’s DataGrid and need to structure my data accordingly. I have the following piece of code that prepares the Rows and Columns for DataGrid but I feel it may be “slow” and wondering if I c…
Tag: reactjs
Storybook not showing styles
I have a dialog component which is using the Primereact dialog internally. When I make a storybook for the same, the custom css for button is being imported as it is imported inside dialog.jsx. But the default css of Primereact dialog is not loading and reflecting in the storybook. Although it is being loaded…
TypeError: Object(…) is not a function (React)
I was following a tutorial on how to add google maps to a react/expo javascript project. I am new to the javascript language and have had a bug that I cannot find an answer to. when compiling the app I am given the error “TypeError: Object(…) is not a function”. here is the link to the tutor…
I can’t display nested route in different view
I’ve been trying to display a component in a different view from the parent component but what I get is the two components displayed in the same view, first parent component, and right below, child component when the Link is clicked. It’s a simple shopping cart (/cart) and after clicking Pay you s…
Brightcove video player events for React
Need: I want to get the onComplete event (like the answer here: How to detect the end of a BrightCove Video?) but not able to hook it up to the react version – the documentation link in the answer also returns a 404 MVCE: Using the codepen on https://player.support.brightcove.com/coding-topics/react-pla…
Creating an image from an svg is not working
I have been trying to create an image (using the window.Image class) out of an DataURL. This DataURL contains a svg tag and a foreignObject. But it just stays completely empty. I also tried to draw this image on a canvas, but I don’t think that’s the problem since I can’t even get a correctl…
Toggle not working for material ui check boxes when printed in loop
I am trying to print checkboxes of 4 per a row, where row and values of these checkboxes comes dynamically (row count may vary ) below is my jsx code After fetching the matix data I am setting state variable const[checked, setChecked] = useState([]) as below what I have tried, is since my rows which are chang…
Cannot read property ‘path’ of undefined while uploading image upload on the frontend(react)
I am trying to upload an image on the frontend, but this is not working, I am getting the error below When I log req.file on the backend and try to upload on the frontend, I get undefined in the console, but this gets logged for req.body Image upload works fine on the backend via Postman. Here is the frontend
State from react useState is updated when key property is used but requires useEffect or similar method to update otherwise
I have the following component: It is rendered via the following component: It renders the following list: As you can see props.text and useState item from props.text are rendered equally. If props.text is updated it does not reflect on useState though. https://stackoverflow.com/a/53846698/3850405 I can solve…
Keeping a consistent parentId/id relationship with a flatten function
Suppose I have a nested object list like this: The object anatomy is simple: id, name, children (if any) and parentId. I’m using this flatten function that turns the nested object into a flat array: The thing is that the parentId value is not always persistent for every object, and therefore when the ob…