72 lines
2 KiB
JavaScript
72 lines
2 KiB
JavaScript
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import { spawn } from "node:child_process";
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import { createWriteStream, readFileSync } from "node:fs";
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const CLAUDE_BIN = process.env.CLAUDE_BIN || "claude";
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/**
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* Run headless Claude Code and return the parsed JSON result.
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* The system prompt file is read and passed via --append-system-prompt so we don't
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* depend on the --append-system-prompt-file flag variant.
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*/
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export function runClaude({
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prompt,
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systemPromptFile,
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model,
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mcpConfig,
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allowedTools,
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addDirs = [],
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cwd,
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logFile,
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permissionMode = "acceptEdits", // bypassPermissions is blocked under root
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}) {
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return new Promise((resolve, reject) => {
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const args = [
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"-p",
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prompt,
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"--output-format",
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"json",
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"--permission-mode",
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permissionMode,
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];
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if (model) args.push("--model", model);
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if (systemPromptFile) {
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const sys = readFileSync(systemPromptFile, "utf8");
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args.push("--append-system-prompt", sys);
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}
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if (mcpConfig) args.push("--mcp-config", mcpConfig);
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if (allowedTools) args.push("--allowed-tools", allowedTools);
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for (const d of addDirs) args.push("--add-dir", d);
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const log = logFile ? createWriteStream(logFile, { flags: "a" }) : null;
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if (log) log.write(`\n\n===== ${new Date().toISOString()} claude run =====\n`);
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const child = spawn(CLAUDE_BIN, args, {
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cwd,
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env: process.env,
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stdio: ["ignore", "pipe", "pipe"],
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});
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let stdout = "";
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let stderr = "";
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child.stdout.on("data", (b) => {
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stdout += b;
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if (log) log.write(b);
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});
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child.stderr.on("data", (b) => {
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stderr += b;
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if (log) log.write(b);
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});
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child.on("error", reject);
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child.on("close", (code) => {
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if (log) log.end();
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if (code !== 0) {
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return reject(new Error(`claude exited ${code}: ${stderr.slice(-2000) || stdout.slice(-2000)}`));
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}
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try {
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resolve(JSON.parse(stdout));
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} catch {
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resolve({ result: stdout.trim(), raw: true });
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}
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});
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});
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}
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