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petamoriken / 森建

@moriken.dev

pixivFANBOXでJSConf JP 2025 #jsconfjp お疲れ様でした！を公開しました！

JSConf JP 2025 #jsconfjp お疲れ様でした！｜petamoriken / 森建｜pixivFANBOX

JSConf JP 2025 にセッション登壇しました！当日の様子は YouTube チャンネルのアーカイブにあるので、興味があればぜひ御覧ください。感想普段福岡に引きこもっていて東京のカンファレンス参加自体初めてでした。オフラインでセッション登壇するのも初めてです。配信で自分の登壇を見返しましたが、結構言い間違えを...

moriken.fanbox.cc

November 20, 2025 at 4:28 PM

Reposted by petamoriken / 森建

Rob Palmer

@robpalmer.bsky.social

ECMAScript excitement 😉

This week TC39 advanced these proposals 🎉

4️⃣ Intl.Locale Info
4️⃣ Iterator.concat
4️⃣ JSON.parse Source Text
3️⃣ Iterator.zip
2️⃣.7️⃣ Iterator.prototype.join
2️⃣.7️⃣ Promise.allKeyed
2️⃣ Error.captureStackTrace
2️⃣ Import Text
2️⃣ Object.keysLength
1️⃣ Intl Energy Units
1️⃣ Intl Unit Protocol

🧵

~35 TC39 delegates on the stage in front of a sign that says "Bloomberg Welcomes Ecma TC39"

November 20, 2025 at 8:20 AM

petamoriken / 森建

@moriken.dev

Web とは何か | blog.jxck.io
blog.jxck.io/entries/2025...

Web とは何か | blog.jxck.io

見落とされがちだが、「Web とは何か」という仕様はない。Web を定義した W3C のドキュメントもなければ、IETF の RFC もない。Web は仕様ではないのだ。これだけしっかりと標準化された技術の粋を集めた総体が、なぜそんなにもフワっとしているのだろうか?では我々...

blog.jxck.io

November 20, 2025 at 12:13 AM

petamoriken / 森建

@moriken.dev

TPAC 2025 参加記録 | blog.jxck.io
blog.jxck.io/entries/2025...

TPAC 2025 参加記録 | blog.jxck.io

W3C が毎年開催する国際会議、TPAC 2025 に参加してきた。

blog.jxck.io

November 19, 2025 at 6:04 AM

petamoriken / 森建

@moriken.dev

海外の方も視聴されるかなと思ってスライドを英語にしたんですが、翻訳に nani.now にめちゃくちゃ助けてもらいました。素晴らしいプロダクトをありがとうございます……！
#jsconfjp

November 18, 2025 at 10:13 AM

Reposted by petamoriken / 森建

IntentToShip

@intenttoship.dev

Gecko: Intent to prototype: Deferred Imports Evaluation

groups.google.com

November 18, 2025 at 10:02 AM

Reposted by petamoriken / 森建

Rob Palmer

@robpalmer.bsky.social

ECMAScript excitement 😉

Congrats to Eemeli Aro @mozilla.org on advancing Import Text to Stage 2 at TC39 today 🎉

It uses an import attribute for easy loading.

import text from "path/to/file.txt" with { type: "text" };

github.com/eemeli/propo...

GitHub - eemeli/proposal-import-text: A TC39 proposal for importing text

A TC39 proposal for importing text. Contribute to eemeli/proposal-import-text development by creating an account on GitHub.

github.com

November 18, 2025 at 7:34 AM

petamoriken / 森建

@moriken.dev

Since the TC39 meeting is being held in Tokyo this month, it's great that we can keep track of the meeting information in real-time during the day 😄

November 18, 2025 at 7:38 AM

Reposted by petamoriken / 森建

Rob Palmer

@robpalmer.bsky.social

ECMAScript excitement 😉

Congrats to my coworker @ashley-c.bsky.social at TechAtBloomberg on advancing Await Dictionary to Stage 2.7 at TC39 today 🎉

Promise.all returns positional results as an array. Promise.allKeyed allows named results inside an object 👍

github.com/tc39/proposa...

const {
shape,
color,
mass,
} = await Promise.allKeyed({
shape: getShape(),
color: getColor(),
mass: getMass(),
});

November 18, 2025 at 6:33 AM

Reposted by petamoriken / 森建

Rob Palmer

@robpalmer.bsky.social

ECMAScript excitement 😉

Congrats to Michael Ficarra on advancing Joint Iteration to Stage 3 at TC39 today 🎉

It provides synchronized iteration over multiple iterators.

🔸 Iterator.zip vends an array per-iteration
🔸 Iterator.zipToObjects vends an object per-iteration

Iterator.zip([
[0, 1, 2],
[3, 4, 5],
]).toArray()

/*
Produces:
[
[0, 3],
[1, 4],
[2, 5],
]
*/

Iterator.zipKeyed({
a: [0, 1, 2],
b: [3, 4, 5, 6],
c: [7, 8, 9],
}).toArray()

/*
Produces:
[
{ a: 0, b: 3, c: 7 },
{ a: 1, b: 4, c: 8 },
{ a: 2, b: 5, c: 9 },
]
*/

November 18, 2025 at 5:50 AM

Reposted by petamoriken / 森建

Rob Palmer

@robpalmer.bsky.social

ECMAScript excitement 😉

Congrats to @michael.ficarra.me on advancing Iterator Sequencing to Stage 4 at TC39 today 🎉

let it = Iterator.concat(it1, it2, ...)

It helps you create an iterator by stitching together a sequence of iterators 👍

github.com/tc39/proposa...

let lows = Iterator.from([0, 1, 2, 3]);
let highs = Iterator.from([6, 7, 8, 9]);

let lowsAndHighs = function* () {
yield* lows;
yield* highs;
}();

Array.from(lowsAndHighs); // [0, 1, 2, 3, 6, 7, 8, 9]

November 18, 2025 at 5:24 AM

Reposted by petamoriken / 森建

Rob Palmer

@robpalmer.bsky.social

ECMAScript excitement 😉

Congrats to Richard Gibson on advancing JSON.parse source text access to Stage 4 at TC39 today 🎉

It grants reviver functions access to the input source text 👍

github.com/tc39/proposa...

GitHub - tc39/proposal-json-parse-with-source: Proposal for extending JSON.parse to expose input source text.

Proposal for extending JSON.parse to expose input source text. - tc39/proposal-json-parse-with-source

github.com

November 18, 2025 at 2:09 AM

Reposted by petamoriken / 森建

Rob Palmer

@robpalmer.bsky.social

ECMAScript excitement 😉

TC39 is about to meet in Tokyo! We have a packed agenda with many proposals being pitched for stage advancement.

This meeting is hosted by TechAtBloomberg and begins in 30 mins.