Correctly iterate over a string.

d3 · Nov 16, 2019 · 8cde069 · 8cde069
1 parent 1ce33b5
commit 8cde069
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/array.js b/src/array.js
@@ -1,3 +1,5 @@
 export default function(x) {
-  return x == null ? [] : "length" in x ? x : Array.from(x);
+  return x == null ? [] // null, undefined
+    : typeof x === "object" && "length" in x ? x // Array, TypedArray, NodeList
+    : Array.from(x); // Map, Set, iterable, string, or anything else
 }