nl_tokens: -----------
pl_tokens: function protect_proto ( parsed_query_object ) { const unsafe_keys = <mask> . getOwnPropertyNames ( Object . prototype ) ; const safe_query_object = Object . assign ( { } , parsed_query_object ) ; for ( const key of unsafe_keys ) { '__proto__' !== key // __proto__ is ignored by javascript && undefined !== safe_query_object [ key ] && safe_query_object [ key ] !== Object . prototype [ key ] && protect_prop ( key ) ; // eslint-disable-line indent } return safe_query_object ; // ----------- function protect_prop ( key ) { safe_query_object [ ` ${ key } ` ] = safe_query_object [ key ] ; delete safe_query_object [ key ] ; return true ; } }