@aimake/nanod/lib/badge/ScrollNumber.js

## 设计模式 NANO DESIGN 是面向于企业级中台化应用的解决方案。服务于 ToB 和 ToE 类型的单页应用，应用于各产品中从而产出了一套设计及前端规范。

"use strict";

var _typeof3 = require("babel-runtime/helpers/typeof");

var _typeof4 = _interopRequireDefault2(_typeof3);

function _interopRequireDefault2(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var React = _interopRequireWildcard(require("react"));

var _omit = _interopRequireDefault(require("omit.js"));

var _classnames = _interopRequireDefault(require("classnames"));

var _configProvider = require("../config-provider");

function _interopRequireDefault(obj) {
  return obj && obj.__esModule ? obj : { "default": obj };
}

function _interopRequireWildcard(obj) {
  if (obj && obj.__esModule) {
    return obj;
  } else {
    var newObj = {};if (obj != null) {
      for (var key in obj) {
        if (Object.prototype.hasOwnProperty.call(obj, key)) {
          var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {};if (desc.get || desc.set) {
            Object.defineProperty(newObj, key, desc);
          } else {
            newObj[key] = obj[key];
          }
        }
      }
    }newObj["default"] = obj;return newObj;
  }
}

function _typeof(obj) {
  if (typeof Symbol === "function" && (0, _typeof4["default"])(Symbol.iterator) === "symbol") {
    _typeof = function _typeof(obj) {
      return typeof obj === "undefined" ? "undefined" : (0, _typeof4["default"])(obj);
    };
  } else {
    _typeof = function _typeof(obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : (0, _typeof4["default"])(obj);
    };
  }return _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 _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);return Constructor;
}

function _possibleConstructorReturn(self, call) {
  if (call && (_typeof(call) === "object" || typeof call === "function")) {
    return call;
  }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 _getPrototypeOf(o) {
  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
    return o.__proto__ || Object.getPrototypeOf(o);
  };return _getPrototypeOf(o);
}

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 } });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 getNumberArray(num) {
  return num ? num.toString().split('').reverse().map(function (i) {
    return Number(i);
  }) : [];
}

var ScrollNumber =
/*#__PURE__*/
function (_Component) {
  _inherits(ScrollNumber, _Component);

  function ScrollNumber(props) {
    var _this;

    _classCallCheck(this, ScrollNumber);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(ScrollNumber).call(this, props));

    _this.renderScrollNumber = function (_ref) {
      var getPrefixCls = _ref.getPrefixCls;
      var _this$props = _this.props,
          customizePrefixCls = _this$props.prefixCls,
          className = _this$props.className,
          style = _this$props.style,
          title = _this$props.title,
          _this$props$component = _this$props.component,
          component = _this$props$component === void 0 ? 'sup' : _this$props$component,
          displayComponent = _this$props.displayComponent; // fix https://fb.me/react-unknown-prop

      var restProps = (0, _omit["default"])(_this.props, ['count', 'onAnimated', 'component', 'prefixCls', 'displayComponent']);
      var prefixCls = getPrefixCls('scroll-number', customizePrefixCls);

      var newProps = _extends({}, restProps, {
        className: (0, _classnames["default"])(prefixCls, className),
        title: title
      }); // allow specify the border
      // mock border-color by box-shadow for compatible with old usage:
      // <Badge count={4} style={{ backgroundColor: '#fff', color: '#999', borderColor: '#d9d9d9' }} />


      if (style && style.borderColor) {
        newProps.style.boxShadow = "0 0 0 1px ".concat(style.borderColor, " inset");
      }

      if (displayComponent) {
        return React.cloneElement(displayComponent, {
          className: (0, _classnames["default"])("".concat(prefixCls, "-custom-component"), displayComponent.props && displayComponent.props.className)
        });
      }

      return (0, React.createElement)(component, newProps, _this.renderNumberElement(prefixCls));
    };

    _this.state = {
      animateStarted: true,
      count: props.count
    };
    return _this;
  }

  _createClass(ScrollNumber, [{
    key: "getPositionByNum",
    value: function getPositionByNum(num, i) {
      if (this.state.animateStarted) {
        return 10 + num;
      }

      var currentDigit = getNumberArray(this.state.count)[i];
      var lastDigit = getNumberArray(this.lastCount)[i]; // 同方向则在同一侧切换数字

      if (this.state.count > this.lastCount) {
        if (currentDigit >= lastDigit) {
          return 10 + num;
        }

        return 20 + num;
      }

      if (currentDigit <= lastDigit) {
        return 10 + num;
      }

      return num;
    }
  }, {
    key: "componentWillReceiveProps",
    value: function componentWillReceiveProps(nextProps) {
      var _this2 = this;

      if ('count' in nextProps) {
        if (this.state.count === nextProps.count) {
          return;
        }

        this.lastCount = this.state.count; // 复原数字初始位置

        this.setState({
          animateStarted: true
        }, function () {
          // 等待数字位置复原完毕
          // 开始设置完整的数字
          setTimeout(function () {
            _this2.setState({
              animateStarted: false,
              count: nextProps.count
            }, function () {
              var onAnimated = _this2.props.onAnimated;

              if (onAnimated) {
                onAnimated();
              }
            });
          }, 5);
        });
      }
    }
  }, {
    key: "renderNumberList",
    value: function renderNumberList(position) {
      var childrenToReturn = [];

      for (var i = 0; i < 30; i++) {
        var currentClassName = position === i ? 'current' : '';
        childrenToReturn.push(React.createElement("p", {
          key: i.toString(),
          className: currentClassName
        }, i % 10));
      }

      return childrenToReturn;
    }
  }, {
    key: "renderCurrentNumber",
    value: function renderCurrentNumber(prefixCls, num, i) {
      var position = this.getPositionByNum(num, i);
      var removeTransition = this.state.animateStarted || getNumberArray(this.lastCount)[i] === undefined;
      return (0, React.createElement)('span', {
        className: "".concat(prefixCls, "-only"),
        style: {
          transition: removeTransition ? 'none' : undefined,
          msTransform: "translateY(".concat(-position * 100, "%)"),
          WebkitTransform: "translateY(".concat(-position * 100, "%)"),
          transform: "translateY(".concat(-position * 100, "%)")
        },
        key: i
      }, this.renderNumberList(position));
    }
  }, {
    key: "renderNumberElement",
    value: function renderNumberElement(prefixCls) {
      var _this3 = this;

      var count = this.state.count;

      if (!count || isNaN(count)) {
        return count;
      }

      return getNumberArray(count).map(function (num, i) {
        return _this3.renderCurrentNumber(prefixCls, num, i);
      }).reverse();
    }
  }, {
    key: "render",
    value: function render() {
      return React.createElement(_configProvider.ConfigConsumer, null, this.renderScrollNumber);
    }
  }]);

  return ScrollNumber;
}(React.Component);

exports["default"] = ScrollNumber;
ScrollNumber.defaultProps = {
  count: null,
  onAnimated: function onAnimated() {}
};