This post explains a pattern using tags with SWR. It’s a technique to manage the SWR cache well organized. Key in SWR Do you know SWR accepts a non-string values as its key? …

SWR v2 has been released in Dec 2022, which includes many features and improvements like the following. NewuseSWRMutation hook Mutate multiple items feature New preload API New isLoading state New keepPreviousData option Improve Optimistic Updates support Improve React 18 support SWRDevTools You can check these updates in the blog post…

React Hooks for Data Fetching - SWR React Hooks for Data Fetching The name "SWR" is derived from stale-while-revalidate, a HTTP cache invalidation strategy…swr.vercel.app SWR is a React Hooks for data fetching. It manages cached data and revalidates the cache automatically. This is great, but I see developers who are confused by the SWR’s revalidating behaviors. SWR explains the behavior in the documentation though.

Getters and Proxy are useful features in JavaScript when you want to track accessing the values. For example, you can only rerender components that used changed values by tracking the usage of values with getters and Proxy. SWR adopts the approach to optimize rendering and you can see it in…

Redux has the following recommendation as Essentials. Do Not Put Non-Serializable Values in State or Actions Avoid putting non-serializable values such as Promises, Symbols, Maps/Sets, functions, or class instances into the Redux store state or dispatched actions. This ensures that capabilities such as debugging via the Redux DevTools will work…

2020 was the special year for everyone. I have worked from home since February and have changed so many things, which are almost everything. In this year, I didn’t go to meetups and drinks even online. I just worked and spent with my family. Of course It’s not fun, but…

My second term in UoPeople was so hard and frustrating because I’ve taken two courses. In UoPeople, A student is expected to study 15–17 hours per week on each course, so I had to study 30 hours per week for two courses. The courses I’ve taken are basic courses, so…

I’ve been studying at University of the People(UoPeople) from Japan since April 2020. https://www.uopeople.edu/ I major Computer Science(CS), but before studying CS at UoPeople, I have to pass an English course to prove my English proficiency :) So, I had been studying at the course from April to June. I’ve…

I guess most developers don’t use IE11 as their developer environment. But we often have to support IE11 as an environment for our applications. …