nicholasguyett

/* This class wraps an iterator/iterable and allows the map/filter/reduce methods
 * to be used without being forced to make intermediate temporary arrays.
 * I've also implemented the flatten and flatmap functions for convenience
 */

class FunctionalIterator {
    constructor(source) {
        // Get iterator from source, if present.  Otherwise, assume that the source is an iterator
        this.source = source[Symbol.iterator] ? source[Symbol.iterator]() : source;
    }