File: //usr/share/opensearch-dashboards/node_modules/react-dropzone/src/index.js
/* eslint prefer-template: 0 */
import React, {
forwardRef,
Fragment,
useCallback,
useEffect,
useImperativeHandle,
useMemo,
useReducer,
useRef,
} from "react";
import PropTypes from "prop-types";
import { fromEvent } from "file-selector";
import {
acceptPropAsAcceptAttr,
allFilesAccepted,
composeEventHandlers,
fileAccepted,
fileMatchSize,
canUseFileSystemAccessAPI,
isAbort,
isEvtWithFiles,
isIeOrEdge,
isPropagationStopped,
isSecurityError,
onDocumentDragOver,
pickerOptionsFromAccept,
TOO_MANY_FILES_REJECTION,
} from "./utils/index";
/**
* Convenience wrapper component for the `useDropzone` hook
*
* ```jsx
* <Dropzone>
* {({getRootProps, getInputProps}) => (
* <div {...getRootProps()}>
* <input {...getInputProps()} />
* <p>Drag 'n' drop some files here, or click to select files</p>
* </div>
* )}
* </Dropzone>
* ```
*/
const Dropzone = forwardRef(({ children, ...params }, ref) => {
const { open, ...props } = useDropzone(params);
useImperativeHandle(ref, () => ({ open }), [open]);
// TODO: Figure out why react-styleguidist cannot create docs if we don't return a jsx element
return <Fragment>{children({ ...props, open })}</Fragment>;
});
Dropzone.displayName = "Dropzone";
// Add default props for react-docgen
const defaultProps = {
disabled: false,
getFilesFromEvent: fromEvent,
maxSize: Infinity,
minSize: 0,
multiple: true,
maxFiles: 0,
preventDropOnDocument: true,
noClick: false,
noKeyboard: false,
noDrag: false,
noDragEventsBubbling: false,
validator: null,
useFsAccessApi: true,
autoFocus: false,
};
Dropzone.defaultProps = defaultProps;
Dropzone.propTypes = {
/**
* Render function that exposes the dropzone state and prop getter fns
*
* @param {object} params
* @param {Function} params.getRootProps Returns the props you should apply to the root drop container you render
* @param {Function} params.getInputProps Returns the props you should apply to hidden file input you render
* @param {Function} params.open Open the native file selection dialog
* @param {boolean} params.isFocused Dropzone area is in focus
* @param {boolean} params.isFileDialogActive File dialog is opened
* @param {boolean} params.isDragActive Active drag is in progress
* @param {boolean} params.isDragAccept Dragged files are accepted
* @param {boolean} params.isDragReject Some dragged files are rejected
* @param {File[]} params.acceptedFiles Accepted files
* @param {FileRejection[]} params.fileRejections Rejected files and why they were rejected
*/
children: PropTypes.func,
/**
* Set accepted file types.
* Checkout https://developer.mozilla.org/en-US/docs/Web/API/window/showOpenFilePicker types option for more information.
* Keep in mind that mime type determination is not reliable across platforms. CSV files,
* for example, are reported as text/plain under macOS but as application/vnd.ms-excel under
* Windows. In some cases there might not be a mime type set at all (https://github.com/react-dropzone/react-dropzone/issues/276).
*/
accept: PropTypes.objectOf(PropTypes.arrayOf(PropTypes.string)),
/**
* Allow drag 'n' drop (or selection from the file dialog) of multiple files
*/
multiple: PropTypes.bool,
/**
* If false, allow dropped items to take over the current browser window
*/
preventDropOnDocument: PropTypes.bool,
/**
* If true, disables click to open the native file selection dialog
*/
noClick: PropTypes.bool,
/**
* If true, disables SPACE/ENTER to open the native file selection dialog.
* Note that it also stops tracking the focus state.
*/
noKeyboard: PropTypes.bool,
/**
* If true, disables drag 'n' drop
*/
noDrag: PropTypes.bool,
/**
* If true, stops drag event propagation to parents
*/
noDragEventsBubbling: PropTypes.bool,
/**
* Minimum file size (in bytes)
*/
minSize: PropTypes.number,
/**
* Maximum file size (in bytes)
*/
maxSize: PropTypes.number,
/**
* Maximum accepted number of files
* The default value is 0 which means there is no limitation to how many files are accepted.
*/
maxFiles: PropTypes.number,
/**
* Enable/disable the dropzone
*/
disabled: PropTypes.bool,
/**
* Use this to provide a custom file aggregator
*
* @param {(DragEvent|Event)} event A drag event or input change event (if files were selected via the file dialog)
*/
getFilesFromEvent: PropTypes.func,
/**
* Cb for when closing the file dialog with no selection
*/
onFileDialogCancel: PropTypes.func,
/**
* Cb for when opening the file dialog
*/
onFileDialogOpen: PropTypes.func,
/**
* Set to true to use the https://developer.mozilla.org/en-US/docs/Web/API/File_System_Access_API
* to open the file picker instead of using an `<input type="file">` click event.
*/
useFsAccessApi: PropTypes.bool,
/**
* Set to true to focus the root element on render
*/
autoFocus: PropTypes.bool,
/**
* Cb for when the `dragenter` event occurs.
*
* @param {DragEvent} event
*/
onDragEnter: PropTypes.func,
/**
* Cb for when the `dragleave` event occurs
*
* @param {DragEvent} event
*/
onDragLeave: PropTypes.func,
/**
* Cb for when the `dragover` event occurs
*
* @param {DragEvent} event
*/
onDragOver: PropTypes.func,
/**
* Cb for when the `drop` event occurs.
* Note that this callback is invoked after the `getFilesFromEvent` callback is done.
*
* Files are accepted or rejected based on the `accept`, `multiple`, `minSize` and `maxSize` props.
* `accept` must be a valid [MIME type](http://www.iana.org/assignments/media-types/media-types.xhtml) according to [input element specification](https://www.w3.org/wiki/HTML/Elements/input/file) or a valid file extension.
* If `multiple` is set to false and additional files are dropped,
* all files besides the first will be rejected.
* Any file which does not have a size in the [`minSize`, `maxSize`] range, will be rejected as well.
*
* Note that the `onDrop` callback will always be invoked regardless if the dropped files were accepted or rejected.
* If you'd like to react to a specific scenario, use the `onDropAccepted`/`onDropRejected` props.
*
* `onDrop` will provide you with an array of [File](https://developer.mozilla.org/en-US/docs/Web/API/File) objects which you can then process and send to a server.
* For example, with [SuperAgent](https://github.com/visionmedia/superagent) as a http/ajax library:
*
* ```js
* function onDrop(acceptedFiles) {
* const req = request.post('/upload')
* acceptedFiles.forEach(file => {
* req.attach(file.name, file)
* })
* req.end(callback)
* }
* ```
*
* @param {File[]} acceptedFiles
* @param {FileRejection[]} fileRejections
* @param {(DragEvent|Event)} event A drag event or input change event (if files were selected via the file dialog)
*/
onDrop: PropTypes.func,
/**
* Cb for when the `drop` event occurs.
* Note that if no files are accepted, this callback is not invoked.
*
* @param {File[]} files
* @param {(DragEvent|Event)} event
*/
onDropAccepted: PropTypes.func,
/**
* Cb for when the `drop` event occurs.
* Note that if no files are rejected, this callback is not invoked.
*
* @param {FileRejection[]} fileRejections
* @param {(DragEvent|Event)} event
*/
onDropRejected: PropTypes.func,
/**
* Cb for when there's some error from any of the promises.
*
* @param {Error} error
*/
onError: PropTypes.func,
/**
* Custom validation function. It must return null if there's no errors.
* @param {File} file
* @returns {FileError|FileError[]|null}
*/
validator: PropTypes.func,
};
export default Dropzone;
/**
* A function that is invoked for the `dragenter`,
* `dragover` and `dragleave` events.
* It is not invoked if the items are not files (such as link, text, etc.).
*
* @callback dragCb
* @param {DragEvent} event
*/
/**
* A function that is invoked for the `drop` or input change event.
* It is not invoked if the items are not files (such as link, text, etc.).
*
* @callback dropCb
* @param {File[]} acceptedFiles List of accepted files
* @param {FileRejection[]} fileRejections List of rejected files and why they were rejected
* @param {(DragEvent|Event)} event A drag event or input change event (if files were selected via the file dialog)
*/
/**
* A function that is invoked for the `drop` or input change event.
* It is not invoked if the items are files (such as link, text, etc.).
*
* @callback dropAcceptedCb
* @param {File[]} files List of accepted files that meet the given criteria
* (`accept`, `multiple`, `minSize`, `maxSize`)
* @param {(DragEvent|Event)} event A drag event or input change event (if files were selected via the file dialog)
*/
/**
* A function that is invoked for the `drop` or input change event.
*
* @callback dropRejectedCb
* @param {File[]} files List of rejected files that do not meet the given criteria
* (`accept`, `multiple`, `minSize`, `maxSize`)
* @param {(DragEvent|Event)} event A drag event or input change event (if files were selected via the file dialog)
*/
/**
* A function that is used aggregate files,
* in a asynchronous fashion, from drag or input change events.
*
* @callback getFilesFromEvent
* @param {(DragEvent|Event)} event A drag event or input change event (if files were selected via the file dialog)
* @returns {(File[]|Promise<File[]>)}
*/
/**
* An object with the current dropzone state.
*
* @typedef {object} DropzoneState
* @property {boolean} isFocused Dropzone area is in focus
* @property {boolean} isFileDialogActive File dialog is opened
* @property {boolean} isDragActive Active drag is in progress
* @property {boolean} isDragAccept Dragged files are accepted
* @property {boolean} isDragReject Some dragged files are rejected
* @property {File[]} acceptedFiles Accepted files
* @property {FileRejection[]} fileRejections Rejected files and why they were rejected
*/
/**
* An object with the dropzone methods.
*
* @typedef {object} DropzoneMethods
* @property {Function} getRootProps Returns the props you should apply to the root drop container you render
* @property {Function} getInputProps Returns the props you should apply to hidden file input you render
* @property {Function} open Open the native file selection dialog
*/
const initialState = {
isFocused: false,
isFileDialogActive: false,
isDragActive: false,
isDragAccept: false,
isDragReject: false,
acceptedFiles: [],
fileRejections: [],
};
/**
* A React hook that creates a drag 'n' drop area.
*
* ```jsx
* function MyDropzone(props) {
* const {getRootProps, getInputProps} = useDropzone({
* onDrop: acceptedFiles => {
* // do something with the File objects, e.g. upload to some server
* }
* });
* return (
* <div {...getRootProps()}>
* <input {...getInputProps()} />
* <p>Drag and drop some files here, or click to select files</p>
* </div>
* )
* }
* ```
*
* @function useDropzone
*
* @param {object} props
* @param {import("./utils").AcceptProp} [props.accept] Set accepted file types.
* Checkout https://developer.mozilla.org/en-US/docs/Web/API/window/showOpenFilePicker types option for more information.
* Keep in mind that mime type determination is not reliable across platforms. CSV files,
* for example, are reported as text/plain under macOS but as application/vnd.ms-excel under
* Windows. In some cases there might not be a mime type set at all (https://github.com/react-dropzone/react-dropzone/issues/276).
* @param {boolean} [props.multiple=true] Allow drag 'n' drop (or selection from the file dialog) of multiple files
* @param {boolean} [props.preventDropOnDocument=true] If false, allow dropped items to take over the current browser window
* @param {boolean} [props.noClick=false] If true, disables click to open the native file selection dialog
* @param {boolean} [props.noKeyboard=false] If true, disables SPACE/ENTER to open the native file selection dialog.
* Note that it also stops tracking the focus state.
* @param {boolean} [props.noDrag=false] If true, disables drag 'n' drop
* @param {boolean} [props.noDragEventsBubbling=false] If true, stops drag event propagation to parents
* @param {number} [props.minSize=0] Minimum file size (in bytes)
* @param {number} [props.maxSize=Infinity] Maximum file size (in bytes)
* @param {boolean} [props.disabled=false] Enable/disable the dropzone
* @param {getFilesFromEvent} [props.getFilesFromEvent] Use this to provide a custom file aggregator
* @param {Function} [props.onFileDialogCancel] Cb for when closing the file dialog with no selection
* @param {boolean} [props.useFsAccessApi] Set to true to use the https://developer.mozilla.org/en-US/docs/Web/API/File_System_Access_API
* to open the file picker instead of using an `<input type="file">` click event.
* @param {boolean} autoFocus Set to true to auto focus the root element.
* @param {Function} [props.onFileDialogOpen] Cb for when opening the file dialog
* @param {dragCb} [props.onDragEnter] Cb for when the `dragenter` event occurs.
* @param {dragCb} [props.onDragLeave] Cb for when the `dragleave` event occurs
* @param {dragCb} [props.onDragOver] Cb for when the `dragover` event occurs
* @param {dropCb} [props.onDrop] Cb for when the `drop` event occurs.
* Note that this callback is invoked after the `getFilesFromEvent` callback is done.
*
* Files are accepted or rejected based on the `accept`, `multiple`, `minSize` and `maxSize` props.
* `accept` must be an object with keys as a valid [MIME type](http://www.iana.org/assignments/media-types/media-types.xhtml) according to [input element specification](https://www.w3.org/wiki/HTML/Elements/input/file) and the value an array of file extensions (optional).
* If `multiple` is set to false and additional files are dropped,
* all files besides the first will be rejected.
* Any file which does not have a size in the [`minSize`, `maxSize`] range, will be rejected as well.
*
* Note that the `onDrop` callback will always be invoked regardless if the dropped files were accepted or rejected.
* If you'd like to react to a specific scenario, use the `onDropAccepted`/`onDropRejected` props.
*
* `onDrop` will provide you with an array of [File](https://developer.mozilla.org/en-US/docs/Web/API/File) objects which you can then process and send to a server.
* For example, with [SuperAgent](https://github.com/visionmedia/superagent) as a http/ajax library:
*
* ```js
* function onDrop(acceptedFiles) {
* const req = request.post('/upload')
* acceptedFiles.forEach(file => {
* req.attach(file.name, file)
* })
* req.end(callback)
* }
* ```
* @param {dropAcceptedCb} [props.onDropAccepted]
* @param {dropRejectedCb} [props.onDropRejected]
* @param {(error: Error) => void} [props.onError]
*
* @returns {DropzoneState & DropzoneMethods}
*/
export function useDropzone(props = {}) {
const {
accept,
disabled,
getFilesFromEvent,
maxSize,
minSize,
multiple,
maxFiles,
onDragEnter,
onDragLeave,
onDragOver,
onDrop,
onDropAccepted,
onDropRejected,
onFileDialogCancel,
onFileDialogOpen,
useFsAccessApi,
autoFocus,
preventDropOnDocument,
noClick,
noKeyboard,
noDrag,
noDragEventsBubbling,
onError,
validator,
} = {
...defaultProps,
...props,
};
const acceptAttr = useMemo(() => acceptPropAsAcceptAttr(accept), [accept]);
const pickerTypes = useMemo(() => pickerOptionsFromAccept(accept), [accept]);
const onFileDialogOpenCb = useMemo(
() => (typeof onFileDialogOpen === "function" ? onFileDialogOpen : noop),
[onFileDialogOpen]
);
const onFileDialogCancelCb = useMemo(
() =>
typeof onFileDialogCancel === "function" ? onFileDialogCancel : noop,
[onFileDialogCancel]
);
/**
* @constant
* @type {React.MutableRefObject<HTMLElement>}
*/
const rootRef = useRef(null);
const inputRef = useRef(null);
const [state, dispatch] = useReducer(reducer, initialState);
const { isFocused, isFileDialogActive } = state;
const fsAccessApiWorksRef = useRef(
typeof window !== "undefined" &&
window.isSecureContext &&
useFsAccessApi &&
canUseFileSystemAccessAPI()
);
// Update file dialog active state when the window is focused on
const onWindowFocus = () => {
// Execute the timeout only if the file dialog is opened in the browser
if (!fsAccessApiWorksRef.current && isFileDialogActive) {
setTimeout(() => {
if (inputRef.current) {
const { files } = inputRef.current;
if (!files.length) {
dispatch({ type: "closeDialog" });
onFileDialogCancelCb();
}
}
}, 300);
}
};
useEffect(() => {
window.addEventListener("focus", onWindowFocus, false);
return () => {
window.removeEventListener("focus", onWindowFocus, false);
};
}, [inputRef, isFileDialogActive, onFileDialogCancelCb, fsAccessApiWorksRef]);
const dragTargetsRef = useRef([]);
const onDocumentDrop = (event) => {
if (rootRef.current && rootRef.current.contains(event.target)) {
// If we intercepted an event for our instance, let it propagate down to the instance's onDrop handler
return;
}
event.preventDefault();
dragTargetsRef.current = [];
};
useEffect(() => {
if (preventDropOnDocument) {
document.addEventListener("dragover", onDocumentDragOver, false);
document.addEventListener("drop", onDocumentDrop, false);
}
return () => {
if (preventDropOnDocument) {
document.removeEventListener("dragover", onDocumentDragOver);
document.removeEventListener("drop", onDocumentDrop);
}
};
}, [rootRef, preventDropOnDocument]);
// Auto focus the root when autoFocus is true
useEffect(() => {
if (!disabled && autoFocus && rootRef.current) {
rootRef.current.focus();
}
return () => {};
}, [rootRef, autoFocus, disabled]);
const onErrCb = useCallback(
(e) => {
if (onError) {
onError(e);
} else {
// Let the user know something's gone wrong if they haven't provided the onError cb.
console.error(e);
}
},
[onError]
);
const onDragEnterCb = useCallback(
(event) => {
event.preventDefault();
// Persist here because we need the event later after getFilesFromEvent() is done
event.persist();
stopPropagation(event);
dragTargetsRef.current = [...dragTargetsRef.current, event.target];
if (isEvtWithFiles(event)) {
Promise.resolve(getFilesFromEvent(event))
.then((files) => {
if (isPropagationStopped(event) && !noDragEventsBubbling) {
return;
}
const fileCount = files.length;
const isDragAccept =
fileCount > 0 &&
allFilesAccepted({
files,
accept: acceptAttr,
minSize,
maxSize,
multiple,
maxFiles,
validator,
});
const isDragReject = fileCount > 0 && !isDragAccept;
dispatch({
isDragAccept,
isDragReject,
isDragActive: true,
type: "setDraggedFiles",
});
if (onDragEnter) {
onDragEnter(event);
}
})
.catch((e) => onErrCb(e));
}
},
[
getFilesFromEvent,
onDragEnter,
onErrCb,
noDragEventsBubbling,
acceptAttr,
minSize,
maxSize,
multiple,
maxFiles,
validator,
]
);
const onDragOverCb = useCallback(
(event) => {
event.preventDefault();
event.persist();
stopPropagation(event);
const hasFiles = isEvtWithFiles(event);
if (hasFiles && event.dataTransfer) {
try {
event.dataTransfer.dropEffect = "copy";
} catch {} /* eslint-disable-line no-empty */
}
if (hasFiles && onDragOver) {
onDragOver(event);
}
return false;
},
[onDragOver, noDragEventsBubbling]
);
const onDragLeaveCb = useCallback(
(event) => {
event.preventDefault();
event.persist();
stopPropagation(event);
// Only deactivate once the dropzone and all children have been left
const targets = dragTargetsRef.current.filter(
(target) => rootRef.current && rootRef.current.contains(target)
);
// Make sure to remove a target present multiple times only once
// (Firefox may fire dragenter/dragleave multiple times on the same element)
const targetIdx = targets.indexOf(event.target);
if (targetIdx !== -1) {
targets.splice(targetIdx, 1);
}
dragTargetsRef.current = targets;
if (targets.length > 0) {
return;
}
dispatch({
type: "setDraggedFiles",
isDragActive: false,
isDragAccept: false,
isDragReject: false,
});
if (isEvtWithFiles(event) && onDragLeave) {
onDragLeave(event);
}
},
[rootRef, onDragLeave, noDragEventsBubbling]
);
const setFiles = useCallback(
(files, event) => {
const acceptedFiles = [];
const fileRejections = [];
files.forEach((file) => {
const [accepted, acceptError] = fileAccepted(file, acceptAttr);
const [sizeMatch, sizeError] = fileMatchSize(file, minSize, maxSize);
const customErrors = validator ? validator(file) : null;
if (accepted && sizeMatch && !customErrors) {
acceptedFiles.push(file);
} else {
let errors = [acceptError, sizeError];
if (customErrors) {
errors = errors.concat(customErrors);
}
fileRejections.push({ file, errors: errors.filter((e) => e) });
}
});
if (
(!multiple && acceptedFiles.length > 1) ||
(multiple && maxFiles >= 1 && acceptedFiles.length > maxFiles)
) {
// Reject everything and empty accepted files
acceptedFiles.forEach((file) => {
fileRejections.push({ file, errors: [TOO_MANY_FILES_REJECTION] });
});
acceptedFiles.splice(0);
}
dispatch({
acceptedFiles,
fileRejections,
type: "setFiles",
});
if (onDrop) {
onDrop(acceptedFiles, fileRejections, event);
}
if (fileRejections.length > 0 && onDropRejected) {
onDropRejected(fileRejections, event);
}
if (acceptedFiles.length > 0 && onDropAccepted) {
onDropAccepted(acceptedFiles, event);
}
},
[
dispatch,
multiple,
acceptAttr,
minSize,
maxSize,
maxFiles,
onDrop,
onDropAccepted,
onDropRejected,
validator,
]
);
const onDropCb = useCallback(
(event) => {
event.preventDefault();
// Persist here because we need the event later after getFilesFromEvent() is done
event.persist();
stopPropagation(event);
dragTargetsRef.current = [];
if (isEvtWithFiles(event)) {
Promise.resolve(getFilesFromEvent(event))
.then((files) => {
if (isPropagationStopped(event) && !noDragEventsBubbling) {
return;
}
setFiles(files, event);
})
.catch((e) => onErrCb(e));
}
dispatch({ type: "reset" });
},
[getFilesFromEvent, setFiles, onErrCb, noDragEventsBubbling]
);
// Fn for opening the file dialog programmatically
const openFileDialog = useCallback(() => {
// No point to use FS access APIs if context is not secure
// https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts#feature_detection
if (fsAccessApiWorksRef.current) {
dispatch({ type: "openDialog" });
onFileDialogOpenCb();
// https://developer.mozilla.org/en-US/docs/Web/API/window/showOpenFilePicker
const opts = {
multiple,
types: pickerTypes,
};
window
.showOpenFilePicker(opts)
.then((handles) => getFilesFromEvent(handles))
.then((files) => {
setFiles(files, null);
dispatch({ type: "closeDialog" });
})
.catch((e) => {
// AbortError means the user canceled
if (isAbort(e)) {
onFileDialogCancelCb(e);
dispatch({ type: "closeDialog" });
} else if (isSecurityError(e)) {
fsAccessApiWorksRef.current = false;
// CORS, so cannot use this API
// Try using the input
if (inputRef.current) {
inputRef.current.value = null;
inputRef.current.click();
} else {
onErrCb(
new Error(
"Cannot open the file picker because the https://developer.mozilla.org/en-US/docs/Web/API/File_System_Access_API is not supported and no <input> was provided."
)
);
}
} else {
onErrCb(e);
}
});
return;
}
if (inputRef.current) {
dispatch({ type: "openDialog" });
onFileDialogOpenCb();
inputRef.current.value = null;
inputRef.current.click();
}
}, [
dispatch,
onFileDialogOpenCb,
onFileDialogCancelCb,
useFsAccessApi,
setFiles,
onErrCb,
pickerTypes,
multiple,
]);
// Cb to open the file dialog when SPACE/ENTER occurs on the dropzone
const onKeyDownCb = useCallback(
(event) => {
// Ignore keyboard events bubbling up the DOM tree
if (!rootRef.current || !rootRef.current.isEqualNode(event.target)) {
return;
}
if (
event.key === " " ||
event.key === "Enter" ||
event.keyCode === 32 ||
event.keyCode === 13
) {
event.preventDefault();
openFileDialog();
}
},
[rootRef, openFileDialog]
);
// Update focus state for the dropzone
const onFocusCb = useCallback(() => {
dispatch({ type: "focus" });
}, []);
const onBlurCb = useCallback(() => {
dispatch({ type: "blur" });
}, []);
// Cb to open the file dialog when click occurs on the dropzone
const onClickCb = useCallback(() => {
if (noClick) {
return;
}
// In IE11/Edge the file-browser dialog is blocking, therefore, use setTimeout()
// to ensure React can handle state changes
// See: https://github.com/react-dropzone/react-dropzone/issues/450
if (isIeOrEdge()) {
setTimeout(openFileDialog, 0);
} else {
openFileDialog();
}
}, [noClick, openFileDialog]);
const composeHandler = (fn) => {
return disabled ? null : fn;
};
const composeKeyboardHandler = (fn) => {
return noKeyboard ? null : composeHandler(fn);
};
const composeDragHandler = (fn) => {
return noDrag ? null : composeHandler(fn);
};
const stopPropagation = (event) => {
if (noDragEventsBubbling) {
event.stopPropagation();
}
};
const getRootProps = useMemo(
() =>
({
refKey = "ref",
role,
onKeyDown,
onFocus,
onBlur,
onClick,
onDragEnter,
onDragOver,
onDragLeave,
onDrop,
...rest
} = {}) => ({
onKeyDown: composeKeyboardHandler(
composeEventHandlers(onKeyDown, onKeyDownCb)
),
onFocus: composeKeyboardHandler(
composeEventHandlers(onFocus, onFocusCb)
),
onBlur: composeKeyboardHandler(composeEventHandlers(onBlur, onBlurCb)),
onClick: composeHandler(composeEventHandlers(onClick, onClickCb)),
onDragEnter: composeDragHandler(
composeEventHandlers(onDragEnter, onDragEnterCb)
),
onDragOver: composeDragHandler(
composeEventHandlers(onDragOver, onDragOverCb)
),
onDragLeave: composeDragHandler(
composeEventHandlers(onDragLeave, onDragLeaveCb)
),
onDrop: composeDragHandler(composeEventHandlers(onDrop, onDropCb)),
role: typeof role === "string" && role !== "" ? role : "presentation",
[refKey]: rootRef,
...(!disabled && !noKeyboard ? { tabIndex: 0 } : {}),
...rest,
}),
[
rootRef,
onKeyDownCb,
onFocusCb,
onBlurCb,
onClickCb,
onDragEnterCb,
onDragOverCb,
onDragLeaveCb,
onDropCb,
noKeyboard,
noDrag,
disabled,
]
);
const onInputElementClick = useCallback((event) => {
event.stopPropagation();
}, []);
const getInputProps = useMemo(
() =>
({ refKey = "ref", onChange, onClick, ...rest } = {}) => {
const inputProps = {
accept: acceptAttr,
multiple,
type: "file",
style: { display: "none" },
onChange: composeHandler(composeEventHandlers(onChange, onDropCb)),
onClick: composeHandler(
composeEventHandlers(onClick, onInputElementClick)
),
tabIndex: -1,
[refKey]: inputRef,
};
return {
...inputProps,
...rest,
};
},
[inputRef, accept, multiple, onDropCb, disabled]
);
return {
...state,
isFocused: isFocused && !disabled,
getRootProps,
getInputProps,
rootRef,
inputRef,
open: composeHandler(openFileDialog),
};
}
/**
* @param {DropzoneState} state
* @param {{type: string} & DropzoneState} action
* @returns {DropzoneState}
*/
function reducer(state, action) {
/* istanbul ignore next */
switch (action.type) {
case "focus":
return {
...state,
isFocused: true,
};
case "blur":
return {
...state,
isFocused: false,
};
case "openDialog":
return {
...initialState,
isFileDialogActive: true,
};
case "closeDialog":
return {
...state,
isFileDialogActive: false,
};
case "setDraggedFiles":
return {
...state,
isDragActive: action.isDragActive,
isDragAccept: action.isDragAccept,
isDragReject: action.isDragReject,
};
case "setFiles":
return {
...state,
acceptedFiles: action.acceptedFiles,
fileRejections: action.fileRejections,
};
case "reset":
return {
...initialState,
};
default:
return state;
}
}
function noop() {}
export { ErrorCode } from "./utils";