import one2extra from '@jswork/one2extra';

const arr = [ 1, 2, 3 ];
const fn3 = (list)=> list.findIndex(item => item === 3);

one2extra(0, arr); // [1,[2,3]]
one2extra(1, arr); // [2,[1,3]]
one2extra(fn3, arr); // [3,[1,2]]