1 files changed, 5 insertions, 0 deletions
diff --git a/node_modules/rollup-pluginutils/src/utils/ensureArray.ts b/node_modules/rollup-pluginutils/src/utils/ensureArray.ts
new file mode 100644
index 0000000..0e8f212
--- /dev/null
+++ b/node_modules/rollup-pluginutils/src/utils/ensureArray.ts
@@ -0,0 +1,5 @@
+export default function ensureArray<T>(thing: Array<T> | T | undefined | null): Array<T> {
+	if (Array.isArray(thing)) return thing;
+	if (thing == undefined) return [];
+	return [thing];
+}