aodb/build/gulp/compile-template.js

var gulp = require('gulp'),
    minifyHTML = require('gulp-minify-html');

module.exports = gulp.task('compile-template', function () {
    var ret;
    if (environment === 'development') {
        ret = gulp.src('./www/app/**/*.tpl.html')
                  .pipe(gulp.dest('./www/app/'));
    } else {
        var opts = {
            conditionals: true,
            spare: true
        };
        ret = gulp.src(['./app/**/*.tpl.html', './app/**/*.html'])
                  .pipe(minifyHTML(opts))
                  .pipe(gulp.dest('./www/app/'));

    }
    return ret;
});