fix(node): mirror official Gemini hooks
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@@ -0,0 +1,235 @@
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import assert from 'node:assert/strict';
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import { spawn } from 'node:child_process';
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import { mkdir, mkdtemp, readFile, rm, writeFile } from 'node:fs/promises';
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import http from 'node:http';
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import os from 'node:os';
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import path from 'node:path';
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import { pathToFileURL } from 'node:url';
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import { parse } from 'jsonc-parser';
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export const VALID_PRIVATE_KEY = Buffer.alloc(32).toString('base64url');
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export const pluginModuleUrl = pathToFileURL(path.resolve('dist/plugins/gemini.js')).href;
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export const registryModuleUrl = pathToFileURL(path.resolve('dist/plugins/registry.js')).href;
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export const ioModuleUrl = pathToFileURL(path.resolve('dist/plugins/gemini-io.js')).href;
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export const installationModuleUrl = pathToFileURL(
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path.resolve('dist/plugins/gemini-installation.js'),
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).href;
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export const cliPath = path.resolve('dist/cli.js');
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export function runProcess(command, args, env, cwd, input = '', unset = []) {
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return new Promise((resolve, reject) => {
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const childEnv = { ...process.env, ...env };
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for (const key of unset) delete childEnv[key];
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const child = spawn(command, args, {
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cwd,
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env: childEnv,
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stdio: ['pipe', 'pipe', 'pipe'],
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windowsHide: true,
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});
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let stdout = '';
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let stderr = '';
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child.stdout.on('data', (chunk) => { stdout += chunk; });
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child.stderr.on('data', (chunk) => { stderr += chunk; });
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child.once('error', reject);
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child.once('close', (code) => resolve({ code, stdout, stderr }));
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child.stdin.end(input);
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});
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}
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export function runNode(args, env, cwd, input = '', unset = []) {
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return runProcess(process.execPath, args, env, cwd, input, unset);
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}
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function windowsPowerShell() {
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return path.win32.join(
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process.env.SystemRoot || 'C:\\Windows',
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'System32',
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'WindowsPowerShell',
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'v1.0',
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'powershell.exe',
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);
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}
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export function runGeminiHook(handler, input, fixture, environment = {}) {
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const env = {
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HOME: fixture.homeDir,
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USERPROFILE: fixture.homeDir,
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GEMINI_CLI_HOME: fixture.geminiCliHomeOverride ?? '',
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...environment,
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};
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if (process.platform === 'win32') {
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return runProcess(
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windowsPowerShell(),
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[
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'-NoLogo',
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'-NoProfile',
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'-NonInteractive',
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'-Command',
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`${handler.command}; if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }`,
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],
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env,
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fixture.projectDir,
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input,
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);
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}
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return runProcess('/bin/bash', ['-c', handler.command], env, fixture.projectDir, input);
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}
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export async function writeSettings(filePath, value) {
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await mkdir(path.dirname(filePath), { recursive: true });
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const contents = typeof value === 'string' ? value : `${JSON.stringify(value, null, 2)}\n`;
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await writeFile(filePath, contents, { encoding: 'utf-8', mode: 0o600 });
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}
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export function parseSettings(raw) {
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const errors = [];
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const value = parse(raw, errors, {
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allowTrailingComma: false,
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disallowComments: false,
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});
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assert.deepEqual(errors, []);
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return value;
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}
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export async function readSettings(filePath) {
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const raw = await readFile(filePath, 'utf-8');
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return { raw, settings: parseSettings(raw) };
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}
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export function installConfig(fixture, overrides = {}) {
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return {
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agentName: 'gemini',
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orgId: 'org-1',
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agentId: 'agent-1',
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privateKey: VALID_PRIVATE_KEY,
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kid: 'kid-1',
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token: 'token-1',
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baseUrl: fixture.baseUrl,
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guardScriptPath: fixture.guardScriptPath,
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hookScriptPath: fixture.hookScriptPath,
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...overrides,
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};
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}
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export async function runPlugin(fixture, method, argument, environment = {}) {
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const source = `
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import { geminiPlugin } from ${JSON.stringify(pluginModuleUrl)};
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const argument = JSON.parse(process.env.ELYDORA_TEST_ARGUMENT);
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const result = await geminiPlugin[process.env.ELYDORA_TEST_METHOD](argument);
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if (result !== undefined) console.log(JSON.stringify(result));
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`;
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const env = {
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HOME: fixture.homeDir,
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USERPROFILE: fixture.homeDir,
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ELYDORA_TEST_ARGUMENT: JSON.stringify(argument),
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ELYDORA_TEST_METHOD: method,
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...environment,
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};
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const unset = [];
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if (fixture.geminiCliHomeOverride === undefined) unset.push('GEMINI_CLI_HOME');
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else env.GEMINI_CLI_HOME = fixture.geminiCliHomeOverride;
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return runNode(
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['--input-type=module', '--eval', source],
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env,
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fixture.projectDir,
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'',
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unset,
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);
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}
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export async function createFixture({
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baseUrl = 'http://127.0.0.1:9',
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settings,
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explicitGeminiHome = true,
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} = {}) {
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const rootDir = await mkdtemp(path.join(os.tmpdir(), 'elydora-gemini-'));
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const homeDir = path.join(
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rootDir,
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"home with spaces and 'quote $GEMINI_CWD %GEMINI_CWD%",
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);
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const projectDir = path.join(rootDir, 'project with spaces');
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const geminiCliHome = homeDir;
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const settingsPath = path.join(geminiCliHome, '.gemini', 'settings.json');
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const agentDir = path.join(homeDir, '.elydora', 'agent-1');
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const guardScriptPath = path.join(agentDir, 'guard.js');
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const hookScriptPath = path.join(agentDir, 'hook.js');
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await mkdir(projectDir, { recursive: true });
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if (settings !== undefined) await writeSettings(settingsPath, settings);
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const fixture = {
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agentDir,
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baseUrl,
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geminiCliHome,
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geminiCliHomeOverride: explicitGeminiHome ? geminiCliHome : undefined,
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guardScriptPath,
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homeDir,
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hookScriptPath,
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projectDir,
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rootDir,
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settingsPath,
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install(overrides = {}, environment = {}) {
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return runPlugin(this, 'install', installConfig(this, overrides), environment);
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},
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async close() {
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await rm(rootDir, { recursive: true, force: true });
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},
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};
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return fixture;
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}
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export function managedHandler(settings, event, name) {
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for (const group of settings.hooks?.[event] ?? []) {
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if (Object.keys(group).join('|') !== 'hooks' || !Array.isArray(group.hooks)) continue;
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const handler = group.hooks.find((candidate) => (
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Object.keys(candidate).sort().join('|') === 'command|name|timeout|type'
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&& candidate.type === 'command'
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&& candidate.name === name
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&& candidate.timeout === 10_000
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));
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if (handler) return handler;
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}
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return undefined;
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}
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export function assertManagedHandler(handler, name) {
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assert(handler);
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assert.deepEqual(Object.keys(handler).sort(), ['command', 'name', 'timeout', 'type']);
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assert.equal(handler.type, 'command');
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assert.equal(handler.name, name);
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assert.equal(handler.timeout, 10_000);
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assert.equal(typeof handler.command, 'string');
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}
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export function legacyHandler(scriptPath) {
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return { type: 'command', command: `node "${scriptPath}"` };
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}
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export async function startApiServer({ status = 'active', operationStatus = 201 } = {}) {
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const requests = [];
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const server = http.createServer(async (request, response) => {
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const chunks = [];
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for await (const chunk of request) chunks.push(chunk);
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const raw = Buffer.concat(chunks).toString('utf-8');
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requests.push({ headers: request.headers, method: request.method, url: request.url, raw });
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if (request.method === 'GET') {
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response.writeHead(200, { 'Content-Type': 'application/json' });
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response.end(JSON.stringify({ agent: { status } }));
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return;
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}
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response.writeHead(operationStatus, { 'Content-Type': 'application/json' });
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response.end(operationStatus >= 200 && operationStatus < 300
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? JSON.stringify({ operation: { accepted: true } })
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: JSON.stringify({ error: { code: 'UPSTREAM_FAILURE', message: 'failed' } }));
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});
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await new Promise((resolve, reject) => {
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server.once('error', reject);
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server.listen(0, '127.0.0.1', resolve);
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});
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const address = server.address();
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return {
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baseUrl: `http://127.0.0.1:${address.port}`,
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requests,
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close: () => new Promise((resolve, reject) => {
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server.close((error) => error ? reject(error) : resolve());
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}),
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};
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}
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