build before publish

Author: Chris

Diff for: .travis.yml

@@ -16,5 +16,5 @@ script:
 after_success:
   - npm run semantic-release
 branches:
-  only:
-  - master
+  except:
+    - /^v\d+\.\d+\.\d+$/

Diff for: package.json

@@ -14,7 +14,8 @@
     "dev": "tsc --watch",
     "build": "tsc",
     "test": "echo 'Error: no test specified' && exit 0",
-    "semantic-release": "semantic-release pre && npm publish && semantic-release post"
+    "semantic-release":
+      "semantic-release pre && npm run build && npm publish && semantic-release post"
   },
   "devDependencies": {
     "@types/node": "^7.0.21",