microsoft/vscode-react-native

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for details.

import {Node} from "../node/node";
import * as pathModule from "path";

export interface IPackageInformation {
    name: string;
}

export class Package {
    private _path: string;
    private INFORMATION_PACKAGE_FILENAME = "package.json";

    constructor(path: string) {
        this._path = path;
    }

    private informationJsonFilePath(): string {
        return pathModule.resolve(this._path, this.INFORMATION_PACKAGE_FILENAME);
    }

    public information(): Q.Promise<IPackageInformation> {
        return new Node.FileSystem().readFile(this.informationJsonFilePath(), "utf8")
            .then(data =>
                <IPackageInformation>JSON.parse(data));
    }

    public name(): Q.Promise<string> {
        return this.information().then(information =>
            <string>information.name);
    }

    public path() {
        return this._path;
    }
}