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- "use strict";
- var __values = (this && this.__values) || function(o) {
- var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
- if (m) return m.call(o);
- if (o && typeof o.length === "number") return {
- next: function () {
- if (o && i >= o.length) o = void 0;
- return { value: o && o[i++], done: !o };
- }
- };
- throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
- };
- 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.isSubscription = exports.EMPTY_SUBSCRIPTION = exports.Subscription = void 0;
- var isFunction_1 = require("./util/isFunction");
- var UnsubscriptionError_1 = require("./util/UnsubscriptionError");
- var arrRemove_1 = require("./util/arrRemove");
- var Subscription = (function () {
- function Subscription(initialTeardown) {
- this.initialTeardown = initialTeardown;
- this.closed = false;
- this._parentage = null;
- this._finalizers = null;
- }
- Subscription.prototype.unsubscribe = function () {
- var e_1, _a, e_2, _b;
- var errors;
- if (!this.closed) {
- this.closed = true;
- var _parentage = this._parentage;
- if (_parentage) {
- this._parentage = null;
- if (Array.isArray(_parentage)) {
- try {
- for (var _parentage_1 = __values(_parentage), _parentage_1_1 = _parentage_1.next(); !_parentage_1_1.done; _parentage_1_1 = _parentage_1.next()) {
- var parent_1 = _parentage_1_1.value;
- parent_1.remove(this);
- }
- }
- catch (e_1_1) { e_1 = { error: e_1_1 }; }
- finally {
- try {
- if (_parentage_1_1 && !_parentage_1_1.done && (_a = _parentage_1.return)) _a.call(_parentage_1);
- }
- finally { if (e_1) throw e_1.error; }
- }
- }
- else {
- _parentage.remove(this);
- }
- }
- var initialFinalizer = this.initialTeardown;
- if (isFunction_1.isFunction(initialFinalizer)) {
- try {
- initialFinalizer();
- }
- catch (e) {
- errors = e instanceof UnsubscriptionError_1.UnsubscriptionError ? e.errors : [e];
- }
- }
- var _finalizers = this._finalizers;
- if (_finalizers) {
- this._finalizers = null;
- try {
- for (var _finalizers_1 = __values(_finalizers), _finalizers_1_1 = _finalizers_1.next(); !_finalizers_1_1.done; _finalizers_1_1 = _finalizers_1.next()) {
- var finalizer = _finalizers_1_1.value;
- try {
- execFinalizer(finalizer);
- }
- catch (err) {
- errors = errors !== null && errors !== void 0 ? errors : [];
- if (err instanceof UnsubscriptionError_1.UnsubscriptionError) {
- errors = __spreadArray(__spreadArray([], __read(errors)), __read(err.errors));
- }
- else {
- errors.push(err);
- }
- }
- }
- }
- catch (e_2_1) { e_2 = { error: e_2_1 }; }
- finally {
- try {
- if (_finalizers_1_1 && !_finalizers_1_1.done && (_b = _finalizers_1.return)) _b.call(_finalizers_1);
- }
- finally { if (e_2) throw e_2.error; }
- }
- }
- if (errors) {
- throw new UnsubscriptionError_1.UnsubscriptionError(errors);
- }
- }
- };
- Subscription.prototype.add = function (teardown) {
- var _a;
- if (teardown && teardown !== this) {
- if (this.closed) {
- execFinalizer(teardown);
- }
- else {
- if (teardown instanceof Subscription) {
- if (teardown.closed || teardown._hasParent(this)) {
- return;
- }
- teardown._addParent(this);
- }
- (this._finalizers = (_a = this._finalizers) !== null && _a !== void 0 ? _a : []).push(teardown);
- }
- }
- };
- Subscription.prototype._hasParent = function (parent) {
- var _parentage = this._parentage;
- return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));
- };
- Subscription.prototype._addParent = function (parent) {
- var _parentage = this._parentage;
- this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;
- };
- Subscription.prototype._removeParent = function (parent) {
- var _parentage = this._parentage;
- if (_parentage === parent) {
- this._parentage = null;
- }
- else if (Array.isArray(_parentage)) {
- arrRemove_1.arrRemove(_parentage, parent);
- }
- };
- Subscription.prototype.remove = function (teardown) {
- var _finalizers = this._finalizers;
- _finalizers && arrRemove_1.arrRemove(_finalizers, teardown);
- if (teardown instanceof Subscription) {
- teardown._removeParent(this);
- }
- };
- Subscription.EMPTY = (function () {
- var empty = new Subscription();
- empty.closed = true;
- return empty;
- })();
- return Subscription;
- }());
- exports.Subscription = Subscription;
- exports.EMPTY_SUBSCRIPTION = Subscription.EMPTY;
- function isSubscription(value) {
- return (value instanceof Subscription ||
- (value && 'closed' in value && isFunction_1.isFunction(value.remove) && isFunction_1.isFunction(value.add) && isFunction_1.isFunction(value.unsubscribe)));
- }
- exports.isSubscription = isSubscription;
- function execFinalizer(finalizer) {
- if (isFunction_1.isFunction(finalizer)) {
- finalizer();
- }
- else {
- finalizer.unsubscribe();
- }
- }
- //# sourceMappingURL=Subscription.js.map
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