var _excluded = ["children"],
_excluded2 = ["open"],
_excluded3 = ["refKey", "role", "onKeyDown", "onFocus", "onBlur", "onClick", "onDragEnter", "onDragOver", "onDragLeave", "onDrop"],
_excluded4 = ["refKey", "onChange", "onClick"];
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
/* 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>
* ```
*/
var Dropzone = /*#__PURE__*/forwardRef(function (_ref, ref) {
var children = _ref.children,
params = _objectWithoutProperties(_ref, _excluded);
var _useDropzone = useDropzone(params),
open = _useDropzone.open,
props = _objectWithoutProperties(_useDropzone, _excluded2);
useImperativeHandle(ref, function () {
return {
open: open
};
}, [open]); // TODO: Figure out why react-styleguidist cannot create docs if we don't return a jsx element
return /*#__PURE__*/React.createElement(Fragment, null, children(_objectSpread(_objectSpread({}, props), {}, {
open: open
})));
});
Dropzone.displayName = "Dropzone"; // Add default props for react-docgen
var 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
*/
var 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() {
var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var _defaultProps$props = _objectSpread(_objectSpread({}, defaultProps), props),
accept = _defaultProps$props.accept,
disabled = _defaultProps$props.disabled,
getFilesFromEvent = _defaultProps$props.getFilesFromEvent,
maxSize = _defaultProps$props.maxSize,
minSize = _defaultProps$props.minSize,
multiple = _defaultProps$props.multiple,
maxFiles = _defaultProps$props.maxFiles,
onDragEnter = _defaultProps$props.onDragEnter,
onDragLeave = _defaultProps$props.onDragLeave,
onDragOver = _defaultProps$props.onDragOver,
onDrop = _defaultProps$props.onDrop,
onDropAccepted = _defaultProps$props.onDropAccepted,
onDropRejected = _defaultProps$props.onDropRejected,
onFileDialogCancel = _defaultProps$props.onFileDialogCancel,
onFileDialogOpen = _defaultProps$props.onFileDialogOpen,
useFsAccessApi = _defaultProps$props.useFsAccessApi,
autoFocus = _defaultProps$props.autoFocus,
preventDropOnDocument = _defaultProps$props.preventDropOnDocument,
noClick = _defaultProps$props.noClick,
noKeyboard = _defaultProps$props.noKeyboard,
noDrag = _defaultProps$props.noDrag,
noDragEventsBubbling = _defaultProps$props.noDragEventsBubbling,
onError = _defaultProps$props.onError,
validator = _defaultProps$props.validator;
var acceptAttr = useMemo(function () {
return acceptPropAsAcceptAttr(accept);
}, [accept]);
var pickerTypes = useMemo(function () {
return pickerOptionsFromAccept(accept);
}, [accept]);
var onFileDialogOpenCb = useMemo(function () {
return typeof onFileDialogOpen === "function" ? onFileDialogOpen : noop;
}, [onFileDialogOpen]);
var onFileDialogCancelCb = useMemo(function () {
return typeof onFileDialogCancel === "function" ? onFileDialogCancel : noop;
}, [onFileDialogCancel]);
/**
* @constant
* @type {React.MutableRefObject<HTMLElement>}
*/
var rootRef = useRef(null);
var inputRef = useRef(null);
var _useReducer = useReducer(reducer, initialState),
_useReducer2 = _slicedToArray(_useReducer, 2),
state = _useReducer2[0],
dispatch = _useReducer2[1];
var isFocused = state.isFocused,
isFileDialogActive = state.isFileDialogActive;
var fsAccessApiWorksRef = useRef(typeof window !== "undefined" && window.isSecureContext && useFsAccessApi && canUseFileSystemAccessAPI()); // Update file dialog active state when the window is focused on
var onWindowFocus = function onWindowFocus() {
// Execute the timeout only if the file dialog is opened in the browser
if (!fsAccessApiWorksRef.current && isFileDialogActive) {
setTimeout(function () {
if (inputRef.current) {
var files = inputRef.current.files;
if (!files.length) {
dispatch({
type: "closeDialog"
});
onFileDialogCancelCb();
}
}
}, 300);
}
};
useEffect(function () {
window.addEventListener("focus", onWindowFocus, false);
return function () {
window.removeEventListener("focus", onWindowFocus, false);
};
}, [inputRef, isFileDialogActive, onFileDialogCancelCb, fsAccessApiWorksRef]);
var dragTargetsRef = useRef([]);
var onDocumentDrop = function 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(function () {
if (preventDropOnDocument) {
document.addEventListener("dragover", onDocumentDragOver, false);
document.addEventListener("drop", onDocumentDrop, false);
}
return function () {
if (preventDropOnDocument) {
document.removeEventListener("dragover", onDocumentDragOver);
document.removeEventListener("drop", onDocumentDrop);
}
};
}, [rootRef, preventDropOnDocument]); // Auto focus the root when autoFocus is true
useEffect(function () {
if (!disabled && autoFocus && rootRef.current) {
rootRef.current.focus();
}
return function () {};
}, [rootRef, autoFocus, disabled]);
var onErrCb = useCallback(function (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]);
var onDragEnterCb = useCallback(function (event) {
event.preventDefault(); // Persist here because we need the event later after getFilesFromEvent() is done
event.persist();
stopPropagation(event);
dragTargetsRef.current = [].concat(_toConsumableArray(dragTargetsRef.current), [event.target]);
if (isEvtWithFiles(event)) {
Promise.resolve(getFilesFromEvent(event)).then(function (files) {
if (isPropagationStopped(event) && !noDragEventsBubbling) {
return;
}
var fileCount = files.length;
var isDragAccept = fileCount > 0 && allFilesAccepted({
files: files,
accept: acceptAttr,
minSize: minSize,
maxSize: maxSize,
multiple: multiple,
maxFiles: maxFiles,
validator: validator
});
var isDragReject = fileCount > 0 && !isDragAccept;
dispatch({
isDragAccept: isDragAccept,
isDragReject: isDragReject,
isDragActive: true,
type: "setDraggedFiles"
});
if (onDragEnter) {
onDragEnter(event);
}
}).catch(function (e) {
return onErrCb(e);
});
}
}, [getFilesFromEvent, onDragEnter, onErrCb, noDragEventsBubbling, acceptAttr, minSize, maxSize, multiple, maxFiles, validator]);
var onDragOverCb = useCallback(function (event) {
event.preventDefault();
event.persist();
stopPropagation(event);
var hasFiles = isEvtWithFiles(event);
if (hasFiles && event.dataTransfer) {
try {
event.dataTransfer.dropEffect = "copy";
} catch (_unused) {}
/* eslint-disable-line no-empty */
}
if (hasFiles && onDragOver) {
onDragOver(event);
}
return false;
}, [onDragOver, noDragEventsBubbling]);
var onDragLeaveCb = useCallback(function (event) {
event.preventDefault();
event.persist();
stopPropagation(event); // Only deactivate once the dropzone and all children have been left
var targets = dragTargetsRef.current.filter(function (target) {
return 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)
var 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]);
var setFiles = useCallback(function (files, event) {
var acceptedFiles = [];
var fileRejections = [];
files.forEach(function (file) {
var _fileAccepted = fileAccepted(file, acceptAttr),
_fileAccepted2 = _slicedToArray(_fileAccepted, 2),
accepted = _fileAccepted2[0],
acceptError = _fileAccepted2[1];
var _fileMatchSize = fileMatchSize(file, minSize, maxSize),
_fileMatchSize2 = _slicedToArray(_fileMatchSize, 2),
sizeMatch = _fileMatchSize2[0],
sizeError = _fileMatchSize2[1];
var customErrors = validator ? validator(file) : null;
if (accepted && sizeMatch && !customErrors) {
acceptedFiles.push(file);
} else {
var errors = [acceptError, sizeError];
if (customErrors) {
errors = errors.concat(customErrors);
}
fileRejections.push({
file: file,
errors: errors.filter(function (e) {
return e;
})
});
}
});
if (!multiple && acceptedFiles.length > 1 || multiple && maxFiles >= 1 && acceptedFiles.length > maxFiles) {
// Reject everything and empty accepted files
acceptedFiles.forEach(function (file) {
fileRejections.push({
file: file,
errors: [TOO_MANY_FILES_REJECTION]
});
});
acceptedFiles.splice(0);
}
dispatch({
acceptedFiles: acceptedFiles,
fileRejections: 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]);
var onDropCb = useCallback(function (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(function (files) {
if (isPropagationStopped(event) && !noDragEventsBubbling) {
return;
}
setFiles(files, event);
}).catch(function (e) {
return onErrCb(e);
});
}
dispatch({
type: "reset"
});
}, [getFilesFromEvent, setFiles, onErrCb, noDragEventsBubbling]); // Fn for opening the file dialog programmatically
var openFileDialog = useCallback(function () {
// 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
var opts = {
multiple: multiple,
types: pickerTypes
};
window.showOpenFilePicker(opts).then(function (handles) {
return getFilesFromEvent(handles);
}).then(function (files) {
setFiles(files, null);
dispatch({
type: "closeDialog"
});
}).catch(function (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
var onKeyDownCb = useCallback(function (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
var onFocusCb = useCallback(function () {
dispatch({
type: "focus"
});
}, []);
var onBlurCb = useCallback(function () {
dispatch({
type: "blur"
});
}, []); // Cb to open the file dialog when click occurs on the dropzone
var onClickCb = useCallback(function () {
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]);
var composeHandler = function composeHandler(fn) {
return disabled ? null : fn;
};
var composeKeyboardHandler = function composeKeyboardHandler(fn) {
return noKeyboard ? null : composeHandler(fn);
};
var composeDragHandler = function composeDragHandler(fn) {
return noDrag ? null : composeHandler(fn);
};
var stopPropagation = function stopPropagation(event) {
if (noDragEventsBubbling) {
event.stopPropagation();
}
};
var getRootProps = useMemo(function () {
return function () {
var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
_ref2$refKey = _ref2.refKey,
refKey = _ref2$refKey === void 0 ? "ref" : _ref2$refKey,
role = _ref2.role,
onKeyDown = _ref2.onKeyDown,
onFocus = _ref2.onFocus,
onBlur = _ref2.onBlur,
onClick = _ref2.onClick,
onDragEnter = _ref2.onDragEnter,
onDragOver = _ref2.onDragOver,
onDragLeave = _ref2.onDragLeave,
onDrop = _ref2.onDrop,
rest = _objectWithoutProperties(_ref2, _excluded3);
return _objectSpread(_objectSpread(_defineProperty({
onKeyDown: composeKeyboardHandler(composeEventHandlers(onKeyDown, onKeyDownCb)),
onFocus: composeKeyboardHandler(composeEventHandlers(onFocus, onFocusCb)),
onBlur: composeKeyboardHandler(composeEventHandlers(onBlur, onBlurCb)),
onClick: composeHandler(composeEventHandlers(onClick, onClickCb)),
onDragEnter: composeDragHandler(composeEventHandlers(onDragEnter, onDragEnterCb)),
onDragOver: composeDragHandler(composeEventHandlers(onDragOver, onDragOverCb)),
onDragLeave: composeDragHandler(composeEventHandlers(onDragLeave, onDragLeaveCb)),
onDrop: composeDragHandler(composeEventHandlers(onDrop, onDropCb)),
role: typeof role === "string" && role !== "" ? role : "presentation"
}, refKey, rootRef), !disabled && !noKeyboard ? {
tabIndex: 0
} : {}), rest);
};
}, [rootRef, onKeyDownCb, onFocusCb, onBlurCb, onClickCb, onDragEnterCb, onDragOverCb, onDragLeaveCb, onDropCb, noKeyboard, noDrag, disabled]);
var onInputElementClick = useCallback(function (event) {
event.stopPropagation();
}, []);
var getInputProps = useMemo(function () {
return function () {
var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
_ref3$refKey = _ref3.refKey,
refKey = _ref3$refKey === void 0 ? "ref" : _ref3$refKey,
onChange = _ref3.onChange,
onClick = _ref3.onClick,
rest = _objectWithoutProperties(_ref3, _excluded4);
var inputProps = _defineProperty({
accept: acceptAttr,
multiple: multiple,
type: "file",
style: {
display: "none"
},
onChange: composeHandler(composeEventHandlers(onChange, onDropCb)),
onClick: composeHandler(composeEventHandlers(onClick, onInputElementClick)),
tabIndex: -1
}, refKey, inputRef);
return _objectSpread(_objectSpread({}, inputProps), rest);
};
}, [inputRef, accept, multiple, onDropCb, disabled]);
return _objectSpread(_objectSpread({}, state), {}, {
isFocused: isFocused && !disabled,
getRootProps: getRootProps,
getInputProps: getInputProps,
rootRef: rootRef,
inputRef: 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 _objectSpread(_objectSpread({}, state), {}, {
isFocused: true
});
case "blur":
return _objectSpread(_objectSpread({}, state), {}, {
isFocused: false
});
case "openDialog":
return _objectSpread(_objectSpread({}, initialState), {}, {
isFileDialogActive: true
});
case "closeDialog":
return _objectSpread(_objectSpread({}, state), {}, {
isFileDialogActive: false
});
case "setDraggedFiles":
return _objectSpread(_objectSpread({}, state), {}, {
isDragActive: action.isDragActive,
isDragAccept: action.isDragAccept,
isDragReject: action.isDragReject
});
case "setFiles":
return _objectSpread(_objectSpread({}, state), {}, {
acceptedFiles: action.acceptedFiles,
fileRejections: action.fileRejections
});
case "reset":
return _objectSpread({}, initialState);
default:
return state;
}
}
function noop() {}
export { ErrorCode } from "./utils";