Zhentiw - 博客园

2023年2月2日

[Typescript] Function overload: Data hook problem

摘要： Requirement is if pass in initialData, then return type should not contain undefined, otherwise, it should. import { it } from "vitest"; import { Equa 阅读全文

posted @ 2023-02-02 15:51 Zhentiw 阅读(20) 评论(0) 推荐(0)

[Typescript] The Inference Mystery Solved

摘要： When we pass in "div" to document.querySelector, it returns an HTMLDivElement or null. Similarly, when we pass it "span" we're getting an HTMLSpanElem 阅读全文

posted @ 2023-02-02 15:42 Zhentiw 阅读(34) 评论(0) 推荐(0)

[Typescript] Generics in Function Overloads

摘要： Here's a function called returnWhatIPassInExceptFor1: function returnWhatIPassInExceptFor1(t: unknown): unknown { if (t 1) { return 2; } return t; } W 阅读全文

posted @ 2023-02-02 01:15 Zhentiw 阅读(41) 评论(0) 推荐(0)

2023年1月31日

[Docker] Create a Docker image with Dockerfile

摘要： ### Create a docker file 1. Cd to the project: `cd widget-factory-inc/` 2. create a dockerfile: `vim dockerfile` ```bash FROM httpd:2.4 RUN apt update 阅读全文

posted @ 2023-01-31 19:57 Zhentiw 阅读(115) 评论(0) 推荐(0)

[Typescript] Function Overloads vs. Union Types

摘要： Union type: function runGenerator(generator: { run: () => string } | (() => string)) { if (typeof generator 'function') { return generator(); } return 阅读全文

posted @ 2023-01-31 19:36 Zhentiw 阅读(33) 评论(0) 推荐(0)

2023年1月30日

[Typescript] @overload for JSDoc

摘要： TypeScript 5.0 now allows JSDoc to declare overloads with a new @overload tag. Each JSDoc comment with an @overload tag is treated as a distinct overl 阅读全文

posted @ 2023-01-30 15:50 Zhentiw 阅读(172) 评论(0) 推荐(0)

[Typescript 5.0] const Type Parameters with readonly

摘要： https://devblogs.microsoft.com/typescript/announcing-typescript-5-0-beta/#exhaustive-switch-case-completions In the example code: type HasNames = { na 阅读全文

posted @ 2023-01-30 15:47 Zhentiw 阅读(68) 评论(0) 推荐(0)

2023年1月29日

[Docker] Storing Container Data in Azure Blob Storage

摘要： Configuration and Installation Obtain the Azure login credentials: az login Copy the code provided by the command. Open a browser and navigate to http 阅读全文

posted @ 2023-01-29 20:28 Zhentiw 阅读(67) 评论(0) 推荐(0)

[Typescript] Understanding Generics at Different Levels of Functions

摘要： The following code import { expect, it } from 'vitest'; import { Equal, Expect } from '../helpers/type-utils'; export interface Cache<T> { get: (key: 阅读全文

posted @ 2023-01-29 20:14 Zhentiw 阅读(27) 评论(0) 推荐(0)

2023年1月28日

[Docker] Storing Container Data in AWS S3

摘要： Storing Container Data in AWS S3 Introduction Using Docker volumes is the preferred method of storing container data locally. Volume support is built 阅读全文

posted @ 2023-01-28 17:37 Zhentiw 阅读(224) 评论(0) 推荐(0)

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