[material-ui] Support CssVarsTheme in responsiveFontSizes return …

…type (mui#42786) Signed-off-by: jxdp <32483798+jxdp@users.noreply.github.com> Co-authored-by: ZeeshanTamboli <zeeshan.tamboli@gmail.com>
joserodolfofreitas · Jul 29, 2024 · b8293ee · b8293ee
1 parent 3f578ce
commit b8293ee
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Showing 2 changed files with 17 additions and 4 deletions.
diff --git a/packages/mui-material/src/styles/responsiveFontSize.spec.ts b/packages/mui-material/src/styles/responsiveFontSize.spec.ts
@@ -0,0 +1,14 @@
+import {
+  responsiveFontSizes,
+  extendTheme,
+  createTheme,
+  Theme,
+  CssVarsTheme,
+} from '@mui/material/styles';
+import { expectType } from '@mui/types';
+
+const cssVarsTheme = responsiveFontSizes(extendTheme());
+expectType<Omit<Theme, 'applyStyles'> & CssVarsTheme, typeof cssVarsTheme>(cssVarsTheme);
+
+const theme = responsiveFontSizes(createTheme());
+expectType<Theme, typeof theme>(theme);
diff --git a/packages/mui-material/src/styles/responsiveFontSizes.d.ts b/packages/mui-material/src/styles/responsiveFontSizes.d.ts
@@ -1,6 +1,5 @@
 import { Breakpoint } from '@mui/system';
 import { Typography } from './createTypography';
-import { Theme } from './createTheme';
 
 export interface ResponsiveFontSizesOptions {
   breakpoints?: Breakpoint[];
@@ -9,7 +8,7 @@ export interface ResponsiveFontSizesOptions {
   variants?: Array<keyof Typography>;
 }
 
-export default function responsiveFontSizes(
-  theme: Theme,
+export default function responsiveFontSizes<T extends { typography: Typography }>(
+  theme: T,
   options?: ResponsiveFontSizesOptions,
-): Theme;
+): T;