@mui/material/utils/useSlot.d.ts

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

import * as React from 'react';
import { ClassValue } from 'clsx';
export type WithCommonProps<T> = T & {
  className?: string;
  style?: React.CSSProperties;
  ref?: React.Ref<any>;
};
type EventHandlers = Record<string, React.EventHandler<any>>;
type ExtractComponentProps<P> = P extends infer T | ((ownerState: any) => infer T) ? T : never;
/**
 * An internal function to create a Material UI slot.
 *
 * This is an advanced version of Base UI `useSlotProps` because Material UI allows leaf component to be customized via `component` prop
 * while Base UI does not need to support leaf component customization.
 *
 * @param {string} name: name of the slot
 * @param {object} parameters
 * @returns {[Slot, slotProps]} The slot's React component and the slot's props
 *
 * Note: the returned slot's props
 * - will never contain `component` prop.
 * - might contain `as` prop.
 */
export default function useSlot<T extends string, ElementType extends React.ElementType, SlotProps, OwnerState extends {}, ExternalSlotProps extends {
  component?: React.ElementType;
  ref?: React.Ref<any>;
}, ExternalForwardedProps extends {
  component?: React.ElementType;
  slots?: { [k in T]?: React.ElementType };
  slotProps?: { [k in T]?: ExternalSlotProps | ((ownerState: OwnerState) => ExternalSlotProps) };
}, AdditionalProps, SlotOwnerState extends {}>(
/**
 * The slot's name. All Material UI components should have `root` slot.
 *
 * If the name is `root`, the logic behaves differently from other slots,
 * e.g. the `externalForwardedProps` are spread to `root` slot but not other slots.
 */
name: T, parameters: (T extends 'root' ? {
  ref: React.ForwardedRef<any>;
} : {
  ref?: React.ForwardedRef<any>;
}) & {
  /**
   * The slot's className
   */
  className: ClassValue | ClassValue[];
  /**
   * The slot's default styled-component
   */
  elementType: ElementType;
  /**
   * The component's ownerState
   */
  ownerState: OwnerState;
  /**
   * The `other` props from the consumer. It has to contain `component`, `slots`, and `slotProps`.
   * The function will use those props to calculate the final rendered element and the returned props.
   *
   * If the slot is not `root`, the rest of the `externalForwardedProps` are neglected.
   */
  externalForwardedProps: ExternalForwardedProps;
  getSlotProps?: (other: EventHandlers) => WithCommonProps<SlotProps>;
  additionalProps?: WithCommonProps<AdditionalProps>;
  /**
   * props forward to `T` only if the `slotProps.*.component` is not provided.
   * e.g. Autocomplete's listbox uses Popper + StyledComponent
   */
  internalForwardedProps?: any;
  /**
   * Set to true if the `elementType` is a styled component of another Material UI component.
   *
   * For example, the AlertRoot is a styled component of the Paper component.
   * This flag is used to forward the `component` and `slotProps.root.component` to the Paper component.
   * Otherwise, the `component` prop will be converted to `as` prop which replaces the Paper component (the paper styles are gone).
   */
  shouldForwardComponentProp?: boolean;
}): [ElementType, {
  className: string;
  ownerState: OwnerState & SlotOwnerState;
} & AdditionalProps & SlotProps & ExternalSlotProps & ExtractComponentProps<Exclude<Exclude<ExternalForwardedProps["slotProps"], undefined>[T], undefined>>];
export {};