github.com/DerekStrickland/consul@v1.4.5/ui-v2/app/utils/helpers/call-if-type.js (about)

     1  export default function(type) {
     2    return function(cb) {
     3      return function(params, hash = {}) {
     4        if (typeof params[0] !== type) {
     5          return params[0];
     6        }
     7        return cb(params[0], hash);
     8      };
     9    };
    10  }