export async function run(packagingLocation: PackagingLocation): Promise<void> {
    const workingDir = tl.getInput(NpmTaskInput.WorkingDir) || process.cwd();
    const npmrc = util.getTempNpmrcPath();
    const npmRegistry: INpmRegistry = await getPublishRegistry(packagingLocation);

    tl.debug(tl.loc('PublishRegistry', npmRegistry.url));
    util.appendToNpmrc(npmrc, `registry=${npmRegistry.url}\n`);
    util.appendToNpmrc(npmrc, `${npmRegistry.auth}\n`);

    // For publish, always override their project .npmrc
    const npm = new NpmToolRunner(workingDir, npmrc, true);
    npm.line('publish');

    npm.execSync();

    tl.rmRF(npmrc);
    tl.rmRF(util.getTempPath());
}

export async function run(packagingLocation: PackagingLocation, command?: string): Promise<void> {
    const workingDir = tl.getInput(NpmTaskInput.WorkingDir) || process.cwd();
    const npmrc = util.getTempNpmrcPath();
    const npmRegistries: INpmRegistry[] = await getCustomRegistries(packagingLocation);
    const overrideNpmrc = (tl.getInput(NpmTaskInput.CustomRegistry) === RegistryLocation.Feed) ? true : false;

    for (const registry of npmRegistries) {
        if (registry.authOnly === false) {
            tl.debug(tl.loc('UsingRegistry', registry.url));
            util.appendToNpmrc(npmrc, `registry=${registry.url}\n`);
        }

        tl.debug(tl.loc('AddingAuthRegistry', registry.url));
        util.appendToNpmrc(npmrc, `${registry.auth}\n`);
    }

    const npm = new NpmToolRunner(workingDir, npmrc, overrideNpmrc);
    npm.line(command || tl.getInput(NpmTaskInput.CustomCommand, true));

    npm.execSync();

    tl.rmRF(npmrc);
    tl.rmRF(util.getTempPath());
}

//.........这里部分代码省略.........
    else if (!tl.exist(npmrc)) {
        throw new Error(tl.loc('NpmrcDoesNotExist', npmrc));
    }
    else {
        console.log(tl.loc("AuthenticatingThisNpmrc", npmrc));
    }

    if (tl.getVariable("SAVE_NPMRC_PATH")) {
         saveNpmrcPath = tl.getVariable("SAVE_NPMRC_PATH");
    }
    else {
        let tempPath = tl.getVariable('Agent.BuildDirectory') || tl.getVariable('Agent.ReleaseDirectory') || process.cwd();
        tempPath = path.join(tempPath, 'npmAuthenticate');
        tl.mkdirP(tempPath);
        saveNpmrcPath = fs.mkdtempSync(tempPath + path.sep); 
        tl.setVariable("SAVE_NPMRC_PATH", saveNpmrcPath, false);
        tl.setVariable("NPM_AUTHENTICATE_TEMP_DIRECTORY", tempPath, false);
    }
    let npmrcTable: Object;

    //The index file is a json object that keeps track of where .npmrc files are saved.
    //There is a key-value pairing of filepaths of original npmrc files to IDs.
    //This is important so multiple runs of the npm Authenticate task on the same .npmrc file actually reverts to the original after the build completes.
    let indexFile = path.join(saveNpmrcPath, 'index.json');

    if (fs.existsSync(indexFile)) { //If the file exists, add to it.
        npmrcTable = JSON.parse(fs.readFileSync(indexFile, 'utf8'));
        
    }
    else { //If the file doesn't exist, create it. 
        npmrcTable = new Object();
        npmrcTable['index'] = 0;
    }

    if (npmrcTable[npmrc] === undefined) {
        npmrcTable[npmrc] = npmrcTable['index'];
        npmrcTable['index']++;
        fs.writeFileSync(indexFile, JSON.stringify(npmrcTable));
        util.saveFileWithName(npmrc, npmrcTable[npmrc], saveNpmrcPath);
    }

    let endpointRegistries: npmregistry.INpmRegistry[] = [];
    let endpointIds = tl.getDelimitedInput(constants.NpmAuthenticateTaskInput.CustomEndpoint, ',');
    if (endpointIds && endpointIds.length > 0) {
        await Promise.all(endpointIds.map(async e => {
            endpointRegistries.push(await npmregistry.NpmRegistry.FromServiceEndpoint(e, true));
        }));
    }

    let packagingLocation: pkgLocationUtils.PackagingLocation;
    try {
        packagingLocation = await pkgLocationUtils.getPackagingUris(pkgLocationUtils.ProtocolType.NuGet);
    } catch (error) {
        tl.debug('Unable to get packaging URIs, using default collection URI');
        tl.debug(JSON.stringify(error));
        const collectionUrl = tl.getVariable('System.TeamFoundationCollectionUri');
        packagingLocation = {
            PackagingUris: [collectionUrl],
            DefaultPackagingUri: collectionUrl
        };
    }
    let LocalNpmRegistries = await util.getLocalNpmRegistries(workingDirectory, packagingLocation.PackagingUris);
    
    let npmrcFile = fs.readFileSync(npmrc, 'utf8').split(os.EOL);
    for (let RegistryURLString of npmrcparser.GetRegistries(npmrc)) {
        let registryURL = URL.parse(RegistryURLString);
        let registry: npmregistry.NpmRegistry;
        if (endpointRegistries && endpointRegistries.length > 0) {
            for (let serviceEndpoint of endpointRegistries) {
                
                if (util.toNerfDart(serviceEndpoint.url) == util.toNerfDart(RegistryURLString)) {
                    let serviceURL = URL.parse(serviceEndpoint.url);              
                    console.log(tl.loc("AddingEndpointCredentials", registryURL.host));
                    registry = serviceEndpoint;
                    npmrcFile = clearFileOfReferences(npmrc, npmrcFile, serviceURL);
                    break;
                }
            }
        }
        if (!registry) {
            for (let localRegistry of LocalNpmRegistries) {
                if (util.toNerfDart(localRegistry.url) == util.toNerfDart(RegistryURLString)) {
                    let localURL = URL.parse(localRegistry.url);
                    console.log(tl.loc("AddingLocalCredentials"));
                    registry = localRegistry;
                    npmrcFile = clearFileOfReferences(npmrc, npmrcFile, localURL);
                    break;
                }
            }
        }
        if (registry) {
            tl.debug(tl.loc('AddingAuthRegistry', registry.url));
            util.appendToNpmrc(npmrc, os.EOL + registry.auth + os.EOL);
            npmrcFile.push(os.EOL + registry.auth + os.EOL);
        }
        else {
            console.log(tl.loc("IgnoringRegistry", registryURL.host ));
        }
    }
}