nsn-comp/es/comps/ellipsis/index.js

NSN核心组件

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

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; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = 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); 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 } }); 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; } 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 { Date.prototype.toString.call(Reflect.construct(Date, [], 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); }

import classNames from 'classnames';
import { NConst } from 'nsn-const';
import React, { Component } from 'react';
import styles from './index.less';
import { EllipsisText, EllipsisTooltip } from './_comp';
import { computeLine } from './_util';
var CLS_PREFIX = "".concat(NConst.CLS_PREFIX, "-ellipsis");
var isSupportLineClamp = document.body.style.webkitLineClamp !== undefined;

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

  var _super = _createSuper(Ellipsis);

  function Ellipsis() {
    var _this;

    _classCallCheck(this, Ellipsis);

    _this = _super.apply(this, arguments);
    _this.elements = {
      contentContainer: null,
      shadow: null,
      normal: null,
      content: null,
      toolTipChildren: null
    };
    _this.state = {
      text: NConst.EMPTY,
      targetCount: 0
    };

    _this.resize = function () {
      return computeLine(_assertThisInitialized(_this), _this.elements);
    };

    return _this;
  }

  _createClass(Ellipsis, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      var toolTipChildren = this.elements.toolTipChildren;

      if (toolTipChildren) {
        computeLine(this, this.elements);
      }

      window.addEventListener('resize', this.resize);
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      var lines = this.props.lines;

      if (lines !== prevProps.lines) {
        computeLine(this, this.elements);
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      window.removeEventListener('resize', this.resize);
    }
  }, {
    key: "render",
    value: function render() {
      var _classNames,
          _this2 = this;

      var _this$state = this.state,
          text = _this$state.text,
          targetCount = _this$state.targetCount;

      var _this$props = this.props,
          children = _this$props.children,
          lines = _this$props.lines,
          length = _this$props.length,
          className = _this$props.className,
          tooltip = _this$props.tooltip,
          fullWidthRecognition = _this$props.fullWidthRecognition,
          _this$props$tail = _this$props.tail,
          tail = _this$props$tail === void 0 ? '...' : _this$props$tail,
          restProps = _objectWithoutProperties(_this$props, ["children", "lines", "length", "className", "tooltip", "fullWidthRecognition", "tail"]);

      var cls = classNames(styles.ellipsis, className, (_classNames = {}, _defineProperty(_classNames, styles.lines, lines && !isSupportLineClamp), _defineProperty(_classNames, styles.lineClamp, lines && isSupportLineClamp), _classNames)); //

      if (!lines && !length) {
        return React.createElement("span", Object.assign({
          className: cls
        }, restProps), children);
      } // length


      if (!lines) {
        return React.createElement(EllipsisText, Object.assign({}, {
          tail: tail,
          length: length,
          tooltip: tooltip,
          fullWidthRecognition: fullWidthRecognition
        }, {
          text: "".concat(children || NConst.EMPTY),
          className: cls
        }, restProps));
      } //


      if (isSupportLineClamp) {
        var id = "".concat(CLS_PREFIX, "-", "".concat(new Date().getTime()).concat(Math.floor(Math.random() * 100)));
        return React.createElement(EllipsisTooltip, Object.assign({}, {
          tooltip: tooltip
        }, {
          title: children
        }), React.createElement("div", Object.assign({
          id: id,
          className: cls
        }, restProps), React.createElement("style", null, "#".concat(id, "{-webkit-line-clamp:").concat(lines, ";-webkit-box-orient: vertical;}")), children));
      }

      return React.createElement("div", Object.assign({}, restProps, {
        ref: function ref(_ref) {
          _this2.elements.contentContainer = _ref;
        },
        className: cls
      }), React.createElement("div", {
        ref: function ref(_ref2) {
          _this2.elements.content = _ref2;
        }
      }, React.createElement(EllipsisTooltip, Object.assign({}, {
        tooltip: tooltip
      }, {
        title: text
      }), React.createElement("span", {
        ref: function ref(_ref3) {
          _this2.elements.toolTipChildren = _ref3;
        }
      }, targetCount > 0 && text.substring(0, targetCount), targetCount > 0 && targetCount < text.length && tail)), React.createElement("div", {
        className: styles.shadow,
        ref: function ref(_ref4) {
          _this2.elements.normal = _ref4;
        }
      }, children), React.createElement("div", {
        className: styles.shadow,
        ref: function ref(_ref5) {
          _this2.elements.shadow = _ref5;
        }
      }, React.createElement("span", null, text))));
    }
  }]);

  return Ellipsis;
}(Component);

export { Ellipsis };