Zhentiw - 博客园

2022年8月8日

摘要： Stacking multiple things on an identifier interface Fruit { name: string mass: number color: string } const Fruit = { name: "banana", color: "yellow", 阅读全文

posted @ 2022-08-08 18:30 Zhentiw 阅读(29) 评论(0) 推荐(0)

[Typescript] namespace

摘要： `namespace` is manily for the left over from the days where we’d refer to libraries through a single global variable. With this in mind, let’s not giv 阅读全文

posted @ 2022-08-08 18:23 Zhentiw 阅读(28) 评论(0) 推荐(0)

[Typescript] Scopes and TypeParams

摘要： When working with function parameters, we know that “inner scopes” have the ability to access “outer scopes” but not vice versa function receiveFruitB 阅读全文

posted @ 2022-08-08 17:59 Zhentiw 阅读(47) 评论(0) 推荐(0)

[Typescript] Generics constraint

摘要： Assume we have the following code: interface HasId { id: string } interface Dict<T> { [k: string]: T } function listToDict<T>(list: T[]): Dict<T> { co 阅读全文

posted @ 2022-08-08 17:54 Zhentiw 阅读(28) 评论(0) 推荐(0)

2022年8月7日

[Typescript] Dictionary map, filter and reduce

摘要： const fruits = { apple: { color: "red", mass: 100 }, grape: { color: "red", mass: 5 }, banana: { color: "yellow", mass: 183 }, lemon: { color: "yellow 阅读全文

posted @ 2022-08-07 01:48 Zhentiw 阅读(330) 评论(0) 推荐(0)

2022年8月5日

[Node.js] Add node.js command line to global

摘要： Add to global commands Add #! /usr/bin/env node to index.js chmod +x index.js Run ./index.js to test. ln -s <full_path_to_index.js_file>/index.js /usr 阅读全文

posted @ 2022-08-05 21:01 Zhentiw 阅读(32) 评论(0) 推荐(0)

[Node.js] Handle Relative Paths in a Node.js ESM Project with import.meta.url

摘要： Our CLI can be run from anywhere on the system but we have a critical error. The script is trying to find a data.json file that is relative to where i 阅读全文

posted @ 2022-08-05 20:57 Zhentiw 阅读(86) 评论(0) 推荐(0)

[Node.js] Reading from the File System in Node.js

摘要： There are a handful of ways you can read and write to the File System in Node.js. We will look at readFileSync, readFile, and a promise based version 阅读全文

posted @ 2022-08-05 20:25 Zhentiw 阅读(33) 评论(0) 推荐(0)

[Node.js] Set the Node.js Project to ECMAScript Modules (ESM)

摘要： Node.js projects have two ways that you can import and export code into different files. This is through CommonJS (CJS) and ECMAScript modules (ESM). 阅读全文

posted @ 2022-08-05 19:50 Zhentiw 阅读(28) 评论(0) 推荐(0)

2022年8月4日

[JUnit] Assumption and assertAll

摘要： Assumption: Run the testing code only if when the condition is match, otherwise, test will be ignored @Test void runTestIf() { System.out.print("Curre 阅读全文

posted @ 2022-08-04 18:28 Zhentiw 阅读(30) 评论(0) 推荐(0)

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