fix: bring back Theme TS type export

.changeset/soft-knives-hide.md

@@ -0,0 +1,5 @@
+---
+"@chakra-ui/theme": patch
+---
+
+Bring back the TS type `Theme` export and deprecated `DefaultChakraTheme`.

packages/theme/src/index.ts

@@ -1,7 +1,7 @@
 import components from "./components"
 import foundations from "./foundations"
 import styles from "./styles"
-import { ChakraTheme, ThemeConfig, ThemeDirection } from "./theme.types"
+import { ThemeConfig, ThemeDirection } from "./theme.types"
 
 const direction = "ltr" as ThemeDirection
 
@@ -10,17 +10,21 @@ const config: ThemeConfig = {
   initialColorMode: "light",
 }
 
-const defaultTheme = {
+export const theme = {
   direction,
   ...foundations,
   components,
   styles,
   config,
 }
 
-export const theme: ChakraTheme = defaultTheme
+export type Theme = typeof theme
 
-export type DefaultChakraTheme = typeof defaultTheme
+/**
+ * @deprecated
+ * Duplicate theme type. Please use `Theme`
+ */
+export type DefaultChakraTheme = Theme
 
 export * from "./theme.types"
 

packages/theme/tests/theme.test.ts

@@ -0,0 +1,9 @@
+import theme, { ChakraTheme } from "../src"
+
+describe("Theme", () => {
+  it("should be a ChakraTheme", () => {
+    // Check if default theme is of type ChakraTheme
+    const defaultThemeIsAChakraTheme: ChakraTheme = theme
+    expect(defaultThemeIsAChakraTheme).toBeTruthy()
+  })
+})