feat: switch npm to yarn (#37)

* feat: switch npm to yarn

* working on node 7.10.0

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* upgrade node-sass

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

.drone.yml

@@ -1,14 +1,11 @@
-workspace:
-  path: src
-
 pipeline:
   build:
-    image: library/node:latest
+    image: node:8.1.1
     commands:
-      - npm install -q
-      - npm run clean
-      - npm run build
-      - npm run release
+      - yarn install
+      - yarn run clean
+      - yarn run build
+      - yarn run release
 
   release:
     image: plugins/s3
@@ -38,4 +35,4 @@ pipeline:
     webhook_token: ${WEBHOOK_TOKEN}
     when:
       event: [ push, tag, pull_request ]
-      status: [ failure ]
+      status: [ changed, failure ]

.drone.yml.sig

@@ -1 +1 @@
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+eyJhbGciOiJIUzI1NiJ9.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.9Px7GURHciKo4EtYB_NNLm3TXEhE7yQ8BA8lMTJ8yG4

.gitignore

@@ -1,3 +1,4 @@
 /node_modules/
 /dist/
 /static/styles/
+.yarn-cache

package.json

@@ -29,7 +29,7 @@
     "gulp": "^3.9.1",
     "gulp-clean": "^0.3.2",
     "gulp-gzip": "^1.4.0",
-    "gulp-sass": "^2.3.2",
+    "gulp-sass": "^3.1.0",
     "gulp-sourcemaps": "^1.9.1",
     "gulp-tar-path": "^1.0.1"
   }