flow like the river

BACK_BACK/node_modules/graphql/jsutils/printPathArray.js.flow

@@ -0,0 +1,13 @@
+// @flow strict
+/**
+ * Build a string describing the path.
+ */
+export default function printPathArray(
+  path: $ReadOnlyArray<string | number>,
+): string {
+  return path
+    .map((key) =>
+      typeof key === 'number' ? '[' + key.toString() + ']' : '.' + key,
+    )
+    .join('');
+}