feat: Add testing

Author: HamadTheIronside

.gitignore

@@ -1,2 +1,2 @@
 dist
-node_modules
+node_modules

.npmignore

@@ -0,0 +1 @@
+dist/index.test.*

index.test.tsx

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+import type { Equal, Expect } from '@type-challenges/utils'
+import type { Slots, SlotsCreator, SlotsProps } from "./index"
+import type { ComponentProps, PropsWithChildren, JSX } from 'react'
+
+const SLOTS = {
+  Name1: 'a',
+  Custom: () => <></>,
+  Custom1: (props: PropsWithChildren) => <></>
+} satisfies Slots
+
+type SlotsConfig = SlotsCreator<typeof SLOTS, { Name1: [number], Custom: [{ id: number, name: string }] }>
+
+type Props = SlotsProps<SlotsConfig, { Custom: (props: PropsWithChildren) => JSX.Element }>
+
+type Cases = [
+  Expect<Equal<Props,
+    {
+      slots?: {
+        Custom: (props: PropsWithChildren) => JSX.Element;
+      },
+      slotProps?: {
+        name1?: Partial<ComponentProps<'a'>> | ((...args: [number]) => Partial<ComponentProps<'a'>>);
+        custom?: Partial<PropsWithChildren> | ((...args: [{ id: number, name: string }]) => Partial<Partial<PropsWithChildren>>)
+        custom1?: Partial<PropsWithChildren>
+      }
+    }
+  >>
+]