Published on in JavaScript and TypeScript
Let's learn about anti-symmetry by solving this interview puzzle: "Move all zeros of an array of integers to the end while maintaining the relative order of all non-zeros."
Published on in JavaScript, TypeScript and Zod
Alternative title:
I finally found a good use case for z.object().strict() in Zod.
Published on in ESLint, JavaScript and TypeScript
Last updated on
Node-Cache (a JS library) has generic get and set methods,
but it's easy to accidentally misuse them.
I made a type-safer wrapper around the library.
Date objects are nicer to work with than date stringsPublished on in JavaScript, TypeScript and Zod
When parsing data,
date strings should likely be converted to Date objects.
But beware mutations.
Published on in JavaScript, Joi, TypeScript and Zod
Last updated on
Parsing encompasses validation, plus it can increase type-safety, plus it can transform the data to a better format. Parse, don't just validate.
Published on in JavaScript and TypeScript
Last updated on
A little helper function to retry a function automatically a limited number of times (or until success) and with a certain delay between retries. Useful e.g. when working with a flaky API.
Published on in JavaScript and TypeScript
Huh. But if the array has 2+ items, attempting to sort it will cause a TypeError.
type="button"Published on in JavaScript, React and TypeScript
A <button> element defaults to type="submit"
which can cause accidental form submissions.
Make type="button" the default in your Button component
to make your life easier.
Published on in JavaScript and TypeScript
The TypeScript compiler could help prevent "illegal invocation" errors at compile time, at least theoretically.
dangerouslySetInnerHTMLPublished on in JavaScript, React and TypeScript
Last updated on
To handle internal link clicks when using dangerouslySetInnerHTML,
attach click event listeners to the rendered links.
In the listener, push the link to the browser history.
.mts is a cool file extension (TypeScript ES modules)Published on in JavaScript, Node.js and TypeScript
What's that, a file extension named after me?! Or a file extension for TypeScript files that are always ES modules?
Published on in JavaScript and TypeScript
Using recursion,
logical OR assignment operator (||=),
BigInts
and more!
Published on in JavaScript, React and TypeScript
Last updated on
I.e. props that depend on other props. You can require and forbid certain prop combinations by utilizing TypeScript's union and intersection types.
Published on in JavaScript and TypeScript
"Parameter properties" reduce boilerplate in classes, but they can also make the code hard to read.
default doesn't have to be the last casePublished on in C#, Clean code, JavaScript and TypeScript
Last updated on
Non-last default cases are confusing
but perfectly valid.
Sometimes it makes sense to place them at the beginning or in the middle.