@jasmith79/sequable/dist/sequable.js

Library functions for working with generators

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.toIterable = exports.toIterator = void 0;
function isIterable(x) {
    return Boolean(x && typeof x[Symbol.iterator] === "function");
}
/**
 * Converts the given Iterable or generator function to an Iterator, given
 * an Iterator just returns it.
 *
 * @param iter The Iterable, Iterator, or generator function to convert.
 */
function toIterator(iter) {
    if (isIterable(iter)) {
        return iter[Symbol.iterator]();
    }
    else if (typeof iter === "function") {
        return iter();
    }
    else {
        return iter;
    }
}
exports.toIterator = toIterator;
/**
 * Converts the given Iterator or generator function to an Iterable, given
 * an Iterable just returns it.
 *
 * @param iter The Iterable, Iterator, or generator function to convert.
 */
function toIterable(iter) {
    if (isIterable(iter)) {
        return iter;
    }
    else if (typeof iter === "function") {
        return {
            [Symbol.iterator]: iter,
        };
    }
    else {
        return {
            [Symbol.iterator]: () => iter,
        };
    }
}
exports.toIterable = toIterable;