file-upload-component | Web component based file picker for web | File Upload library
kandi X-RAY | file-upload-component Summary
kandi X-RAY | file-upload-component Summary
A work in progress HTML file upload with customizable upload backend.
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QUESTION
I have a file upload component where I can remove selected files, I tried both this.files.splice(index, 1);
and this.$delete(this.files, index);
if I re-add a removed file with this.files = [...this.$refs.fileUpload.files];
, it doesn't get added in the files array. If I select a different file it does show up, so I'm guessing this is a reactivity issue.
The simplified component:
...ANSWER
Answered 2021-Oct-26 at 09:46I fixed my issue by adding this.$refs.fileUpload.value = null;
after this.$delete(this.files, i);
. This way the files still on the file upload input are reset.
QUESTION
I have a react app where I populate a dropdown with folder names from an backend. When a folder is selected in the dropdown the images in that folder gets rendered in the react app. All works as expected but when looking at the developer tools in chrome I see alot of errors when changing values in the dropdown .
If I have this folders:
...ANSWER
Answered 2020-Apr-27 at 08:00The problem is that when you pass the theme
for second time with the folder2
value, the render code gets to execute before the theme
effect executes moreover that it has a promise to resolve inside, thus render executes 2 times, one with the previous values and one with the new values but both with theme = 'folder2'
. To overcome this issue, you'll have to use useLayoutEffect
to clear the imageNames
array. Doing so, there won't be a render with the previous values but with an empty array for the second render. Apparently there is a render occurring before useLayoutEffect
, so to overcome this issue you can just setup a state variable to check if the current theme is equal to the selected theme; if it isn't you don't render the images, else if it is then render them; you'll set it to the theme
after the image files are fetched and set:
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