feat(core): add core task for dependencies installation

Author: Ovidiu Barabula

src/tasks/task-install-dependencies.spec.ts

@@ -0,0 +1,29 @@
+import { assert, expect } from 'chai';
+import 'mocha';
+import ConfigManager from '../config-manager';
+import ConfigManagerProxy from '../config-manager/config-manager-proxy';
+import Logger from '../util/logger';
+import { AnyFunction } from '../util/utility-functions';
+import { taskFn } from './task-install-dependencies';
+
+describe('#Task: Install Dependencies', () => {
+  const callback: AnyFunction = () => true;
+  const logger = Logger.getInstance()('init');
+  let config;
+  let pluginProvider;
+
+  beforeEach(async () => {
+    config = ConfigManagerProxy(await ConfigManager(), 'init');
+    pluginProvider = {
+      config,
+      logger,
+    };
+  });
+
+
+  it('returns a promise', async () => {
+    let wasCalled = false;
+    const customCallback = () => wasCalled = true;
+    expect(taskFn(customCallback, pluginProvider)).to.satisfy(subject => subject instanceof Promise);
+  });
+});

src/tasks/task-install-dependencies.ts

@@ -0,0 +1,33 @@
+/**
+ * Name: task-install-dependencies.ts
+ * Description: Task for installing plugin dependencies
+ * Author: Ovidiu Barabula <lectii2008@gmail.com>
+ * @since 1.1.0
+ */
+
+import depsManager from '../dependencies-manager';
+import { PluginProvider } from '../plugin-manager/installable';
+import { AnyFunction } from '../util/utility-functions';
+
+// Object to be exported
+const taskExport = {
+  description: 'Task for installing plugin dependencies',
+  hook: 'dependencies',
+  name: 'dependencies',
+  taskFn,
+};
+
+/**
+ * Task main function
+ * @param done Gulp async callback
+ * @param pluginProvider Assortment of tools for plugins and tasks (e.g. logger, config manager, etc.)
+ */
+async function taskFn(done: AnyFunction, { config, logger }: PluginProvider): Promise<void> {
+  return depsManager.install();
+}
+
+/* test:start */
+export { taskFn };
+/* test:end */
+
+export default taskExport;