1 files changed, 7 insertions, 0 deletions
diff --git a/node_modules/rxjs/src/internal/util/isFunction.ts b/node_modules/rxjs/src/internal/util/isFunction.ts
new file mode 100644
index 0000000..2715f07
--- /dev/null
+++ b/node_modules/rxjs/src/internal/util/isFunction.ts
@@ -0,0 +1,7 @@
+/**
+ * Returns true if the object is a function.
+ * @param value The value to check
+ */
+export function isFunction(value: any): value is (...args: any[]) => any {
+  return typeof value === 'function';
+}