dist/main.es5.js
function enter(path, state) {
                regex = state.opts.regex;
                if (!regex) {
                    throw new TypeError("A regex option is required.");
                }
                pure = function pure(n) {
                    return (0, _sideEffectsSafe.pureBabylon)(n, state.opts);
                };
            }
function enter(path, state) {
                regex = state.opts.regex;
                if (!regex) {
                    throw new TypeError("A regex option is required.");
                }
                pure = function pure(n) {
                    return (0, _sideEffectsSafe.pureBabylon)(n, state.opts);
                };
            }
function enter ( path , state ) { regex = state . opts . regex ; if ( ! regex ) { throw new TypeError ( "A regex option is required." ) ; } pure = function pure ( n ) { return ( 0 , _sideEffectsSafe . pureBabylon ) ( n , state . opts ) ; } ; }
Preprocess options.
Preprocess options .