Zhentiw - 博客园

2022年10月26日

摘要： Implement TrimRight<T> which takes an exact string type and returns a new string with the whitespace ending removed. For example: type Trimed = TrimRi 阅读全文

posted @ 2022-10-26 18:35 Zhentiw 阅读(21) 评论(0) 推荐(0)

[React] useEffect - problem: depending On State Mutated In The useEffect

摘要： Let say we have a simple counter app: import { useEffect, useState } from "react"; function useStopwatch() { const [count, setCount] = useState(0); us 阅读全文

posted @ 2022-10-26 14:58 Zhentiw 阅读(33) 评论(0) 推荐(0)

[RxJS] merge - build count down example

摘要： import { interval, fromEvent, of, merge, empty } from 'rxjs'; import { scan, mapTo, takeWhile, takeUntil, tap, startWith, switchMap } from 'rxjs/opera 阅读全文

posted @ 2022-10-26 14:23 Zhentiw 阅读(37) 评论(0) 推荐(0)

[Typescript] 68. Medium - Fill

摘要： Fill, a common JavaScript function, now let us implement it with types. Fill<T, N, Start?, End?>, as you can see,Fill accepts four types of parameters 阅读全文

posted @ 2022-10-26 01:02 Zhentiw 阅读(33) 评论(0) 推荐(0)

2022年10月25日

[Typescript] Declare Module

摘要： https://www.typescriptlang.org/docs/handbook/modules.html#ambient-modules Example for declare node.js "url" & "path" module: node.d.ts declare module 阅读全文

posted @ 2022-10-25 15:01 Zhentiw 阅读(564) 评论(0) 推荐(0)

[Typescript] export = and import = require()

摘要： https://www.typescriptlang.org/docs/handbook/modules.html#export--and-import--require When you export using `export = ` let numberRegexp = /^[0-9]+$/; 阅读全文

posted @ 2022-10-25 14:36 Zhentiw 阅读(119) 评论(0) 推荐(0)

[Typescript] 67. Medium - Chunk

摘要： Do you know lodash? Chunk is a very useful function in it, now let's implement it. Chunk<T, N> accepts two required type parameters, the T must be a t 阅读全文

posted @ 2022-10-25 03:20 Zhentiw 阅读(25) 评论(0) 推荐(0)

[Typescript] TypeScript module Augmentation

摘要： You might have some changes locally for 3rd party library. For the local implementation, you need to modify the types in order to resolve IDE issue. W 阅读全文

posted @ 2022-10-25 00:09 Zhentiw 阅读(31) 评论(0) 推荐(0)

2022年10月24日

[HTML 5] HTML List

摘要：  <ul> <li>Here's a thing</li> <li>Another thing</li> <li>More things</li> <li><a href="#">A link in a thing</a></li> </ul> <!-- or 阅读全文

posted @ 2022-10-24 18:07 Zhentiw 阅读(42) 评论(0) 推荐(0)

2022年10月23日

[Typescript] 66. Medium - IsTuple

摘要： Implement a type IsTuple, which takes an input type T and returns whether T is tuple type. For example: type case1 = IsTuple<[number]> // true type ca 阅读全文

posted @ 2022-10-23 20:45 Zhentiw 阅读(24) 评论(0) 推荐(0)

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