test packaging on Travis

.travis.yml

@@ -1,16 +1,27 @@
-dist: xenial
+osx_image: xcode10.2
+os: osx
 language: node_js
 node_js: node
 
-cache:
-  directories:
-    - node_modules
+env:
+  global:
+    - ELECTRON_CACHE=$HOME/.cache/electron
+    - ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder
 
-# will run `npm install` automatically here
+cache:
+  npm: true
+  directories:
+    - $HOME/.cache/electron
+    - $HOME/.cache/electron-builder
+    - $HOME/.npm/_prebuilds
 
 script:
   - npm test
-  - npm run build
+  - npm run dist
+
+branches:
+  except:
+    - "/^v\\d+\\.\\d+\\.\\d+$/"
 
 notifications:
   email: false

package.json

@@ -8,7 +8,7 @@
     "test": "eslint --ignore-path .gitignore ./src/**/*.{js,jsx} && stylelint --ignore-path .gitignore ./src/**/*.{css,scss}",
     "start": "webpack-dev-server --hot --host 0.0.0.0 --config=./webpack.dev.config.js",
     "build": "cross-env NODE_ENV=production webpack --config webpack.common.config.js",
-    "package": "electron-builder build -mwl && open ./dist",
+    "package": "electron-builder build -mwl -p never && open ./dist",
     "dist": "rm -rf {dist,build}/ && npm run build && npm run package",
     "release": "release-it --non-interactive",
     "changelog": "auto-changelog -p"