// Type definitions for klaw 1.3
// Project: https://github.com/jprichardson/node-klaw
// Definitions by: Matthew McEachen <https://github.com/mceachen>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/// <reference types="node" />

import * as fs from "fs";
import { Readable, ReadableOptions } from 'stream';

declare function K(root: string, options?: K.Options): K.Walker;

declare namespace K {
    interface Item {
        path: string;
        stats: fs.Stats;
    }

    type QueueMethod = "shift" | "pop";

    interface Options extends ReadableOptions {
        queueMethod?: QueueMethod;
        pathSorter?: (pathA: string, pathB: string) => number;
        fs?: any; // fs or mock-fs
        filter?: (path: string) => boolean;
    }

    type Event = "close" | "data" | "end" | "readable" | "error";

    interface Walker {
        on(event: Event, listener: Function): this;
        on(event: "close" | "end" | "readable", listener: () => void): this;
        on(event: "data", listener: (item: Item) => void): this;
        on(event: "error", listener: (err: Error) => void): this;
        read(): Item;
    }
}

export = K;