feat: initial commit

node_modules/rxjs/_esm2015/internal/observable/fromEventPattern.js

@@ -0,0 +1,25 @@
+import { Observable } from '../Observable';
+import { isArray } from '../util/isArray';
+import { isFunction } from '../util/isFunction';
+import { map } from '../operators/map';
+export function fromEventPattern(addHandler, removeHandler, resultSelector) {
+    if (resultSelector) {
+        return fromEventPattern(addHandler, removeHandler).pipe(map(args => isArray(args) ? resultSelector(...args) : resultSelector(args)));
+    }
+    return new Observable(subscriber => {
+        const handler = (...e) => subscriber.next(e.length === 1 ? e[0] : e);
+        let retValue;
+        try {
+            retValue = addHandler(handler);
+        }
+        catch (err) {
+            subscriber.error(err);
+            return undefined;
+        }
+        if (!isFunction(removeHandler)) {
+            return undefined;
+        }
+        return () => removeHandler(handler, retValue);
+    });
+}
+//# sourceMappingURL=fromEventPattern.js.map