generator-simple-aspnet/app/templates/src/gulpfile.js

a simple and opinionated aspnet5 yeoman generator

/*jslint node: true */
var del = require('del');
var runSequence = require('run-sequence');

var gulp = require('gulp');
var p = require('gulp-load-plugins')();

var less = p.less;
var autoprefixer = p.autoprefixer;
var rename = p.rename;
var uglify = p.uglify;
var concat = p.concat;
var aspnet = p.aspnetK;

var browserSync = require('browser-sync');
var reload = browserSync.reload;

var opts = {
  buildFolder: './wwwroot/',
  client: {
    less: {
      main: './client/less/_.less',
      files: './client/less/**/*.less',
      destinationFilename: 'app.css'
    },
    js: {
      files: './client/js/**/*.js',
      destinationFilename: 'app.js'
    },
    image: {
      files: [
        './client/images/**/*.png',
        './client/images/**/*.jpg'
      ]
    }
  },
  server: {
    cs: {
      files: './server/**/*.cs'
    },
    cshtml: {
      files: './server/Views/**/*.cshtml'
    },
    aspnet: {
      kCommand: 'kestrel',
      cwd: './server'
    }
  }
};

gulp.task('clean', function(cb) {
  del([opts.buildFolder], cb);
});

gulp.task('js', function() {
  gulp.src(opts.client.js.files)
    .pipe(uglify())
    .pipe(concat(opts.client.js.destinationFilename))
    .pipe(gulp.dest(opts.buildFolder))
    .pipe(reload({
      stream: true
    }));
});

gulp.task('aspnet', ['build-client'], aspnet(opts.server.aspnet));

gulp.task('less', function() {
  gulp.src(opts.client.less.main)
    .pipe(less())
    .pipe(autoprefixer('last 2 versions', '> 5%'))
    .pipe(rename(opts.client.less.destinationFilename))
    .pipe(gulp.dest(opts.buildFolder))
    .pipe(reload({
      stream: true
    }));
});

gulp.task('images', function() {
  gulp.src(opts.client.image.files)
    .pipe(gulp.dest(opts.buildFolder));
});

gulp.task('browser-sync', function() {
  browserSync({
    proxy: "localhost:5004",
  });
});

gulp.task('bs-reload', function() {
  browserSync.reload();
});

gulp.task('server-reload', function(cb) {
  runSequence('aspnet', 'bs-reload', cb);
});

gulp.task('build-client', function(cb) {
  runSequence('clean', ['less', 'js', 'images'], cb);
});

gulp.task('default', function(cb) {
  gulp.watch(opts.server.cs.files, ['server-reload']);
  gulp.watch(opts.server.cshtml.files, ['bs-reload']);
  gulp.watch(opts.client.less.files, ['less']);
  gulp.watch(opts.client.js.files, ['js']);

  runSequence('build-client', ['aspnet', 'browser-sync'], cb);
});