Using sass-rem with sass syntax

gulpfile.js

var gulp = require('gulp');
var sass = require('gulp-sass');
 
gulp.task('sass', function () {
    gulp.src('./*.sass')
        .pipe(sass({indentedSyntax: true}))
        .pipe(gulp.dest('./'));
});

test.css

html {
  font-size: 62.5%; }

body {
  font-size: 22px;
  font-size: 2.2rem;
  padding: 9px 6px 4px;
  padding: 0.9rem 0.6rem 0.4rem; }

test.sass

@import "bower_components/sass-rem/rem"

html
  font-size: 62.5%

body
  +rem((font-size: 22px, padding: 9px 6px 4px))