message: Skip npm-run-all in watch:sourcemap task
diff: "test": "xo && ava && npm run build",
  "build": "rollup -c",
  "watch": "run-p --continue-on-error --silent \"build -- --watch\"",
  - "watch:sourcemap": "cross-env SOURCEMAP=true run-p \"watch\"",
  + "watch:sourcemap": "cross-env SOURCEMAP=true npm run watch --silent",
  "release:amo": "cd extension && webext submit",
  "release:cws": "cd extension && webstore upload --auto-publish",
  "release": "run-s release:*"
  