100 lines
No EOL
3.4 KiB
TypeScript
100 lines
No EOL
3.4 KiB
TypeScript
import { Accessor, Component, createContext, createSignal, For, JSX, Show, useContext } from "solid-js";
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import { AiFillFile, AiFillFolder, AiFillFolderOpen } from "solid-icons/ai";
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import { SelectionProvider, selectable } from "~/features/selectable";
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import css from "./filetree.module.css";
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import { debounce } from "~/utilities";
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selectable;
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export interface FileEntry {
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name: string;
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id: string;
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kind: 'file';
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meta: File;
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handle: FileSystemFileHandle;
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directory: FileSystemDirectoryHandle;
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}
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export interface FolderEntry {
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name: string;
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id: string;
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kind: 'folder';
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entries: Entry[];
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}
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export type Entry = FileEntry | FolderEntry;
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export const emptyFolder: FolderEntry = { name: '', id: '', kind: 'folder', entries: [] } as const;
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export async function* walk(directory: FileSystemDirectoryHandle, filters: RegExp[] = [], depth = 0): AsyncGenerator<Entry, void, never> {
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if (depth === 10) {
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return;
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}
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for await (const handle of directory.values()) {
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if (filters.some(f => f.test(handle.name))) {
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continue;
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}
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const id = await handle.getUniqueId();
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if (handle.kind === 'file') {
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yield { name: handle.name, id, kind: 'file', meta: await handle.getFile(), handle, directory };
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}
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else {
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yield { name: handle.name, id, kind: 'folder', entries: await Array.fromAsync(walk(handle, filters, depth + 1)) };
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}
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}
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}
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interface TreeContextType {
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open(file: File): void;
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}
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const TreeContext = createContext<TreeContextType>();
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export const Tree: Component<{ entries: Entry[], children: (file: Accessor<FileEntry>) => JSX.Element, open?: TreeContextType['open'] }> = (props) => {
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const [selection, setSelection] = createSignal<object[]>([]);
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const context = {
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open: props.open ?? (() => { }),
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};
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return <SelectionProvider selection={setSelection}>
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<TreeContext.Provider value={context}>
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<div class={css.root}><_Tree entries={props.entries} children={props.children} /></div>
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</TreeContext.Provider>
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</SelectionProvider>;
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}
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const _Tree: Component<{ entries: Entry[], children: (file: Accessor<FileEntry>) => JSX.Element }> = (props) => {
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const context = useContext(TreeContext);
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return <For each={props.entries.sort(sort_by('kind'))}>{
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entry => <>
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<Show when={entry.kind === 'folder' ? entry : undefined}>{
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folder => <Folder folder={folder()} children={props.children} />
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}</Show>
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<Show when={entry.kind === 'file' ? entry : undefined}>{
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file => <span use:selectable={{ value: file() }} ondblclick={() => context?.open(file().meta)}><AiFillFile /> {props.children(file)}</span>
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}</Show>
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</>
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}</For>
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}
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const Folder: Component<{ folder: FolderEntry, children: (file: Accessor<FileEntry>) => JSX.Element }> = (props) => {
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const [open, setOpen] = createSignal(true);
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return <details open={open()} ontoggle={() => debounce(() => setOpen(o => !o), 1)}>
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<summary><Show when={open()} fallback={<AiFillFolder />}><AiFillFolderOpen /></Show> {props.folder.name}</summary>
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<_Tree entries={props.folder.entries} children={props.children} />
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</details>;
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};
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const sort_by = (key: string) => (objA: Record<string, any>, objB: Record<string, any>) => {
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const a = objA[key];
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const b = objB[key];
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return Number(a < b) - Number(b < a);
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}; |