feat(plugin-sdk): add TypeScript SDK for Infinite Canvas plugins with automatic JSX and build support

This commit is contained in:
HouYunFei
2026-07-15 15:31:48 +08:00
parent 8d3f244524
commit 75aafc115f
82 changed files with 3228 additions and 3288 deletions
+2 -49
View File
@@ -1,50 +1,3 @@
import { build, context } from "esbuild";
import { cp, mkdir } from "node:fs/promises";
import { basename, dirname, join } from "node:path";
import { fileURLToPath } from "node:url";
import { buildPlugin } from "@infinite-canvas/plugin-sdk/build";
const root = dirname(fileURLToPath(import.meta.url));
const name = basename(root); // 目录名即插件产物名,如 markdown → markdown.js
const distDir = join(root, "dist");
// 本地开发同步到 web/public/plugins,便于用 /plugins/<name>.js 安装或走 VITE_DEV_PLUGINS
const publicDir = join(root, "..", "..", "..", "web", "public", "plugins");
const watch = process.argv.includes("--watch");
const syncToPublic = {
name: "sync-to-public",
setup(builder) {
builder.onEnd(async (result) => {
if (result.errors.length) return;
await mkdir(publicDir, { recursive: true });
await cp(join(distDir, `${name}.js`), join(publicDir, `${name}.js`));
console.log(`[${name}] synced → web/public/plugins/${name}.js`);
});
},
};
const options = {
entryPoints: [join(root, "src", "index.jsx")],
outfile: join(distDir, `${name}.js`),
bundle: true,
format: "esm",
platform: "browser",
target: "es2020",
// 经典 JSX 转换 → React.createElement,使用源码里 runtime 解构出的 React
jsx: "transform",
jsxFactory: "React.createElement",
jsxFragment: "React.Fragment",
loader: { ".js": "jsx", ".jsx": "jsx", ".css": "text" },
// 通过 runtime.React 使用宿主 React,自身不打包 React
external: ["react", "react-dom"],
minify: !watch,
plugins: [syncToPublic],
};
if (watch) {
const ctx = await context(options);
await ctx.watch();
console.log(`[${name}] watching src/ ...`);
} else {
await build(options);
console.log(`[${name}] built → dist/${name}.js`);
}
await buildPlugin(import.meta.url);
+36 -470
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@@ -8,491 +8,57 @@
"name": "canvas-plugin-markdown",
"version": "1.0.0",
"devDependencies": {
"esbuild": "^0.25.0"
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"@types/react": "19.1.12",
"typescript": "^5"
}
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+5 -2
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@@ -6,9 +6,12 @@
"description": "Infinite Canvas Markdown 节点插件",
"scripts": {
"build": "node build.mjs",
"dev": "node build.mjs --watch"
"dev": "node build.mjs --watch",
"typecheck": "tsc --noEmit"
},
"devDependencies": {
"esbuild": "^0.25.0"
"@infinite-canvas/plugin-sdk": "file:../sdk",
"@types/react": "19.1.12",
"typescript": "^5"
}
}
+10
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@@ -0,0 +1,10 @@
// esbuild 以 text loader 把 .css 打成字符串
declare module "*.css" {
const css: string;
export default css;
}
// 重依赖从 CDN 动态加载,不打进 bundle;此处声明以便 TS 提示
declare module "https://esm.sh/marked@14" {
export const marked: { parse: (src: string) => string };
}
-64
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@@ -1,64 +0,0 @@
// Markdown 节点:编辑与渲染 Markdown。marked 从 CDN 按需加载,不打进插件体积。
// styles.css 由 esbuild 以 text 方式打进 bundle,通过 plugin.css 自动注入。
import css from "./styles.css";
let markedPromise;
function loadMarked() {
if (!markedPromise) markedPromise = import("https://esm.sh/marked@14").then((mod) => mod.marked);
return markedPromise;
}
export default function markdownPlugin(runtime) {
const { React } = runtime;
const { useState, useEffect } = React;
function MarkdownContent({ ctx }) {
const [editing, setEditing] = useState(false);
const [html, setHtml] = useState("");
const value = ctx.node.metadata?.content || "";
useEffect(() => {
let alive = true;
loadMarked().then((marked) => {
if (alive) setHtml(marked.parse(value || "*双击右上角按钮编辑 Markdown*"));
});
return () => {
alive = false;
};
}, [value]);
const toggle = { position: "absolute", right: 8, top: 8, zIndex: 20, width: 32, height: 32, display: "grid", placeItems: "center", borderRadius: 8, border: `1px solid ${ctx.theme.node.stroke}`, background: `${ctx.theme.toolbar.panel}dd`, color: ctx.theme.node.text, cursor: "pointer" };
return (
<div data-canvas-no-zoom onMouseDown={(e) => e.stopPropagation()} style={{ position: "relative", height: "100%", width: "100%", display: "flex", flexDirection: "column" }}>
<button type="button" style={toggle} onClick={() => setEditing((v) => !v)} title={editing ? "预览" : "编辑"}>{editing ? "👁" : "✎"}</button>
{editing ? (
<textarea autoFocus value={value} placeholder="# 输入 Markdown" onChange={(e) => ctx.updateMetadata({ content: e.target.value })} onWheel={(e) => e.stopPropagation()} style={{ height: "100%", width: "100%", resize: "none", background: "transparent", padding: 16, fontFamily: "monospace", fontSize: 14, outline: "none", border: "none", color: ctx.theme.node.text }} />
) : (
<div className="cnv-md" onWheel={(e) => e.stopPropagation()} style={{ color: ctx.theme.node.text }} dangerouslySetInnerHTML={{ __html: html }} />
)}
</div>
);
}
return {
id: "markdown",
name: "Markdown 节点",
version: "1.0.0",
description: "在画布中编辑与渲染 Markdown",
css,
nodes: [
{
type: "markdown:doc",
title: "Markdown",
icon: "📝",
description: "编辑与渲染 Markdown",
defaultSize: { width: 360, height: 300 },
defaultMetadata: { content: "" },
minimapColor: "#6366f1",
resource: (node) => ({ kind: "text", text: node.metadata?.content }),
Content: MarkdownContent,
},
],
};
}
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// Markdown 节点:编辑与渲染 Markdown。marked 从 CDN 按需加载,不打进插件体积。
// styles.css 由 esbuild 以 text 方式打进 bundle,通过 plugin.css 自动注入。
import { definePlugin, useEffect, useMemo, useState } from "@infinite-canvas/plugin-sdk";
import type { CanvasNodeContentProps } from "@infinite-canvas/plugin-sdk";
import css from "./styles.css";
type Marked = { parse: (src: string) => string };
let marked: Marked | undefined; // 加载完成后的 marked 实例,模块级缓存,后续同步渲染
let markedPromise: Promise<Marked> | undefined;
function loadMarked(): Promise<Marked> {
if (marked) return Promise.resolve(marked);
if (!markedPromise) markedPromise = import("https://esm.sh/marked@14").then((mod: { marked: Marked }) => (marked = mod.marked));
return markedPromise;
}
function MarkdownContent({ ctx }: CanvasNodeContentProps) {
const [editing, setEditing] = useState(false);
// marked 就绪状态:已缓存则首帧即为 true,避免重渲染/重挂载时闪成空白
const [markedReady, setMarkedReady] = useState(Boolean(marked));
const value = ctx.node.metadata?.content || "";
useEffect(() => {
if (marked) return;
let alive = true;
loadMarked().then(() => alive && setMarkedReady(true));
return () => {
alive = false;
};
}, []);
// marked 就绪后同步计算 HTML(按 value 记忆),不再用异步 setState 填充,消除闪烁
const html = useMemo(() => (marked ? marked.parse(value || "*双击右上角按钮编辑 Markdown*") : ""), [value, markedReady]);
const toggle = { position: "absolute", right: 8, top: 8, zIndex: 20, width: 32, height: 32, display: "grid", placeItems: "center", borderRadius: 8, border: `1px solid ${ctx.theme.node.stroke}`, background: `${ctx.theme.toolbar.panel}dd`, color: ctx.theme.node.text, cursor: "pointer" } as const;
return (
<div data-canvas-no-zoom onMouseDown={(e) => e.stopPropagation()} style={{ position: "relative", height: "100%", width: "100%", display: "flex", flexDirection: "column" }}>
<button type="button" style={toggle} onClick={() => setEditing((v) => !v)} title={editing ? "预览" : "编辑"}>
{editing ? "👁" : "✎"}
</button>
{editing ? (
<textarea autoFocus value={value} placeholder="# 输入 Markdown" onChange={(e) => ctx.updateMetadata({ content: e.target.value })} onWheel={(e) => e.stopPropagation()} style={{ height: "100%", width: "100%", resize: "none", background: "transparent", padding: 16, fontFamily: "monospace", fontSize: 14, outline: "none", border: "none", color: ctx.theme.node.text }} />
) : (
<div className="cnv-md" onWheel={(e) => e.stopPropagation()} style={{ color: ctx.theme.node.text }} dangerouslySetInnerHTML={{ __html: html }} />
)}
</div>
);
}
export default definePlugin({
id: "markdown",
name: "Markdown 节点",
version: "1.0.0",
description: "在画布中编辑与渲染 Markdown",
css,
nodes: [
{
type: "markdown:doc",
title: "Markdown",
icon: "📝",
description: "编辑与渲染 Markdown",
defaultSize: { width: 360, height: 300 },
defaultMetadata: { content: "" },
minimapColor: "#6366f1",
resource: (node) => ({ kind: "text", text: node.metadata?.content }),
Content: MarkdownContent,
},
],
});
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{
"compilerOptions": {
"target": "es2020",
"module": "esnext",
"moduleResolution": "bundler",
"lib": ["dom", "dom.iterable", "esnext"],
"jsx": "react-jsx",
"jsxImportSource": "@infinite-canvas/plugin-sdk",
"strict": true,
"skipLibCheck": true,
"noEmit": true,
"esModuleInterop": true,
"isolatedModules": true,
"types": []
},
"include": ["src"]
}