postcss-design-tokens gotchas’

I remember when I worked constantly heavily with frontend cascading stylesheet topics, which was in the 2010s when people were simply converting Photoshop designs into HTML + CSS combos. Fast forward to today, lots of bells & whistles were definitely moulded on top of that flow. Style Dictionary is undoubtedly one of them, and even though I faced a bumpy start, I also got to relive those years of heavy frontend-oriented craftsmanship.

Empty Promises are terrible

This blog post explores some simple but interesting natures of JavaScript when Promises are involved. Moral lesson: be a good man, don’t make empty promises

k8s kustomize transformers

Using kustomize transformers can be quite helpful in certain tight spots. This post jots down some of them.

k8s kustomize

k8s kustomize has always perplexed me (as a not-so-power user). Hopefully by writing this down, I’ll draw in a bit more power 😉

how to assert that your custom hook didn’t throw

This micro blog entry is for those who: use renderHook from @testing-library/react-hooks to test their own custom hooks want to assert that the custom hook did not throw So, by instinct, one probably would do sth along this line: The reason why the above approach doesn’t work is quite obvious, if you think about it. […]

TypeScript Node.js testing tips

Situation 1 Use mocha in server-side TypeScript projects with compilerOptions.paths in tsconfig.json ? Then we need: mocha tsconfig-paths ts-node { “ts-node”: { “files”: true } } in the tsconfig.json file (see more here) Depending on how we import our modules around in the codebase, point (4) above may not always be needed. In one of […]

checkout another branch from a git repo that was cloned with –single-branch before

So you had a super large git repo, and you only wanted to checkout a single branch (e.g. to potentially save some disk space). You probably have gone with: Now that you’re done with that branch, you want to checkout another branch for your next task. Not having “the entire history”, git will yell sth […]

GIT_SSH_COMMAND

I have a number of git repos on remote systems (e.g. GitLab) where my laptop’s pub key is already registered for a certain other account not associated with the aforementioned git repos. Thus, I usually have to GIT_SSH_COMMAND=’ssh -i <path/to/some/private/key>’ git <command> so as to communicate with these repos under the correct identity. I might […]

nginx proxying to unix sockets: lessons learned

I might classify this article under “rage post”, as it’s 4:30am and tomorrow’s early work prevents me from explaining things properly. Considering you have an nginx app proxying to /your/app.socket ; then the combination of the user and group and chmod value on the app.socket file itself & the directory containing it (in this example, […]

make a string url-safe

When running devops scripts (among other things), we often need to get a url-safe representation of an arbitrary string. This is commonly known as “url slug” by the average netizens. As my JavaScript is better than my bash, and npx is more universally available than my capability to master both Windows and Linux shell scripts, […]