gulp-css-spritus

gulp-css-spritus

Parses your CSS to find the sprites and then creates, saves and compresses Easy to use with your CSS, SASS (SCSS) and others

Install

npm install gulp-css-spritus --save

Easy

main.css

.icon {
    background-image: spritus-url("assets/images/icons/*.png");
    background-size: spritus-size("assets/images/icons/*.png");
}

.icon-google {
    background-position: spritus-position("assets/images/icons/*.png", "google.png");
    height: spritus-height("assets/images/icons/*.png", "google.png");
    width: spritus-width("assets/images/icons/*.png", "google.png");
}

app.scss

$icons-sprite: "assets/images/icons/*.png";

.icon {
    background-image: spritus-url($icons-sprite);
    background-size: spritus-size($icons-sprite);
}

.icon-google {
    background-position: spritus-position($icons-sprite, "google.png");
    height: spritus-height($icons-sprite, "google.png");
    width: spritus-width($icons-sprite, "google.png");
}

.icon-vk {
    background-position: spritus-position($icons-sprite, "vk");
    height: spritus-height($icons-sprite, "vk");
    width: spritus-width($icons-sprite, "vk");
}

gulpfile.js

var gulp = require("gulp");
var sass = require("gulp-sass");
var spritus = require("gulp-css-spritus");

gulp.task("scss", function () {
    return gulp.src("./scss/app.scss")
    .pipe(sass().on("error", sass.logError))
    .pipe(spritus({
        imageDirSave: "public/images/",
        imageDirCSS: "../images/",
    }))
    .pipe(gulp.dest("./public/css"));
});

Expert

gulpfile.js

var gulp = require("gulp")
    , merge = require("merge-stream")
    , sass = require("gulp-sass")
    , spritus = require("gulp-css-spritus")
    , imagemin = require("gulp-imagemin")
    , cssnano = require("gulp-cssnano")
    , imageminPngquant = require("imagemin-pngquant")
    , imageminMozjpeg = require("imagemin-mozjpeg")
    , buffer = require("vinyl-buffer")
    ;

gulp.task("scss", function () {
    var spritus = gulp.src("./scss/**/*.scss")
        .pipe(sourcemaps.init())
        .pipe(sass().on("error", sass.logError))
        .pipe(spritus({
            padding: 2,
            algorithm: "top-down",
            saveImage: false,
            withImagemin: false,
            withImageminPlugins: null,
            imageDirCSS: "../images/",
            imageDirSave: "public/images/"
        }));
    
    var stream_css = spritus.css
        .pipe(cssnano())
        .pipe(sourcemaps.write())
        .pipe(gulp.dest("./public/css"));
        
        
    var stream_img = spritus.img
        .pipe(buffer())
        .pipe(imagemin(
            [
                imageminMozjpeg(),
                imageminPngquant({
                    quality: "60-70",
                    speed: 1
                })
            ]
        ))
        .pipe(gulp.dest("./public/images"));
});

Methods and options

The path relative to the root of the script

$icons-sprite: "assets/images/icons/*.png";

Methods

spritus-url($icons-sprite) is replaced by a relative link to the sprite url("../images/icons.png")

---

spritus-size($icons-sprite) is replaced with the size of the sprite 30px 180px

---

spritus-position($icons-sprite, "%file_name%") is replaced by the position of the image in the sprite background-position: 0px 60px.

---

spritus-height($icons-sprite, "%file_name%") and spritus-width($icons-sprite, "%file_name%") is replaced by height and width in pixels 30px

---

%file_name% — may be full filename.png or only basename filename without extension

Inline options

$icons-sprite: "assets/images/icons/*.png?padding=30&algorithm=diagonal&name=newicons";

• padding — see description in Plugin options
• algorithm — see description in Plugin options
• name — another name of the sprite to save

Plugin options

...
.pipe(spritus({
    padding: 2,
    algorithm: "top-down",
    saveImage: true,
    withImagemin: true,
    withImageminPlugins: [
        imageminPngquant({
           quality: "60-70",
           speed: 1
       })
    ],
    imageDirCSS: "../images/",
    imageDirSave: "public/images/"
}))
...

padding

The amount of transparent space, in pixels, around each sprite. Defaults to 2

---

saveImage

Save or don't save. Defaults to true

---

withImagemin

Compression of the sprite using imagemin. Defaults to true

---

withImageminPlugins

Specify what to use plugins for. Defaults to [require('imagemin-pngquant')({quality: "60-70",speed: 1})]

---

imageDirCSS

Relative URL (background-image) which is replaced in position in your CSS. Defaults to ../images/

---

imageDirSave

The path where to save the sprites relative to the root of the script. Defaults to public/images/

---

algorithm

Images can be laid out in different fashions depending on the algorithm. We use layout to provide you as many options as possible. . Defaults to top-down.At the time of writing, here are your options for algorithm:

top-down	left-right	diagonal	alt-diagonal	binary-tree

More information can be found in the layout documentation: