Zhentiw - 博客园

2022年8月22日

摘要： Example 1: import mongoose from 'mongoose' const itemSchema = new mongoose.Schema( { name: { type: String, required: true, trim: true, maxlength: 50 } 阅读全文

posted @ 2022-08-22 19:23 Zhentiw 阅读(39) 评论(0) 推荐(0) 编辑

[Unit testing Express] Test Express route

摘要： server.js: import itemRouter from './resources/item/item.router' export const app = express() app.use('/api/item', itemRouter) item.router.js import { 阅读全文

posted @ 2022-08-22 19:14 Zhentiw 阅读(12) 评论(0) 推荐(0) 编辑

[VSCode] REST Client Extension

摘要： In VSCode, install REST Clinet Extension: Create API_EXAMPLE.http file in root folder: ### Get mock GET http://localhost:3000/data HTTP/1.1 ### Post m 阅读全文

posted @ 2022-08-22 17:51 Zhentiw 阅读(13) 评论(0) 推荐(0) 编辑

[TypesScript V4] ${X | Y} - ${W | Z}

摘要： type Corner = `${'top' | 'bottom'} - ${'left' | 'right'}` type Corner = Capitalize<`${'top' | 'bottom'} - ${'left' | 'right'}`> // "Top - left" | "Top 阅读全文

posted @ 2022-08-22 16:01 Zhentiw 阅读(13) 评论(0) 推荐(0) 编辑

[Typescript] Recursive types (JSONValue)

摘要： V3: type JSONValue = | string | number | boolean | null | JSONArray | JSONObject; type JSONArray = JSONValue[]; type JSONObect = { [k: string]: JSONVa 阅读全文

posted @ 2022-08-22 15:55 Zhentiw 阅读(20) 评论(0) 推荐(0) 编辑

[TypeScript] Labelled tuple type

摘要： Let's see the unlabelled tuple type: type Address = [ number, string, string, number, ] function printAddress(...address: Address) { console.log(addre 阅读全文

posted @ 2022-08-22 15:03 Zhentiw 阅读(12) 评论(0) 推荐(0) 编辑

2022年8月21日

[Typescript] Filtering properties out

摘要： List all the props with begin with "query" key in Document type queryTypes = Extract<keyof Document, `query${string}`> type queryyPoprDoc = { [Key in 阅读全文

posted @ 2022-08-21 00:21 Zhentiw 阅读(27) 评论(0) 推荐(0) 编辑

2022年8月19日

[Typescript] TS Monorepo setup

摘要： Yarn workspace Add following lines to the package.json file "workspaces": [ "packages/*" ] And create folder call packages in the root folder. Somethi 阅读全文

posted @ 2022-08-19 18:56 Zhentiw 阅读(101) 评论(0) 推荐(0) 编辑

2022年8月18日

[Typescript] Pick partially object type with indexed access types

摘要： type PartOfWindow = { [Key in | "document" | "navigator" | "setTimeout"]: Window[Key] } /* type PartOfWindow = { document: Document; navigator: Naviga 阅读全文

posted @ 2022-08-18 19:16 Zhentiw 阅读(17) 评论(0) 推荐(0) 编辑

[GO] Install Go

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posted @ 2022-08-18 15:05 Zhentiw 阅读(6) 评论(0) 推荐(0) 编辑

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