Merge pull request #32670 from gretzky/master

[styled-system] Update typing for breakpoints

types/styled-system/index.d.ts

@@ -1,4 +1,4 @@
-// Type definitions for styled-system 3.1
+// Type definitions for styled-system 3.2
 // Project: https://github.com/jxnblk/styled-system#readme
 // Definitions by: Marshall Bowers <https://github.com/maxdeviant>
 //                 Ben McCormick <https://github.com/phobon>
@@ -9,6 +9,7 @@
 //                 Adam Lavin <https://github.com/lavoaster>
 //                 Joachim Schuler <https://github.com/jschuler>
 //                 Adam Misiorny <https://github.com/adam187>
+//                 Sara F-P <https://github.com/gretzky>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
@@ -41,7 +42,9 @@ export interface LowLevelStylefunctionArguments {
     scale?: Array<string | number>;
 }
 
-export function style(args: LowLevelStylefunctionArguments): {[cssProp: string]: string};
+export function style(
+    args: LowLevelStylefunctionArguments
+): { [cssProp: string]: string };
 
 export type TLengthStyledSystem = string | 0 | number;
 export type ResponsiveValue<T> = T | Array<T | null> | { [key: string]: T };
@@ -100,7 +103,7 @@ export function variant(props: VariantArgs): (...args: any[]) => any;
 export type ObjectOrArray<T> = T[] | { [K: string]: T };
 
 export interface BaseTheme {
-    breakpoints?: number[];
+    breakpoints?: string[] | number[] | object;
     colors?: ObjectOrArray<CSS.ColorProperty>;
     fontSizes?: number[];
     space?: number[];