逐步完成前后端服务器

frontend/node_modules/echarts/lib/component/helper/interactionMutex.js

@@ -0,0 +1,77 @@
+
+/*
+* 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.
+*/
+// @ts-nocheck
+import * as echarts from '../../core/echarts.js';
+import { noop } from 'zrender/lib/core/util.js';
+var ATTR = '\0_ec_interaction_mutex';
+export function take(zr, resourceKey, userKey) {
+  var store = getStore(zr);
+  store[resourceKey] = userKey;
+}
+export function release(zr, resourceKey, userKey) {
+  var store = getStore(zr);
+  var uKey = store[resourceKey];
+  if (uKey === userKey) {
+    store[resourceKey] = null;
+  }
+}
+export function isTaken(zr, resourceKey) {
+  return !!getStore(zr)[resourceKey];
+}
+function getStore(zr) {
+  return zr[ATTR] || (zr[ATTR] = {});
+}
+/**
+ * payload: {
+ *     type: 'takeGlobalCursor',
+ *     key: 'dataZoomSelect', or 'brush', or ...,
+ *         If no userKey, release global cursor.
+ * }
+ */
+// TODO: SELF REGISTERED.
+echarts.registerAction({
+  type: 'takeGlobalCursor',
+  event: 'globalCursorTaken',
+  update: 'update'
+}, noop);