chore(package): re-init package with commitizen and standard-release

node_modules/listr/index.js

@@ -0,0 +1,104 @@
+'use strict';
+const Task = require('./lib/task');
+const TaskWrapper = require('./lib/task-wrapper');
+const renderer = require('./lib/renderer');
+
+const runTask = (task, context) => {
+	if (!task.isEnabled()) {
+		return Promise.resolve();
+	}
+
+	return new TaskWrapper(task).run(context);
+};
+
+class Listr {
+
+	constructor(tasks, opts) {
+		if (tasks && !Array.isArray(tasks) && typeof tasks === 'object') {
+			opts = tasks;
+			tasks = [];
+		}
+
+		if (tasks && !Array.isArray(tasks)) {
+			throw new TypeError('Expected an array of tasks');
+		}
+
+		this._options = Object.assign({
+			showSubtasks: true,
+			concurrent: false,
+			renderer: 'default',
+			nonTTYRenderer: 'verbose'
+		}, opts);
+		this._tasks = [];
+		this._RendererClass = renderer.getRenderer(this._options.renderer, this._options.nonTTYRenderer);
+
+		this.exitOnError = this._options.exitOnError;
+
+		this.add(tasks || []);
+	}
+
+	_checkAll(context) {
+		for (const task of this._tasks) {
+			task.check(context);
+		}
+	}
+
+	get tasks() {
+		return this._tasks;
+	}
+
+	setRenderer(value) {
+		this._RendererClass = renderer.getRenderer(value);
+	}
+
+	add(task) {
+		const tasks = Array.isArray(task) ? task : [task];
+
+		for (const task of tasks) {
+			this._tasks.push(new Task(this, task, this._options));
+		}
+
+		return this;
+	}
+
+	render() {
+		if (!this._renderer) {
+			this._renderer = new this._RendererClass(this._tasks, this._options);
+		}
+
+		return this._renderer.render();
+	}
+
+	run(context) {
+		this.render();
+
+		context = context || Object.create(null);
+
+		this._checkAll(context);
+
+		let tasks;
+		if (this._options.concurrent === true) {
+			tasks = Promise.all(this._tasks.map(task => runTask(task, context)));
+		} else {
+			tasks = this._tasks.reduce((promise, task) => promise.then(() => {
+				this._checkAll(context);
+
+				return runTask(task, context);
+			}), Promise.resolve());
+		}
+
+		return tasks
+			.then(() => {
+				this._renderer.end();
+
+				return context;
+			})
+			.catch(err => {
+				err.context = context;
+				this._renderer.end(err);
+				throw err;
+			});
+	}
+}
+
+module.exports = Listr;