Pioneering web solutions with a modern, agile approach.
Pioneering web solutions with a modern, agile approach.
概要 Pages Router から App Router 移行時に一部既存の画面での CSR 遷移が 404 エラーになりました。 この件について調査したので、記事にしてまとめておきます。 前提 今回発生したバグの内容の再現環境の特徴として、以下が挙げられます。 Next v13.5.6 Base path の設定あり App Router と Pages Router が共存している Base Path について Base Path の設定は next.config.js に以下のような記載があると、 module.exports = { basePath: '/base', } /pages/examples.tsx で配置したページコンポーネントが、 URL /base/examples で閲覧できるようになるものです。 また以下のような Link コンポーネントは、自動的に Ne
We've added JavaScript-native RPC to Cloudflare Workers04/05/2024 Cloudflare Workers now features a built-in RPC (Remote Procedure Call) system enabling seamless Worker-to-Worker and Worker-to-Durable Object communication, with almost no boilerplate. You just define a class: export class MyService extends WorkerEntrypoint { sum(a, b) { return a + b; } } And then you call it: let three = await env.
We have thousands of engineers committing React code every day to Meta’s largest codebases. Part of our responsibility on the Flow team is to make it as easy as possible for anyone to contribute, from design system React experts to C++ engineers making one-off internal pages to support their backend services. Over the last year, we’ve built several new language features to make it easier than ever
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獲得関連指標 #1 オーガニックユーザー vs. 有料獲得(ペイド)ユーザー #2 トラフィックの供給源 #3 有料マーケティングによるCACの時系列 競合他社関連指標 #4 マルチテナントの普及率 #5 スイッチング・コストまたはマルチホーミング・コスト エンゲージメント関連指標 #6 ユーザー継続のコホート #7 コア・アクションの継続コホート #8 売上の継続コホート & 契約ユーザーの継続コホート #9 所在地 / 地域ごとの継続率 #10 パワーユーザー曲線 (またはL7チャートとL30チャート) マーケットプレイス指標 #11 マッチ率 (または利用率、成功率など) #12 市場の深さ #13 マッチの発見にかかる時間 (または在庫回転率、もしくは回転日数) #14 需要と供給の集中と断片化 エコノミクス関連指標 #15 価格決定力 #16 ユニットエコノミクス ソフトウェア事
Unfortunately, I’ve been using Jest since 2019. No offense to the Jest team – I’m pretty sure they’re awesome and way smarter than I am, but I wish I had made this move earlier in this project. I’m not talking about UI testing here, so assume everything I’m saying is about server-side JS. If you’re happy with Jest, don’t switch! I’m not trying to convince anyone. I’m just sharing my experience bec
In the context of React, testing is a non-negotiable process to maintain code quality and a smooth user experience. However, there’s one frustrating bad news that is commonly faced when running tests in React. And that is flaky tests. In the simplest of words, flaky tests are tests that seem to pass most of the time but fail sometimes, all without changes to the code or test — just for no reason.
Promises in JavaScript can seem a bit daunting at first, but understanding what's happening under the hood can make them much more approachable. In this blog post, we'll dive deep into some of the inner workings of promises and explore how they enable non-blocking asynchronous tasks in JavaScript. I'm still working on making this blog better on mobile devices, mobile browsers don't always render t
Iterator helpers are a collection of new methods on Iterator prototype that help in general use of iterators. Since these helper methods are on the iterator prototype, any object that has Iterator.prototype on its prototype chain (e.g. array iterators) will get the methods. In the following subsections, we explain iterator helpers. All the provided examples are working in a blog archive page that
When our permissions system came apart at the seams, everything came to a halt. This is the story of how we fixed it while improving performance, accuracy, and developer ergonomics. Collaboration is core to Figma. It’s why we built Figma on the web, and why multiplayer is such an important part of the Figma editor. This focus on collaboration also means that our permissions rules are complex—decep
By now you've noticed nodejs.org's fresh new look! We've taken great care in approaching this design with a nod to the past and look to the future. The site has many converging use cases, thousands of pages, and is a daily resource to many. The whole story had some dead ends and detours. But in the end it was a collective effort; coming to life with the contributions of over three dozen contributo
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