ant-design/components/tooltip/index.tsx

import * as React from 'react';
import { cloneElement } from 'react';
import RcTooltip from 'rc-tooltip';
import classNames from 'classnames';
import getPlacements, { AdjustOverflow, PlacementsConfig } from './placements';
import Button from '../button/index';

export { AdjustOverflow, PlacementsConfig };

export type TooltipPlacement =
  'top' | 'left' | 'right' | 'bottom' |
  'topLeft' | 'topRight' | 'bottomLeft' | 'bottomRight' |
  'leftTop' | 'leftBottom' | 'rightTop' | 'rightBottom';

export type TooltipTrigger = 'hover' | 'focus' | 'click' | 'contextMenu';

export interface AbstractTooltipProps {
  prefixCls?: string;
  overlayClassName?: string;
  style?: React.CSSProperties;
  overlayStyle?: React.CSSProperties;
  placement?: TooltipPlacement;
  builtinPlacements?: Object;
  defaultVisible?: boolean;
  visible?: boolean;
  onVisibleChange?: (visible: boolean) => void;
  mouseEnterDelay?: number;
  mouseLeaveDelay?: number;
  transitionName?: string;
  trigger?: TooltipTrigger;
  openClassName?: string;
  arrowPointAtCenter?: boolean;
  autoAdjustOverflow?: boolean | AdjustOverflow;
  // getTooltipContainer had been rename to getPopupContainer
  getTooltipContainer?: (triggerNode: Element) => HTMLElement;
  getPopupContainer?: (triggerNode: Element) => HTMLElement;
  children?: React.ReactNode;
}

export type RenderFunction = () => React.ReactNode;

export interface TooltipProps extends AbstractTooltipProps {
  title?: React.ReactNode | RenderFunction;
  overlay?: React.ReactNode | RenderFunction;
}

const splitObject = (obj: any, keys: string[]) => {
  const picked: any = {};
  const omited: any = { ...obj };
  keys.forEach(key => {
    if (obj && key in obj) {
      picked[key] = obj[key];
      delete omited[key];
    }
  });
  return { picked, omited };
};

export default class Tooltip extends React.Component<TooltipProps, any> {
  static defaultProps = {
    prefixCls: 'ant-tooltip',
    placement: 'top' as TooltipPlacement,
    transitionName: 'zoom-big-fast',
    mouseEnterDelay: 0.1,
    mouseLeaveDelay: 0.1,
    arrowPointAtCenter: false,
    autoAdjustOverflow: true,
  };

  private tooltip: typeof RcTooltip;

  constructor(props: TooltipProps) {
    super(props);

    this.state = {
      visible: !!props.visible || !!props.defaultVisible,
    };
  }

  componentWillReceiveProps(nextProps: TooltipProps) {
    if ('visible' in nextProps) {
      this.setState({ visible: nextProps.visible });
    }
  }

  onVisibleChange = (visible: boolean) => {
    const { onVisibleChange } = this.props;
    if (!('visible' in this.props)) {
      this.setState({ visible: this.isNoTitle() ? false : visible });
    }
    if (onVisibleChange && !this.isNoTitle()) {
      onVisibleChange(visible);
    }
  }

  getPopupDomNode() {