fix: Added explicit undefined type to support exactOptionalPropertyTy…

…pes option (#149)
joe-bell · Apr 26, 2023 · c88e3ec · c88e3ec · vercel · Apr 26, 2023
1 parent f3dd56e
commit c88e3ec
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Showing 2 changed files with 9 additions and 4 deletions.
diff --git a/packages/class-variance-authority/src/index.ts b/packages/class-variance-authority/src/index.ts
@@ -29,12 +29,13 @@ export const cx = <T extends CxOptions>(...classes: T): CxReturn =>
 type ConfigSchema = Record<string, Record<string, ClassValue>>;
 
 type ConfigVariants<T extends ConfigSchema> = {
-  [Variant in keyof T]?: StringToBoolean<keyof T[Variant]> | null;
+  [Variant in keyof T]?: StringToBoolean<keyof T[Variant]> | null | undefined;
 };
 type ConfigVariantsMulti<T extends ConfigSchema> = {
   [Variant in keyof T]?:
     | StringToBoolean<keyof T[Variant]>
-    | StringToBoolean<keyof T[Variant]>[];
+    | StringToBoolean<keyof T[Variant]>[]
+    | undefined;
 };
 
 type Config<T> = T extends ConfigSchema

diff --git a/packages/cva/src/index.ts b/packages/cva/src/index.ts
@@ -29,13 +29,17 @@ export const cx = <T extends CxOptions>(...classes: T): CxReturn =>
 type VariantShape = Record<string, Record<string, ClassValue>>;
 
 type VariantSchema<V extends VariantShape> = {
-  [Variant in keyof V]?: StringToBoolean<keyof V[Variant]> | "unset";
+  [Variant in keyof V]?:
+    | StringToBoolean<keyof V[Variant]>
+    | "unset"
+    | undefined;
 };
 
 type VariantSchemaMultiple<V extends VariantShape> = {
   [Variant in keyof V]?:
     | StringToBoolean<keyof V[Variant]>
-    | StringToBoolean<keyof V[Variant]>[];
+    | StringToBoolean<keyof V[Variant]>[]
+    | undefined;
 };
 
 type ConfigBase = { base?: ClassValue };