react-dropzone-esm
Version:
Simple HTML5 drag-drop zone with React.js
193 lines (190 loc) • 6.69 kB
JavaScript
import _accepts from './attr-accept.mjs';
var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
for (var prop in b || (b = {}))
if (__hasOwnProp.call(b, prop))
__defNormalProp(a, prop, b[prop]);
if (__getOwnPropSymbols)
for (var prop of __getOwnPropSymbols(b)) {
if (__propIsEnum.call(b, prop))
__defNormalProp(a, prop, b[prop]);
}
return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
const accepts = typeof _accepts === "function" ? _accepts : _accepts.default;
const FILE_INVALID_TYPE = "file-invalid-type";
const FILE_TOO_LARGE = "file-too-large";
const FILE_TOO_SMALL = "file-too-small";
const TOO_MANY_FILES = "too-many-files";
const ErrorCode = {
FileInvalidType: FILE_INVALID_TYPE,
FileTooLarge: FILE_TOO_LARGE,
FileTooSmall: FILE_TOO_SMALL,
TooManyFiles: TOO_MANY_FILES
};
const getInvalidTypeRejectionErr = (accept = "") => {
const acceptArr = accept.split(",");
const msg = acceptArr.length > 1 ? `one of ${acceptArr.join(", ")}` : acceptArr[0];
return {
code: FILE_INVALID_TYPE,
message: `File type must be ${msg}`
};
};
const getTooLargeRejectionErr = (maxSize) => {
return {
code: FILE_TOO_LARGE,
message: `File is larger than ${maxSize} ${maxSize === 1 ? "byte" : "bytes"}`
};
};
const getTooSmallRejectionErr = (minSize) => {
return {
code: FILE_TOO_SMALL,
message: `File is smaller than ${minSize} ${minSize === 1 ? "byte" : "bytes"}`
};
};
const TOO_MANY_FILES_REJECTION = {
code: TOO_MANY_FILES,
message: "Too many files"
};
function fileAccepted(file, accept) {
const isAcceptable = file.type === "application/x-moz-file" || accepts(file, accept);
return [
isAcceptable,
isAcceptable ? null : getInvalidTypeRejectionErr(accept)
];
}
function fileMatchSize(file, minSize, maxSize) {
if (isDefined(file.size)) {
if (isDefined(minSize) && isDefined(maxSize)) {
if (file.size > maxSize)
return [false, getTooLargeRejectionErr(maxSize)];
if (file.size < minSize)
return [false, getTooSmallRejectionErr(minSize)];
} else if (isDefined(minSize) && file.size < minSize)
return [false, getTooSmallRejectionErr(minSize)];
else if (isDefined(maxSize) && file.size > maxSize)
return [false, getTooLargeRejectionErr(maxSize)];
}
return [true, null];
}
function isDefined(value) {
return value !== void 0 && value !== null;
}
function allFilesAccepted({
files,
accept,
minSize,
maxSize,
multiple,
maxFiles,
validator
}) {
if (!multiple && files.length > 1 || multiple && maxFiles >= 1 && files.length > maxFiles) {
return false;
}
return files.every((file) => {
const [accepted] = fileAccepted(file, accept);
const [sizeMatch] = fileMatchSize(file, minSize, maxSize);
const customErrors = validator ? validator(file) : null;
return accepted && sizeMatch && !customErrors;
});
}
function isPropagationStopped(event) {
if (typeof event.isPropagationStopped === "function") {
return event.isPropagationStopped();
} else if (typeof event.cancelBubble !== "undefined") {
return event.cancelBubble;
}
return false;
}
function isEvtWithFiles(event) {
if (!event.dataTransfer) {
return !!event.target && !!event.target.files;
}
return Array.prototype.some.call(
event.dataTransfer.types,
(type) => type === "Files" || type === "application/x-moz-file"
);
}
function onDocumentDragOver(event) {
event.preventDefault();
}
function isIe(userAgent) {
return userAgent.indexOf("MSIE") !== -1 || userAgent.indexOf("Trident/") !== -1;
}
function isEdge(userAgent) {
return userAgent.indexOf("Edge/") !== -1;
}
function isIeOrEdge(userAgent = window.navigator.userAgent) {
return isIe(userAgent) || isEdge(userAgent);
}
function composeEventHandlers(...fns) {
return (event, ...args) => fns.some((fn) => {
if (!isPropagationStopped(event) && fn) {
fn(event, ...args);
}
return isPropagationStopped(event);
});
}
function canUseFileSystemAccessAPI() {
return "showOpenFilePicker" in window;
}
function pickerOptionsFromAccept(accept) {
if (isDefined(accept)) {
const acceptForPicker = Object.entries(accept).filter(([mimeType, ext]) => {
let ok = true;
if (!isMIMEType(mimeType)) {
console.warn(
`Skipped "${mimeType}" because it is not a valid MIME type. Check https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types for a list of valid MIME types.`
);
ok = false;
}
if (!Array.isArray(ext) || !ext.every(isExt)) {
console.warn(
`Skipped "${mimeType}" because an invalid file extension was provided.`
);
ok = false;
}
return ok;
}).reduce(
(agg, [mimeType, ext]) => __spreadProps(__spreadValues({}, agg), {
[mimeType]: ext
}),
{}
);
return [
{
// description is required due to https://crbug.com/1264708
description: "Files",
accept: acceptForPicker
}
];
}
return accept;
}
function acceptPropAsAcceptAttr(accept) {
if (isDefined(accept)) {
return Object.entries(accept).reduce((a, [mimeType, ext]) => [...a, mimeType, ...ext], []).filter((v) => isMIMEType(v) || isExt(v)).join(",");
}
return void 0;
}
function isAbort(v) {
return v instanceof DOMException && (v.name === "AbortError" || v.code === v.ABORT_ERR);
}
function isSecurityError(v) {
return v instanceof DOMException && (v.name === "SecurityError" || v.code === v.SECURITY_ERR);
}
function isMIMEType(v) {
return v === "audio/*" || v === "video/*" || v === "image/*" || v === "text/*" || v === "application/*" || /\w+\/[-+.\w]+/g.test(v);
}
function isExt(v) {
return /^.*\.[\w]+$/.test(v);
}
export { ErrorCode, FILE_INVALID_TYPE, FILE_TOO_LARGE, FILE_TOO_SMALL, TOO_MANY_FILES, TOO_MANY_FILES_REJECTION, acceptPropAsAcceptAttr, allFilesAccepted, canUseFileSystemAccessAPI, composeEventHandlers, fileAccepted, fileMatchSize, getInvalidTypeRejectionErr, getTooLargeRejectionErr, getTooSmallRejectionErr, isAbort, isEvtWithFiles, isExt, isIeOrEdge, isMIMEType, isPropagationStopped, isSecurityError, onDocumentDragOver, pickerOptionsFromAccept };