TypeScript clui.Spinner类代码示例

		return (() => {
			let [platform, version] = platformParam.split("@");

			this.validatePlatform(platform);

			let platformPath = path.join(this.$projectData.platformsDir, platform);

			if (this.$fs.exists(platformPath).wait()) {
				this.$errors.failWithoutHelp("Platform %s already added", platform);
			}

			let platformData = this.$platformsData.getPlatformData(platform);

			// Copy platform specific files in platforms dir
			let platformProjectService = platformData.platformProjectService;
			platformProjectService.validate().wait();

			// Log the values for project
			this.$logger.trace("Creating NativeScript project for the %s platform", platform);
			this.$logger.trace("Path: %s", platformData.projectRoot);
			this.$logger.trace("Package: %s", this.$projectData.projectId);
			this.$logger.trace("Name: %s", this.$projectData.projectName);

			this.$logger.out("Copying template files...");

			let packageToInstall = "";
			let npmOptions: IStringDictionary = {
				pathToSave: path.join(this.$projectData.platformsDir, platform)
			};

			if (this.$options.frameworkPath) {
				packageToInstall = this.$options.frameworkPath;
			} else {
				packageToInstall = platformData.frameworkPackageName;
				npmOptions["version"] = version;
			}

			let spinner = new clui.Spinner("Installing " + packageToInstall);
			try {
				spinner.start();
				let downloadedPackagePath = this.$npmInstallationManager.install(packageToInstall, npmOptions).wait();
				let frameworkDir = path.join(downloadedPackagePath, constants.PROJECT_FRAMEWORK_FOLDER_NAME);
				frameworkDir = path.resolve(frameworkDir);

				this.addPlatformCore(platformData, frameworkDir).wait();
			} catch (err) {
				this.$fs.deleteDirectory(platformPath).wait();
				throw err;
			} finally {
				spinner.stop();
			}

			this.$logger.out("Project successfully created.");

		}).future<void>()();

// Sparkline
const reqsPerSec = [10, 12, 3, 7, 12, 9, 23, 10, 9, 19, 16, 18, 12, 12];

console.log(Sparkline(reqsPerSec, 'reqs/sec'));

// Progress
const thisProgressBar = new Progress(20);
console.log(thisProgressBar.update(10, 30));

// or

const thisPercentBar = new Progress(20);
console.log(thisPercentBar.update(0.4));

// Spinner
const countdown = new Spinner('Exiting in 10 seconds...  ', ['⣾', '⣽', '⣻', '⢿', '⡿', '⣟', '⣯', '⣷']);

countdown.start();

let n = 10;
const interval = setInterval(() => {
  n--;
  countdown.message(`Exiting in ${n} seconds...`);
  if (n === 0) {
    console.log('\n');
    countdown.stop();
    clearInterval(interval);
  }
}, 1000);

const interval = setInterval(() => {
  n--;
  countdown.message(`Exiting in ${n} seconds...`);
  if (n === 0) {
    console.log('\n');
    countdown.stop();
    clearInterval(interval);
  }
}, 1000);