Document gulpfile for writeup

gulpfile.js

@@ -1,13 +1,16 @@
 'use strict';
 
+// Import required modules
 const del = require('del');
 const gulp = require('gulp');
 const postcss = require('gulp-postcss');
 const sass = require('gulp-sass')(require('sass'));
 
+// Set src and destination paths for css compilation
 const src = 'src/stylesheets/main.scss';
 const dest = 'public/css';
 
+// Task to compile and optimise css from sass file
 gulp.task('styles', () => {
 	let cssnanoOptions = {
 		normalizeWhitespace: false
@@ -30,14 +33,17 @@ gulp.task('styles', () => {
 		.pipe(gulp.dest(dest));
 });
 
+// Task to clean up the destination directory
 gulp.task('clean', () => {
 	return del([
 		dest
 	]);
 });
 
+// When called with no task, clean the destination, and then compile styles
 gulp.task('default', gulp.series([ 'clean', 'styles' ]));
 
+// Task to watch for changes in sass files, then compile on changes
 gulp.task('watch', () => {
 	gulp.watch('src/stylesheets/**/*.scss', (done) => {
 		gulp.series([ 'clean', 'styles' ])(done);