Add button focus styles (#2007)

* Add button focus styles

* Fix primary button focus styles

* Fix safari fallback

* Fix toggle switch snapshot

* Create strange-jobs-add.md

Author: pksjce

.changeset/strange-jobs-add.md

@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Add button focus styles

src/Button/styles.ts

@@ -2,6 +2,17 @@ import {VariantType} from './types'
 import {Theme} from '../ThemeProvider'
 
 export const TEXT_ROW_HEIGHT = '20px' // custom value off the scale
+const focusOutlineStyles = {
+  outline: '2px solid',
+  outlineColor: 'accent.fg',
+  outlineOffset: '-2px'
+}
+const fallbackFocus = {
+  ...focusOutlineStyles,
+  ':not(:focus-visible)': {
+    outline: 'solid 1px transparent'
+  }
+}
 
 export const getVariantStyles = (variant: VariantType = 'default', theme?: Theme) => {
   const style = {
@@ -14,8 +25,9 @@ export const getVariantStyles = (variant: VariantType = 'default', theme?: Theme
       },
       // focus must come before :active so that the active box shadow overrides
       '&:focus:not([disabled])': {
-        boxShadow: `${theme?.shadows.btn.focusShadow}`
+        ...fallbackFocus
       },
+      '&:focus-visible:not([disabled])': focusOutlineStyles,
       '&:active:not([disabled])': {
         backgroundColor: 'btn.activeBg',
         borderColor: 'btn.activeBorder'
@@ -42,7 +54,12 @@ export const getVariantStyles = (variant: VariantType = 'default', theme?: Theme
       },
       // focus must come before :active so that the active box shadow overrides
       '&:focus:not([disabled])': {
-        boxShadow: `${theme?.shadows.btn.primary.focusShadow}`
+        boxShadow: 'inset 0 0 0 3px',
+        ...fallbackFocus
+      },
+      '&:focus-visible:not([disabled])': {
+        ...focusOutlineStyles,
+        boxShadow: 'inset 0 0 0 3px'
       },
       '&:active:not([disabled])': {
         backgroundColor: 'btn.primary.selectedBg',
@@ -80,9 +97,9 @@ export const getVariantStyles = (variant: VariantType = 'default', theme?: Theme
       },
       // focus must come before :active so that the active box shadow overrides
       '&:focus:not([disabled])': {
-        borderColor: 'btn.danger.focusBorder',
-        boxShadow: `${theme?.shadows.btn.danger.focusShadow}`
+        ...fallbackFocus
       },
+      '&:focus-visible:not([disabled])': focusOutlineStyles,
       '&:active:not([disabled])': {
         color: 'btn.danger.selectedText',
         backgroundColor: 'btn.danger.selectedBg',
@@ -119,8 +136,9 @@ export const getVariantStyles = (variant: VariantType = 'default', theme?: Theme
       },
       // focus must come before :active so that the active box shadow overrides
       '&:focus:not([disabled])': {
-        boxShadow: `${theme?.shadows.btn.focusShadow}`
+        ...fallbackFocus
       },
+      '&:focus-visible:not([disabled])': focusOutlineStyles,
       '&:active:not([disabled])': {
         backgroundColor: 'btn.selectedBg'
       },
@@ -152,10 +170,9 @@ export const getVariantStyles = (variant: VariantType = 'default', theme?: Theme
       },
       // focus must come before :active so that the active box shadow overrides
       '&:focus:not([disabled])': {
-        borderColor: 'btn.outline.focusBorder',
-        boxShadow: `${theme?.shadows.btn.outline.focusShadow}`
+        ...fallbackFocus
       },
-
+      '&:focus-visible:not([disabled])': focusOutlineStyles,
       '&:active:not([disabled])': {
         color: 'btn.outline.selectedText',
         backgroundColor: 'btn.outline.selectedBg',
@@ -242,9 +259,6 @@ export const getBaseStyles = (theme?: Theme) => ({
   userSelect: 'none',
   textDecoration: 'none',
   textAlign: 'center',
-  '&:focus': {
-    outline: 'none'
-  },
   '&:disabled': {
     cursor: 'default'
   },

src/__tests__/__snapshots__/ActionMenu.test.tsx.snap

@@ -44,10 +44,6 @@ exports[`ActionMenu renders consistently 1`] = `
   box-shadow: 0 1px 0 rgba(27,31,36,0.04),inset 0 1px 0 rgba(255,255,255,0.25);
 }
 
-.c1:focus {
-  outline: none;
-}
-
 .c1:disabled {
   cursor: default;
   color: #8c959f;
@@ -86,7 +82,19 @@ exports[`ActionMenu renders consistently 1`] = `
 }
 
 .c1:focus:not([disabled]) {
-  box-shadow: 0 0 0 3px rgba(9,105,218,0.3);
+  outline: 2px solid;
+  outline-color: #0969da;
+  outline-offset: -2px;
+}
+
+.c1:focus:not([disabled]):not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.c1:focus-visible:not([disabled]) {
+  outline: 2px solid;
+  outline-color: #0969da;
+  outline-offset: -2px;
 }
 
 .c1:active:not([disabled]) {

src/__tests__/__snapshots__/Button.test.tsx.snap

@@ -33,10 +33,6 @@ exports[`Button renders consistently 1`] = `
   box-shadow: 0 1px 0 rgba(27,31,36,0.04),inset 0 1px 0 rgba(255,255,255,0.25);
 }
 
-.c0:focus {
-  outline: none;
-}
-
 .c0:disabled {
   cursor: default;
   color: #8c959f;
@@ -75,7 +71,19 @@ exports[`Button renders consistently 1`] = `
 }
 
 .c0:focus:not([disabled]) {
-  box-shadow: 0 0 0 3px rgba(9,105,218,0.3);
+  outline: 2px solid;
+  outline-color: #0969da;
+  outline-offset: -2px;
+}
+
+.c0:focus:not([disabled]):not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.c0:focus-visible:not([disabled]) {
+  outline: 2px solid;
+  outline-color: #0969da;
+  outline-offset: -2px;
 }
 
 .c0:active:not([disabled]) {
@@ -131,10 +139,6 @@ exports[`Button styles danger button appropriately 1`] = `
   box-shadow: undefined;
 }
 
-.c0:focus {
-  outline: none;
-}
-
 .c0:disabled {
   cursor: default;
   color: btn.danger.disabledText;
@@ -186,8 +190,19 @@ exports[`Button styles danger button appropriately 1`] = `
 }
 
 .c0:focus:not([disabled]) {
-  border-color: btn.danger.focusBorder;
-  box-shadow: undefined;
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
+}
+
+.c0:focus:not([disabled]):not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.c0:focus-visible:not([disabled]) {
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
 }
 
 .c0:active:not([disabled]) {
@@ -255,10 +270,6 @@ exports[`Button styles icon only button to make it a square 1`] = `
   box-shadow: undefined,undefined;
 }
 
-.c0:focus {
-  outline: none;
-}
-
 .c0:disabled {
   cursor: default;
   color: primer.fg.disabled;
@@ -281,7 +292,19 @@ exports[`Button styles icon only button to make it a square 1`] = `
 }
 
 .c0:focus:not([disabled]) {
-  box-shadow: undefined;
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
+}
+
+.c0:focus:not([disabled]):not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.c0:focus-visible:not([disabled]) {
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
 }
 
 .c0:active:not([disabled]) {
@@ -358,10 +381,6 @@ exports[`Button styles invisible button appropriately 1`] = `
   box-shadow: none;
 }
 
-.c0:focus {
-  outline: none;
-}
-
 .c0:disabled {
   cursor: default;
   color: primer.fg.disabled;
@@ -400,7 +419,19 @@ exports[`Button styles invisible button appropriately 1`] = `
 }
 
 .c0:focus:not([disabled]) {
-  box-shadow: undefined;
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
+}
+
+.c0:focus:not([disabled]):not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.c0:focus-visible:not([disabled]) {
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
 }
 
 .c0:active:not([disabled]) {
@@ -461,10 +492,6 @@ exports[`Button styles outline button appropriately 1`] = `
   background-color: btn.bg;
 }
 
-.c0:focus {
-  outline: none;
-}
-
 .c0:disabled {
   cursor: default;
   color: btn.outline.disabledText;
@@ -516,8 +543,19 @@ exports[`Button styles outline button appropriately 1`] = `
 }
 
 .c0:focus:not([disabled]) {
-  border-color: btn.outline.focusBorder;
-  box-shadow: undefined;
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
+}
+
+.c0:focus:not([disabled]):not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.c0:focus-visible:not([disabled]) {
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
 }
 
 .c0:active:not([disabled]) {
@@ -584,10 +622,6 @@ exports[`Button styles primary button appropriately 1`] = `
   box-shadow: undefined;
 }
 
-.c0:focus {
-  outline: none;
-}
-
 .c0:disabled {
   cursor: default;
   color: btn.primary.disabledText;
@@ -630,7 +664,21 @@ exports[`Button styles primary button appropriately 1`] = `
 }
 
 .c0:focus:not([disabled]) {
-  box-shadow: undefined;
+  box-shadow: inset 0 0 0 3px;
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
+}
+
+.c0:focus:not([disabled]):not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.c0:focus-visible:not([disabled]) {
+  outline: 2px solid;
+  outline-color: accent.fg;
+  outline-offset: -2px;
+  box-shadow: inset 0 0 0 3px;
 }
 
 .c0:active:not([disabled]) {