@reactivex/ix-es5-esm/iterable/zip.js

The Interactive Extensions for JavaScript

import { __extends, __generator } from "tslib";
import { IterableX } from './iterablex.js';
import { returnIterator } from '../util/returniterator.js';
/** @ignore */
var ZipIterable = /** @class */ (function (_super) {
    __extends(ZipIterable, _super);
    function ZipIterable(sources) {
        var _this = _super.call(this) || this;
        _this._sources = sources;
        return _this;
    }
    // eslint-disable-next-line consistent-return
    ZipIterable.prototype[Symbol.iterator] = function () {
        var sourcesLength, its, values, index, result;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    sourcesLength = this._sources.length;
                    its = this._sources.map(function (x) { return x[Symbol.iterator](); });
                    _a.label = 1;
                case 1:
                    if (!(sourcesLength > 0)) return [3 /*break*/, 3];
                    values = new Array(sourcesLength);
                    for (index = -1; ++index < sourcesLength;) {
                        result = its[index].next();
                        if (result.done) {
                            its.forEach(returnIterator);
                            return [2 /*return*/, undefined];
                        }
                        values[index] = result.value;
                    }
                    return [4 /*yield*/, values];
                case 2:
                    _a.sent();
                    return [3 /*break*/, 1];
                case 3: return [2 /*return*/];
            }
        });
    };
    return ZipIterable;
}(IterableX));
export { ZipIterable };
export function zip() {
    var sources = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        sources[_i] = arguments[_i];
    }
    return new ZipIterable(sources);
}

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