逐步完成前后端服务器

frontend/node_modules/echarts/lib/chart/helper/createSeriesData.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 SeriesData from '../../data/SeriesData.js';
+import prepareSeriesDataSchema from '../../data/helper/createDimensions.js';
+import { getDimensionTypeByAxis } from '../../data/helper/dimensionHelper.js';
+import { getDataItemValue } from '../../util/model.js';
+import CoordinateSystem from '../../core/CoordinateSystem.js';
+import { getCoordSysInfoBySeries } from '../../model/referHelper.js';
+import { createSourceFromSeriesDataOption } from '../../data/Source.js';
+import { enableDataStack } from '../../data/helper/dataStackHelper.js';
+import { makeSeriesEncodeForAxisCoordSys } from '../../data/helper/sourceHelper.js';
+import { SOURCE_FORMAT_ORIGINAL } from '../../util/types.js';
+function getCoordSysDimDefs(seriesModel, coordSysInfo) {
+  var coordSysName = seriesModel.get('coordinateSystem');
+  var registeredCoordSys = CoordinateSystem.get(coordSysName);
+  var coordSysDimDefs;
+  if (coordSysInfo && coordSysInfo.coordSysDims) {
+    coordSysDimDefs = zrUtil.map(coordSysInfo.coordSysDims, function (dim) {
+      var dimInfo = {
+        name: dim
+      };
+      var axisModel = coordSysInfo.axisMap.get(dim);
+      if (axisModel) {
+        var axisType = axisModel.get('type');
+        dimInfo.type = getDimensionTypeByAxis(axisType);
+      }
+      return dimInfo;
+    });
+  }
+  if (!coordSysDimDefs) {
+    // Get dimensions from registered coordinate system
+    coordSysDimDefs = registeredCoordSys && (registeredCoordSys.getDimensionsInfo ? registeredCoordSys.getDimensionsInfo() : registeredCoordSys.dimensions.slice()) || ['x', 'y'];
+  }
+  return coordSysDimDefs;
+}
+function injectOrdinalMeta(dimInfoList, createInvertedIndices, coordSysInfo) {
+  var firstCategoryDimIndex;
+  var hasNameEncode;
+  coordSysInfo && zrUtil.each(dimInfoList, function (dimInfo, dimIndex) {
+    var coordDim = dimInfo.coordDim;
+    var categoryAxisModel = coordSysInfo.categoryAxisMap.get(coordDim);
+    if (categoryAxisModel) {
+      if (firstCategoryDimIndex == null) {
+        firstCategoryDimIndex = dimIndex;
+      }
+      dimInfo.ordinalMeta = categoryAxisModel.getOrdinalMeta();
+      if (createInvertedIndices) {
+        dimInfo.createInvertedIndices = true;
+      }
+    }
+    if (dimInfo.otherDims.itemName != null) {
+      hasNameEncode = true;
+    }
+  });
+  if (!hasNameEncode && firstCategoryDimIndex != null) {
+    dimInfoList[firstCategoryDimIndex].otherDims.itemName = 0;
+  }
+  return firstCategoryDimIndex;
+}
+/**
+ * Caution: there are side effects to `sourceManager` in this method.
+ * Should better only be called in `Series['getInitialData']`.
+ */
+function createSeriesData(sourceRaw, seriesModel, opt) {
+  opt = opt || {};
+  var sourceManager = seriesModel.getSourceManager();
+  var source;
+  var isOriginalSource = false;
+  if (sourceRaw) {
+    isOriginalSource = true;
+    source = createSourceFromSeriesDataOption(sourceRaw);
+  } else {
+    source = sourceManager.getSource();
+    // Is series.data. not dataset.
+    isOriginalSource = source.sourceFormat === SOURCE_FORMAT_ORIGINAL;
+  }
+  var coordSysInfo = getCoordSysInfoBySeries(seriesModel);
+  var coordSysDimDefs = getCoordSysDimDefs(seriesModel, coordSysInfo);
+  var useEncodeDefaulter = opt.useEncodeDefaulter;
+  var encodeDefaulter = zrUtil.isFunction(useEncodeDefaulter) ? useEncodeDefaulter : useEncodeDefaulter ? zrUtil.curry(makeSeriesEncodeForAxisCoordSys, coordSysDimDefs, seriesModel) : null;
+  var createDimensionOptions = {
+    coordDimensions: coordSysDimDefs,
+    generateCoord: opt.generateCoord,
+    encodeDefine: seriesModel.getEncode(),
+    encodeDefaulter: encodeDefaulter,
+    canOmitUnusedDimensions: !isOriginalSource
+  };
+  var schema = prepareSeriesDataSchema(source, createDimensionOptions);
+  var firstCategoryDimIndex = injectOrdinalMeta(schema.dimensions, opt.createInvertedIndices, coordSysInfo);
+  var store = !isOriginalSource ? sourceManager.getSharedDataStore(schema) : null;
+  var stackCalculationInfo = enableDataStack(seriesModel, {
+    schema: schema,
+    store: store
+  });
+  var data = new SeriesData(schema, seriesModel);
+  data.setCalculationInfo(stackCalculationInfo);
+  var dimValueGetter = firstCategoryDimIndex != null && isNeedCompleteOrdinalData(source) ? function (itemOpt, dimName, dataIndex, dimIndex) {
+    // Use dataIndex as ordinal value in categoryAxis
+    return dimIndex === firstCategoryDimIndex ? dataIndex : this.defaultDimValueGetter(itemOpt, dimName, dataIndex, dimIndex);
+  } : null;
+  data.hasItemOption = false;
+  data.initData(
+  // Try to reuse the data store in sourceManager if using dataset.
+  isOriginalSource ? source : store, null, dimValueGetter);
+  return data;
+}
+function isNeedCompleteOrdinalData(source) {
+  if (source.sourceFormat === SOURCE_FORMAT_ORIGINAL) {
+    var sampleItem = firstDataNotNull(source.data || []);
+    return !zrUtil.isArray(getDataItemValue(sampleItem));
+  }
+}
+function firstDataNotNull(arr) {
+  var i = 0;
+  while (i < arr.length && arr[i] == null) {
+    i++;
+  }
+  return arr[i];
+}
+export default createSeriesData;