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`next/og` compatible function built on Satori

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#442 1 則留言 0 個 reaction 已指派 0 人 在 GitHub 檢視

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還沒有人認領這個 Issue。

評估

難度
5/5
預估耗時
一週以上
新手友好度
35/100
Issue 類型
功能
描述清晰度
基本清楚
活躍度
活躍
技術堆疊
typescript, wasm
領域
backend, web-dev

研究方向

Start by reading the existing next/og shim in vinext and how Void handles Wasm modules on workerd; the issue does not name files or tests. Prototype an ImageResponse compatible with next/og using Satori and resvg, then verify JSX image generation works in Void apps on Workers.

由索引模型根據 Issue 內容生成。

描述

Summary

It would be great if Void provided an ImageResponse compatible with next/og, so OG images can be generated from JSX in Void apps (e.g. import { ImageResponse } from 'void/og').

Motivation

Most apps need dynamic OG images, and next/og is the API most people (and coding agents) already know. If existing next/og code worked by just changing the import, moving from Next.js/Vercel to Void would be much easier.

Setting this up yourself on Workers is surprisingly tricky. Satori and resvg ship Wasm that has to be loaded as precompiled modules on workerd, and recent Satori versions don't run on Workers out of the box. This feels like something Void could solve once for everyone. vinext already has a next/og shim, but that only helps vinext apps.

Why Satori and not Cloudflare Images

Cloudflare Images can transform and overlay images, and recently added basic text rendering. But it has no layout engine: no JSX/HTML/CSS input, no flexbox, no nested styled elements. So it can't reproduce what next/og does. next/og itself is built on Satori + resvg, so building on vercel/satori is the most straightforward way to get the same output.

If this direction is appropriate, I would be happy to help implement the prototype.

主要語言
TypeScript
星號
402
分支
32
平均合併
12 小時 28 分鐘
30 天內合併 PR
77

環境準備

這個專案沒有提供開發容器、Dockerfile 或貢獻指南,環境需要你自己搭建:先看它的 README,通用步驟見我們的新手貢獻指南。

從這裡開始

  1. 先讀完整個 Issue,再讀專案的貢獻指南。
  2. 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
  3. Fork 儲存庫,在一個分支上完成修改。
  4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

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