univ-fs-webnfs/lib/WnfsDirectory.js

The universal Filesystem for Web File System Access API (Native File System API)

import { AbstractDirectory, EntryType, joinPaths } from "univ-fs";
export class WnfsDirectory extends AbstractDirectory {
    constructor(wfs, path) {
        super(wfs, path);
        this.wfs = wfs;
    }
    async _doDelete() {
        if (this.path === "/") {
            return;
        }
        const { parent, name } = await this.wfs._getParent(this.path);
        await parent.removeEntry(name);
    }
    async _doList() {
        const directoryHandle = await this._getDirectoryHandle(false);
        const items = [];
        const entries = directoryHandle.entries();
        let result = await entries.next();
        while (!result.done) {
            const [name, handle] = result.value;
            items.push({
                path: joinPaths(this.path, name),
                type: handle.kind === "file" ? EntryType.File : EntryType.Directory,
            });
            result = await entries.next();
        }
        return items;
    }
    async _doMkcol() {
        if (this.path === "/") {
            return;
        }
        await this._getDirectoryHandle(true);
    }
    async _getDirectoryHandle(create) {
        if (this.path === "/") {
            return await this.wfs._getRoot();
        }
        const { parent, name } = await this.wfs._getParent(this.path);
        return await parent.getDirectoryHandle(name, { create });
    }
}
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