text: 
  /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */
  
  
  /**
   * AUTO-GENERATED FILE. DO NOT MODIFY.
   */
  
  import { __extends } from "tslib";
  import * as graphic from '../../util/graphic';
  import { enableHoverEmphasis } from '../../util/states';
  
  var Polyline = function (_super) {
    __extends(Polyline, _super);
  
    function Polyline(lineData, idx, seriesScope) {
      var _this = _super.call(this) || this;
  
      _this._createPolyline(lineData, idx, seriesScope);
  
      return _this;
    }
  
    Polyline.prototype._createPolyline = function (lineData, idx, seriesScope) {
      var points = lineData.getItemLayout(idx);
      var line = new graphic.Polyline({
        shape: {
          points: points
        }
      });
      this.add(line);
  
      this._updateCommonStl(lineData, idx, seriesScope);
    };
  
    ;
  
    Polyline.prototype.updateData = function (lineData, idx, seriesScope) {
      var seriesModel = lineData.hostModel;
      var line = this.childAt(0);
      var target = {
        shape: {
          points: lineData.getItemLayout(idx)
        }
      };
      graphic.updateProps(line, target, seriesModel, idx);
  
      this._updateCommonStl(lineData, idx, seriesScope);
    };
  
    ;
  
    Polyline.prototype._updateCommonStl = function (lineData, idx, seriesScope) {
      var line = this.childAt(0);
      var itemModel = lineData.getItemModel(idx);
      var hoverLineStyle = seriesScope && seriesScope.emphasisLineStyle;
  
      if (!seriesScope || lineData.hasItemOption) {
        hoverLineStyle = itemModel.getModel(['emphasis', 'lineStyle']).getLineStyle();
      }
  
      line.useStyle(lineData.getItemVisual(idx, 'style'));
      line.style.fill = null;
      line.style.strokeNoScale = true;
      var lineEmphasisState = line.ensureState('emphasis');
      lineEmphasisState.style = hoverLineStyle;
      enableHoverEmphasis(this);
    };
  
    ;
  
    Polyline.prototype.updateLayout = function (lineData, idx) {
      var polyline = this.childAt(0);
      polyline.setShape('points', lineData.getItemLayout(idx));
    };
  
    ;
    return Polyline;
  }(graphic.Group);
  
  export default Polyline;