chore(project): 添加项目配置文件和忽略规则

- 添加 Babel 配置文件支持 ES6+ 语法转换
- 添加 ESLint 忽略规则和配置文件
- 添加 Git 忽略规则文件
- 添加 Travis CI 配置文件
- 添加 1.4.2 版本变更日志文件
- 添加 Helm 图表辅助模板文件
- 添加 Helm 忽略规则文件

saga/seata-saga-statemachine-designer/ggeditor/components/ContextMenu/Menu.js

@@ -0,0 +1,30 @@
+import React from 'react';
+
+class Menu extends React.Component {
+  static create = function (type) {
+    return class TypedMenu extends Menu {
+      constructor(props) {
+        super(props, type);
+      }
+    };
+  }
+
+  constructor(props, type) {
+    super(props);
+
+    this.type = type;
+  }
+
+  render() {
+    const { children } = this.props;
+    const { type } = this;
+
+    return (
+      <div className="menu" data-status={`${type}-selected`}>
+        {children}
+      </div>
+    );
+  }
+}
+
+export default Menu;

saga/seata-saga-statemachine-designer/ggeditor/components/ContextMenu/index.js

@@ -0,0 +1,44 @@
+import React from 'react';
+import { pick } from '@utils';
+import Editor from '@components/Base/Editor';
+import { CONTEXT_MENU_CONTAINER } from '@common/constants';
+import withGGEditorContext from '@common/context/GGEditorContext/withGGEditorContext';
+import Menu from './Menu';
+
+class ContextMenu extends React.Component {
+  contextMenu = null;
+
+  get containerId() {
+    const { editor } = this.props;
+
+    return `${CONTEXT_MENU_CONTAINER}_${editor.id}`;
+  }
+
+  componentDidMount() {
+    const { editor } = this.props;
+
+    this.contextMenu = new Editor.Contextmenu({
+      container: this.containerId,
+    });
+
+    editor.add(this.contextMenu);
+  }
+
+  render() {
+    const { children } = this.props;
+
+    return (
+      <div id={this.containerId} {...pick(this.props, ['style', 'className'])}>
+        {children}
+      </div>
+    );
+  }
+}
+
+export const NodeMenu = Menu.create('node');
+export const EdgeMenu = Menu.create('edge');
+export const GroupMenu = Menu.create('group');
+export const MultiMenu = Menu.create('multi');
+export const CanvasMenu = Menu.create('canvas');
+
+export default withGGEditorContext(ContextMenu);