逐步完成前后端服务器

frontend/node_modules/echarts/ssr/client/lib/index.js

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+
+/**
+ * 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.
+*/
+export function hydrate(dom, options) {
+  var svgRoot = dom.querySelector('svg');
+  if (!svgRoot) {
+    console.error('No SVG element found in the DOM.');
+    return;
+  }
+  function getIndex(child, attr) {
+    var index = child.getAttribute(attr);
+    if (index) {
+      return parseInt(index, 10);
+    } else {
+      return undefined;
+    }
+  }
+  var listeners = options.on || {};
+  var _loop_1 = function (rawEvtName) {
+    if (!listeners.hasOwnProperty(rawEvtName)) {
+      return "continue";
+    }
+    var eventName = rawEvtName;
+    var listener = listeners[eventName];
+    if (!isFunction(listener)) {
+      return "continue";
+    }
+    svgRoot.addEventListener(eventName, function (event) {
+      var targetEl = event.target;
+      if (!targetEl || !isFunction(targetEl.getAttribute)) {
+        return;
+      }
+      var type = targetEl.getAttribute('ecmeta_ssr_type');
+      var silent = targetEl.getAttribute('ecmeta_silent') === 'true';
+      if (!type || silent) {
+        return;
+      }
+      listener({
+        type: eventName,
+        ssrType: type,
+        seriesIndex: getIndex(targetEl, 'ecmeta_series_index'),
+        dataIndex: getIndex(targetEl, 'ecmeta_data_index'),
+        event: event
+      });
+    });
+  };
+  for (var rawEvtName in listeners) {
+    _loop_1(rawEvtName);
+  }
+}
+function isFunction(value) {
+  return typeof value === 'function';
+}