gulp.task('default', function() {
    var bower = require('main-bower-files');
    var bowerNormalizer = require('gulp-bower-normalize');
    return gulp.src(bower(), {base: './bower_components'})
        .pipe(bowerNormalizer({bowerJson: './bower.json'}))
        .pipe(gulp.dest('./bower_dependencies/'))
});

{
    name and otherstuff
    "dependencies": {
        "dependency1": "~1.0.1"
        "dependency2": "~1.0.1"
        "dependency3": "~1.0.1"
        "dependency4": "~1.0.1"
    },
    "overrides": {
        // Muli allows one normalize definition to span multiple dependencies
        // NOTE: This is first one in wins for the multi list and will always
        // defer to the overrides.
        "normalizeMulti": [
            {
                "dependencies": ["dependency1", "dependency2"],
                "normalize": {
                    "img": ["*.jpeg", "*.png", "*.jpg"],
                    "font": ["*.ttf", "*.woff2"]
                }
            },
            {
                "dependencies": ["dependency2", "dependency3"],
                "normalize": {
                    // Note since dependency3 defines js, it won't get this definition
                    "js": ["*.js", "*.less"],
                }
            },
            {
                "dependencies": ["dependency2"],
                "normalize": {
                    // Note since dependency2 already had js defined by the multi, it won't get this definition
                    "js": ["*.*"],
                }
            }
        ],
        // Implicitly normalizes this file by file extension 'dependency1/js/some.js'
        "dependency1": {
            "main": "some.js"
        },
        // Implicitly organized into 'dependency2/js/some.js' 'dependency2/js/some.js'
        "dependency2": {
            "main": ["some.js", "some.css"]
        },
        // Explicitly organized into 'dependency3/js/some.js', 'dependency3/css/some.ext', 'dependency3/css/some.css'
        "dependency3": {
            "main": ["some.js", "some.ext", "some.css"],
            "normalize": {
                "js": "*.js",
                "css": ["*.ext", "*.css"]
            }
        } // dependency4 is implicitly organized into 'dependency4/<ext>/<file>
    }
}