update deps to patch security & remove yarn usage (#65)

Author: techknowlogick

.drone.yml

@@ -13,10 +13,10 @@ pipeline:
     image: webhippie/nodejs:latest
     pull: true
     commands:
-      - yarn install
-      - yarn run clean
-      - yarn run build
-      - yarn run release
+      - npm install
+      - npm run clean
+      - npm run build
+      - npm run release
 
   release:
     image: plugins/s3:1

README.md

@@ -16,31 +16,31 @@ it into your `themes/gitea` folder and enable the theme with the
 
 ## Development
 
-We choose [yarn](https://yarnpkg.com) to fetch our dependencies and
+We choose [npm](https://npmjs.org) to fetch our dependencies and
 [gulp](http://gulpjs.com/) for the pipeline. We won't cover the installation of
-nodejs or yarn, for that you can find enough guides depending on your operating
+nodejs or npm, for that you can find enough guides depending on your operating
 system. First of all you have to install the required dependencies:
 
 ```
-yarn install -q
+npm install
 ```
 
 After you have successfully installed the required dependencies you should be
 able to use these commands to just clean and build generated sources of the
 theme:
 
 ```
-yarn run clean
-yarn run build
-yarn run release
+npm run clean
+npm run build
+npm run release
 ```
 
 If you want to do more development on the theme we suggest to use the `watch`
 task we have defined to get the changes directly built after saving changes to
 a file:
 
 ```
-yarn run watch
+npm run watch
 ```
 
 When you are done with your changes just create a pull request, after merging
@@ -63,5 +63,5 @@ for the full license text.
 ## Copyright
 
 ```
-Copyright (c) 2018 The Gitea Authors <https://gitea.io>
+Copyright (c) 2019 The Gitea Authors <https://gitea.io>
 ```

gulpfile.js

@@ -16,29 +16,29 @@ var sources = [
     'theme.toml'
 ];
 
-gulp.task('default', ['build']);
-gulp.task('build', ['sass']);
-
-gulp.task('release', function () {
-    return gulp.src(sources)
-        .pipe(tar('master.tar'))
-        .pipe(gzip())
-        .pipe(gulp.dest('dist'))
-});
-
-gulp.task('sass', function () {
+var build = function () {
     return gulp.src('./src/main.scss')
         .pipe(sourcemaps.init())
         .pipe(sass().on('error', sass.logError))
         .pipe(sourcemaps.write('.'))
         .pipe(gulp.dest('./static/styles'));
-});
+}
 
 gulp.task('clean', function () {
-    return gulp.src(['dist', 'static/styles'])
+    return gulp.src(['dist', 'static/styles'], { allowEmpty: true })
         .pipe(clean());
 });
 
 gulp.task('watch', function () {
-    return gulp.watch('./src/*.scss', ['sass']);
+    return gulp.watch('./src/*.scss', build);
 });
+
+gulp.task('release', function () {
+    return gulp.src(sources)
+        .pipe(tar('master.tar'))
+        .pipe(gzip())
+        .pipe(gulp.dest('dist'))
+});
+
+gulp.task('build', build);
+gulp.task('default', build);