fix: isFilled.image thumbnail names should extend string | null, f…

…ixes #41
prismicio · Feb 4, 2022 · 659c212 · 659c212
1 parent ea814ca
commit 659c212
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/isFilled.ts b/src/isFilled.ts
@@ -94,7 +94,7 @@ export const imageThumbnail = (
  *
  * @returns `true` if `field` is filled, `false` otherwise.
  */
-export const image = <ThumbnailNames extends string>(
+export const image = <ThumbnailNames extends string | null>(
 	field: ImageField<ThumbnailNames>,
 ): field is ImageField<ThumbnailNames, "filled"> => {
 	return imageThumbnail(field);