{
  "name": "viewportwidth.js",
  "description": "A solution for determining accurate cross-browser viewport widths",
  "author": "Brett Jankord",
  "main": "viewportwidth.js",
  "version": "1.0.0",
  "bugs": "https://github.com/bjankord/viewportwidth.js/issues",
  "license": "MIT",
  "homepage": "http://brettjankord.com/projects/viewportwidth/demo/"
}

{
  "name": "viewportwidth",
  "description": "A solution for determining accurate cross-browser viewport widths",
  "author": "Brett Jankord",
  "main": "viewportwidth.js",
  "version": "1.0.0",
  "bugs": "https://github.com/bjankord/viewportwidth.js/issues",
  "license": "MIT",
  "homepage": "http://brettjankord.com/projects/viewportwidth/demo/"
}

Remove .js in the name as per npm's recommendations
Remove .js in the name as per npm's recommendations