gulpFile.js

var gulp = require('gulp');
var replace = require('gulp-replace');
var htmlmin = require('gulp-htmlmin');

gulp.task('js:minify', function () {
  gulp.src(["./dist/main.*.js", "./dist/polyfills.*.js", "./dist/inline.*.js"])
    .pipe(replace(/\/\*([\s\S]*?)\*\/[\s\S]?/g, ""))
    .pipe(gulp.dest("./dist"));
});

gulp.task("html:basehref", function () {
  return gulp.src('dist/*.html')
    .pipe(replace("<base href=\"/\">", "<base href=\"/angular-simple-shopping-cart/\">"))
    .pipe(gulp.dest('./dist'));
});

gulp.task("html:minify", ["html:basehref"], function () {
  return gulp.src('dist/*.html')
    .pipe(htmlmin({ collapseWhitespace: true }))
    .pipe(gulp.dest('./dist'));
});

gulp.task("default", ["js:minify", "html:minify"]);