LoicGoyet

// http://www.antimath.info/css/sass-sqrt-function/
@function sqrt($r) {
  $x0: 1;
  $x1: $x0;

  @for $i from 1 through 10 {
    $x1: $x0 - ($x0 * $x0 - abs($r)) / (2 * $x0);
    $x0: $x1;
  }

LoicGoyet

/// Contexts
/// @author Loïc Goyet
/// @param {Unit} $element1
/// @param {Unit} $element2
/// @param {Bool} $invert
/// @warn the params $big-element & $small-element must share the same type of
/// unit
@function get-diff-to-align($element1, $element2, $invert: true) {
  $big-element: if($element1 > $element2, $element1, $element2);
  $small-element: if($element1 > $element2, $element2, $element1);

LoicGoyet

var gulp = require('gulp');
var inject = require('gulp-inject');
 
gulp.task('inject', function () {
  var target = gulp.src('index.html');
  // It's not necessary to read the files (will speed up things), we're only after their paths: 
  var sources = gulp.src(['style.css', 'script.js'], {read: false});
 
  return target.pipe(inject(sources))
    .pipe(gulp.dest('result.html'));