carbon-components-svelte/docs/src/pages/components/FileUploader.svx

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---
components: ["FileUploaderButton", "FileUploader", "FileUploaderDropContainer", "FileUploaderItem", "FileUploaderSkeleton"]
---
<script>
import { FileUploaderButton, FileUploader, FileUploaderDropContainer, FileUploaderItem, FileUploaderSkeleton, UnorderedList, ListItem } from "carbon-components-svelte";
import Preview from "../../components/Preview.svelte";
</script>
## File uploader (button-only)
By default, the file uploader only accepts one file.
Set `multiple` to `true` for multiple files to be accepted.
<FileUploaderButton labelText="Add file" />
## Multiple files
<FileUploaderButton multiple labelText="Add files" />
## Custom button kind, size
By default, the `primary` small button kind is used.
Use the `kind` and `size` props to customize the button.
<FileUploaderButton kind="secondary" size="field" />
<FileUploaderButton kind="tertiary" size="default" />
<FileUploaderButton kind="danger" size="lg" />
<FileUploaderButton kind="danger-tertiary" size="xl" />
## File uploader
The `FileUploader` wraps `FileUploaderButton` and lists out uploaded files.
The example below accepts multiple files with an extension of `.jpg` or `.jpeg`. It sets the status to `"complete"`; by default, the status is `"loading"`.
See the [item examples below](#item-uploading) for different statuses.
<FileUploader multiple labelTitle="Upload files" buttonLabel="Add files" labelDescription="Only JPEG files are accepted." accept="{['.jpg', '.jpeg']}" status="complete" />
## Clear files
There are two ways to clear files in `FileUploader`:
<UnorderedList svx-ignore style="margin-bottom: var(--cds-spacing-08)">
<ListItem>programmatically using the <strong>clearFiles</strong> accessor</ListItem>
<ListItem>two-way binding by setting <strong>files</strong> to <strong>[]</strong></ListItem>
</UnorderedList>
<FileSource src="/framed/FileUploader/FileUploaderClearFiles" />
## File uploader (disabled state)
<FileUploader disabled multiple labelTitle="Upload files" buttonLabel="Add files" labelDescription="Only JPEG files are accepted." accept="{['.jpg', '.jpeg']}" status="complete" />
## Item (uploading)
<FileUploaderItem name="README.md" status="uploading" />
## Item (complete)
<FileUploaderItem name="README.md" status="complete" />
## Item (edit)
If the `status` is `"edit"`, clicking the close icon will dispatch a `delete` event.
The event detail contains the item `id`.
<FileUploaderItem id="readme" name="README.md" status="edit" on:delete={(e) => {
console.log(e.detail); // "readme"
}} />
## Item (edit status, invalid state)
An item can also have an edit status with an invalid state.
<FileUploaderItem invalid id="readme" name="README.md" status="edit" on:delete />
## Item (edit status, invalid state with subject, body)
Use the `errorSubject` and `errorBody` props to customize the error message.
<FileUploaderItem
invalid
id="readme"
name="README.md"
errorSubject="File size exceeds 500kb limit"
errorBody="Please select a new file."
status="edit"
on:delete
/>
## Item sizes
The default `FileUploaderItem` size is "default".
<FileUploaderItem size="default" name="README.md" status="uploading" />
<FileUploaderItem size="field" name="README.md" status="uploading" />
<FileUploaderItem size="small" name="README.md" status="uploading" />
## Drop container
The `FileUploaderDropContainer` accepts files through click and drop events.
Use the `validateFiles` prop to filter out files before they are set.
The following example accepts files smaller than 1 kB.
<FileUploaderDropContainer
multiple
labelText="Drag and drop files here or click to upload"
validateFiles={files => {
return files.filter(file => file.size < 1_024)
}}
on:change={e=> {
console.log("files", e.detail)
}}
/>
## Skeleton
<FileUploaderSkeleton />