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fix: windows下执行spawn报错 #517

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fix: windows下执行spawn报错 #517

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bf84530
fix: windows下执行spawn报错
shijie-todd Apr 9, 2026
c6378f3
fix: 修复spawn入参被切断
shijie-todd Apr 10, 2026
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118 changes: 112 additions & 6 deletions packages/core/src/server/ai-provider-claude.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,35 @@ interface ClaudeCliInputMessage {
const INLINE_IMAGE_DATA_URL_REGEX =
/data:(image\/[a-zA-Z0-9.+-]+);base64,([A-Za-z0-9+/=]+)/g;

const CLAUDE_MODEL_LOG_MAX_CHARS = 1800;

function truncateForLog(text: string, max = CLAUDE_MODEL_LOG_MAX_CHARS): string {
if (!text) return '';
if (text.length <= max) return text;
return `${text.slice(0, max)}...[truncated ${text.length - max} chars]`;
}

function stringifyForLog(value: unknown): string {
if (typeof value === 'string') {
return truncateForLog(value);
}
try {
return truncateForLog(JSON.stringify(value));
} catch {
return truncateForLog(String(value));
}
}

function logClaudeModelIO(stage: string, payload: unknown): void {
const prefix = chalk.gray('[claude-model-io]');
const output = stringifyForLog(payload);
if (output) {
console.log(`${prefix} ${stage}: ${output}`);
} else {
console.log(`${prefix} ${stage}`);
}
}

function stripInlineImageDataUrls(text: string): string {
return text.replace(
INLINE_IMAGE_DATA_URL_REGEX,
Expand Down Expand Up @@ -235,12 +264,20 @@ export async function getModelInfo(

try {
const model = await new Promise<string>((resolve) => {
const probeArgs = ['-p', 'hi', '--output-format', 'stream-json', '--verbose'];
const probeUseShell = cliPathNeedsShellSpawnOnWindows(cliPath);
logClaudeModelIO('probe.spawn', {
cliPath,
args: probeArgs,
shell: probeUseShell,
});
const child = spawn(
cliPath,
['-p', 'hi', '--output-format', 'stream-json', '--verbose'],
probeArgs,
{
stdio: ['pipe', 'pipe', 'pipe'],
env: getEnvVars(),
...(probeUseShell ? { shell: true } : {}),
},
);
child.stdin?.end();
Expand All @@ -258,6 +295,7 @@ export async function getModelInfo(

for (const line of lines) {
if (!line.trim()) continue;
logClaudeModelIO('probe.stdout', line);
try {
const event = JSON.parse(line);
if (event.type === 'system' && event.model) {
Expand Down Expand Up @@ -537,6 +575,42 @@ export function handleClaudeRequest(
/** 缓存的 CLI 路径 */
let cachedCliPath: string | null | undefined = undefined;

/**
* Windows 上 `where claude` 常指向 npm 目录里无后缀的 `claude`（实为 Unix shell 脚本）。
* `child_process.spawn` 无法将其作为可执行文件启动，会报 ENOENT；同目录下的 `claude.cmd` 才是可 spawn 的入口。
*/
function normalizeClaudeCliPathForWindowsSpawn(resolvedPath: string): string {
if (process.platform !== 'win32') {
return resolvedPath;
}
const ext = path.extname(resolvedPath).toLowerCase();
if (
ext === '.cmd' ||
ext === '.bat' ||
ext === '.exe' ||
ext === '.com' ||
ext === '.ps1'
) {
return resolvedPath;
}
if (path.basename(resolvedPath) !== 'claude') {
return resolvedPath;
}
const cmdPath = path.join(path.dirname(resolvedPath), 'claude.cmd');
return fs.existsSync(cmdPath) ? cmdPath : resolvedPath;
}

/**
* Windows 上不能直接 spawn `.cmd`/`.bat`/`.ps1`（会 EINVAL），需 `shell: true` 经 cmd 解释。
*/
function cliPathNeedsShellSpawnOnWindows(cliPath: string): boolean {
if (process.platform !== 'win32') {
return false;
}
const ext = path.extname(cliPath).toLowerCase();
return ext === '.cmd' || ext === '.bat' || ext === '.ps1';
}

/**
* 查找本地 Claude Code CLI 路径
*/
Expand All @@ -553,7 +627,8 @@ function findClaudeCodeCli(): string | null {
stdio: ['pipe', 'pipe', 'pipe'],
}).trim();
if (result) {
cachedCliPath = result.split('\n')[0];
const first = result.split(/\r?\n/)[0].trim();
cachedCliPath = normalizeClaudeCliPathForWindowsSpawn(first);
return cachedCliPath;
}
} catch {
Expand All @@ -571,7 +646,7 @@ function findClaudeCodeCli(): string | null {

for (const p of possiblePaths) {
if (fs.existsSync(p)) {
cachedCliPath = p;
cachedCliPath = normalizeClaudeCliPathForWindowsSpawn(p);
return cachedCliPath;
}
}
Expand All @@ -596,7 +671,16 @@ function queryViaCli(
onSessionId?: (id: string) => void,
): ChildProcess {
const opts = getClaudeCliOptions(aiOptions);
const args = inputMessage
// On Windows with shell spawning, long multiline prompt passed as CLI args can
// be mangled by cmd parsing. Force stream-json stdin input to avoid arg parsing issues.
const forceStreamInputOnWindows = process.platform === 'win32';
const effectiveInputMessage =
inputMessage ||
(forceStreamInputOnWindows
? buildClaudeCliInputMessage(prompt, [], sessionId)
: undefined);

const args = effectiveInputMessage
? [
'-p',
'--output-format',
Expand Down Expand Up @@ -661,15 +745,28 @@ function queryViaCli(
}

const env = { ...getEnvVars(), ...opts?.env };
const useShell = cliPathNeedsShellSpawnOnWindows(cliPath);
logClaudeModelIO('cli.spawn', {
cliPath,
args,
cwd,
shell: useShell,
hasInputMessage: Boolean(effectiveInputMessage),
promptPreview: effectiveInputMessage ? '[sent via stream-json stdin]' : prompt,
});

const child = spawn(cliPath, args, {
cwd,
env,
stdio: ['pipe', 'pipe', 'pipe'],
...(useShell ? { shell: true } : {}),
});

if (inputMessage) {
child.stdin?.write(`${JSON.stringify(inputMessage)}\n`);
if (effectiveInputMessage) {
logClaudeModelIO('cli.stdin', effectiveInputMessage);
child.stdin?.write(`${JSON.stringify(effectiveInputMessage)}\n`);
} else {
logClaudeModelIO('cli.prompt', prompt);
}
child.stdin?.end();

Expand All @@ -689,6 +786,7 @@ function queryViaCli(

for (const line of lines) {
if (!line.trim()) continue;
logClaudeModelIO('cli.stdout', line);

try {
const event = JSON.parse(line);
Expand Down Expand Up @@ -997,10 +1095,17 @@ async function queryViaSdk(
}

const queryOptions = buildSdkQueryOptions(aiOptions, cwd, sessionId);
logClaudeModelIO('sdk.query.options', queryOptions);
if (typeof prompt === 'string') {
logClaudeModelIO('sdk.query.prompt', prompt);
} else {
logClaudeModelIO('sdk.query.prompt', '[async iterable multimodal input]');
}
if (typeof queryOptions.stderr !== 'function') {
queryOptions.stderr = (data: string) => {
const text = String(data || '').trim();
if (text) {
logClaudeModelIO('sdk.stderr', text);
sendSSE({ type: 'info', message: text });
}
};
Expand Down Expand Up @@ -1042,6 +1147,7 @@ async function queryViaSdk(

try {
for await (const sdkMessage of conversation) {
logClaudeModelIO('sdk.event', sdkMessage);
if (isAborted()) {
conversation.interrupt();
break;
Expand Down
2 changes: 1 addition & 1 deletion packages/core/types/server/ai-provider-claude.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,7 @@ declare function findClaudeCodeCli(): string | null;
*/
declare function queryViaCli(cliPath: string, prompt: string, inputMessage: ClaudeCliInputMessage | undefined, cwd: string, aiOptions: ClaudeCodeOptions | undefined, onData: (data: string) => void, onError: (error: string) => void, onEnd: () => void, sessionId?: string, onSessionId?: (id: string) => void): ChildProcess;
declare function getClaudeQuery(): Promise<Function | null>;
declare function setupSdkEnvironment(aiOptions?: ClaudeCodeOptions): void;
declare function setupSdkEnvironment(aiOptions?: ClaudeCodeOptions): () => void;
declare function buildSdkQueryOptions(aiOptions: ClaudeCodeOptions | undefined, cwd: string, sessionId?: string): Record<string, any>;
declare function queryViaSdk(prompt: string | AsyncIterable<any>, cwd: string, aiOptions: ClaudeCodeOptions | undefined, sessionId: string | undefined, sendSSE: (data: object | string) => void, isAborted: () => boolean): Promise<{
timedOut: boolean;
Expand Down