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node_modules/echarts/lib/component/brush/preprocessor.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 { normalizeToArray } from '../../util/model.js';
+var DEFAULT_TOOLBOX_BTNS = ['rect', 'polygon', 'keep', 'clear'];
+export default function brushPreprocessor(option, isNew) {
+  var brushComponents = normalizeToArray(option ? option.brush : []);
+  if (!brushComponents.length) {
+    return;
+  }
+  var brushComponentSpecifiedBtns = [];
+  zrUtil.each(brushComponents, function (brushOpt) {
+    var tbs = brushOpt.hasOwnProperty('toolbox') ? brushOpt.toolbox : [];
+    if (tbs instanceof Array) {
+      brushComponentSpecifiedBtns = brushComponentSpecifiedBtns.concat(tbs);
+    }
+  });
+  var toolbox = option && option.toolbox;
+  if (zrUtil.isArray(toolbox)) {
+    toolbox = toolbox[0];
+  }
+  if (!toolbox) {
+    toolbox = {
+      feature: {}
+    };
+    option.toolbox = [toolbox];
+  }
+  var toolboxFeature = toolbox.feature || (toolbox.feature = {});
+  var toolboxBrush = toolboxFeature.brush || (toolboxFeature.brush = {});
+  var brushTypes = toolboxBrush.type || (toolboxBrush.type = []);
+  brushTypes.push.apply(brushTypes, brushComponentSpecifiedBtns);
+  removeDuplicate(brushTypes);
+  if (isNew && !brushTypes.length) {
+    brushTypes.push.apply(brushTypes, DEFAULT_TOOLBOX_BTNS);
+  }
+}
+function removeDuplicate(arr) {
+  var map = {};
+  zrUtil.each(arr, function (val) {
+    map[val] = 1;
+  });
+  arr.length = 0;
+  zrUtil.each(map, function (flag, val) {
+    arr.push(val);
+  });
+}