efclのブックマーク / 2026年7月4日 - はてなブックマーク

Release ES2026 · tc39/ecma262
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efcl 2026/07/04
ECMAScript 2026リリース。 2026年6月30日にEcmaで承認された正式リリース。 `Array.fromAsync`、`Uint8Array.prototype.toBase64()`/`Uint8Array.fromBase64()`を追加。 `Iterator.concat()`、`Math.sumPrecise()`、`Error.isError()`、`Map.prototype.getOrInsert()`の追加など。

ECMAScript

JavaScript

ReleaseNote
リンク
How to Write an Effective Software Design Document
A good design doc can save you years of development time. Writing a design doc forces you to think through important decisions before you waste time on the wrong implementation or paint yourself into a corner. It’s also the best way to coordinate design decisions among teammates and partner teams. I’ve written design docs as a developer at Google, Microsoft, and within my own companies. The specif
efcl 2026/07/04
Design Documentの書き方についての記事。設計ドキュメントを書く判断基準、含める項目、レビューで扱うべき内容について。 Objective、Goals、Non-goals、Interfaces、Security、Open issuesなどの項目ごとに例を示している。

document

article

設計
リンク
GitHub - jayu/rev-dep: Dependency analysis and optimization toolkit for modern JavaScript and TypeScript codebases. Enforce dependency graph hygiene and remove unused code with a very fast CLI.
As codebases scale, maintaining a mental map of dependencies becomes impossible. Rev-dep is a high-speed static analysis tool designed to enforce architecture integrity and dependency hygiene across large-scale JS/TS projects. Think of Rev-dep as a high-speed linter for your dependency graph. Consolidate fragmented, sequential checks from multiple slow tools into a single, high-performance engine.
efcl 2026/07/04
JavaScript/TypeScript向けの依存関係解析CLIツール。 `rev-dep config run`でモジュールの依存関係の循環参照やデッドコードなどのチェックができる。

JavaScript

TypeScript

CLI

Tools
リンク
- 2026年7月5日
- 2026年7月4日
- 2026年6月28日