gulpfile.js

var gulp = require("gulp");
var wiredep = require("wiredep").stream;
var $ = require("gulp-load-plugins")();
var es = require("event-stream");

gulp.task("styles", function() {
  return gulp
    .src("./stylesheets/*.scss")
    .pipe($.sass().on("error", handleError))
    .pipe(gulp.dest("./stylesheets"));
});

gulp.task("wiredep", function() {
  return gulp
    .src("./index.html")
    .pipe(wiredep())
    .pipe(gulp.dest("."));
});

gulp.task(
  "default",
  gulp.series(["styles", "wiredep"], function() {
    var sourcesJs = gulp
      .src(["./javascripts/**/*.js"])
      .pipe($.angularFilesort())
      .pipe($.debug({ title: "DEBUG:" }));
    var sourcesCss = gulp
      .src(["./stylesheets/*.css"], { read: false })
      .pipe($.debug({ title: "DEBUG:" }));
    return gulp
      .src("./index.html")
      .pipe($.inject(es.merge(sourcesJs, sourcesCss), { addRootSlash: false }))
      .pipe(gulp.dest("."));
  })
);

gulp.task(
  "watch",
  gulp.series(["styles"], function() {
    gulp.watch("stylesheets/*.scss", ["default"]);
    gulp.watch("javascripts/**/*.js", ["default"]);
    gulp.watch("bower.json", ["default"]);
  })
);

gulp.task("buildposts", function() {
  return gulp
    .src("posts/**/*.md")
    .pipe($.debug({ title: "DEBUG:" }))
    .pipe($.markdown())
    .pipe(gulp.dest("digested_posts"));
});
function handleError(err) {
  console.error(err.toString());
  this.emit("end");
}