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

一个设计体系组件库

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

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) {
  _inherits(Arrow, _Component);

  var _super = _createSuper(Arrow);

  function Arrow() {
    _classCallCheck(this, Arrow);

    return _super.apply(this, arguments);
  }

  _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;
    }
  }]);

  return Arrow;
}(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 };