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Demos

Upload (default)

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Tillatte filformater:
JPG, PNG
Maks filstørrelse:
5 MB
<Upload acceptedFileTypes={['jpg', 'png']} id="upload-basic" />

'useUpload' React Hook

By using the Upload.useUpload you can remove or add files or the status displayed in the component.

You can also use the file blob in combination with the FileReader API.

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Tillatte filformater:
JPG, PNG
Maks filstørrelse:
5 MB
const Component = () => {

  const { files, setFiles } = Upload.useUpload('upload-remove-files')

  return (

    <>

      <Upload

        acceptedFileTypes={['jpg', 'png']}

        id="upload-remove-files"

      />



      <Button

        top="small"

        disabled={files.length < 1}

        onClick={() => setFiles([])}

      >

        Remove selected files

      </Button>



      <Preview files={files} />

    </>

  )



  function Preview({ files }) {

    const [images, setImages] = React.useState([])

    React.useEffect(() => {

      files.map(({ file }) => {

        let reader = new FileReader()

        reader.addEventListener(

          'load',

          (event) => {

            images.push({

              blob: event.target,

              file,

            })

            setImages([...images])

            reader = null

          },

          false

        )

        reader.readAsDataURL(file)

      })

    }, [files])

    return (

      <Section aira-label="List of choosen images">

        {images.map((img, i) => (

          <Img

            top

            key={i}

            src={img.blob.result}

            alt={img.file.name}

            height={100}

          />

        ))}

      </Section>

    )

  }

}



render(<Component />)

Upload single file/fixed amount of files

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Tillatte filformater:
JPG, PNG
Maks filstørrelse:
5 MB
Maks antall filer:
1
const Component = () => {

  const { files, setFiles } = Upload.useUpload('upload-single-file')



  if (files.length) {

    console.log('files', files, setFiles)

  }



  return (

    <Upload

      acceptedFileTypes={['jpg', 'png']}

      id="upload-single-file"

      filesAmountLimit={1}

    />

  )

}



render(<Component />)

Upload loading state

When uploading the file you can set the loading state of the request using the Upload.useUpload hook and passing isLoading to the file that is being uploaded.

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Tillatte filformater:
JPG, PNG
Maks filstørrelse:
5 MB
const Component = () => {

  const { files, setFiles } = Upload.useUpload('upload-is-loading')

  useMockFiles(setFiles, {

    isLoading: true,

  })

  return (

    <>

      <Upload acceptedFileTypes={['jpg', 'png']} id="upload-is-loading" />

      <ToggleButton

        top="small"

        disabled={files.length < 1}

        on_change={({ checked }) =>

          setFiles(

            files.map((fileItem) => {

              return { ...fileItem, isLoading: checked }

            })

          )

        }

      >

        Files is loading toggle

      </ToggleButton>

    </>

  )

}



render(<Component />)

Upload error message

The only checks we do currently is for the file size and the file type. These errors are handled by the HTML element ´input´ so they aren't selectable. If you want any other error messages you can use the Upload.useUpload the same way as with the loading state.

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Tillatte filformater:
JPG, PNG
Maks filstørrelse:
5 MB
const Component = () => {

  const { files, setFiles } = Upload.useUpload('upload-error-message')

  return (

    <>

      <Upload

        acceptedFileTypes={['jpg', 'png']}

        id="upload-error-message"

      />

      <ToggleButton

        top="small"

        disabled={files.length < 1}

        on_change={({ checked }) => {

          setFiles(

            files.map((fileItem) => {

              return {

                ...fileItem,

                errorMessage: checked ? 'custom error message' : null,

              }

            })

          )

        }}

      >

        Toggle error message

      </ToggleButton>

    </>

  )

}



render(<Component />)

Upload specific accepted file formats

You can pass the file formats as a string array. This will restrict which files that can be selected.

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Tillatte filformater:
PNG, JPG, PDF
Maks filstørrelse:
5 MB
const Component = () => {

  const { files, setFiles } = Upload.useUpload('upload-accepted-formats')



  if (files.length) {

    console.log('files', files, setFiles)

  }



  return (

    <Upload

      acceptedFileTypes={['png', 'jpg', 'pdf']}

      id="upload-accepted-formats"

    />

  )

}



render(<Component />)

Upload with prefilled error

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Tillatte filformater:
JPG, PNG
Maks filstørrelse:
5 MB
const Component = () => {

  const { files, setFiles } = Upload.useUpload('file-list')



  if (files.length) {

    console.log('files', files)

  }



  useMockFiles(setFiles, {

    errorMessage: 'This is no real file!',

  })

  return <Upload acceptedFileTypes={['jpg', 'png']} id="file-list" />

}



render(<Component />)