[Tab] Migrate to emotion (mui#24651)

docs/pages/api-docs/tab.json

@@ -7,6 +7,7 @@
     "disableRipple": { "type": { "name": "bool" } },
     "icon": { "type": { "name": "union", "description": "element<br>&#124;&nbsp;string" } },
     "label": { "type": { "name": "node" } },
+    "sx": { "type": { "name": "object" } },
     "value": { "type": { "name": "any" } },
     "wrapped": { "type": { "name": "bool" } }
   },
@@ -32,6 +33,6 @@
   "filename": "/packages/material-ui/src/Tab/Tab.js",
   "inheritance": { "component": "ButtonBase", "pathname": "/api/button-base/" },
   "demos": "<ul><li><a href=\"/components/tabs/\">Tabs</a></li></ul>",
-  "styledComponent": false,
+  "styledComponent": true,
   "cssComponent": false
 }

docs/translations/api-docs/tab/tab.json

@@ -8,6 +8,7 @@
     "disableRipple": "If <code>true</code>, the ripple effect is disabled.<br>⚠️ Without a ripple there is no styling for :focus-visible by default. Be sure to highlight the element by applying separate styles with the <code>.Mui-focusedVisible</code> class.",
     "icon": "The icon to display.",
     "label": "The label element.",
+    "sx": "The system prop that allows defining system overrides as well as additional CSS styles. See the <a href=\"/system/basics/#the-sx-prop\">`sx` page</a> for more details.",
     "value": "You can provide your own value. Otherwise, we fallback to the child position index.",
     "wrapped": "Tab labels appear in a single row. They can use a second line if needed."
   },

packages/material-ui/src/Tab/Tab.d.ts

@@ -1,4 +1,6 @@
+import { SxProps } from '@material-ui/system';
 import * as React from 'react';
+import { Theme } from '..';
 import { ExtendButtonBase, ExtendButtonBaseTypeMap } from '../ButtonBase';
 import { OverrideProps } from '../OverridableComponent';
 
@@ -52,6 +54,10 @@ export type TabTypeMap<P = {}, D extends React.ElementType = 'div'> = ExtendButt
      * The label element.
      */
     label?: React.ReactNode;
+    /**
+     * The system prop that allows defining system overrides as well as additional CSS styles.
+     */
+    sx?: SxProps<Theme>;
     /**
      * You can provide your own value. Otherwise, we fallback to the child position index.
      */

packages/material-ui/src/Tab/Tab.js

@@ -1,96 +1,142 @@
 import * as React from 'react';
 import PropTypes from 'prop-types';
 import clsx from 'clsx';
-import withStyles from '../styles/withStyles';
+import { deepmerge } from '@material-ui/utils';
+import { unstable_composeClasses as composeClasses } from '@material-ui/unstyled';
 import ButtonBase from '../ButtonBase';
 import capitalize from '../utils/capitalize';
+import useThemeProps from '../styles/useThemeProps';
+import experimentalStyled from '../styles/experimentalStyled';
 import unsupportedProp from '../utils/unsupportedProp';
+import tabClasses, { getTabUtilityClass } from './tabClasses';
 
-export const styles = (theme) => ({
+const overridesResolver = (props, styles) => {
+  const { styleProps } = props;
+
+  return deepmerge(styles.root || {}, {
+    ...(styleProps.label && styleProps.icon && styles.labelIcon),
+    ...styles[`textColor${capitalize(styleProps.textColor)}`],
+    ...(styleProps.fullWidth && styles.fullWidth),
+    ...(styleProps.wrapped && styles.wrapped),
+    [`& .${tabClasses.wrapper}`]: styles.wrapper,
+  });
+};
+
+const useUtilityClasses = (styleProps) => {
+  const { classes, textColor, fullWidth, wrapped, icon, label, selected, disabled } = styleProps;
+
+  const slots = {
+    root: [
+      'root',
+      icon && label && 'labelIcon',
+      `textColor${capitalize(textColor)}`,
+      fullWidth && 'fullWidth',
+      wrapped && 'wrapped',
+      selected && 'selected',
+      disabled && 'disabled',
+    ],
+    wrapper: ['wrapper'],
+  };
+
+  return composeClasses(slots, getTabUtilityClass, classes);
+};
+
+const TabRoot = experimentalStyled(
+  ButtonBase,
+  {},
+  {
+    name: 'MuiTab',
+    slot: 'Root',
+    overridesResolver,
+  },
+)(({ theme, styleProps }) => ({
   /* Styles applied to the root element. */
-  root: {
-    ...theme.typography.button,
-    maxWidth: 264,
-    minWidth: 72,
-    position: 'relative',
-    minHeight: 48,
-    flexShrink: 0,
-    padding: '6px 12px',
-    overflow: 'hidden',
-    whiteSpace: 'normal',
-    textAlign: 'center',
-    [theme.breakpoints.up('sm')]: {
-      minWidth: 160,
-    },
+  ...theme.typography.button,
+  maxWidth: 264,
+  minWidth: 72,
+  position: 'relative',
+  minHeight: 48,
+  flexShrink: 0,
+  padding: '6px 12px',
+  overflow: 'hidden',
+  whiteSpace: 'normal',
+  textAlign: 'center',
+  [theme.breakpoints.up('sm')]: {
+    minWidth: 160,
   },
   /* Styles applied to the root element if both `icon` and `label` are provided. */
-  labelIcon: {
-    minHeight: 72,
-    paddingTop: 9,
-    '& $wrapper > *:first-child': {
-      marginBottom: 6,
-    },
-  },
+  ...(styleProps.icon &&
+    styleProps.label && {
+      minHeight: 72,
+      paddingTop: 9,
+      [`& .${tabClasses.wrapper} > *:first-child`]: {
+        marginBottom: 6,
+      },
+    }),
   /* Styles applied to the root element if the parent [`Tabs`](/api/tabs/) has `textColor="inherit"`. */
-  textColorInherit: {
+  ...(styleProps.textColor === 'inherit' && {
     color: 'inherit',
     opacity: 0.7,
-    '&$selected': {
+    '&.Mui-selected': {
       opacity: 1,
     },
-    '&$disabled': {
+    '&.Mui-disabled': {
       opacity: theme.palette.action.disabledOpacity,
     },
-  },
+  }),
   /* Styles applied to the root element if the parent [`Tabs`](/api/tabs/) has `textColor="primary"`. */
-  textColorPrimary: {
+  ...(styleProps.textColor === 'primary' && {
     color: theme.palette.text.secondary,
-    '&$selected': {
+    '&.Mui-selected': {
       color: theme.palette.primary.main,
     },
-    '&$disabled': {
+    '&.Mui-disabled': {
       color: theme.palette.text.disabled,
     },
-  },
+  }),
   /* Styles applied to the root element if the parent [`Tabs`](/api/tabs/) has `textColor="secondary"`. */
-  textColorSecondary: {
+  ...(styleProps.textColor === 'secondary' && {
     color: theme.palette.text.secondary,
-    '&$selected': {
+    '&.Mui-selected': {
       color: theme.palette.secondary.main,
     },
-    '&$disabled': {
+    '&.Mui-disabled': {
       color: theme.palette.text.disabled,
     },
-  },
-  /* Pseudo-class applied to the root element if `selected={true}` (controlled by the Tabs component). */
-  selected: {},
-  /* Pseudo-class applied to the root element if `disabled={true}` (controlled by the Tabs component). */
-  disabled: {},
-  /* Styles applied to the root element if `fullWidth={true}` (controlled by the Tabs component). */
-  fullWidth: {
+  }),
+  /* Styles applied to the root element if `fullWidth={true}` */
+  ...(styleProps.fullWidth && {
     flexShrink: 1,
     flexGrow: 1,
     flexBasis: 0,
     maxWidth: 'none',
-  },
+  }),
   /* Styles applied to the root element if `wrapped={true}`. */
-  wrapped: {
+  ...(styleProps.wrapped && {
     fontSize: theme.typography.pxToRem(12),
     lineHeight: 1.5,
+  }),
+}));
+
+const TabWrapper = experimentalStyled(
+  'span',
+  {},
+  {
+    name: 'MuiTab',
+    slot: 'Wrapper',
   },
+)({
   /* Styles applied to the `icon` and `label`'s wrapper element. */
-  wrapper: {
-    display: 'inline-flex',
-    alignItems: 'center',
-    justifyContent: 'center',
-    width: '100%',
-    flexDirection: 'column',
-  },
+  display: 'inline-flex',
+  alignItems: 'center',
+  justifyContent: 'center',
+  width: '100%',
+  flexDirection: 'column',
 });
 
-const Tab = React.forwardRef(function Tab(props, ref) {
+const Tab = React.forwardRef(function Tab(inProps, ref) {
+  const props = useThemeProps({ props: inProps, name: 'MuiTab' });
   const {
-    classes,
     className,
     disabled = false,
     disableFocusRipple = false,
@@ -114,6 +160,20 @@ const Tab = React.forwardRef(function Tab(props, ref) {
     ...other
   } = props;
 
+  const styleProps = {
+    ...props,
+    disabled,
+    disableFocusRipple,
+    selected,
+    icon: !!icon,
+    label: !!label,
+    fullWidth,
+    textColor,
+    wrapped,
+  };
+
+  const classes = useUtilityClasses(styleProps);
+
   const handleClick = (event) => {
     if (!selected && onChange) {
       onChange(event, value);
@@ -135,35 +195,25 @@ const Tab = React.forwardRef(function Tab(props, ref) {
   };
 
   return (
-    <ButtonBase
+    <TabRoot
       focusRipple={!disableFocusRipple}
-      className={clsx(
-        classes.root,
-        classes[`textColor${capitalize(textColor)}`],
-        {
-          [classes.disabled]: disabled,
-          [classes.selected]: selected,
-          [classes.labelIcon]: label && icon,
-          [classes.fullWidth]: fullWidth,
-          [classes.wrapped]: wrapped,
-        },
-        className,
-      )}
+      className={clsx(classes.root, className)}
       ref={ref}
       role="tab"
       aria-selected={selected}
       disabled={disabled}
       onClick={handleClick}
       onFocus={handleFocus}
+      styleProps={styleProps}
       tabIndex={selected ? 0 : -1}
       {...other}
     >
-      <span className={classes.wrapper}>
+      <TabWrapper className={classes.wrapper} styleProps={styleProps}>
         {icon}
         {label}
-      </span>
+      </TabWrapper>
       {indicator}
-    </ButtonBase>
+    </TabRoot>
   );
 });
 
@@ -223,6 +273,10 @@ Tab.propTypes = {
    * @ignore
    */
   onFocus: PropTypes.func,
+  /**
+   * The system prop that allows defining system overrides as well as additional CSS styles.
+   */
+  sx: PropTypes.object,
   /**
    * You can provide your own value. Otherwise, we fallback to the child position index.
    */
@@ -235,4 +289,4 @@ Tab.propTypes = {
   wrapped: PropTypes.bool,
 };
 
-export default withStyles(styles, { name: 'MuiTab' })(Tab);
+export default Tab;

packages/material-ui/src/Tab/Tab.test.js

@@ -1,31 +1,24 @@
 import * as React from 'react';
 import { expect } from 'chai';
 import { spy } from 'sinon';
-import {
-  getClasses,
-  createMount,
-  describeConformance,
-  act,
-  createClientRender,
-  fireEvent,
-} from 'test/utils';
+import { createMount, describeConformanceV5, act, createClientRender, fireEvent } from 'test/utils';
 import Tab from './Tab';
 import ButtonBase from '../ButtonBase';
+import classes from './tabClasses';
 
 describe('<Tab />', () => {
   const mount = createMount();
   const render = createClientRender();
-  let classes;
 
-  before(() => {
-    classes = getClasses(<Tab textColor="inherit" />);
-  });
-
-  describeConformance(<Tab textColor="inherit" />, () => ({
+  describeConformanceV5(<Tab textColor="inherit" />, () => ({
     classes,
     inheritComponent: ButtonBase,
     mount,
+    muiName: 'MuiTab',
+    testDeepOverrides: { slotName: 'wrapper', slotClassName: classes.wrapper },
+    testVariantProps: { variant: 'foo' },
     refInstanceof: window.HTMLButtonElement,
+    skip: ['componentProp', 'componentsProp'],
   }));
 
   it('should have a ripple by default', () => {

packages/material-ui/src/Tab/index.d.ts

@@ -1,2 +1,5 @@
 export { default } from './Tab';
 export * from './Tab';
+
+export { default as tabClasses } from './tabClasses';
+export * from './tabClasses';

packages/material-ui/src/Tab/index.js

@@ -1 +1,4 @@
 export { default } from './Tab';
+
+export { default as tabClasses } from './tabClasses';
+export * from './tabClasses';

packages/material-ui/src/Tab/tabClasses.d.ts

@@ -0,0 +1,18 @@
+export interface TabClasses {
+  root: string;
+  labelIcon: string;
+  textColorInherit: string;
+  textColorPrimary: string;
+  textColorSecondary: string;
+  selected: string;
+  disabled: string;
+  fullWidth: string;
+  wrapped: string;
+  wrapper: string;
+}
+
+declare const tabClasses: TabClasses;
+
+export function getTabUtilityClass(slot: string): string;
+
+export default tabClasses;