add server to monorepo.

packages/server/scripts/gulpfile.js

@@ -0,0 +1,50 @@
+const gulp = require('gulp');
+const sass = require('sass');
+const gulpSass = require('gulp-sass')(sass); // Gulp pluign for Sass compilation.
+const mergeStream = require('merge-stream');
+
+const rename = require('gulp-rename'); // Renames files E.g. style.css -> style.min.css
+
+// Style related.
+const postcss = require('gulp-postcss'); // Transforming styles with JS plugins
+const rtlcss = require('rtlcss'); // Convert LTR CSS to RTL.
+
+const config = require('./gulpConfig');
+
+gulp.task('styles', () => {
+  const builds = config.style.build.map((build) => {
+    return gulp
+      .src(build.src)
+      .pipe(gulpSass(config.style.sass))
+      .pipe(gulp.dest(build.dest));
+  });
+  return mergeStream(builds);
+});
+
+/**
+ * Task: `styles-rtl`
+ *
+ * This task does the following.
+ *  1. Gets the source css files.
+ *  2. Covert LTR CSS to RTL.
+ *  3. Suffix all CSS files to `-rtl`.
+ *  4. Reloads css files via browser sync stream.
+ *  5. Combine matching media queries for `.min.css` version.
+ *  6. Minify all CSS files.
+ *  7. Reload minified css files via browser sync stream.
+ */
+gulp.task('styles-rtl', () => {
+  const builds = config.style.rtl.map((build) => {
+    return gulp
+      .src(build.src)
+      .pipe(
+        postcss([
+          rtlcss(config.style.rtlcss), // Convert LTR CSS to RTL.
+        ]),
+      )
+      .pipe(rename({ suffix: '-rtl' })) // Append "-rtl" to the filename.
+      .pipe(gulp.dest(build.dest));
+  });
+
+  return mergeStream(builds);
+});