ng2-adal/gulp/clean.js

Use Azure AD Library - ADAL in Angular 4 & 2. For Angular 4, use latest version 1.x.x. For Angular 2 use 0.3.1 version.

const gulp = require('gulp');
const del = require('del');
const config = require('./config');

gulp.task('clean:dist', (done) => del([config.PATHS.dist.base + "/*"], done));

gulp.task('clean', ['clean:dist']);