uci-hugo-doc/gulpfile.js

const gulp = require('gulp');
const rename = require('gulp-rename');
const sass = require('gulp-sass');
const minifyCSS = require('gulp-csso');
const cleanCSS = require('gulp-clean-css');
const autoprefixer = require('gulp-autoprefixer');

const realFavicon = require ('gulp-real-favicon');
const fs = require('fs');

const svgSprite = require('gulp-svg-sprite');

var CSSDEST = 'static/'
var FAVICON_DATA_FILE = 'src/favicon/faviconData.json';

gulp.task('sass', function() {
  return gulp.src('src/sass/main.scss')
    .pipe(sass({ errLogToConsole: true }))
    .pipe(cleanCSS({format: 'beautify'}))
    .pipe(autoprefixer({
      cascade: false
    }))
    .pipe(gulp.dest(CSSDEST))
    .pipe(cleanCSS())
    .pipe(rename({ extname: '.min.css' }))
    .pipe(gulp.dest(CSSDEST))
});

gulp.task('favicon-generate', function(done) {
	realFavicon.generateFavicon({
		masterPicture: 'src/favicon/favicon-master.svg',
		dest: 'static/favicon',
		iconsPath: '/',
		design: {
			ios: {
				pictureAspect: 'backgroundAndMargin',
				backgroundColor: '#ffffff',
				margin: '14%',
				assets: {
					ios6AndPriorIcons: false,
					ios7AndLaterIcons: false,
					precomposedIcons: false,
					declareOnlyDefaultIcon: true
				}
			},
			desktopBrowser: {},
			windows: {
				pictureAspect: 'whiteSilhouette',
				backgroundColor: '#2b5797',
				onConflict: 'override',
				assets: {
					windows80Ie10Tile: false,
					windows10Ie11EdgeTiles: {
						small: false,
						medium: true,
						big: false,
						rectangle: false
					}
				}
			},
			androidChrome: {
				pictureAspect: 'shadow',
				themeColor: '#ffffff',
				manifest: {
					display: 'standalone',
					orientation: 'notSet',
					onConflict: 'override',
					declared: true
				},
				assets: {
					legacyIcon: false,
					lowResolutionIcons: false
				}
			},
			safariPinnedTab: {
				pictureAspect: 'blackAndWhite',
				threshold: 74.21875,
				themeColor: '#5bbad5'
			}
		},
		settings: {
			scalingAlgorithm: 'Mitchell',
			errorOnImageTooSmall: false,
			readmeFile: false,
			htmlCodeFile: false,
			usePathAsIs: false
		},
		markupFile: FAVICON_DATA_FILE
	}, function() {
		done();
	});
});

gulp.task('favicon-check-update', function(done) {
	var currentVersion = JSON.parse(fs.readFileSync(FAVICON_DATA_FILE)).version;
	realFavicon.checkForUpdates(currentVersion, function(err) {
		if (err) {
			throw err;
		}
	});
  done();
});

gulp.task('svg-sprite',function() {
  config = {
    svg: {
      xmlDeclaration: false,
      rootAttributes: {
        style: "position: absolute; width: 0; height: 0; overflow: hidden;"
      }
    },
    mode: {
      inline: true,
      symbol: {
        dest: './',
        sprite: 'svg-icon-symbols.html',
        bust: false,
      }
    }
  };

  return gulp.src('src/icons/*.svg')
    .pipe(svgSprite(config))
    .pipe(gulp.dest('layouts/partials/'));
});

gulp.task('default', gulp.series(
  'sass',
  'svg-sprite',
  'favicon-check-update',
  'favicon-generate'
));

gulp.task('devel',function() {
    gulp.watch('src/sass/**/*.*css', gulp.series('sass'));
});