Fixed relative URLs from becoming absolute during build (#1354)

Author: esulu

gulpfile.js

@@ -181,17 +181,19 @@ gulp.task('bundle-minimalist', function (done) {
 
 // bundle css
 gulp.task('bundle-css', function (done) {
+  const concatOptions = { rebaseUrls: false }
+  const minifyOptions = { rebase: false }
   gulp
     .src(['src/scss/jsoneditor.scss'])
     .pipe(
       sass({
         // importer: tildeImporter
       })
     )
-    .pipe(concatCss(NAME + '.css'))
+    .pipe(concatCss(NAME + '.css', concatOptions))
     .pipe(gulp.dest(DIST))
-    .pipe(concatCss(NAME + '.min.css'))
-    .pipe(minifyCSS())
+    .pipe(concatCss(NAME + '.min.css', concatOptions))
+    .pipe(minifyCSS(minifyOptions))
     .pipe(gulp.dest(DIST))
   done()
 })