Feat/visual refresh

.github/CODEOWNERS

@@ -331,6 +331,8 @@ packages/react-components/component-selector-preview/library @microsoft/teams-pr
 packages/react-components/component-selector-preview/stories @microsoft/teams-prg
 packages/react-components/react-menu-grid-preview/library @microsoft/teams-prg
 packages/react-components/react-menu-grid-preview/stories @microsoft/teams-prg
+packages/react-components/visual-refresh-preview/library @microsoft/teams-prg
+packages/react-components/visual-refresh-preview/stories @microsoft/teams-prg
 # <%= NX-CODEOWNER-PLACEHOLDER %>
 
 # Deprecated v9 packages - exposed as part of `/unstable` api

packages/react-components/react-button/library/src/components/Button/useButtonStyles.styles.ts

@@ -4,8 +4,10 @@ import { iconFilledClassName, iconRegularClassName } from '@fluentui/react-icons
 import { createCustomFocusIndicatorStyle } from '@fluentui/react-tabster';
 import { tokens } from '@fluentui/react-theme';
 import { shorthands, makeStyles, makeResetStyles, mergeClasses } from '@griffel/react';
+import type { GriffelStyle } from '@griffel/react';
+import { semanticTokenVar, useIsVisualRefreshEnabled } from '@fluentui/visual-refresh-preview';
 import type { SlotClassNames } from '@fluentui/react-utilities';
-import type { ButtonSlots, ButtonState } from './Button.types';
+import type { ButtonProps, ButtonSlots, ButtonState } from './Button.types';
 
 export const buttonClassNames: SlotClassNames<ButtonSlots> = {
   root: 'fui-Button',
@@ -550,9 +552,153 @@ const useIconStyles = makeStyles({
   },
 });
 
+export type VisualRefreshAppearanceName = 'base' | NonNullable<ButtonProps['appearance']>;
+
+type VisualRefreshAppearanceVariant = VisualRefreshAppearanceName | 'base' | 'neutral' | 'brand';
+
+const visualRefreshAppearanceAlias: Record<
+  VisualRefreshAppearanceVariant,
+  'neutral' | 'brand' | 'outline' | 'subtle' | 'transparent'
+> = {
+  base: 'neutral',
+  neutral: 'neutral',
+  secondary: 'neutral',
+  brand: 'brand',
+  primary: 'brand',
+  outline: 'outline',
+  subtle: 'subtle',
+  transparent: 'transparent',
+};
+
+type SemanticTokenName = Parameters<typeof semanticTokenVar>[0];
+
+const getSemanticTokenValue = (token: string) => semanticTokenVar(token as SemanticTokenName);
+const createVisualRefreshAppearanceStyles = (appearance: VisualRefreshAppearanceVariant): GriffelStyle => {
+  const tokenGroup = visualRefreshAppearanceAlias[appearance] ?? 'neutral';
+  const foregroundTokenBase = `foreground/ctrl/${tokenGroup}`;
+  const backgroundTokenBase = `background/ctrl/${tokenGroup}`;
+  const borderTokenBase = `borderColor/ctrl/${tokenGroup}`;
+  const iconColorTokenBase = `iconColor/ctrl/${tokenGroup}`;
+
+  return {
+    color: getSemanticTokenValue(`${foregroundTokenBase}/rest`),
+    backgroundColor: getSemanticTokenValue(`${backgroundTokenBase}/rest`),
+    ...shorthands.borderColor(getSemanticTokenValue(`${borderTokenBase}/rest`)),
+    [`& .${buttonClassNames.icon}`]: {
+      color: getSemanticTokenValue(`${iconColorTokenBase}/rest`),
+    },
+
+    ':hover': {
+      color: getSemanticTokenValue(`${foregroundTokenBase}/hover`),
+      backgroundColor: getSemanticTokenValue(`${backgroundTokenBase}/hover`),
+      ...shorthands.borderColor(getSemanticTokenValue(`${borderTokenBase}/hover`)),
+      [`& .${iconFilledClassName}`]: {
+        display: 'inline',
+      },
+      [`& .${iconRegularClassName}`]: {
+        display: 'none',
+      },
+      [`& .${buttonClassNames.icon}`]: {
+        color: getSemanticTokenValue(`${iconColorTokenBase}/hover`),
+      },
+    },
+
+    ':hover:active': {
+      color: getSemanticTokenValue(`${foregroundTokenBase}/pressed`),
+      backgroundColor: getSemanticTokenValue(`${backgroundTokenBase}/pressed`),
+      ...shorthands.borderColor(getSemanticTokenValue(`${borderTokenBase}/pressed`)),
+      [`& .${buttonClassNames.icon}`]: {
+        color: getSemanticTokenValue(`${iconColorTokenBase}/pressed`),
+      },
+    },
+
+    ':disabled': {
+      pointerEvents: 'none',
+      color: getSemanticTokenValue(`${foregroundTokenBase}/disabled`),
+      backgroundColor: getSemanticTokenValue(`${backgroundTokenBase}/disabled`),
+      ...shorthands.borderColor(getSemanticTokenValue(`${borderTokenBase}/disabled`)),
+      [`& .${buttonClassNames.icon}`]: {
+        color: getSemanticTokenValue(`${iconColorTokenBase}/disabled`),
+      },
+    },
+  };
+};
+
+const useVisualRefreshStyles = makeStyles({
+  base: createVisualRefreshAppearanceStyles('base'),
+
+  // Appearance variations
+  outline: createVisualRefreshAppearanceStyles('outline'),
+  primary: createVisualRefreshAppearanceStyles('primary'),
+  secondary: {
+    // same as base
+  },
+  subtle: createVisualRefreshAppearanceStyles('subtle'),
+  transparent: createVisualRefreshAppearanceStyles('transparent'),
+
+  small: {
+    minHeight: semanticTokenVar('size/ctrl/sm'),
+    height: semanticTokenVar('size/ctrl/sm'),
+
+    padding: `${semanticTokenVar('padding/ctrl/vertical/sm')} ${semanticTokenVar('padding/ctrl/horizontal/sm')}`,
+    borderRadius: semanticTokenVar('corner/ctrl/sm'),
+
+    fontSize: semanticTokenVar('fontSize/ctrl/sm'),
+    fontWeight: semanticTokenVar('fontWeight/ctrl/sm'),
+    lineHeight: semanticTokenVar('lineHeight/ctrl/sm'),
+  },
+  medium: {
+    minHeight: semanticTokenVar('size/ctrl/md'),
+    height: semanticTokenVar('size/ctrl/md'),
+
+    padding: `${semanticTokenVar('padding/ctrl/vertical/md')} ${semanticTokenVar('padding/ctrl/horizontal/md')}`,
+    borderRadius: semanticTokenVar('corner/ctrl/md'),
+
+    fontSize: semanticTokenVar('fontSize/ctrl/md'),
+    fontWeight: semanticTokenVar('fontWeight/ctrl/md'),
+    lineHeight: semanticTokenVar('lineHeight/ctrl/md'),
+  },
+  large: {
+    minHeight: semanticTokenVar('size/ctrl/lg'),
+    height: semanticTokenVar('size/ctrl/lg'),
+
+    padding: `${semanticTokenVar('padding/ctrl/vertical/lg')} ${semanticTokenVar('padding/ctrl/horizontal/lg')}`,
+    borderRadius: semanticTokenVar('corner/ctrl/lg'),
+
+    fontSize: semanticTokenVar('fontSize/ctrl/lg'),
+    fontWeight: semanticTokenVar('fontWeight/ctrl/lg'),
+    lineHeight: semanticTokenVar('lineHeight/ctrl/lg'),
+  },
+});
+
+const useVisualRefreshIconStyles = makeStyles({
+  small: {
+    fontSize: '12px',
+    height: '12px',
+    width: '12px',
+
+    [iconSpacingVar]: tokens.spacingHorizontalXS,
+  },
+  medium: {
+    fontSize: '16px',
+    height: '16px',
+    width: '16px',
+  },
+  large: {
+    fontSize: '16px',
+    height: '16px',
+    width: '16px',
+
+    [iconSpacingVar]: tokens.spacingHorizontalSNudge,
+  },
+});
+
 export const useButtonStyles_unstable = (state: ButtonState): ButtonState => {
   'use no memo';
 
+  const isVisualRefreshEnabled = useIsVisualRefreshEnabled();
+  const visualRefreshStyles = useVisualRefreshStyles();
+
   const rootBaseClassName = useRootBaseClassName();
   const iconBaseClassName = useIconBaseClassName();
 
@@ -561,9 +707,16 @@ export const useButtonStyles_unstable = (state: ButtonState): ButtonState => {
   const rootFocusStyles = useRootFocusStyles();
   const rootIconOnlyStyles = useRootIconOnlyStyles();
   const iconStyles = useIconStyles();
+  const iconVisualRefreshStyles = useVisualRefreshIconStyles();
 
   const { appearance, disabled, disabledFocusable, icon, iconOnly, iconPosition, shape, size } = state;
 
+  const visualRefreshStylesRecord = visualRefreshStyles as unknown as Record<string, string>;
+  const visualRefreshSlots: Array<string | undefined> = ['root', appearance, shape, size];
+  const visualRefreshOverrides = isVisualRefreshEnabled
+    ? mergeClasses(...visualRefreshSlots.map(slot => (slot ? visualRefreshStylesRecord[slot] : undefined)))
+    : undefined;
+
   state.root.className = mergeClasses(
     buttonClassNames.root,
     rootBaseClassName,
@@ -581,15 +734,18 @@ export const useButtonStyles_unstable = (state: ButtonState): ButtonState => {
     appearance && (disabled || disabledFocusable) && rootDisabledStyles[appearance],
 
     // Focus styles
-    appearance === 'primary' && rootFocusStyles.primary,
-    rootFocusStyles[size],
-    rootFocusStyles[shape],
+    !isVisualRefreshEnabled && appearance === 'primary' && rootFocusStyles.primary,
+    !isVisualRefreshEnabled && rootFocusStyles[size],
+    !isVisualRefreshEnabled && rootFocusStyles[shape],
 
     // Icon-only styles
     iconOnly && rootIconOnlyStyles[size],
 
     // User provided class name
     state.root.className,
+
+    isVisualRefreshEnabled && visualRefreshOverrides,
+    isVisualRefreshEnabled && visualRefreshStyles[size],
   );
 
   if (state.icon) {
@@ -598,9 +754,70 @@ export const useButtonStyles_unstable = (state: ButtonState): ButtonState => {
       iconBaseClassName,
       !!state.root.children && iconStyles[iconPosition],
       iconStyles[size],
+      isVisualRefreshEnabled && iconVisualRefreshStyles[size],
       state.icon.className,
     );
   }
-
   return state;
 };
+
+/**
+ *  Visual Refresh Storybook utils
+ *  */
+type VisualRefreshInteractionState = 'rest' | 'hover' | 'pressed' | 'disabled';
+type VisualRefreshIconVariant = 'regular' | 'filled';
+
+const filledIconStates = new Set<VisualRefreshInteractionState>(['hover', 'pressed']);
+
+const visualRefreshInteractionStates: readonly VisualRefreshInteractionState[] = [
+  'rest',
+  'hover',
+  'pressed',
+  'disabled',
+];
+
+const createInteractionStateTokens = (tokenBase: string): Record<VisualRefreshInteractionState, string> =>
+  Object.fromEntries(
+    visualRefreshInteractionStates.map(state => [state, getSemanticTokenValue(`${tokenBase}/${state}`)]),
+  ) as Record<VisualRefreshInteractionState, string>;
+
+const createIconVariantTokens = (): Record<VisualRefreshInteractionState, VisualRefreshIconVariant> =>
+  Object.fromEntries(
+    visualRefreshInteractionStates.map(state => [state, filledIconStates.has(state) ? 'filled' : 'regular']),
+  ) as Record<VisualRefreshInteractionState, VisualRefreshIconVariant>;
+
+export type VisualRefreshAppearanceStateTokens = {
+  foreground: Record<VisualRefreshInteractionState, string>;
+  background: Record<VisualRefreshInteractionState, string>;
+  border: Record<VisualRefreshInteractionState, string>;
+  icon: {
+    color: Record<VisualRefreshInteractionState, string>;
+    variant: Record<VisualRefreshInteractionState, VisualRefreshIconVariant>;
+  };
+};
+
+const resolveVisualRefreshAppearanceVariant = (
+  appearance?: VisualRefreshAppearanceName,
+): VisualRefreshAppearanceVariant => {
+  if (!appearance) {
+    return 'secondary';
+  }
+  return appearance;
+};
+
+export const getVisualRefreshAppearanceStateTokens = (
+  appearance?: VisualRefreshAppearanceName,
+): VisualRefreshAppearanceStateTokens => {
+  const variant = resolveVisualRefreshAppearanceVariant(appearance);
+  const tokenGroup = visualRefreshAppearanceAlias[variant] ?? 'neutral';
+
+  const foreground = createInteractionStateTokens(`foreground/ctrl/${tokenGroup}`);
+  const background = createInteractionStateTokens(`background/ctrl/${tokenGroup}`);
+  const border = createInteractionStateTokens(`borderColor/ctrl/${tokenGroup}`);
+  const icon = {
+    color: createInteractionStateTokens(`iconColor/ctrl/${tokenGroup}`),
+    variant: createIconVariantTokens(),
+  };
+
+  return { foreground, background, border, icon };
+};

packages/react-components/visual-refresh-preview/library/.babelrc.json

@@ -0,0 +1,4 @@
+{
+  "extends": "../../../../.babelrc-v9.json",
+  "plugins": ["annotate-pure-calls", "@babel/transform-react-pure-annotations"]
+}

packages/react-components/visual-refresh-preview/library/.eslintrc.json

@@ -0,0 +1,4 @@
+{
+  "extends": ["plugin:@fluentui/eslint-plugin/react"],
+  "root": true
+}

packages/react-components/visual-refresh-preview/library/.swcrc

@@ -0,0 +1,30 @@
+{
+  "$schema": "https://json.schemastore.org/swcrc",
+  "exclude": [
+    "/testing",
+    "/**/*.cy.ts",
+    "/**/*.cy.tsx",
+    "/**/*.spec.ts",
+    "/**/*.spec.tsx",
+    "/**/*.test.ts",
+    "/**/*.test.tsx"
+  ],
+  "jsc": {
+    "parser": {
+      "syntax": "typescript",
+      "tsx": true,
+      "decorators": false,
+      "dynamicImport": false
+    },
+    "externalHelpers": true,
+    "transform": {
+      "react": {
+        "runtime": "classic",
+        "useSpread": true
+      }
+    },
+    "target": "es2019"
+  },
+  "minify": false,
+  "sourceMaps": true
+}

packages/react-components/visual-refresh-preview/library/LICENSE

@@ -0,0 +1,15 @@
+@fluentui/visual-refresh-preview
+
+Copyright (c) Microsoft Corporation
+
+All rights reserved.
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ""Software""), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Note: Usage of the fonts and icons referenced in Fluent UI React is subject to the terms listed at https://aka.ms/fluentui-assets-license

packages/react-components/visual-refresh-preview/library/README.md

@@ -0,0 +1,5 @@
+# @fluentui/visual-refresh-preview
+
+**Visual Refresh components for [Fluent UI React](https://react.fluentui.dev/)**
+
+These are not production-ready components and **should never be used in product**. This space is useful for testing new components whose APIs might change before final release.

packages/react-components/visual-refresh-preview/library/config/api-extractor.json

@@ -0,0 +1,5 @@
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
+  "extends": "@fluentui/scripts-api-extractor/api-extractor.common.v-next.json",
+  "mainEntryPointFilePath": "<projectRoot>/../../../../../../dist/out-tsc/types/packages/react-components/<unscopedPackageName>/library/src/index.d.ts"
+}

packages/react-components/visual-refresh-preview/library/config/tests.js

@@ -0,0 +1 @@
+/** Jest test setup file. */