feat: initial commit

node_modules/rxjs/internal/Subscription.js

@@ -0,0 +1,141 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var isArray_1 = require("./util/isArray");
+var isObject_1 = require("./util/isObject");
+var isFunction_1 = require("./util/isFunction");
+var UnsubscriptionError_1 = require("./util/UnsubscriptionError");
+var Subscription = (function () {
+    function Subscription(unsubscribe) {
+        this.closed = false;
+        this._parentOrParents = null;
+        this._subscriptions = null;
+        if (unsubscribe) {
+            this._ctorUnsubscribe = true;
+            this._unsubscribe = unsubscribe;
+        }
+    }
+    Subscription.prototype.unsubscribe = function () {
+        var errors;
+        if (this.closed) {
+            return;
+        }
+        var _a = this, _parentOrParents = _a._parentOrParents, _ctorUnsubscribe = _a._ctorUnsubscribe, _unsubscribe = _a._unsubscribe, _subscriptions = _a._subscriptions;
+        this.closed = true;
+        this._parentOrParents = null;
+        this._subscriptions = null;
+        if (_parentOrParents instanceof Subscription) {
+            _parentOrParents.remove(this);
+        }
+        else if (_parentOrParents !== null) {
+            for (var index = 0; index < _parentOrParents.length; ++index) {
+                var parent_1 = _parentOrParents[index];
+                parent_1.remove(this);
+            }
+        }
+        if (isFunction_1.isFunction(_unsubscribe)) {
+            if (_ctorUnsubscribe) {
+                this._unsubscribe = undefined;
+            }
+            try {
+                _unsubscribe.call(this);
+            }
+            catch (e) {
+                errors = e instanceof UnsubscriptionError_1.UnsubscriptionError ? flattenUnsubscriptionErrors(e.errors) : [e];
+            }
+        }
+        if (isArray_1.isArray(_subscriptions)) {
+            var index = -1;
+            var len = _subscriptions.length;
+            while (++index < len) {
+                var sub = _subscriptions[index];
+                if (isObject_1.isObject(sub)) {
+                    try {
+                        sub.unsubscribe();
+                    }
+                    catch (e) {
+                        errors = errors || [];
+                        if (e instanceof UnsubscriptionError_1.UnsubscriptionError) {
+                            errors = errors.concat(flattenUnsubscriptionErrors(e.errors));
+                        }
+                        else {
+                            errors.push(e);
+                        }
+                    }
+                }
+            }
+        }
+        if (errors) {
+            throw new UnsubscriptionError_1.UnsubscriptionError(errors);
+        }
+    };
+    Subscription.prototype.add = function (teardown) {
+        var subscription = teardown;
+        if (!teardown) {
+            return Subscription.EMPTY;
+        }
+        switch (typeof teardown) {
+            case 'function':
+                subscription = new Subscription(teardown);
+            case 'object':
+                if (subscription === this || subscription.closed || typeof subscription.unsubscribe !== 'function') {
+                    return subscription;
+                }
+                else if (this.closed) {
+                    subscription.unsubscribe();
+                    return subscription;
+                }
+                else if (!(subscription instanceof Subscription)) {
+                    var tmp = subscription;
+                    subscription = new Subscription();
+                    subscription._subscriptions = [tmp];
+                }
+                break;
+            default: {
+                throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.');
+            }
+        }
+        var _parentOrParents = subscription._parentOrParents;
+        if (_parentOrParents === null) {
+            subscription._parentOrParents = this;
+        }
+        else if (_parentOrParents instanceof Subscription) {
+            if (_parentOrParents === this) {
+                return subscription;
+            }
+            subscription._parentOrParents = [_parentOrParents, this];
+        }
+        else if (_parentOrParents.indexOf(this) === -1) {
+            _parentOrParents.push(this);
+        }
+        else {
+            return subscription;
+        }
+        var subscriptions = this._subscriptions;
+        if (subscriptions === null) {
+            this._subscriptions = [subscription];
+        }
+        else {
+            subscriptions.push(subscription);
+        }
+        return subscription;
+    };
+    Subscription.prototype.remove = function (subscription) {
+        var subscriptions = this._subscriptions;
+        if (subscriptions) {
+            var subscriptionIndex = subscriptions.indexOf(subscription);
+            if (subscriptionIndex !== -1) {
+                subscriptions.splice(subscriptionIndex, 1);
+            }
+        }
+    };
+    Subscription.EMPTY = (function (empty) {
+        empty.closed = true;
+        return empty;
+    }(new Subscription()));
+    return Subscription;
+}());
+exports.Subscription = Subscription;
+function flattenUnsubscriptionErrors(errors) {
+    return errors.reduce(function (errs, err) { return errs.concat((err instanceof UnsubscriptionError_1.UnsubscriptionError) ? err.errors : err); }, []);
+}
+//# sourceMappingURL=Subscription.js.map