1 files changed, 11 insertions, 0 deletions
diff --git a/node_modules/acorn/src/util.js b/node_modules/acorn/src/util.js
new file mode 100644
index 000000000..9f548a140
--- /dev/null
+++ b/node_modules/acorn/src/util.js
@@ -0,0 +1,11 @@
+const {hasOwnProperty, toString} = Object.prototype
+
+// Checks if an object has a property.
+
+export function has(obj, propName) {
+  return hasOwnProperty.call(obj, propName)
+}
+
+export const isArray = Array.isArray || ((obj) => (
+  toString.call(obj) === "[object Array]"
+))