Angular 错误TS2345:类型为'；菜单'；不可分配给类型为的参数

你好。我不熟悉使用VSCode键入脚本

获取以下错误：

error TS2345: Argument of type 'Menu' is not assignable to parameter of type '{ state: string; name: string; type: string; icon: string;
 badge?: undefined; children?: undefine...'

import { Injectable } from '@angular/core';

export interface BadgeItem {
  type: string;
  value: string;
}

export interface ChildrenItems {
  state: string;
  name: string;
  type?: string;
}

export interface Menu {
  state: string;
  name: string;
  type: string;
  icon: string;
  badge?: BadgeItem[];
  children?: ChildrenItems[];
}

const MENUITEMS = [
  {
    state: '/',
    name: 'HOME',
    type: 'link',
    icon: 'explore'
  },
  {
    state: 'account',
    name: 'ACCOUNT',
    type: 'sub',
    icon: 'explore',
    badge: [
      {type: 'purple', value: 'new'}
    ],
    children: [
        {state: 'users', name: 'USERS'},
    ]
  }
];

@Injectable()
export class MenuService {
  getAll(): Menu[] {
    return MENUITEMS;
  }

  add(menu: Menu) {
    MENUITEMS.push(menu);
  }
}

代码：

error TS2345: Argument of type 'Menu' is not assignable to parameter of type '{ state: string; name: string; type: string; icon: string;
 badge?: undefined; children?: undefine...'

import { Injectable } from '@angular/core';

export interface BadgeItem {
  type: string;
  value: string;
}

export interface ChildrenItems {
  state: string;
  name: string;
  type?: string;
}

export interface Menu {
  state: string;
  name: string;
  type: string;
  icon: string;
  badge?: BadgeItem[];
  children?: ChildrenItems[];
}

const MENUITEMS = [
  {
    state: '/',
    name: 'HOME',
    type: 'link',
    icon: 'explore'
  },
  {
    state: 'account',
    name: 'ACCOUNT',
    type: 'sub',
    icon: 'explore',
    badge: [
      {type: 'purple', value: 'new'}
    ],
    children: [
        {state: 'users', name: 'USERS'},
    ]
  }
];

@Injectable()
export class MenuService {
  getAll(): Menu[] {
    return MENUITEMS;
  }

  add(menu: Menu) {
    MENUITEMS.push(menu);
  }
}

---

任何帮助都将不胜感激。

只需指定

菜单项的类型，如下图所示，警告将消失

const MENUITEMS : Menu[] = [
  {
    state: '/',
    name: 'HOME',
    type: 'link',
    icon: 'explore'
  },
  {
    state: 'account',
    name: 'ACCOUNT',
    type: 'sub',
    icon: 'explore',
    badge: [
      {type: 'purple', value: 'new'}
    ],
    children: [
        {state: 'users', name: 'USERS'},
    ]
  }
];

将
MENUITEMS
的第一项设置为
{state:'/'，name:'HOME'，type:'link'，icon:'explore'，badge:[]，children:[]}
我已更改了代码，但仍会收到相同的错误。解决此问题的正确方法是为
MENUITEMS
提供适当的类型，以帮助TypeScript编译器完成<代码>常量菜单项：菜单[]=[…]