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