1 files changed, 10 insertions, 0 deletions
diff --git a/node_modules/rxjs/src/internal/util/applyMixins.ts b/node_modules/rxjs/src/internal/util/applyMixins.ts
new file mode 100644
index 0000000..7c1ed24
--- /dev/null
+++ b/node_modules/rxjs/src/internal/util/applyMixins.ts
@@ -0,0 +1,10 @@
+export function applyMixins(derivedCtor: any, baseCtors: any[]) {
+  for (let i = 0, len = baseCtors.length; i < len; i++) {
+    const baseCtor = baseCtors[i];
+    const propertyKeys = Object.getOwnPropertyNames(baseCtor.prototype);
+    for (let j = 0, len2 = propertyKeys.length; j < len2; j++) {
+      const name = propertyKeys[j];
+      derivedCtor.prototype[name] = baseCtor.prototype[name];
+    }
+  }
+}
+\ No newline at end of file