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この記事は Node.js Advent Calendar 2020 の20日目の記事です。 先日、 echo "import stringLength from 'https://unpkg.com/string-length'; \ console.log(stringLength('🐴'))" \ | somethingUsefulCommand みたいな感じで、 unpkg からのstatic importを解決してバンドル化した上で標準出力してくれるツールがあればいいのに、と思うことがあった。 調べたところ、そのような機能を持った既存コマンドは見つけられなかったのでこれを作成した。 https://github.com/tai2/ikinari-modules これを使えば、以下のようにpackage.jsonを作らずともバンドル化されたJSファイルを得られる echo "im
jsDocs.io is a documentation host for Javascript and Typescript packages published on npm
Hotwire is an alternative approach to building modern web applications without using much JavaScript by sending HTML instead of JSON over the wire. This makes for fast first-load pages, keeps template rendering on the server, and allows for a simpler, more productive development experience in any programming language, without sacrificing any of the speed or responsiveness associated with a traditi
The Volta team is thrilled to announce that Volta 1.0.0 is now available! Volta is a fast, reliable utility for declaring your JavaScript Toolchains as Code. In much the same way that Infrastructure as Code frees teams from manually managing their server infrastructure, Volta takes the hassle out of installing and coordinating JavaScript tools—such as Node, package managers, and package binaries—s
この記事は、JavaScript で Flash Player の実現を頑張った(もしくは現在進行系で頑張っている)人たちの集う Flash Advent Calendar 2020 に参加しております。 Flash Player を JavaScript で実装していた際に、現場から「起動の高速化」という難しい要求をもらった際、「遅延評価」を導入したところ大変効果がありました。今回、その遅延評価について簡単なご紹介をしたいと思います。 Flash Player 起動までのステップ 当時 Flash Player を JavaScript で提供していた際、当時のスマートフォン端末においてロード完了から最初の画面が出るまで大体 150ms くらいかかっていました。普通の Web ページであれば 150ms はロード時間の中に吸収され許容範囲になる可能性が高いのですが、当時 Flash Pl
Does not support reading Indexed, CMYK, Multichannel, Duotone and LAB color modes (all supported color modes are converted to RGB mode when reading) Does not support writing any color modes other than RGB Does not support 16 bits per channel Does not support The Large Document Format (8BPB/PSB) Does not support color palettes Does not support animations Does not support patterns (or "Pattern Overl
Today we’re very excited to announce the release of Stimulus 2.0. This version introduces two new APIs, values and CSS classes, which replace the data map API from Stimulus 1.0. You can read more about these APIs in the reference documentation: https://stimulusjs.org/reference/values https://stimulusjs.org/reference/css-classes We’ve also updated the Handbook to cover the changes in 2.0. Here’s th
JavaScript: Conditional JavaScript, only download when it is appropriate to do so Last updated: December 15, 2020 Intro In this post, I'd like to share a few techniques which you can use for selectively downloading/executing resources such as JavaScript. As an example, if the users device does not have a lot a RAM, you could decide to skip the downloading (and in turn, the parse + execution costs)
JSweet leverages TypeScript to write rich and responsive Web applications in Java through the use of JavaScript libraries and frameworks. With JSweet, Java programs are transpiled (source-to-source compiled) to TypeScript and JavaScript for being run in browsers, mobile Web views, or in Node.js. JSweet is safe and reliable. It provides web applications with type-checking and generates fully type-c
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