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@miragenflow/plugin-sdk
MiragenFlow 画布节点内部扩展的 TypeScript SDK。扩展作者只写节点 UI 与逻辑,类型、JSX、运行时桥接和构建由 SDK 提供。当前产品不提供远程加载或安装入口,扩展需要随应用源码集成。
提供什么
| 能力 | 说明 |
|---|---|
| 完整类型 | CanvasPlugin / CanvasNodeDefinition / CanvasNodeContext / CanvasOp / CanvasTheme / CanvasNodeData … 全部有提示 |
definePlugin(...) |
给插件对象(或工厂)补全类型;对象形式无需再 const { React } = runtime |
| automatic JSX | jsxImportSource 指向本包,TSX 自动转发到宿主 React,不打包第二份 React |
| 类型化 hooks | import { useState, useEffect, useMemo, useRef, ... },运行时转发宿主 React |
buildPlugin(...) |
统一 esbuild 构建,插件 build.mjs 只需一行 |
最小插件
// src/index.tsx
import { definePlugin, useState } from "@miragenflow/plugin-sdk";
import type { CanvasNodeContentProps } from "@miragenflow/plugin-sdk";
function Content({ ctx }: CanvasNodeContentProps) {
const [n, setN] = useState(0);
return (
<button onMouseDown={(e) => e.stopPropagation()} onClick={() => setN((v) => v + 1)} style={{ color: ctx.theme.node.text }}>
{ctx.node.title}: {n}
</button>
);
}
export default definePlugin({
id: "my-plugin",
name: "我的插件",
version: "1.0.0",
nodes: [
{
type: "my-plugin:node",
title: "示例",
icon: "✨",
defaultSize: { width: 240, height: 160 },
Content,
},
],
});
// build.mjs
import { buildPlugin } from "@miragenflow/plugin-sdk/build";
await buildPlugin(import.meta.url);
npm run build 只产出 dist/<目录名>.js,不会写入应用公共目录或远程清单。
依赖接入
插件 package.json:
{
"type": "module",
"scripts": { "build": "node build.mjs", "dev": "node build.mjs --watch", "typecheck": "tsc --noEmit" },
"devDependencies": {
"@miragenflow/plugin-sdk": "file:../sdk",
"@types/react": "19.1.12",
"typescript": "^5"
}
}
插件 tsconfig.json 关键项:"jsx": "react-jsx"、"jsxImportSource": "@miragenflow/plugin-sdk"、"moduleResolution": "bundler"。
设计约束
- React 单例:JSX 与 hooks 惰性读取
globalThis.MiragenFlowRuntime.React(由源码集成层注入),react 全程 external,绝不打包第二份。 - 重依赖:three、marked 等在源码里
await import("https://esm.sh/...")动态加载,esbuild 自动 external,不进 bundle。 - 类型真源:
src/types.ts是宿主web/src/types/canvas-plugin.ts公开契约的镜像;宿主契约变更时同步此处。