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/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
import { basename } from 'node:path'
import mime from 'mime'
class FileSystemEntry {
private _isFile: boolean
private _fullPath: string
constructor(isFile: boolean, fullPath: string) {
this._isFile = isFile
this._fullPath = fullPath
}
get isFile() {
return !!this._isFile
}
get isDirectory() {
return !this.isFile
}
get name() {
return basename(this._fullPath)
}
}
export class FileSystemFileEntry extends FileSystemEntry {
private _contents: string
private _lastModified: number
constructor(fullPath: string, contents: string, lastModified = Date.now()) {
super(true, fullPath)
this._contents = contents
this._lastModified = lastModified
}
file(success: (file: File) => void) {
const lastModified = this._lastModified
// Faking the mime by using the file extension
const type = mime.getType(this.name) || ''
success(new File([this._contents], this.name, { lastModified, type }))
}
}
export class FileSystemDirectoryEntry extends FileSystemEntry {
private _entries: FileSystemEntry[]
constructor(fullPath: string, entries: FileSystemEntry[]) {
super(false, fullPath)
this._entries = entries || []
}
createReader() {
let read = false
return {
readEntries: (success: (entries: FileSystemEntry[]) => void) => {
if (read) {
return success([])
}
read = true
success(this._entries)
},
}
}
}
/**
* This mocks the File API's File class
* It will allow us to test the Filesystem API as well as the
* File API in the same test suite.
*/
export class DataTransferItem {
private _type: string
private _entry: FileSystemEntry
getAsEntry?: () => FileSystemEntry
constructor(type = '', entry: FileSystemEntry, isFileSystemAPIAvailable = true) {
this._type = type
this._entry = entry
// Only when the Files API is available we are
// able to get the entry
if (isFileSystemAPIAvailable) {
this.getAsEntry = () => this._entry
}
}
get kind() {
return 'file'
}
get type() {
return this._type
}
getAsFile(): File|null {
if (this._entry.isFile && this._entry instanceof FileSystemFileEntry) {
let file: File | null = null
this._entry.file((f) => {
file = f
})
return file
}
// The browser will return an empty File object if the entry is a directory
return new File([], this._entry.name, { type: '' })
}
}
export const fileSystemEntryToDataTransferItem = (entry: FileSystemEntry, isFileSystemAPIAvailable = true): DataTransferItem => {
return new DataTransferItem(
entry.isFile ? 'text/plain' : 'httpd/unix-directory',
entry,
isFileSystemAPIAvailable,
)
}
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