PRA-only-demo/scripts/rpa-cli.ts

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/**
* rpa-core CLI host(任务 5.1):Node 直接拉起 createEngine() + WindowsDriver,
* 不经过 Electron,验证包的零宿主可运行性。
*
* 跑通 5 个代表能力(全部只读或落在临时目录,可重复执行):
* 1. 桌面(PowerShell user32):Window_GetActiveWindow —— 读前台窗口标题
* 2. Excel(exceljs): Excel_Cs_NewV5 —— 临时目录新建工作簿
* 3. HTTP(fetch): Http_Get —— GET 百度首页
* 4. 文件(fs): File_Write / File_Read
* 5. 窗口/屏幕(PowerShell): Window_GetScreenSize
*
* 运行:npm run rpa-cli
*/
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import {
createEngine,
capabilityCount,
getHandler,
registerAll,
type CapabilityHandler,
type RunContext
} from "@rpa/core";
import "@rpa/core/capabilities";
const ctx = {
runId: "rpa-cli",
flowId: "rpa-cli",
flow: { id: "rpa-cli", name: "rpa-cli", nodes: [], edges: [] },
vars: {},
secrets: {},
signal: new AbortController().signal,
evidenceDir: "",
log: (message: string) => console.log(" " + message),
componentOf: () => undefined
} as unknown as RunContext;
const node = (componentId: string) => ({ id: "rpa-cli", componentId, position: { x: 0, y: 0 }, values: {}, options: {} });
async function run(name: string, handler: CapabilityHandler, args: Record<string, unknown>): Promise<void> {
process.stdout.write(`[${name}] `);
const result = await handler(ctx, node(name), args, undefined as never);
console.log("OK ->", typeof result === "string" ? result.slice(0, 120) : JSON.stringify(result)?.slice(0, 200));
}
async function main(): Promise<void> {
const engine = createEngine();
await registerAll(engine);
console.log(`rpa-core CLI host:引擎已创建,注册能力 ${capabilityCount()} 个\n`);
const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "rpa-cli-"));
try {
await run("Window_GetActiveWindow", getHandler("Window_GetActiveWindow")!, {});
await run("Window_GetScreenSize", getHandler("Window_GetScreenSize")!, {});
await run("Excel_Cs_NewV5", getHandler("Excel_Cs_NewV5")!, { filePath: tmpDir, name: "rpa-cli-demo.xlsx" });
const file = path.join(tmpDir, "hello.txt");
await run("File_Write", getHandler("File_Write")!, { path: file, content: "hello from rpa-core CLI" });
await run("File_Read", getHandler("File_Read")!, { path: file });
await run("Http_Get", getHandler("Http_Get")!, { url: "https://www.baidu.com", timeout: 15 });
console.log("\n5 项代表能力全部通过 ✓");
} finally {
fs.rmSync(tmpDir, { recursive: true, force: true });
}
}
void main().catch((error) => {
console.error("\nCLI host 失败:", (error as Error).message);
process.exit(1);
});