From 9a2a9d26d2861f62546339e7a5c59584b170b465 Mon Sep 17 00:00:00 2001
From: Sebastian Silbermann <silbermann.sebastian@gmail.com>
Date: Fri, 17 Jan 2020 12:22:29 +0100
Subject: [PATCH] [core] Fix TypographyStyle not allowing media queries and
 allowing unsafe undefined access #19269

---
 packages/material-ui/src/styles/createTypography.d.ts | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/packages/material-ui/src/styles/createTypography.d.ts b/packages/material-ui/src/styles/createTypography.d.ts
index da6760e23c631f..96191e64d841f4 100644
--- a/packages/material-ui/src/styles/createTypography.d.ts
+++ b/packages/material-ui/src/styles/createTypography.d.ts
@@ -31,12 +31,11 @@ export interface FontStyleOptions extends Partial<FontStyle> {
   allVariants?: CSSProperties;
 }
 
-export type TypographyStyle = Required<
-  Pick<CSSProperties, 'fontFamily' | 'fontSize' | 'fontWeight' | 'fontStyle' | 'color'>
-> &
-  Partial<Pick<CSSProperties, 'letterSpacing' | 'lineHeight' | 'textTransform'>>;
-
-export interface TypographyStyleOptions extends Partial<TypographyStyle> {}
+// TODO: which one should actually be allowed to be subject to module augmentation?
+// current type vs interface decision is kept for historical reasons until we
+// made a decision
+export type TypographyStyle = CSSProperties;
+export interface TypographyStyleOptions extends TypographyStyle {}
 
 export interface TypographyUtils {
   pxToRem: (px: number) => string;