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node_modules/rxjs/_esm5/internal/observable/bindNodeCallback.js

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+/** PURE_IMPORTS_START _Observable,_AsyncSubject,_operators_map,_util_canReportError,_util_isScheduler,_util_isArray PURE_IMPORTS_END */
+import { Observable } from '../Observable';
+import { AsyncSubject } from '../AsyncSubject';
+import { map } from '../operators/map';
+import { canReportError } from '../util/canReportError';
+import { isScheduler } from '../util/isScheduler';
+import { isArray } from '../util/isArray';
+export function bindNodeCallback(callbackFunc, resultSelector, scheduler) {
+    if (resultSelector) {
+        if (isScheduler(resultSelector)) {
+            scheduler = resultSelector;
+        }
+        else {
+            return function () {
+                var args = [];
+                for (var _i = 0; _i < arguments.length; _i++) {
+                    args[_i] = arguments[_i];
+                }
+                return bindNodeCallback(callbackFunc, scheduler).apply(void 0, args).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));
+            };
+        }
+    }
+    return function () {
+        var args = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            args[_i] = arguments[_i];
+        }
+        var params = {
+            subject: undefined,
+            args: args,
+            callbackFunc: callbackFunc,
+            scheduler: scheduler,
+            context: this,
+        };
+        return new Observable(function (subscriber) {
+            var context = params.context;
+            var subject = params.subject;
+            if (!scheduler) {
+                if (!subject) {
+                    subject = params.subject = new AsyncSubject();
+                    var handler = function () {
+                        var innerArgs = [];
+                        for (var _i = 0; _i < arguments.length; _i++) {
+                            innerArgs[_i] = arguments[_i];
+                        }
+                        var err = innerArgs.shift();
+                        if (err) {
+                            subject.error(err);
+                            return;
+                        }
+                        subject.next(innerArgs.length <= 1 ? innerArgs[0] : innerArgs);
+                        subject.complete();
+                    };
+                    try {
+                        callbackFunc.apply(context, args.concat([handler]));
+                    }
+                    catch (err) {
+                        if (canReportError(subject)) {
+                            subject.error(err);
+                        }
+                        else {
+                            console.warn(err);
+                        }
+                    }
+                }
+                return subject.subscribe(subscriber);
+            }
+            else {
+                return scheduler.schedule(dispatch, 0, { params: params, subscriber: subscriber, context: context });
+            }
+        });
+    };
+}
+function dispatch(state) {
+    var _this = this;
+    var params = state.params, subscriber = state.subscriber, context = state.context;
+    var callbackFunc = params.callbackFunc, args = params.args, scheduler = params.scheduler;
+    var subject = params.subject;
+    if (!subject) {
+        subject = params.subject = new AsyncSubject();
+        var handler = function () {
+            var innerArgs = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                innerArgs[_i] = arguments[_i];
+            }
+            var err = innerArgs.shift();
+            if (err) {
+                _this.add(scheduler.schedule(dispatchError, 0, { err: err, subject: subject }));
+            }
+            else {
+                var value = innerArgs.length <= 1 ? innerArgs[0] : innerArgs;
+                _this.add(scheduler.schedule(dispatchNext, 0, { value: value, subject: subject }));
+            }
+        };
+        try {
+            callbackFunc.apply(context, args.concat([handler]));
+        }
+        catch (err) {
+            this.add(scheduler.schedule(dispatchError, 0, { err: err, subject: subject }));
+        }
+    }
+    this.add(subject.subscribe(subscriber));
+}
+function dispatchNext(arg) {
+    var value = arg.value, subject = arg.subject;
+    subject.next(value);
+    subject.complete();
+}
+function dispatchError(arg) {
+    var err = arg.err, subject = arg.subject;
+    subject.error(err);
+}
+//# sourceMappingURL=bindNodeCallback.js.map