1. 常用类型标注

[wuyuedefeng]

1. vue useRef

import { ref } from 'vue'
export function useRef<T extends abstract new(...args: any) => any>(_component: T) {
  return ref<InstanceType<T>>()
}

2. Omit, Partial, Pick的使用

interface Article {
  author: string,
  date: Date,
  readCount: number,
}
type Optional<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
type CreateArticle = Optional<Article, 'author' | 'date' | 'readCount'>;

function createArticle(article: CreateArticle) {}