今回発生したエラー

error Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank
error Assignment to property of function parameter 'target' no-param-reassign
error Do not use Array index in keys react/no-array-index-key
error Prop type object is forbidden react/forbid-prop-types
error componentWillReceiveProps is deprecated since React 16.3.0, use UNSAFE_componentWillReceiveProps instead, see https://reactjs.org/docs/react-component.html#unsafe_componentwillreceiveprops react/no-deprecated
error propTypes should be placed after trackPage react/sort-comp

Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blank

-　意味:objectを使わないでください
-　やったこと:objectの変更

意味:React16:30だと、 componentWillReceivePropsは廃止するから、UNSAFE_componentWillReceivePropsを使ってほしい。
やったこと:上記