#typescript
TypeScript Mutually Exclusive Unions: From `?: never` to `ExclusifyUnion`
Mutually Exclusive Unions in TypeScript (and why ExclusifyUnion rocks) When modelling...
YCM Jason3 min read
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YCM Jason
I cook delicious TypeScript / JavaScript nuggets. 🍳
Articles by @ycmjason
Browse the latest writing surfaced through DevArt.
YCM Jason3 min read
#typescript
Introducing @ts-migrating: The Best Way To Upgrade Your TSConfig
🚀 TypeScript is evolving fast, and your tsconfig should keep up. But upgrading TypeScript...
YCM Jason3 min read
#javascript#typescript#webdev
7 Modern Use Cases of IIFE
In the last article, I introduced the try-catch IIFE pattern. Some of you found it clever, while...
YCM Jason7 min read
#javascript#typescript
TRY {} CATCH {} ‒ FIXED! (with a surprisingly old trick)
This article is loosely based off my recent video: Hey everyone, Jason here 👋 Let's talk about...
YCM Jason3 min read![[Boost]](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F4ip8naarv35ksp8qvkv4.png)
YCM Jason1 min read
#webdev#ai
I Recreated Tom Riddle’s Diary, But Used My Soul Instead 👻
YCMJason's Diary 📖✨ This web app is inspired by Tom Riddle's Diary. I've literally...
YCM Jason2 min read
#typescript#functional
Advanced Typescript: Typing Partially Applicable Functions
This post follows up on How to make functions partially applicable in JavaScript. Partial Function...
YCM Jason12 min read
#webdev#javascript#tutorial#html
Detecting barcode from the browser!!!
Background I have just arranged for my first ever concert that is going to happen in...
YCM Jason3 min read
#javascript#webdev#recursion
I (roughly) defined (almost) every array method using recursion 😂
So... I have decided to define every array methods using recursion. (I haven't really tested all of t...
YCM Jason3 min read
Code Vlog: Building a Linktree Clone Static Site Generator
Hey guys, I have decided to make more coding videos on my youtube channel. This is my very first...
YCM Jason1 min read
#javascript#typescript#webdev#beginners
how not to use reduce
Why not reduce? https://dev.to/ycmjason/writing-cleaner-code-with-the-rule-of-least-power-rolp-4kkk...
YCM Jason1 min read
#javascript#typescript
Writing cleaner code with the rule of least power #ROLP
The rule of least power suggests that: the less powerful the [computer] language, the more you...
YCM Jason6 min read
#typescript
How to `filter` without `is` in Typescript? the `flatMap` as `filter` technique
Typescript gives developers confidence in their code changes. The types help developers understand co...
YCM Jason3 min read
#vue#javascript#typescript
Recreating Vue 3 Reactivity API (roughly)
This article is roughly based off the talk I gave on 20th November 2019 at Vue.js London #13 meet...
YCM Jason10 min read
#vue#javascript#webdev
Thought on Vue 3 Composition API - `reactive()` considered harmful
Vue.js stands out from other frameworks for its intuitive reactivity. Vue 3 composition api is going...
YCM Jason4 min read
#vue#webdev
Vue without View - An Introduction to Renderless Components
Components get harder to maintain as they grow larger. Sometimes it is not obvious how to split a...
YCM Jason6 min read
#beginners#tutorial#webdev#opensource
Frogram - this might be the best way to introduce programming to laymen
TL; DR I created a website, frogram, which aims to introduce program...
YCM Jason2 min read
5 Tips for Live-Coding Talks
This year (2018) I have given 4 tech talks at different events. 05 July @ Vue...
YCM Jason5 min read
Live-coding Wednesdays - codewithjason
I have always wanted to start a YouTube channel talking about coding stuff. Thi...
YCM Jason1 min read
#javascript#react#vue#beginners
Building a Simple Virtual DOM from Scratch
I gave a live-coding talk last week at the Manchester Web Meetup #4. I built a virtual DOM from...
YCM Jason16 min read
#javascript#node#tutorial
Limit concurrent asynchronous calls
Although Javascript is designed to be single threaded, you could still do things concurrently. For...
YCM Jason4 min read
#showdev#svg#javascript
Do you know about these SVG techniques?
I recently discovered 3 really exciting SVG Techniques: Convert SVG to image with canvas HiDPI...
YCM Jason4 min read
#javascript#beginners
Let me explain to you what is `this`. (Javascript)
Me trying to explain what is `this`.
YCM Jason3 min read
#vue#react#webdev#showdev
Looks like Vue.js will likely out-star React over the weekend!
original post: https://www.ycmjason.com/blog/2018/06/14.html It's almost there! It's almost...
YCM Jason4 min read
#javascript#vue#react#webdev
My point of "vue" in React vs. Vue
Original post: https://www.ycmjason.com/blog/2018/05/09.html I personally consider the following...
YCM Jason3 min read
#javascript
My attempt on asyncToGenerator()
Not gonna explain so much, just sharing my recent attempt on implementing asyncToGenerator(). Please...
YCM Jason1 min read
#javascript#vuepress#vue
String.prototype.replace asynchronously?
This article describes how we could write asyncStringReplace.
YCM Jason5 min read
#javascript#webdev#vue#beginners
Exploring parcel with Vue.js, the webpack alternative
Creating a project with parcel from scratch.
YCM Jason3 min read
#javascript#fetch#recursion#node
Javascript fetch, retry upon failure.
How to implement fetch which includes a retry mechanism?
YCM Jason8 min read
YCM JasonCurated read