A gulp task that converts hard tabs to spaces.
soften([size])
soften()
takes a single parameter, size, which is the number of spaces to convert tabs into.
It returns a stream for use in a streaming system like gulp.js.
// Gulpfile.js
var gulp = require('gulp')
, soften = require('gulp-soften')
gulp.task('soften', function () {
gulp.src('./**/*.js')
.pipe(soften(2))
.pipe(gulp.dest('./'))
})