@jasmith79/sequable/dist/zip.js

Library functions for working with generators

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.zip = void 0;
const sequable_js_1 = require("./sequable.js");
/**
 * Yields tuples of the results of the two given Iterables, Iterators, or
 * generator functions.
 *
 * @param a The first sequence to combine.
 * @param b The second sequence to combine.
 */
function* zip(a, b) {
    const xs = (0, sequable_js_1.toIterator)(a);
    const ys = (0, sequable_js_1.toIterator)(b);
    let x = xs.next();
    let y = ys.next();
    while (!x.done && !y.done) {
        yield [x.value, y.value];
        x = xs.next();
        y = ys.next();
    }
    if (x.value !== undefined && y.value !== undefined)
        return [x.value, y.value];
}
exports.zip = zip;