Gulp file for haml in Windows; please see http://sh4869.hatenablog.com/entry/2015/11/17/200237

gulpfile.js

var gulp = require('gulp');
var haml = require('gulp-ruby-haml');

gulp.task('haml', function() {
	gulp.src('./*.haml')
	.pipe(haml({encodings: "UTF-8"}))
	.pipe(gulp.dest('./'));
});

gulp.task('watch',function(){
	gulp.watch('./*.haml',['haml']);
});

gulp.task('default',['haml','watch']);