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Signed-off-by: Pedro Lamas <pedrolamas@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| import consola from 'consola' | ||
|
|
||
| type EntryWithPath = { | ||
| entry: FileSystemEntry, | ||
| path: string | ||
| } | ||
| export type FileWithPath = { | ||
| file: File, | ||
| path: string | ||
| } | ||
|
|
||
| const isFile = (item: FileSystemEntry): item is FileSystemFileEntry => item.isFile | ||
|
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| const isDirectory = (item: FileSystemEntry): item is FileSystemDirectoryEntry => item.isDirectory | ||
|
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| const getFileAsync = async (fileEntry: FileSystemFileEntry) => { | ||
| try { | ||
| return new Promise<File>((resolve, reject) => fileEntry.file(resolve, reject)) | ||
| } catch (e) { | ||
| consola.error('[FileSystemFileEntry] file', e) | ||
| } | ||
| } | ||
|
|
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| const readEntriesAsync = async (directoryReader: FileSystemDirectoryReader) => { | ||
| try { | ||
| return new Promise<FileSystemEntry[]>((resolve, reject) => directoryReader.readEntries(resolve, reject)) | ||
| } catch (e) { | ||
| consola.error('[FileSystemDirectoryReader] readEntries', e) | ||
| } | ||
| } | ||
|
|
||
| export const getFilesFromDataTransfer = async (dataTransfer: DataTransfer) => { | ||
| if (dataTransfer.items.length) { | ||
| const entries = [...dataTransfer.items] | ||
| .map(x => x.webkitGetAsEntry()) | ||
| .filter((x): x is FileSystemEntry => !!x) | ||
|
|
||
| return await getFilesFromFileSystemEntries(entries) | ||
| } else if (dataTransfer.files.length) { | ||
| return convertFilesToFilesWithPath(dataTransfer.files) | ||
| } | ||
| } | ||
|
|
||
| export const getFilesWithPathFromHTMLInputElement = async (input: HTMLInputElement) => { | ||
| if (input.webkitEntries.length) { | ||
| return await getFilesFromFileSystemEntries(input.webkitEntries) | ||
| } else if (input.files?.length) { | ||
| return convertFilesToFilesWithPath(input.files) | ||
| } | ||
| } | ||
|
|
||
| export const convertFilesToFilesWithPath = (files: File[] | FileList) => { | ||
| return [...files] | ||
| .map(file => ({ | ||
| file, | ||
| path: file.webkitRelativePath.slice(0, -file.name.length) | ||
| } as FileWithPath)) | ||
| } | ||
|
|
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| export const getFilesFromFileSystemEntries = async (entries: readonly FileSystemEntry[]) => { | ||
| const files: FileWithPath[] = [] | ||
| const items = entries | ||
| .map(entry => ({ | ||
| entry, | ||
| path: '' | ||
| } as EntryWithPath)) | ||
|
|
||
| let item = items.pop() | ||
| while (item) { | ||
| if (isFile(item.entry)) { | ||
| const file = await getFileAsync(item.entry) | ||
|
|
||
| if (file) { | ||
| files.push({ | ||
| file, | ||
| path: item.path | ||
| }) | ||
| } | ||
| } else if (isDirectory(item.entry)) { | ||
| const subEntries = await readEntriesAsync(item.entry.createReader()) | ||
|
|
||
| if (subEntries) { | ||
| for (const entry of subEntries) { | ||
| items.push({ | ||
| entry, | ||
| path: item.path + item.entry.name + '/' | ||
| }) | ||
| } | ||
| } | ||
| } | ||
|
|
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| item = items.pop() | ||
| } | ||
|
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| return files | ||
| } |