前端初始化

node_modules/echarts/lib/chart/map/mapDataStatistic.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 * as zrUtil from 'zrender/lib/core/util.js';
+import { buildAllMapSeriesGroups, getMainMapSeries, SERIES_TYPE_MAP } from './MapSeries.js';
+import { createSimpleOverallStageHandler } from '../../util/model.js';
+// FIXME 公用？
+function dataStatistics(datas, statisticType) {
+  var dataNameMap = {};
+  zrUtil.each(datas, function (data) {
+    data.each(data.mapDimension('value'), function (value, idx) {
+      // Add prefix to avoid conflict with Object.prototype.
+      var mapKey = 'ec-' + data.getName(idx);
+      dataNameMap[mapKey] = dataNameMap[mapKey] || [];
+      if (!isNaN(value)) {
+        dataNameMap[mapKey].push(value);
+      }
+    });
+  });
+  return datas[0].map(datas[0].mapDimension('value'), function (value, idx) {
+    var mapKey = 'ec-' + datas[0].getName(idx);
+    var sum = 0;
+    var min = Infinity;
+    var max = -Infinity;
+    var len = dataNameMap[mapKey].length;
+    for (var i = 0; i < len; i++) {
+      min = Math.min(min, dataNameMap[mapKey][i]);
+      max = Math.max(max, dataNameMap[mapKey][i]);
+      sum += dataNameMap[mapKey][i];
+    }
+    var result;
+    if (statisticType === 'min') {
+      result = min;
+    } else if (statisticType === 'max') {
+      result = max;
+    } else if (statisticType === 'average') {
+      result = sum / len;
+    } else {
+      result = sum;
+    }
+    return len === 0 ? NaN : result;
+  });
+}
+export var mapDataStatisticStageHandler = createSimpleOverallStageHandler(SERIES_TYPE_MAP, mapDataStatistic);
+function mapDataStatistic(ecModel) {
+  zrUtil.each(buildAllMapSeriesGroups(ecModel), function (seriesGroup) {
+    var mainSeries = getMainMapSeries(seriesGroup);
+    if (!mainSeries) {
+      return;
+    }
+    var data = dataStatistics(zrUtil.map(seriesGroup.f, function (seriesModel) {
+      return seriesModel.getData();
+    }),
+    // PENDING: It has long been using `seriesGroup[0]` here, but if the first map series
+    // is filtered out by legend, `seriesGroup[0]` is the second series in ec option, therefore,
+    // this definition is not reasonable enough for users.
+    mainSeries.get('mapValueCalculation'));
+    zrUtil.each(seriesGroup.f, function (series) {
+      series.seriesGroup = seriesGroup;
+      series.originalData = series.getData();
+      series.setData(data.cloneShallow());
+    });
+  });
+}