mizchi

/**
 * Usage
 * deno run -A v0.ts https://google.com
 */
import "core-js/proposals/explicit-resource-management.js";
import puppeteer from "puppeteer";
import { tool } from "ai";
import { collectHighlight } from "./inject.ts";
import { z } from "zod";
// optional: show image on terminal

mizchi

参加者や運営のコンテキスわかってる人向けの雑な版。 真面目なのは後で書く、かも。気分次第

https://www.cyberagent.co.jp/careers/students/career_event/detail/id=31182

https://github.com/CyberAgentHack/web-speed-hackathon-2025

追記

真面目な解説書いた

mizchi

/**
 * Usage
 * deno run -A v0.ts https://google.com
 */
import "npm:core-js/proposals/explicit-resource-management.js";
import puppeteer from "npm:puppeteer@24.4.0";
import { printImageFromBase64 } from "jsr:@mizchi/imgcat";

function trapCtrlC(fn: () => Promise<void>) {
  const handler = async () => {

mizchi

/**
 * Puppeteerでデバッガーを使ってJavaScriptの関数の戻り値を変更するサンプル
 * Debugger.setReturnValueを使って関数の戻り値を変更する
 * 本来なら foo() は "foo" を返すが "foo-modified" に変更されている。
 */
/*実行ログ
[Debugger.scriptParsed] http://localhost:8778/main.js
[Debugger.paused] {
  functionName: "foo",
  reason: "other",

mizchi

This is translation of https://zenn.dev/mizchi/articles/introduce-moonbit from japanese

---

MoonBit: A Prototype Ideal for the WebAssembly Era

Recently, I came across a language called MoonBit, and the more I looked into it, the more I liked it, so I'd like to introduce it.

https://www.moonbitlang.com/

mizchi

#!/usr/bin/env deno run -A

/**
 * Lighthouse プラグインを直接実行する実装
 * https://github.com/GoogleChrome/lighthouse/blob/main/docs/plugins.md#custom-audits
 */

import lighthouse from "npm:lighthouse";
import { killAll, launch } from "npm:chrome-launcher";
import chromeFinder from "npm:chrome-finder";

mizchi

import fs from "fs";
import { defineConfig } from "vite";
export default defineConfig({
  plugins: [
    {
      name: "isolation",
      configureServer(server) {
        server.middlewares.use((_req, res, next) => {
          res.setHeader("Cross-Origin-Opener-Policy", "same-origin");
          res.setHeader("Cross-Origin-Embedder-Policy", "require-corp");

mizchi

/*
# Usage
$ git add foo.ts
$ git commit -m "add foo.ts"

# push and wait ci

$ deno run -A git-push-with-ci.ts
Enumerating objects: 7, done.
Counting objects: 100% (7/7), done.

mizchi

/* @script */

// LSP メッセージの型定義
type JsonRpcMessage = {
  jsonrpc: "2.0";
  id?: number;
  method?: string;
  params?: unknown;
  result?: unknown;
  error?: {

mizchi

/**
 * $ deno run tools/read.ts https://example.com
 * $ deno run tools/read.ts https://example.com --summary
 */
import { JSDOM } from "npm:jsdom@26.0.0";
import { Readability } from "npm:@mozilla/readability";
import html2md from "npm:html-to-md";
import { parseArgs } from "node:util";
import { anthropic } from "@ai-sdk/anthropic";
import { streamText } from "npm:ai";