mirror of
https://github.com/shishantbiswas/bknd.git
synced 2026-03-16 04:27:21 +00:00
optimize elements by reducing the bundle size required
This commit is contained in:
dswbx
494
app/src/ui/elements/media/Dropzone.tsx
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494
app/src/ui/elements/media/Dropzone.tsx
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@@ -0,0 +1,494 @@
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import {
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type ComponentPropsWithRef,
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type ComponentPropsWithoutRef,
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type RefObject,
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memo,
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useEffect,
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useRef,
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useState
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} from "react";
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import { TbDots } from "react-icons/tb";
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import { twMerge } from "tailwind-merge";
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import { IconButton } from "ui/components/buttons/IconButton";
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import { Dropdown } from "ui/components/overlay/Dropdown";
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import { type FileWithPath, useDropzone } from "./use-dropzone";
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export type FileState = {
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body: FileWithPath | string;
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path: string;
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name: string;
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size: number;
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type: string;
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state: "pending" | "uploading" | "uploaded" | "failed" | "initial" | "deleting";
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progress: number;
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};
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export type DropzoneRenderProps = {
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wrapperRef: RefObject<HTMLDivElement>;
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inputProps: ComponentPropsWithRef<"input">;
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state: {
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files: FileState[];
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isOver: boolean;
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isOverAccepted: boolean;
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showPlaceholder: boolean;
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};
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actions: {
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uploadFile: (file: FileState) => Promise<void>;
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deleteFile: (file: FileState) => Promise<void>;
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openFileInput: () => void;
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};
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dropzoneProps: Pick<DropzoneProps, "maxItems" | "placeholder" | "autoUpload">;
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};
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export type DropzoneProps = {
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getUploadInfo: (file: FileWithPath) => { url: string; headers?: Headers; method?: string };
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handleDelete: (file: FileState) => Promise<boolean>;
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initialItems?: FileState[];
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maxItems?: number;
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overwrite?: boolean;
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autoUpload?: boolean;
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onRejected?: (files: FileWithPath[]) => void;
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onDeleted?: (file: FileState) => void;
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onUploaded?: (file: FileState) => void;
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placeholder?: {
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show?: boolean;
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text?: string;
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};
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children?: (props: DropzoneRenderProps) => JSX.Element;
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};
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export function Dropzone({
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getUploadInfo,
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handleDelete,
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initialItems = [],
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maxItems,
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overwrite,
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autoUpload,
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placeholder,
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onRejected,
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onDeleted,
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onUploaded,
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children
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}: DropzoneProps) {
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const [files, setFiles] = useState<FileState[]>(initialItems);
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const [uploading, setUploading] = useState<boolean>(false);
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const inputRef = useRef<HTMLInputElement>(null);
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const [isOverAccepted, setIsOverAccepted] = useState(false);
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function isMaxReached(added: number): boolean {
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if (!maxItems) {
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console.log("maxItems is undefined, never reached");
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return false;
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}
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const current = files.length;
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const remaining = maxItems - current;
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console.log("isMaxReached", { added, current, remaining, maxItems, overwrite });
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// if overwrite is set, but added is bigger than max items
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if (overwrite) {
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console.log("added > maxItems, stop?", added > maxItems);
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return added > maxItems;
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}
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console.log("remaining > added, stop?", remaining > added);
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// or remaining doesn't suffice, stop
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return added > remaining;
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}
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const { isOver, handleFileInputChange, ref } = useDropzone({
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onDropped: (newFiles: FileWithPath[]) => {
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let to_drop = 0;
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const added = newFiles.length;
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if (maxItems) {
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if (isMaxReached(added)) {
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if (onRejected) {
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onRejected(newFiles);
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} else {
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console.warn("maxItems reached");
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}
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return;
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}
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to_drop = added;
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}
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console.log("files", newFiles, { to_drop });
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setFiles((prev) => {
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// drop amount calculated
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const _prev = prev.slice(to_drop);
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// prep new files
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const currentPaths = _prev.map((f) => f.path);
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const filteredFiles: FileState[] = newFiles
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.filter((f) => f.path && !currentPaths.includes(f.path))
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.map((f) => ({
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body: f,
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path: f.path!,
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name: f.name,
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size: f.size,
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type: f.type,
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state: "pending",
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progress: 0
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}));
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return [..._prev, ...filteredFiles];
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});
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if (autoUpload) {
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setUploading(true);
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}
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},
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onOver: (items) => {
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const max_reached = isMaxReached(items.length);
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setIsOverAccepted(!max_reached);
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},
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onLeave: () => {
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setIsOverAccepted(false);
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}
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});
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useEffect(() => {
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console.log("files updated");
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}, [files]);
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useEffect(() => {
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if (uploading) {
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(async () => {
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const pendingFiles = files.filter((f) => f.state === "pending");
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if (pendingFiles.length === 0) {
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setUploading(false);
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return;
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} else {
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for (const file of pendingFiles) {
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await uploadFileProgress(file);
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}
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}
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})();
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}
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}, [uploading]);
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function setFileState(path: string, state: FileState["state"], progress?: number) {
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setFiles((prev) =>
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prev.map((f) => {
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//console.log("compare", f.path, path, f.path === path);
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if (f.path === path) {
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return {
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...f,
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state,
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progress: progress ?? f.progress
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};
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}
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return f;
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})
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);
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}
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function replaceFileState(prevPath: string, newState: Partial<FileState>) {
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setFiles((prev) =>
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prev.map((f) => {
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if (f.path === prevPath) {
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return {
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...f,
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...newState
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};
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}
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return f;
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})
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);
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}
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function removeFileFromState(path: string) {
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setFiles((prev) => prev.filter((f) => f.path !== path));
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}
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function uploadFileProgress(file: FileState) {
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return new Promise<void>((resolve, reject) => {
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if (!file.body) {
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console.error("File has no body");
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reject();
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return;
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} else if (file.state !== "pending") {
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console.error("File is not pending");
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reject();
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return;
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} else if (file.body instanceof File === false) {
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console.error("File body is not a File instance");
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reject();
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return;
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}
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const { url, headers, method = "POST" } = getUploadInfo(file.body);
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const formData = new FormData();
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formData.append("file", file.body);
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const xhr = new XMLHttpRequest();
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const urlWithParams = new URL(url);
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if (overwrite) {
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urlWithParams.searchParams.append("overwrite", "1");
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}
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console.log("url", urlWithParams.toString());
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//return;
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xhr.open(method, urlWithParams.toString(), true);
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if (headers) {
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headers.forEach((value, key) => {
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xhr.setRequestHeader(key, value);
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});
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}
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// Handle progress events
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xhr.upload.addEventListener("progress", (event) => {
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console.log("progress", event.loaded, event.total);
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if (event.lengthComputable) {
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setFileState(file.path, "uploading", event.loaded / event.total);
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const percentComplete = (event.loaded / event.total) * 100;
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console.log(`Progress: ${percentComplete.toFixed(2)}%`);
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} else {
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console.log(
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"Unable to compute progress information since the total size is unknown"
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);
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}
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});
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xhr.onload = () => {
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console.log("onload", file.path, xhr.status);
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if (xhr.status === 200) {
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//setFileState(file.path, "uploaded", 1);
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console.log("Upload complete");
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onUploaded?.(file);
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try {
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const response = JSON.parse(xhr.responseText);
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console.log("Response:", file, response);
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console.log("New state", response.state);
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replaceFileState(file.path, {
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...response.state,
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progress: 1,
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state: "uploaded"
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});
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} catch (e) {
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setFileState(file.path, "uploaded", 1);
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console.error("Error parsing response", e);
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}
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resolve();
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} else {
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setFileState(file.path, "failed", 1);
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console.error("Upload failed with status: ", xhr.status);
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reject();
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}
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};
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xhr.onerror = () => {
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console.error("Error during the upload process.");
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};
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xhr.onloadstart = () => {
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setFileState(file.path, "uploading", 0);
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console.log("loadstart");
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};
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xhr.setRequestHeader("Accept", "application/json");
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xhr.send(formData);
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});
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}
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async function deleteFile(file: FileState) {
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console.log("deleteFile", file);
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switch (file.state) {
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case "uploaded":
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case "initial":
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if (window.confirm("Are you sure you want to delete this file?")) {
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console.log('setting state to "deleting"', file);
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setFileState(file.path, "deleting");
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await handleDelete(file);
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removeFileFromState(file.path);
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onDeleted?.(file);
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}
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break;
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}
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}
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const openFileInput = () => inputRef.current?.click();
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const showPlaceholder = Boolean(
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placeholder?.show === true || !maxItems || (maxItems && files.length < maxItems)
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);
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const renderProps: DropzoneRenderProps = {
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wrapperRef: ref,
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inputProps: {
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ref: inputRef,
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type: "file",
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multiple: !maxItems || maxItems > 1,
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onChange: handleFileInputChange
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},
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state: {
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files,
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isOver,
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isOverAccepted,
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showPlaceholder
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},
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actions: {
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uploadFile: uploadFileProgress,
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deleteFile,
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openFileInput
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},
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dropzoneProps: {
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maxItems,
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placeholder,
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autoUpload
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}
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};
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return children ? children(renderProps) : <DropzoneInner {...renderProps} />;
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}
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const DropzoneInner = ({
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wrapperRef,
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inputProps,
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state: { files, isOver, isOverAccepted, showPlaceholder },
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actions: { uploadFile, deleteFile, openFileInput },
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dropzoneProps: { placeholder }
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}: DropzoneRenderProps) => {
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return (
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<div
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ref={wrapperRef}
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className={twMerge(
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"dropzone w-full h-full align-start flex flex-col select-none",
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isOver && isOverAccepted && "bg-green-200/10",
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isOver && !isOverAccepted && "bg-red-200/40 cursor-not-allowed"
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)}
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>
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<div className="hidden">
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<input {...inputProps} />
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</div>
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<div className="flex flex-1 flex-col">
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<div className="flex flex-row flex-wrap gap-2 md:gap-3">
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{files.map((file) => (
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<Preview
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key={file.path}
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file={file}
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handleUpload={uploadFile}
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handleDelete={deleteFile}
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/>
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))}
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{showPlaceholder && (
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<UploadPlaceholder onClick={openFileInput} text={placeholder?.text} />
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)}
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</div>
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</div>
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</div>
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);
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};
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const UploadPlaceholder = ({ onClick, text = "Upload files" }) => {
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return (
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<div
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className="w-[49%] aspect-[1/0.9] md:w-60 flex flex-col border-2 border-dashed border-muted relative justify-center items-center text-primary/30 hover:border-primary/30 hover:text-primary/50 hover:cursor-pointer hover:bg-muted/20 transition-colors duration-200"
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onClick={onClick}
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>
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<span className="">{text}</span>
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</div>
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);
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};
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export type PreviewComponentProps = {
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file: FileState;
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fallback?: (props: { file: FileState }) => JSX.Element;
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className?: string;
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onClick?: () => void;
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onTouchStart?: () => void;
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};
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const Wrapper = ({ file, fallback, ...props }: PreviewComponentProps) => {
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if (file.type.startsWith("image/")) {
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return <ImagePreview {...props} file={file} />;
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}
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if (file.type.startsWith("video/")) {
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return <VideoPreview {...props} file={file} />;
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}
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return fallback ? fallback({ file }) : null;
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};
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export const PreviewWrapperMemoized = memo(
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Wrapper,
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(prev, next) => prev.file.path === next.file.path
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);
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type PreviewProps = {
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file: FileState;
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handleUpload: (file: FileState) => Promise<void>;
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handleDelete: (file: FileState) => Promise<void>;
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};
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const Preview: React.FC<PreviewProps> = ({ file, handleUpload, handleDelete }) => {
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const dropdownItems = [
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["initial", "uploaded"].includes(file.state) && {
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label: "Delete",
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onClick: () => handleDelete(file)
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},
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["initial", "pending"].includes(file.state) && {
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label: "Upload",
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onClick: () => handleUpload(file)
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}
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];
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return (
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<div
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className={twMerge(
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"w-[49%] md:w-60 flex flex-col border border-muted relative",
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file.state === "deleting" && "opacity-70"
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)}
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>
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<div className="absolute top-2 right-2">
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<Dropdown items={dropdownItems} position="bottom-end">
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<IconButton Icon={TbDots} />
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</Dropdown>
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</div>
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{file.state === "uploading" && (
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<div className="absolute w-full top-0 left-0 right-0 h-1">
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<div
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className="bg-blue-600 h-1 transition-all duration-75"
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style={{ width: (file.progress * 100).toFixed(0) + "%" }}
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/>
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</div>
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)}
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<div className="flex bg-primary/5 aspect-[1/0.8] overflow-hidden items-center justify-center">
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<PreviewWrapperMemoized
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file={file}
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fallback={FallbackPreview}
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className="max-w-full max-h-full"
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/>
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</div>
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<div className="flex flex-col px-1.5 py-1">
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<p className="truncate">{file.name}</p>
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<div className="flex flex-row justify-between text-sm font-mono opacity-50 text-nowrap gap-2">
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<span className="truncate">{file.type}</span>
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<span>{(file.size / 1024).toFixed(1)} KB</span>
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</div>
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</div>
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</div>
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);
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};
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const ImagePreview = ({
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file,
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...props
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}: { file: FileState } & ComponentPropsWithoutRef<"img">) => {
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const objectUrl = typeof file.body === "string" ? file.body : URL.createObjectURL(file.body);
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return <img {...props} src={objectUrl} />;
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};
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const VideoPreview = ({
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file,
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...props
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}: { file: FileState } & ComponentPropsWithoutRef<"video">) => {
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const objectUrl = typeof file.body === "string" ? file.body : URL.createObjectURL(file.body);
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return <video {...props} src={objectUrl} />;
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};
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const FallbackPreview = ({ file }: { file: FileState }) => {
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return <div className="text-xs text-primary/50 text-center">{file.type}</div>;
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};
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