Updated the files.

my-app/node_modules/rxjs/dist/cjs/internal/observable/zip.js

@@ -0,0 +1,70 @@
+"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