gulpfile.js

const gulp = require('gulp');
const istanbul = require('gulp-istanbul');
const mocha = require('gulp-mocha');

const nodemon = require('gulp-nodemon');

const async = () => {
    return Promise.resolve();
};

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

gulp.task('server', () => {
    async().then(() => require('./app/db').init(config.connectionString))
        .then((db) => require('./app/data').init(db))
        .then((data) => require('./app').init(data))
        .then((app) => {
            app.listen(config.port,
                () => console.log(`It Works at: ${config.port}`));
        })
        .catch((err) => {
            console.log(err);
        });
});

gulp.task('dev', ['server'], () => {
    return nodemon({
        ext: 'js',
        task: ['server'],
        script: 'server.js',
    });
});

gulp.task('pre-test', () => {
    return gulp.src(['./app/**/*.js', './models/*.js'])
        .pipe(istanbul({
            includeUntested: true,
        }))
        .pipe(istanbul.hookRequire());
});

gulp.task('alltests', ['pre-test'], () => {
    return gulp.src(['./tests/unit/**/*.js', './tests/integration/**/*.js'])
        .pipe(mocha({
            reporter: 'nyan',
        }))
        .pipe(istanbul.writeReports());
});

gulp.task('unittests', ['pre-test'], () => {
    return gulp.src(['./tests/unit/**/*.js'])
        .pipe(mocha({
            reporter: 'nyan',
        }))
        .pipe(istanbul.writeReports());
});