Improved Travis config

Signed-off-by: Jaid <jaid.jsx@gmail.com>

Author: Jaid

.travis.yml

@@ -1,6 +1,5 @@
 language: node_js
 node_js: [node, lts/*]
-os: [linux, osx] # Windows doesn't work currently, I should try again in May 2019 (If I didn't, remind me please!)
 cache:
   npm: true
 jobs:
@@ -10,9 +9,7 @@ jobs:
         - npm run build:prod
         - export PKG_NAME=$(node -e "console.log(require('./dist/package/production/package').name)")
         - export PKG_VERSION=$(node -e "console.log(require('./dist/package/production/package').version)")
-        - npm run test:coverage
-        - cp -r dist/homepage/$PKG_NAME/$PKG_VERSION page
-        - cp -r dist/jest/coverage/lcov-report page/coverage
+        - if [[ -d dist/homepage/$PKG_NAME/$PKG_VERSION ]]; then; npm run test:coverage && cp -r dist/homepage/$PKG_NAME/$PKG_VERSION page && cp -r dist/jest/coverage/lcov-report page/coverage; fi
         - cd dist/package/production
         - zip -9 --recurse-paths ../../${PKG_NAME}_v$PKG_VERSION.zip **
         - zip -9 --recurse-paths ../../${PKG_NAME}_v${PKG_VERSION}_min.zip ** --exclude \*.d.ts --exclude readme.* --exclude \*.map
@@ -23,6 +20,7 @@ jobs:
           fqdn: $PKG_NAME.jaid.codes
           skip_cleanup: true
           github_token: $GITHUB_TOKEN # Permissions: public_repo, repo:status, repo_deployment
+          on: { condition: -d pages }
         - provider: releases
           file_glob: true
           file: