Multi File Upload List

import Cmp from "@/registry/origin-ui/comp-549";

export default function Demo() {
  return <Cmp />;
}

"use client";

import {
  AlertCircleIcon,
  FileArchiveIcon,
  FileIcon,
  FileSpreadsheetIcon,
  FileTextIcon,
  FileUpIcon,
  HeadphonesIcon,
  ImageIcon,
  VideoIcon,
  XIcon,
} from "lucide-react";

import {
  formatBytes,
  useFileUpload,
} from "@/registry/origin-ui/use-file-upload";
import { Button } from "@/components/ui/button";

// Create some dummy initial files
const initialFiles = [
  {
    id: "document.pdf-1744638436563-8u5xuls",
    name: "document.pdf",
    size: 528737,
    type: "application/pdf",
    url: "https://example.com/document.pdf",
  },
  {
    id: "intro.zip-1744638436563-8u5xuls",
    name: "intro.zip",
    size: 252873,
    type: "application/zip",
    url: "https://example.com/intro.zip",
  },
  {
    id: "conclusion.xlsx-1744638436563-8u5xuls",
    name: "conclusion.xlsx",
    size: 352873,
    type: "application/xlsx",
    url: "https://example.com/conclusion.xlsx",
  },
];

const getFileIcon = (file: { file: File | { type: string; name: string } }) => {
  const fileType = file.file instanceof File ? file.file.type : file.file.type;
  const fileName = file.file instanceof File ? file.file.name : file.file.name;

  if (
    fileType.includes("pdf") ||
    fileName.endsWith(".pdf") ||
    fileType.includes("word") ||
    fileName.endsWith(".doc") ||
    fileName.endsWith(".docx")
  ) {
    return <FileTextIcon className="size-4 opacity-60" />;
  }
  if (
    fileType.includes("zip") ||
    fileType.includes("archive") ||
    fileName.endsWith(".zip") ||
    fileName.endsWith(".rar")
  ) {
    return <FileArchiveIcon className="size-4 opacity-60" />;
  }
  if (
    fileType.includes("excel") ||
    fileName.endsWith(".xls") ||
    fileName.endsWith(".xlsx")
  ) {
    return <FileSpreadsheetIcon className="size-4 opacity-60" />;
  }
  if (fileType.includes("video/")) {
    return <VideoIcon className="size-4 opacity-60" />;
  }
  if (fileType.includes("audio/")) {
    return <HeadphonesIcon className="size-4 opacity-60" />;
  }
  if (fileType.startsWith("image/")) {
    return <ImageIcon className="size-4 opacity-60" />;
  }
  return <FileIcon className="size-4 opacity-60" />;
};

export default function Component() {
  const maxSize = 100 * 1024 * 1024; // 10MB default
  const maxFiles = 10;

  const [
    { files, isDragging, errors },
    {
      handleDragEnter,
      handleDragLeave,
      handleDragOver,
      handleDrop,
      openFileDialog,
      removeFile,
      clearFiles,
      getInputProps,
    },
  ] = useFileUpload({
    initialFiles,
    maxFiles,
    maxSize,
    multiple: true,
  });

  return (
    <div className="flex flex-col gap-2">
      {/* Drop area */}
      <div
        className="flex min-h-40 flex-col items-center justify-center rounded-xl border border-input border-dashed p-4 transition-colors hover:bg-accent/50 has-disabled:pointer-events-none has-[input:focus]:border-ring has-disabled:opacity-50 has-[input:focus]:ring-[3px] has-[input:focus]:ring-ring/50 data-[dragging=true]:bg-accent/50"
        data-dragging={isDragging || undefined}
        onClick={openFileDialog}
        onDragEnter={handleDragEnter}
        onDragLeave={handleDragLeave}
        onDragOver={handleDragOver}
        onDrop={handleDrop}
        role="button"
        tabIndex={-1}
      >
        <input
          {...getInputProps()}
          aria-label="Upload files"
          className="sr-only"
        />

        <div className="flex flex-col items-center justify-center text-center">
          <div
            aria-hidden="true"
            className="mb-2 flex size-11 shrink-0 items-center justify-center rounded-full border bg-background"
          >
            <FileUpIcon className="size-4 opacity-60" />
          </div>
          <p className="mb-1.5 font-medium text-sm">Upload files</p>
          <p className="mb-2 text-muted-foreground text-xs">
            Drag & drop or click to browse
          </p>
          <div className="flex flex-wrap justify-center gap-1 text-muted-foreground/70 text-xs">
            <span>All files</span>
            <span>∙</span>
            <span>Max {maxFiles} files</span>
            <span>∙</span>
            <span>Up to {formatBytes(maxSize)}</span>
          </div>
        </div>
      </div>

      {errors.length > 0 && (
        <div
          className="flex items-center gap-1 text-destructive text-xs"
          role="alert"
        >
          <AlertCircleIcon className="size-3 shrink-0" />
          <span>{errors[0]}</span>
        </div>
      )}

      {/* File list */}
      {files.length > 0 && (
        <div className="space-y-2">
          {files.map((file) => (
            <div
              className="flex items-center justify-between gap-2 rounded-lg border bg-background p-2 pe-3"
              key={file.id}
            >
              <div className="flex items-center gap-3 overflow-hidden">
                <div className="flex aspect-square size-10 shrink-0 items-center justify-center rounded border">
                  {getFileIcon(file)}
                </div>
                <div className="flex min-w-0 flex-col gap-0.5">
                  <p className="truncate font-medium text-[13px]">
                    {file.file instanceof File
                      ? file.file.name
                      : file.file.name}
                  </p>
                  <p className="text-muted-foreground text-xs">
                    {formatBytes(
                      file.file instanceof File
                        ? file.file.size
                        : file.file.size,
                    )}
                  </p>
                </div>
              </div>

              <Button
                aria-label="Remove file"
                className="-me-2 size-8 text-muted-foreground/80 hover:bg-transparent hover:text-foreground"
                onClick={() => removeFile(file.id)}
                size="icon"
                variant="ghost"
              >
                <XIcon aria-hidden="true" className="size-4" />
              </Button>
            </div>
          ))}

          {/* Remove all files button */}
          {files.length > 1 && (
            <div>
              <Button onClick={clearFiles} size="sm" variant="outline">
                Remove all files
              </Button>
            </div>
          )}
        </div>
      )}

      <p
        aria-live="polite"
        className="mt-2 text-center text-muted-foreground text-xs"
        role="region"
      >
        Multiple files uploader w/ list ∙{" "}
        <a
          className="underline hover:text-foreground"
          href="https://github.com/cosscom/coss/blob/main/apps/origin/docs/use-file-upload.md"
        >
          API
        </a>
      </p>
    </div>
  );
}