Merge pull request #1841 from friday/ssr

Support universal builds ("SSR")

scripts/travis.sh

@@ -7,6 +7,9 @@ npm install
 if [ "${TRAVIS_MODE}" = "build" ]; then
   npm run lint
   npm run build
+  # check that hls.js doesn't error if requiring in node
+  # see https://github.com/video-dev/hls.js/pull/1642
+  node -e 'require("./" + require("./package.json").main)'
 elif [ "${TRAVIS_MODE}" = "unitTests" ]; then
 	npm run test:unit
 elif [ "${TRAVIS_MODE}" = "funcTests" ]; then

webpack.config.js

@@ -74,6 +74,7 @@ function getPluginsForConfig(type, minify = false) {
   );
 
   const plugins = [
+    new webpack.BannerPlugin({ entryOnly: true, raw: true, banner: 'typeof window !== "undefined" &&' }), // SSR/Node.js guard
     new webpack.optimize.OccurrenceOrderPlugin(),
     new webpack.DefinePlugin(defineConstants)
   ];