node_modules/rxjs/dist/cjs/internal/observable/zip.js

"use strict";
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
    for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
        to[j] = from[i];
    return to;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.zip = void 0;
var Observable_1 = require("../Observable");
var innerFrom_1 = require("./innerFrom");
var argsOrArgArray_1 = require("../util/argsOrArgArray");
var empty_1 = require("./empty");
var OperatorSubscriber_1 = require("../operators/OperatorSubscriber");
var args_1 = require("../util/args");
function zip() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    var resultSelector = args_1.popResultSelector(args);
    var sources = argsOrArgArray_1.argsOrArgArray(args);
    return sources.length
        ? new Observable_1.Observable(function (subscriber) {
            var buffers = sources.map(function () { return []; });
            var completed = sources.map(function () { return false; });
            subscriber.add(function () {
                buffers = completed = null;
            });
            var _loop_1 = function (sourceIndex) {
                innerFrom_1.innerFrom(sources[sourceIndex]).subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
                    buffers[sourceIndex].push(value);
                    if (buffers.every(function (buffer) { return buffer.length; })) {
                        var result = buffers.map(function (buffer) { return buffer.shift(); });
                        subscriber.next(resultSelector ? resultSelector.apply(void 0, __spreadArray([], __read(result))) : result);
                        if (buffers.some(function (buffer, i) { return !buffer.length && completed[i]; })) {
                            subscriber.complete();
                        }
                    }
                }, function () {
                    completed[sourceIndex] = true;
                    !buffers[sourceIndex].length && subscriber.complete();
                }));
            };
            for (var sourceIndex = 0; !subscriber.closed && sourceIndex < sources.length; sourceIndex++) {
                _loop_1(sourceIndex);
            }
            return function () {
                buffers = completed = null;
            };
        })
        : empty_1.EMPTY;
}
exports.zip = zip;
//# sourceMappingURL=zip.js.map