init from https://github.com/Hufe921/canvas-editor

docs/en/guide/contextmenu-custom.md

@@ -0,0 +1,44 @@
+# Customize Contextmenu
+
+## How to Use
+
+```javascript
+import Editor from "@hufe921/canvas-editor"
+
+const instance = new Editor(container, <IElement[]>data, options)
+instance.register.contextMenuList([
+    {
+      key?: string;
+      isDivider?: boolean;
+      icon?: string;
+      name?: string; // Use %s for selection text. Example: Search: %s
+      shortCut?: string;
+      disable?: boolean;
+      when?: (payload: IContextMenuContext) => boolean;
+      callback?: (command: Command, context: IContextMenuContext) => any;
+      childMenus?: IRegisterContextMenu[];
+    }
+  ])
+```
+
+## getContextMenuList
+
+Feature: Get context menu list
+
+Usage:
+
+```javascript
+const contextMenuList = await instance.register.getContextMenuList()
+```
+
+Remark:
+
+```javascript
+// Example of modifying internal contextmenu
+contextmenuList.forEach(menu => {
+  // Find the menu item through the menu key and modify its properties
+  if (menu.key === INTERNAL_CONTEXT_MENU_KEY.GLOBAL.PASTE) {
+    menu.when = () => false
+  }
+})
+```