@txdfe/at/es/slider/slick/arrow.js

一个设计体系组件库

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
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function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import Icon from '../../icon';
import { obj, func } from '../../util';

/**
 * slider arrow
 * 左右控制箭头
 */

var noop = func.noop;
var Arrow = /*#__PURE__*/function (_Component) {
  function Arrow() {
    _classCallCheck(this, Arrow);
    return _callSuper(this, Arrow, arguments);
  }
  _inherits(Arrow, _Component);
  return _createClass(Arrow, [{
    key: "handleClick",
    value: function handleClick(options, e) {
      e && e.preventDefault();

      // TODO hack
      if (options.message === 'prev') {
        options.message = 'previous';
      }
      this.props.clickHandler(options, e);
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props = this.props,
        prefix = _this$props.prefix,
        type = _this$props.type,
        arrowSize = _this$props.arrowSize,
        arrowPosition = _this$props.arrowPosition,
        arrowDirection = _this$props.arrowDirection,
        onMouseEnter = _this$props.onMouseEnter,
        onMouseLeave = _this$props.onMouseLeave,
        children = _this$props.children;
      var others = obj.pickOthers(Arrow.propTypes, this.props);
      var iconType = Arrow.ARROW_ICON_TYPES[arrowDirection][type];
      var disabled = Arrow.isDisabled(this.props);
      var arrowClazz = classNames(["".concat(prefix, "slick-arrow"), "".concat(prefix, "slick-").concat(type), arrowPosition, arrowSize, arrowDirection], {
        disabled: disabled
      });
      var arrowProps = _objectSpread(_objectSpread({}, others), {}, {
        key: type,
        'data-role': 'none',
        className: arrowClazz,
        style: {
          display: 'block'
        },
        onClick: disabled ? null : this.handleClick.bind(this, {
          message: type
        }),
        onMouseEnter: disabled ? null : onMouseEnter,
        onMouseLeave: disabled ? null : onMouseLeave
      });
      if (children) {
        return /*#__PURE__*/React.cloneElement(React.Children.only(children), arrowProps);
      } else {
        return /*#__PURE__*/React.createElement("button", _extends({
          type: "button",
          role: "button"
        }, arrowProps), /*#__PURE__*/React.createElement(Icon, {
          type: iconType
        }));
      }
    }
  }], [{
    key: "isDisabled",
    value: function isDisabled(props) {
      var infinite = props.infinite,
        type = props.type,
        centerMode = props.centerMode,
        currentSlide = props.currentSlide,
        slideCount = props.slideCount,
        slidesToShow = props.slidesToShow;
      if (infinite) {
        return false;
      }

      // 下一个 index 大于总数？？
      if (slideCount <= slidesToShow) {
        return true;
      }

      // 向前箭头：当前是第 0 个
      if (type === 'prev') {
        return currentSlide <= 0;
      }
      if (centerMode && currentSlide >= slideCount - 1) {
        // 向后箭头：居中模式，当前 index 大于最大 index
        return true;
      } else if (currentSlide >= slideCount - slidesToShow) {
        // 向后箭头：普通模式，当前 index 大于 总数 - 下一个 index ？？？
        return true;
      }
      return false;
    }
  }]);
}(Component);
_defineProperty(Arrow, "propTypes", {
  prefix: PropTypes.string,
  rtl: PropTypes.bool,
  type: PropTypes.oneOf(['prev', 'next']).isRequired,
  centerMode: PropTypes.bool,
  currentSlide: PropTypes.number,
  infinite: PropTypes.bool,
  clickHandler: PropTypes.func,
  slideCount: PropTypes.number,
  slidesToShow: PropTypes.number,
  arrow: PropTypes.element,
  arrowSize: PropTypes.string,
  arrowPosition: PropTypes.string,
  arrowDirection: PropTypes.oneOf(['hoz', 'ver']),
  onMouseEnter: PropTypes.func,
  onMouseLeave: PropTypes.func,
  children: PropTypes.node
});
_defineProperty(Arrow, "defaultProps", {
  onMouseEnter: noop,
  onMouseLeave: noop
});
_defineProperty(Arrow, "ARROW_ICON_TYPES", {
  hoz: {
    prev: 'chevron-left',
    next: 'chevron-right'
  },
  ver: {
    prev: 'chevron-up',
    next: 'chevron-down'
  }
});
export { Arrow as default };