Zhentiw - 博客园

2024年8月7日

摘要： Docs: https://webkit.org/blog/6240/ecmascript-6-proper-tail-calls-in-webkit/ /* This is a recursive function without PTC */ function fatorial(n) { if 阅读全文

posted @ 2024-08-07 19:29 Zhentiw 阅读(28) 评论(0) 推荐(0)

[Typescript] Using Variables Declared Elsewhere

摘要： The declare keyword in TypeScript allows you to specify types for global variables. Whenever you use it, an ambient context is created, which means th 阅读全文

posted @ 2024-08-07 19:13 Zhentiw 阅读(35) 评论(0) 推荐(0)

[Typescript] "script" vs "module"

摘要： Typescript check a file whether it contains any export/import, if it is, then it's a module; if not then it's a script. What's the difference between 阅读全文

posted @ 2024-08-07 19:04 Zhentiw 阅读(31) 评论(0) 推荐(0)

[Typescript] Annotating the Errors Thrown by a Function

摘要： /** * How do we annotate the errors this function throws? */ type PossibleErrors = SyntaxError | DOMException; const getUserFromLocalStorage = (id: st 阅读全文

posted @ 2024-08-07 18:58 Zhentiw 阅读(28) 评论(0) 推荐(0)

[Typescript] Type incompatible function argument as never

摘要： For the following code: const objOfFunctions = { string: (input: string) => input.toUpperCase(), number: (input: number) => input.toFixed(2), boolean: 阅读全文

posted @ 2024-08-07 17:53 Zhentiw 阅读(41) 评论(0) 推荐(0)

2024年8月6日

[Typescript] Typing Functions with Object Params

摘要： import { expect, it, vitest } from 'vitest'; const logId = (obj: { id: string }) => { console.log(obj.id); }; const logName = (obj: { name: string }) 阅读全文

posted @ 2024-08-06 19:56 Zhentiw 阅读(33) 评论(0) 推荐(0)

[Typescript] Understanding TypeScript's Function Parameter Comparisons

摘要： Make those pass: import { Equal, Expect } from "@total-typescript/helpers"; type Event = "click" | "hover" | "scroll"; type CallbackType = unknown; co 阅读全文

posted @ 2024-08-06 15:13 Zhentiw 阅读(53) 评论(0) 推荐(0)

2024年8月2日

[CSS] max-content, min-content, fit-content

摘要： max-content https://developer.mozilla.org/en-US/docs/Web/CSS/max-content The max-content sizing keyword represents the maximum intrinsic size of the c 阅读全文

posted @ 2024-08-02 15:23 Zhentiw 阅读(64) 评论(0) 推荐(0)

[Typescript] Pipe function

摘要： function pipe<A, B>(fn: (a: A) => B) { function run(a: A) { return fn(a) } run.pipe = <C, >(fn2: (b: B) => C) => pipe((a: A) => fn2(fn(a))) return run 阅读全文

posted @ 2024-08-02 14:51 Zhentiw 阅读(40) 评论(0) 推荐(0)

[Typescript] Advance query builder example

摘要： type BaseTable = { [colName: string]: string | number | boolean; } type Columns<Tables extends { [tableName: string]: BaseTable }> = { [K in keyof Tab 阅读全文

posted @ 2024-08-02 14:50 Zhentiw 阅读(37) 评论(0) 推荐(0)

Answer1215

公告