attempt to separate the Node and Browser tests in Travis

.travis.yml

@@ -1,14 +1,21 @@
+sudo: false
 
 language: node_js
+
 node_js:
-  - "6"
-  - "5"
   - "4"
+  - "6"
+  - "8"
 
 install:
-  - make node_modules
+  - make install
 
 script:
   - make lint
   - make test
   - make coveralls
+
+matrix:
+  include:
+  - node_js: '8'
+    env: BROWSER=1

Makefile

@@ -30,24 +30,29 @@ dist/debug.js: src/*.js node_modules
 		. > dist/debug.js
 
 lint:
-	eslint *.js src/*.js
+	@eslint *.js src/*.js
 
 test-node:
-	istanbul cover node_modules/mocha/bin/_mocha -- test/**.js
+	@istanbul cover node_modules/mocha/bin/_mocha -- test/**.js
+	@cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
 
 test-browser:
-	$(MAKE) browser
-	karma start --single-run
+	@$(MAKE) browser
+	@karma start --single-run
 
-test:
-	concurrently \
+test-all:
+	@concurrently \
 		"make test-node" \
 		"make test-browser"
 
-coveralls:
-	cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
+test:
+	@if [ "x$(BROWSER_NAME)" = "x" ]; then \
+		$(MAKE) test-node; \
+		else \
+		$(MAKE) test-browser; \
+	fi
 
 clean:
-	rimraf dist
+	rimraf dist coverage
 
-.PHONY: browser install clean coveralls lint test test-node test-browser
+.PHONY: browser install clean lint test test-all test-node test-browser