Added sourcemaps, autoprefixing, css minification

gulpfile.js

@@ -0,0 +1,34 @@
+var gulp = require('gulp'),
+    sass = require('gulp-sass'),
+    postcss = require('gulp-postcss'),
+    autoprefixer = require("autoprefixer"),
+    cssnano = require("cssnano"),
+    sourcemaps = require("gulp-sourcemaps");
+
+var paths = {
+    styles: {
+        src: "src/**/*.scss",
+        dest: "dist"
+    }
+}
+
+function style() {
+    return(
+        gulp.src(paths.styles.src)
+            .pipe(sourcemaps.init())
+            .pipe(sass())
+            .on("error", sass.logError)
+            .pipe(postcss([autoprefixer(), cssnano()]))
+            .pipe(sourcemaps.write())
+            .pipe(gulp.dest(paths.styles.dest))
+    );
+}
+
+exports.style = style;
+
+function watch() {
+    style();
+    gulp.watch(paths.styles.src, style)
+}
+
+exports.watch = watch;

package.json

@@ -23,11 +23,13 @@
     "url": "https://github.com/kognise/water.css/issues"
   },
   "homepage": "https://github.com/kognise/water.css",
-  "devDependencies": {
-    "express": "^4.16.4",
-    "fs-extra": "^7.0.1",
-    "node-sass": "^4.11.0",
-    "socket.io": "^2.2.0",
-    "chokidar": "^2.1.5"
+  "devDependencies": {},
+  "dependencies": {
+    "autoprefixer": "^9.5.1",
+    "cssnano": "^4.1.10",
+    "gulp": "^4.0.0",
+    "gulp-postcss": "^8.0.0",
+    "gulp-sass": "^4.0.2",
+    "gulp-sourcemaps": "^2.6.5"
   }
 }