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node_modules/rxjs/dist/esm5/internal/observable/fromEventPattern.js

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+import { Observable } from '../Observable';
+import { isFunction } from '../util/isFunction';
+import { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';
+export function fromEventPattern(addHandler, removeHandler, resultSelector) {
+    if (resultSelector) {
+        return fromEventPattern(addHandler, removeHandler).pipe(mapOneOrManyArgs(resultSelector));
+    }
+    return new Observable(function (subscriber) {
+        var handler = function () {
+            var e = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                e[_i] = arguments[_i];
+            }
+            return subscriber.next(e.length === 1 ? e[0] : e);
+        };
+        var retValue = addHandler(handler);
+        return isFunction(removeHandler) ? function () { return removeHandler(handler, retValue); } : undefined;
+    });
+}
+//# sourceMappingURL=fromEventPattern.js.map