.

node_modules/rxjs/dist/cjs/internal/operators/share.js

@@ -0,0 +1,109 @@
+"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.share = void 0;
+var innerFrom_1 = require("../observable/innerFrom");
+var Subject_1 = require("../Subject");
+var Subscriber_1 = require("../Subscriber");
+var lift_1 = require("../util/lift");
+function share(options) {
+    if (options === void 0) { options = {}; }
+    var _a = options.connector, connector = _a === void 0 ? function () { return new Subject_1.Subject(); } : _a, _b = options.resetOnError, resetOnError = _b === void 0 ? true : _b, _c = options.resetOnComplete, resetOnComplete = _c === void 0 ? true : _c, _d = options.resetOnRefCountZero, resetOnRefCountZero = _d === void 0 ? true : _d;
+    return function (wrapperSource) {
+        var connection;
+        var resetConnection;
+        var subject;
+        var refCount = 0;
+        var hasCompleted = false;
+        var hasErrored = false;
+        var cancelReset = function () {
+            resetConnection === null || resetConnection === void 0 ? void 0 : resetConnection.unsubscribe();
+            resetConnection = undefined;
+        };
+        var reset = function () {
+            cancelReset();
+            connection = subject = undefined;
+            hasCompleted = hasErrored = false;
+        };
+        var resetAndUnsubscribe = function () {
+            var conn = connection;
+            reset();
+            conn === null || conn === void 0 ? void 0 : conn.unsubscribe();
+        };
+        return lift_1.operate(function (source, subscriber) {
+            refCount++;
+            if (!hasErrored && !hasCompleted) {
+                cancelReset();
+            }
+            var dest = (subject = subject !== null && subject !== void 0 ? subject : connector());
+            subscriber.add(function () {
+                refCount--;
+                if (refCount === 0 && !hasErrored && !hasCompleted) {
+                    resetConnection = handleReset(resetAndUnsubscribe, resetOnRefCountZero);
+                }
+            });
+            dest.subscribe(subscriber);
+            if (!connection &&
+                refCount > 0) {
+                connection = new Subscriber_1.SafeSubscriber({
+                    next: function (value) { return dest.next(value); },
+                    error: function (err) {
+                        hasErrored = true;
+                        cancelReset();
+                        resetConnection = handleReset(reset, resetOnError, err);
+                        dest.error(err);
+                    },
+                    complete: function () {
+                        hasCompleted = true;
+                        cancelReset();
+                        resetConnection = handleReset(reset, resetOnComplete);
+                        dest.complete();
+                    },
+                });
+                innerFrom_1.innerFrom(source).subscribe(connection);
+            }
+        })(wrapperSource);
+    };
+}
+exports.share = share;
+function handleReset(reset, on) {
+    var args = [];
+    for (var _i = 2; _i < arguments.length; _i++) {
+        args[_i - 2] = arguments[_i];
+    }
+    if (on === true) {
+        reset();
+        return;
+    }
+    if (on === false) {
+        return;
+    }
+    var onSubscriber = new Subscriber_1.SafeSubscriber({
+        next: function () {
+            onSubscriber.unsubscribe();
+            reset();
+        },
+    });
+    return innerFrom_1.innerFrom(on.apply(void 0, __spreadArray([], __read(args)))).subscribe(onSubscriber);
+}
+//# sourceMappingURL=share.js.map