fix travis

.travis.yml

@@ -21,7 +21,7 @@ before_script:
 
 script:
   - npm run lint
-  - npm run build:metadata
+  - npm run build
 
 notifications:
   email: false

package.json

@@ -6,10 +6,9 @@
   "typings": "./dist/node/lib.d.ts",
   "unpkg": "./dist/browser/lib.cjs2.min.js",
   "scripts": {
-    "build": "npm run clean && npm run build:tsc && npm run build:dist",
+    "build": "npm run clean && npm run build:metadata && npm run build:tsc",
     "build:tsc": "tsc --sourceMap",
     "build:metadata": "./scripts/get-metadata.js > src/metadata.json",
-    "build:dist": "cross-env NODE_ENV=production webpack",
     "clean": "rm -rf ./dist/ ./doc/ ./.nyc_output",
     "lint": "eslint --ignore-path .gitignore --ext .ts,.tsx .",
     "format": "prettier --parser typescript --ignore-path .gitignore --write '**/*.{js,jsx,ts,tsx}'",