@rc-component/trigger/lib/Popup/Arrow.js

base abstract trigger component for react

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = Arrow;
var _classnames = _interopRequireDefault(require("classnames"));
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function Arrow(props) {
  const {
    prefixCls,
    align,
    arrow,
    arrowPos
  } = props;
  const {
    className,
    content
  } = arrow || {};
  const {
    x = 0,
    y = 0
  } = arrowPos;
  const arrowRef = React.useRef();

  // Skip if no align
  if (!align || !align.points) {
    return null;
  }
  const alignStyle = {
    position: 'absolute'
  };

  // Skip if no need to align
  if (align.autoArrow !== false) {
    const popupPoints = align.points[0];
    const targetPoints = align.points[1];
    const popupTB = popupPoints[0];
    const popupLR = popupPoints[1];
    const targetTB = targetPoints[0];
    const targetLR = targetPoints[1];

    // Top & Bottom
    if (popupTB === targetTB || !['t', 'b'].includes(popupTB)) {
      alignStyle.top = y;
    } else if (popupTB === 't') {
      alignStyle.top = 0;
    } else {
      alignStyle.bottom = 0;
    }

    // Left & Right
    if (popupLR === targetLR || !['l', 'r'].includes(popupLR)) {
      alignStyle.left = x;
    } else if (popupLR === 'l') {
      alignStyle.left = 0;
    } else {
      alignStyle.right = 0;
    }
  }
  return /*#__PURE__*/React.createElement("div", {
    ref: arrowRef,
    className: (0, _classnames.default)(`${prefixCls}-arrow`, className),
    style: alignStyle
  }, content);
}