Ensure that the prepublish step only happens on a version release

package.json

@@ -19,7 +19,7 @@
     "flow": "flow check",
     "lint": "eslint ./source",
     "fix": "eslint ./source --fix",
-    "prepublish": "npm run build; npm run export-flowtype; npm run inline-flowtype",
+    "prepublish": "in-publish && npm run build && npm run export-flowtype && npm run inline-flowtype || not-in-publish",
     "build": "babel source --out-dir distribution --source-maps",
     "buildwatch": "babel source --watch --out-dir distribution",
     "link": "npm run build ; chmod +x distribution/commands/danger.js ; npm link",
@@ -57,6 +57,7 @@
     "eslint-plugin-promise": "^3.4.0",
     "eslint-plugin-standard": "^2.0.0",
     "flow-bin": "^0.35.0",
+    "in-publish": "^2.0.0",
     "jest-cli": "^17.0.3"
   },
   "dependencies": {

yarn.lock

@@ -1608,6 +1608,10 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
+in-publish@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/in-publish/-/in-publish-2.0.0.tgz#e20ff5e3a2afc2690320b6dc552682a9c7fadf51"
+
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"