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frontend/node_modules/echarts/lib/chart/line/LineSeries.js

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+
+/*
+* 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.
+ */
+
+/*
+* 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.
+*/
+import { __extends } from "tslib";
+import createSeriesData from '../helper/createSeriesData.js';
+import SeriesModel from '../../model/Series.js';
+import { createSymbol } from '../../util/symbol.js';
+import { Group } from '../../util/graphic.js';
+var LineSeriesModel = /** @class */function (_super) {
+  __extends(LineSeriesModel, _super);
+  function LineSeriesModel() {
+    var _this = _super !== null && _super.apply(this, arguments) || this;
+    _this.type = LineSeriesModel.type;
+    _this.hasSymbolVisual = true;
+    return _this;
+  }
+  LineSeriesModel.prototype.getInitialData = function (option) {
+    if (process.env.NODE_ENV !== 'production') {
+      var coordSys = option.coordinateSystem;
+      if (coordSys !== 'polar' && coordSys !== 'cartesian2d') {
+        throw new Error('Line not support coordinateSystem besides cartesian and polar');
+      }
+    }
+    return createSeriesData(null, this, {
+      useEncodeDefaulter: true
+    });
+  };
+  LineSeriesModel.prototype.getLegendIcon = function (opt) {
+    var group = new Group();
+    var line = createSymbol('line', 0, opt.itemHeight / 2, opt.itemWidth, 0, opt.lineStyle.stroke, false);
+    group.add(line);
+    line.setStyle(opt.lineStyle);
+    var visualType = this.getData().getVisual('symbol');
+    var visualRotate = this.getData().getVisual('symbolRotate');
+    var symbolType = visualType === 'none' ? 'circle' : visualType;
+    // Symbol size is 80% when there is a line
+    var size = opt.itemHeight * 0.8;
+    var symbol = createSymbol(symbolType, (opt.itemWidth - size) / 2, (opt.itemHeight - size) / 2, size, size, opt.itemStyle.fill);
+    group.add(symbol);
+    symbol.setStyle(opt.itemStyle);
+    var symbolRotate = opt.iconRotate === 'inherit' ? visualRotate : opt.iconRotate || 0;
+    symbol.rotation = symbolRotate * Math.PI / 180;
+    symbol.setOrigin([opt.itemWidth / 2, opt.itemHeight / 2]);
+    if (symbolType.indexOf('empty') > -1) {
+      symbol.style.stroke = symbol.style.fill;
+      symbol.style.fill = '#fff';
+      symbol.style.lineWidth = 2;
+    }
+    return group;
+  };
+  LineSeriesModel.type = 'series.line';
+  LineSeriesModel.dependencies = ['grid', 'polar'];
+  LineSeriesModel.defaultOption = {
+    // zlevel: 0,
+    z: 3,
+    coordinateSystem: 'cartesian2d',
+    legendHoverLink: true,
+    clip: true,
+    label: {
+      position: 'top'
+    },
+    // itemStyle: {
+    // },
+    endLabel: {
+      show: false,
+      valueAnimation: true,
+      distance: 8
+    },
+    lineStyle: {
+      width: 2,
+      type: 'solid'
+    },
+    emphasis: {
+      scale: true
+    },
+    // areaStyle: {
+    // origin of areaStyle. Valid values:
+    // `'auto'/null/undefined`: from axisLine to data
+    // `'start'`: from min to data
+    // `'end'`: from data to max
+    // origin: 'auto'
+    // },
+    // false, 'start', 'end', 'middle'
+    step: false,
+    // Disabled if step is true
+    smooth: false,
+    smoothMonotone: null,
+    symbol: 'emptyCircle',
+    symbolSize: 4,
+    symbolRotate: null,
+    showSymbol: true,
+    // `false`: follow the label interval strategy.
+    // `true`: show all symbols.
+    // `'auto'`: If possible, show all symbols, otherwise
+    //           follow the label interval strategy.
+    showAllSymbol: 'auto',
+    // Whether to connect break point.
+    connectNulls: false,
+    // Sampling for large data. Can be: 'average', 'max', 'min', 'sum', 'lttb'.
+    sampling: 'none',
+    animationEasing: 'linear',
+    // Disable progressive
+    progressive: 0,
+    hoverLayerThreshold: Infinity,
+    universalTransition: {
+      divideShape: 'clone'
+    },
+    triggerLineEvent: false
+  };
+  return LineSeriesModel;
+}(SeriesModel);
+export default LineSeriesModel;

frontend/node_modules/echarts/lib/chart/line/helper.js

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+
+/*
+* 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.
+ */
+
+/*
+* 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.
+*/
+import { isDimensionStacked } from '../../data/helper/dataStackHelper.js';
+import { isNumber, map } from 'zrender/lib/core/util.js';
+export function prepareDataCoordInfo(coordSys, data, valueOrigin) {
+  var baseAxis = coordSys.getBaseAxis();
+  var valueAxis = coordSys.getOtherAxis(baseAxis);
+  var valueStart = getValueStart(valueAxis, valueOrigin);
+  var baseAxisDim = baseAxis.dim;
+  var valueAxisDim = valueAxis.dim;
+  var valueDim = data.mapDimension(valueAxisDim);
+  var baseDim = data.mapDimension(baseAxisDim);
+  var baseDataOffset = valueAxisDim === 'x' || valueAxisDim === 'radius' ? 1 : 0;
+  var dims = map(coordSys.dimensions, function (coordDim) {
+    return data.mapDimension(coordDim);
+  });
+  var stacked = false;
+  var stackResultDim = data.getCalculationInfo('stackResultDimension');
+  if (isDimensionStacked(data, dims[0] /* , dims[1] */)) {
+    // jshint ignore:line
+    stacked = true;
+    dims[0] = stackResultDim;
+  }
+  if (isDimensionStacked(data, dims[1] /* , dims[0] */)) {
+    // jshint ignore:line
+    stacked = true;
+    dims[1] = stackResultDim;
+  }
+  return {
+    dataDimsForPoint: dims,
+    valueStart: valueStart,
+    valueAxisDim: valueAxisDim,
+    baseAxisDim: baseAxisDim,
+    stacked: !!stacked,
+    valueDim: valueDim,
+    baseDim: baseDim,
+    baseDataOffset: baseDataOffset,
+    stackedOverDimension: data.getCalculationInfo('stackedOverDimension')
+  };
+}
+function getValueStart(valueAxis, valueOrigin) {
+  var valueStart = 0;
+  var extent = valueAxis.scale.getExtent();
+  if (valueOrigin === 'start') {
+    valueStart = extent[0];
+  } else if (valueOrigin === 'end') {
+    valueStart = extent[1];
+  }
+  // If origin is specified as a number, use it as
+  // valueStart directly
+  else if (isNumber(valueOrigin) && !isNaN(valueOrigin)) {
+    valueStart = valueOrigin;
+  }
+  // auto
+  else {
+    // Both positive
+    if (extent[0] > 0) {
+      valueStart = extent[0];
+    }
+    // Both negative
+    else if (extent[1] < 0) {
+      valueStart = extent[1];
+    }
+    // If is one positive, and one negative, onZero shall be true
+  }
+  return valueStart;
+}
+export function getStackedOnPoint(dataCoordInfo, coordSys, data, idx) {
+  var value = NaN;
+  if (dataCoordInfo.stacked) {
+    value = data.get(data.getCalculationInfo('stackedOverDimension'), idx);
+  }
+  if (isNaN(value)) {
+    value = dataCoordInfo.valueStart;
+  }
+  var baseDataOffset = dataCoordInfo.baseDataOffset;
+  var stackedData = [];
+  stackedData[baseDataOffset] = data.get(dataCoordInfo.baseDim, idx);
+  stackedData[1 - baseDataOffset] = value;
+  return coordSys.dataToPoint(stackedData);
+}

frontend/node_modules/echarts/lib/chart/line/install.js

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+
+/*
+* 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.
+ */
+
+/*
+* 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.
+*/
+import LineSeries from './LineSeries.js';
+import LineView from './LineView.js';
+// In case developer forget to include grid component
+import layoutPoints from '../../layout/points.js';
+import dataSample from '../../processor/dataSample.js';
+export function install(registers) {
+  registers.registerChartView(LineView);
+  registers.registerSeriesModel(LineSeries);
+  registers.registerLayout(layoutPoints('line', true));
+  registers.registerVisual({
+    seriesType: 'line',
+    reset: function (seriesModel) {
+      var data = seriesModel.getData();
+      // Visual coding for legend
+      var lineStyle = seriesModel.getModel('lineStyle').getLineStyle();
+      if (lineStyle && !lineStyle.stroke) {
+        // Fill in visual should be palette color if
+        // has color callback
+        lineStyle.stroke = data.getVisual('style').fill;
+      }
+      data.setVisual('legendLineStyle', lineStyle);
+    }
+  });
+  // Down sample after filter
+  registers.registerProcessor(registers.PRIORITY.PROCESSOR.STATISTIC, dataSample('line'));
+}

frontend/node_modules/echarts/lib/chart/line/lineAnimationDiff.js

@@ -0,0 +1,165 @@
+
+/*
+* 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.
+ */
+
+/*
+* 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.
+*/
+import { prepareDataCoordInfo, getStackedOnPoint } from './helper.js';
+import { createFloat32Array } from '../../util/vendor.js';
+function diffData(oldData, newData) {
+  var diffResult = [];
+  newData.diff(oldData).add(function (idx) {
+    diffResult.push({
+      cmd: '+',
+      idx: idx
+    });
+  }).update(function (newIdx, oldIdx) {
+    diffResult.push({
+      cmd: '=',
+      idx: oldIdx,
+      idx1: newIdx
+    });
+  }).remove(function (idx) {
+    diffResult.push({
+      cmd: '-',
+      idx: idx
+    });
+  }).execute();
+  return diffResult;
+}
+export default function lineAnimationDiff(oldData, newData, oldStackedOnPoints, newStackedOnPoints, oldCoordSys, newCoordSys, oldValueOrigin, newValueOrigin) {
+  var diff = diffData(oldData, newData);
+  // let newIdList = newData.mapArray(newData.getId);
+  // let oldIdList = oldData.mapArray(oldData.getId);
+  // convertToIntId(newIdList, oldIdList);
+  // // FIXME One data ?
+  // diff = arrayDiff(oldIdList, newIdList);
+  var currPoints = [];
+  var nextPoints = [];
+  // Points for stacking base line
+  var currStackedPoints = [];
+  var nextStackedPoints = [];
+  var status = [];
+  var sortedIndices = [];
+  var rawIndices = [];
+  var newDataOldCoordInfo = prepareDataCoordInfo(oldCoordSys, newData, oldValueOrigin);
+  // const oldDataNewCoordInfo = prepareDataCoordInfo(newCoordSys, oldData, newValueOrigin);
+  var oldPoints = oldData.getLayout('points') || [];
+  var newPoints = newData.getLayout('points') || [];
+  for (var i = 0; i < diff.length; i++) {
+    var diffItem = diff[i];
+    var pointAdded = true;
+    var oldIdx2 = void 0;
+    var newIdx2 = void 0;
+    // FIXME, animation is not so perfect when dataZoom window moves fast
+    // Which is in case remvoing or add more than one data in the tail or head
+    switch (diffItem.cmd) {
+      case '=':
+        oldIdx2 = diffItem.idx * 2;
+        newIdx2 = diffItem.idx1 * 2;
+        var currentX = oldPoints[oldIdx2];
+        var currentY = oldPoints[oldIdx2 + 1];
+        var nextX = newPoints[newIdx2];
+        var nextY = newPoints[newIdx2 + 1];
+        // If previous data is NaN, use next point directly
+        if (isNaN(currentX) || isNaN(currentY)) {
+          currentX = nextX;
+          currentY = nextY;
+        }
+        currPoints.push(currentX, currentY);
+        nextPoints.push(nextX, nextY);
+        currStackedPoints.push(oldStackedOnPoints[oldIdx2], oldStackedOnPoints[oldIdx2 + 1]);
+        nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);
+        rawIndices.push(newData.getRawIndex(diffItem.idx1));
+        break;
+      case '+':
+        var newIdx = diffItem.idx;
+        var newDataDimsForPoint = newDataOldCoordInfo.dataDimsForPoint;
+        var oldPt = oldCoordSys.dataToPoint([newData.get(newDataDimsForPoint[0], newIdx), newData.get(newDataDimsForPoint[1], newIdx)]);
+        newIdx2 = newIdx * 2;
+        currPoints.push(oldPt[0], oldPt[1]);
+        nextPoints.push(newPoints[newIdx2], newPoints[newIdx2 + 1]);
+        var stackedOnPoint = getStackedOnPoint(newDataOldCoordInfo, oldCoordSys, newData, newIdx);
+        currStackedPoints.push(stackedOnPoint[0], stackedOnPoint[1]);
+        nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);
+        rawIndices.push(newData.getRawIndex(newIdx));
+        break;
+      case '-':
+        pointAdded = false;
+    }
+    // Original indices
+    if (pointAdded) {
+      status.push(diffItem);
+      sortedIndices.push(sortedIndices.length);
+    }
+  }
+  // Diff result may be crossed if all items are changed
+  // Sort by data index
+  sortedIndices.sort(function (a, b) {
+    return rawIndices[a] - rawIndices[b];
+  });
+  var len = currPoints.length;
+  var sortedCurrPoints = createFloat32Array(len);
+  var sortedNextPoints = createFloat32Array(len);
+  var sortedCurrStackedPoints = createFloat32Array(len);
+  var sortedNextStackedPoints = createFloat32Array(len);
+  var sortedStatus = [];
+  for (var i = 0; i < sortedIndices.length; i++) {
+    var idx = sortedIndices[i];
+    var i2 = i * 2;
+    var idx2 = idx * 2;
+    sortedCurrPoints[i2] = currPoints[idx2];
+    sortedCurrPoints[i2 + 1] = currPoints[idx2 + 1];
+    sortedNextPoints[i2] = nextPoints[idx2];
+    sortedNextPoints[i2 + 1] = nextPoints[idx2 + 1];
+    sortedCurrStackedPoints[i2] = currStackedPoints[idx2];
+    sortedCurrStackedPoints[i2 + 1] = currStackedPoints[idx2 + 1];
+    sortedNextStackedPoints[i2] = nextStackedPoints[idx2];
+    sortedNextStackedPoints[i2 + 1] = nextStackedPoints[idx2 + 1];
+    sortedStatus[i] = status[idx];
+  }
+  return {
+    current: sortedCurrPoints,
+    next: sortedNextPoints,
+    stackedOnCurrent: sortedCurrStackedPoints,
+    stackedOnNext: sortedNextStackedPoints,
+    status: sortedStatus
+  };
+}

frontend/node_modules/echarts/lib/chart/line/poly.js

@@ -0,0 +1,353 @@
+
+/*
+* 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.
+ */
+
+/*
+* 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.
+*/
+import { __extends } from "tslib";
+// Poly path support NaN point
+import Path from 'zrender/lib/graphic/Path.js';
+import PathProxy from 'zrender/lib/core/PathProxy.js';
+import { cubicRootAt, cubicAt } from 'zrender/lib/core/curve.js';
+var mathMin = Math.min;
+var mathMax = Math.max;
+function isPointNull(x, y) {
+  return isNaN(x) || isNaN(y);
+}
+/**
+ * Draw smoothed line in non-monotone, in may cause undesired curve in extreme
+ * situations. This should be used when points are non-monotone neither in x or
+ * y dimension.
+ */
+function drawSegment(ctx, points, start, segLen, allLen, dir, smooth, smoothMonotone, connectNulls) {
+  var prevX;
+  var prevY;
+  var cpx0;
+  var cpy0;
+  var cpx1;
+  var cpy1;
+  var idx = start;
+  var k = 0;
+  for (; k < segLen; k++) {
+    var x = points[idx * 2];
+    var y = points[idx * 2 + 1];
+    if (idx >= allLen || idx < 0) {
+      break;
+    }
+    if (isPointNull(x, y)) {
+      if (connectNulls) {
+        idx += dir;
+        continue;
+      }
+      break;
+    }
+    if (idx === start) {
+      ctx[dir > 0 ? 'moveTo' : 'lineTo'](x, y);
+      cpx0 = x;
+      cpy0 = y;
+    } else {
+      var dx = x - prevX;
+      var dy = y - prevY;
+      // Ignore tiny segment.
+      if (dx * dx + dy * dy < 0.5) {
+        idx += dir;
+        continue;
+      }
+      if (smooth > 0) {
+        var nextIdx = idx + dir;
+        var nextX = points[nextIdx * 2];
+        var nextY = points[nextIdx * 2 + 1];
+        // Ignore duplicate point
+        while (nextX === x && nextY === y && k < segLen) {
+          k++;
+          nextIdx += dir;
+          idx += dir;
+          nextX = points[nextIdx * 2];
+          nextY = points[nextIdx * 2 + 1];
+          x = points[idx * 2];
+          y = points[idx * 2 + 1];
+          dx = x - prevX;
+          dy = y - prevY;
+        }
+        var tmpK = k + 1;
+        if (connectNulls) {
+          // Find next point not null
+          while (isPointNull(nextX, nextY) && tmpK < segLen) {
+            tmpK++;
+            nextIdx += dir;
+            nextX = points[nextIdx * 2];
+            nextY = points[nextIdx * 2 + 1];
+          }
+        }
+        var ratioNextSeg = 0.5;
+        var vx = 0;
+        var vy = 0;
+        var nextCpx0 = void 0;
+        var nextCpy0 = void 0;
+        // Is last point
+        if (tmpK >= segLen || isPointNull(nextX, nextY)) {
+          cpx1 = x;
+          cpy1 = y;
+        } else {
+          vx = nextX - prevX;
+          vy = nextY - prevY;
+          var dx0 = x - prevX;
+          var dx1 = nextX - x;
+          var dy0 = y - prevY;
+          var dy1 = nextY - y;
+          var lenPrevSeg = void 0;
+          var lenNextSeg = void 0;
+          if (smoothMonotone === 'x') {
+            lenPrevSeg = Math.abs(dx0);
+            lenNextSeg = Math.abs(dx1);
+            var dir_1 = vx > 0 ? 1 : -1;
+            cpx1 = x - dir_1 * lenPrevSeg * smooth;
+            cpy1 = y;
+            nextCpx0 = x + dir_1 * lenNextSeg * smooth;
+            nextCpy0 = y;
+          } else if (smoothMonotone === 'y') {
+            lenPrevSeg = Math.abs(dy0);
+            lenNextSeg = Math.abs(dy1);
+            var dir_2 = vy > 0 ? 1 : -1;
+            cpx1 = x;
+            cpy1 = y - dir_2 * lenPrevSeg * smooth;
+            nextCpx0 = x;
+            nextCpy0 = y + dir_2 * lenNextSeg * smooth;
+          } else {
+            lenPrevSeg = Math.sqrt(dx0 * dx0 + dy0 * dy0);
+            lenNextSeg = Math.sqrt(dx1 * dx1 + dy1 * dy1);
+            // Use ratio of seg length
+            ratioNextSeg = lenNextSeg / (lenNextSeg + lenPrevSeg);
+            cpx1 = x - vx * smooth * (1 - ratioNextSeg);
+            cpy1 = y - vy * smooth * (1 - ratioNextSeg);
+            // cp0 of next segment
+            nextCpx0 = x + vx * smooth * ratioNextSeg;
+            nextCpy0 = y + vy * smooth * ratioNextSeg;
+            // Smooth constraint between point and next point.
+            // Avoid exceeding extreme after smoothing.
+            nextCpx0 = mathMin(nextCpx0, mathMax(nextX, x));
+            nextCpy0 = mathMin(nextCpy0, mathMax(nextY, y));
+            nextCpx0 = mathMax(nextCpx0, mathMin(nextX, x));
+            nextCpy0 = mathMax(nextCpy0, mathMin(nextY, y));
+            // Reclaculate cp1 based on the adjusted cp0 of next seg.
+            vx = nextCpx0 - x;
+            vy = nextCpy0 - y;
+            cpx1 = x - vx * lenPrevSeg / lenNextSeg;
+            cpy1 = y - vy * lenPrevSeg / lenNextSeg;
+            // Smooth constraint between point and prev point.
+            // Avoid exceeding extreme after smoothing.
+            cpx1 = mathMin(cpx1, mathMax(prevX, x));
+            cpy1 = mathMin(cpy1, mathMax(prevY, y));
+            cpx1 = mathMax(cpx1, mathMin(prevX, x));
+            cpy1 = mathMax(cpy1, mathMin(prevY, y));
+            // Adjust next cp0 again.
+            vx = x - cpx1;
+            vy = y - cpy1;
+            nextCpx0 = x + vx * lenNextSeg / lenPrevSeg;
+            nextCpy0 = y + vy * lenNextSeg / lenPrevSeg;
+          }
+        }
+        ctx.bezierCurveTo(cpx0, cpy0, cpx1, cpy1, x, y);
+        cpx0 = nextCpx0;
+        cpy0 = nextCpy0;
+      } else {
+        ctx.lineTo(x, y);
+      }
+    }
+    prevX = x;
+    prevY = y;
+    idx += dir;
+  }
+  return k;
+}
+var ECPolylineShape = /** @class */function () {
+  function ECPolylineShape() {
+    this.smooth = 0;
+    this.smoothConstraint = true;
+  }
+  return ECPolylineShape;
+}();
+var ECPolyline = /** @class */function (_super) {
+  __extends(ECPolyline, _super);
+  function ECPolyline(opts) {
+    var _this = _super.call(this, opts) || this;
+    _this.type = 'ec-polyline';
+    return _this;
+  }
+  ECPolyline.prototype.getDefaultStyle = function () {
+    return {
+      stroke: '#000',
+      fill: null
+    };
+  };
+  ECPolyline.prototype.getDefaultShape = function () {
+    return new ECPolylineShape();
+  };
+  ECPolyline.prototype.buildPath = function (ctx, shape) {
+    var points = shape.points;
+    var i = 0;
+    var len = points.length / 2;
+    // const result = getBoundingBox(points, shape.smoothConstraint);
+    if (shape.connectNulls) {
+      // Must remove first and last null values avoid draw error in polygon
+      for (; len > 0; len--) {
+        if (!isPointNull(points[len * 2 - 2], points[len * 2 - 1])) {
+          break;
+        }
+      }
+      for (; i < len; i++) {
+        if (!isPointNull(points[i * 2], points[i * 2 + 1])) {
+          break;
+        }
+      }
+    }
+    while (i < len) {
+      i += drawSegment(ctx, points, i, len, len, 1, shape.smooth, shape.smoothMonotone, shape.connectNulls) + 1;
+    }
+  };
+  ECPolyline.prototype.getPointOn = function (xOrY, dim) {
+    if (!this.path) {
+      this.createPathProxy();
+      this.buildPath(this.path, this.shape);
+    }
+    var path = this.path;
+    var data = path.data;
+    var CMD = PathProxy.CMD;
+    var x0;
+    var y0;
+    var isDimX = dim === 'x';
+    var roots = [];
+    for (var i = 0; i < data.length;) {
+      var cmd = data[i++];
+      var x = void 0;
+      var y = void 0;
+      var x2 = void 0;
+      var y2 = void 0;
+      var x3 = void 0;
+      var y3 = void 0;
+      var t = void 0;
+      switch (cmd) {
+        case CMD.M:
+          x0 = data[i++];
+          y0 = data[i++];
+          break;
+        case CMD.L:
+          x = data[i++];
+          y = data[i++];
+          t = isDimX ? (xOrY - x0) / (x - x0) : (xOrY - y0) / (y - y0);
+          if (t <= 1 && t >= 0) {
+            var val = isDimX ? (y - y0) * t + y0 : (x - x0) * t + x0;
+            return isDimX ? [xOrY, val] : [val, xOrY];
+          }
+          x0 = x;
+          y0 = y;
+          break;
+        case CMD.C:
+          x = data[i++];
+          y = data[i++];
+          x2 = data[i++];
+          y2 = data[i++];
+          x3 = data[i++];
+          y3 = data[i++];
+          var nRoot = isDimX ? cubicRootAt(x0, x, x2, x3, xOrY, roots) : cubicRootAt(y0, y, y2, y3, xOrY, roots);
+          if (nRoot > 0) {
+            for (var i_1 = 0; i_1 < nRoot; i_1++) {
+              var t_1 = roots[i_1];
+              if (t_1 <= 1 && t_1 >= 0) {
+                var val = isDimX ? cubicAt(y0, y, y2, y3, t_1) : cubicAt(x0, x, x2, x3, t_1);
+                return isDimX ? [xOrY, val] : [val, xOrY];
+              }
+            }
+          }
+          x0 = x3;
+          y0 = y3;
+          break;
+      }
+    }
+  };
+  return ECPolyline;
+}(Path);
+export { ECPolyline };
+var ECPolygonShape = /** @class */function (_super) {
+  __extends(ECPolygonShape, _super);
+  function ECPolygonShape() {
+    return _super !== null && _super.apply(this, arguments) || this;
+  }
+  return ECPolygonShape;
+}(ECPolylineShape);
+var ECPolygon = /** @class */function (_super) {
+  __extends(ECPolygon, _super);
+  function ECPolygon(opts) {
+    var _this = _super.call(this, opts) || this;
+    _this.type = 'ec-polygon';
+    return _this;
+  }
+  ECPolygon.prototype.getDefaultShape = function () {
+    return new ECPolygonShape();
+  };
+  ECPolygon.prototype.buildPath = function (ctx, shape) {
+    var points = shape.points;
+    var stackedOnPoints = shape.stackedOnPoints;
+    var i = 0;
+    var len = points.length / 2;
+    var smoothMonotone = shape.smoothMonotone;
+    if (shape.connectNulls) {
+      // Must remove first and last null values avoid draw error in polygon
+      for (; len > 0; len--) {
+        if (!isPointNull(points[len * 2 - 2], points[len * 2 - 1])) {
+          break;
+        }
+      }
+      for (; i < len; i++) {
+        if (!isPointNull(points[i * 2], points[i * 2 + 1])) {
+          break;
+        }
+      }
+    }
+    while (i < len) {
+      var k = drawSegment(ctx, points, i, len, len, 1, shape.smooth, smoothMonotone, shape.connectNulls);
+      drawSegment(ctx, stackedOnPoints, i + k - 1, k, len, -1, shape.stackedOnSmooth, smoothMonotone, shape.connectNulls);
+      i += k + 1;
+      ctx.closePath();
+    }
+  };
+  return ECPolygon;
+}(Path);
+export { ECPolygon };