> ursa-optional@0.9.10 rebuild D:\Desktop\Git\Firebase\SmartShopperFirebase\node_modules\ursa-optional
> node-gyp rebuild


D:\Desktop\Git\Firebase\SmartShopperFirebase\node_modules\ursa-optional>if not defined npm_config_node_gyp (node "C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild )  else (node "C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" rebuild )