first commit

node_modules/is-what/dist/isInstanceOf.js

@@ -0,0 +1,19 @@
+import { getType } from './getType.js';
+import { isType } from './isType.js';
+export function isInstanceOf(value, classOrClassName) {
+    if (typeof classOrClassName === 'function') {
+        for (let p = value; p; p = Object.getPrototypeOf(p)) {
+            if (isType(p, classOrClassName)) {
+                return true;
+            }
+        }
+    }
+    else {
+        for (let p = value; p; p = Object.getPrototypeOf(p)) {
+            if (getType(p) === classOrClassName) {
+                return true;
+            }
+        }
+    }
+    return false;
+}