@stackmemoryai/stackmemory/dist/src/hooks/claude-code-whatsapp-hook.js

Project-scoped memory for AI coding tools. Durable context across sessions with MCP integration, frames, smart retrieval, Claude Code skills, and automatic hooks.

#!/usr/bin/env node
import { fileURLToPath as __fileURLToPath } from 'url';
import { dirname as __pathDirname } from 'path';
const __filename = __fileURLToPath(import.meta.url);
const __dirname = __pathDirname(__filename);
import { existsSync, readFileSync, writeFileSync } from "fs";
import { join } from "path";
import { homedir } from "os";
import { sendNotification, loadSMSConfig } from "./sms-notify.js";
import {
  getFrameDigestData,
  generateMobileDigest,
  loadSyncOptions
} from "./whatsapp-sync.js";
const STACKMEMORY_DIR = join(homedir(), ".stackmemory");
const INCOMING_REQUEST_PATH = join(
  STACKMEMORY_DIR,
  "sms-incoming-request.json"
);
const LATEST_RESPONSE_PATH = join(STACKMEMORY_DIR, "sms-latest-response.json");
const HOOK_STATE_PATH = join(STACKMEMORY_DIR, "claude-hook-state.json");
function loadHookState() {
  try {
    if (existsSync(HOOK_STATE_PATH)) {
      return JSON.parse(readFileSync(HOOK_STATE_PATH, "utf8"));
    }
  } catch {
  }
  return { toolCount: 0, significantChanges: false };
}
function saveHookState(state) {
  try {
    writeFileSync(HOOK_STATE_PATH, JSON.stringify(state, null, 2));
  } catch {
  }
}
function checkIncomingRequests() {
  try {
    if (!existsSync(INCOMING_REQUEST_PATH)) return null;
    const data = JSON.parse(
      readFileSync(INCOMING_REQUEST_PATH, "utf8")
    );
    if (data.processed) return null;
    return data;
  } catch {
    return null;
  }
}
function markRequestProcessed() {
  try {
    if (!existsSync(INCOMING_REQUEST_PATH)) return;
    const data = JSON.parse(readFileSync(INCOMING_REQUEST_PATH, "utf8"));
    data.processed = true;
    writeFileSync(INCOMING_REQUEST_PATH, JSON.stringify(data, null, 2));
  } catch {
  }
}
function getLatestResponse() {
  try {
    if (!existsSync(LATEST_RESPONSE_PATH)) return null;
    return JSON.parse(readFileSync(LATEST_RESPONSE_PATH, "utf8"));
  } catch {
    return null;
  }
}
async function sendDigest() {
  const data = await getFrameDigestData();
  if (!data) return;
  const options = loadSyncOptions();
  const digest = generateMobileDigest(data, options);
  await sendNotification({
    type: "context_sync",
    title: "Context Update",
    message: digest
  });
}
async function handlePreToolUse() {
  const state = loadHookState();
  state.toolCount++;
  if (state.toolCount % 5 === 0) {
    const incoming = checkIncomingRequests();
    if (incoming) {
      console.error(`
[WhatsApp] Message from ${incoming.from}:`);
      console.error(`  "${incoming.message}"`);
      console.error(`  (Received at ${incoming.timestamp})
`);
      markRequestProcessed();
    }
  }
  saveHookState(state);
}
async function handleStop() {
  const config = loadSMSConfig();
  if (!config.enabled) return;
  const state = loadHookState();
  console.error(`[WhatsApp] Session ended after ${state.toolCount} tool calls`);
  try {
    await sendDigest();
    console.error("[WhatsApp] Session digest sent");
  } catch (err) {
    console.error("[WhatsApp] Failed to send digest:", err);
  }
  saveHookState({ toolCount: 0, significantChanges: false });
}
async function handleNotification(input) {
  if (input.includes("[notify]") || input.includes("[whatsapp]")) {
    const message = input.replace(/\[notify\]|\[whatsapp\]/gi, "").trim();
    await sendNotification({
      type: "custom",
      title: "Claude",
      message: message.slice(0, 300)
    });
  }
}
async function pollForResponse(timeoutMs = 6e4) {
  const startTime = Date.now();
  const pollInterval = 2e3;
  while (Date.now() - startTime < timeoutMs) {
    const response = getLatestResponse();
    if (response) {
      const responseAge = Date.now() - new Date(response.timestamp).getTime();
      if (responseAge < 5e3) {
        return response.response;
      }
    }
    await new Promise((resolve) => setTimeout(resolve, pollInterval));
  }
  return null;
}
async function askViaWhatsApp(question, options) {
  const config = loadSMSConfig();
  if (!config.enabled) {
    console.error("[WhatsApp] Notifications not enabled");
    return null;
  }
  await sendNotification({
    type: "custom",
    title: "Claude Question",
    message: question,
    prompt: options ? {
      type: "options",
      options: options.map((o) => ({ ...o, action: o.key }))
    } : void 0
  });
  return pollForResponse(12e4);
}
async function main() {
  const args = process.argv.slice(2);
  const hookType = args[0];
  let input = "";
  if (!process.stdin.isTTY) {
    input = readFileSync(0, "utf8");
  }
  switch (hookType) {
    case "pre-tool":
    case "PreToolUse":
      await handlePreToolUse();
      break;
    case "stop":
    case "Stop":
      await handleStop();
      break;
    case "notification":
    case "Notification":
      await handleNotification(input);
      break;
    case "check":
      const incoming = checkIncomingRequests();
      if (incoming) {
        console.log(JSON.stringify(incoming));
      }
      break;
    case "send-digest":
      await sendDigest();
      break;
    case "poll":
      const response = await pollForResponse(parseInt(args[1] || "60000", 10));
      if (response) {
        console.log(response);
      }
      break;
    default:
      console.error("Usage: claude-code-whatsapp-hook.js <hook-type>");
      console.error(
        "Hook types: pre-tool, stop, notification, check, send-digest, poll"
      );
      process.exit(1);
  }
}
if (process.argv[1]?.includes("claude-code-whatsapp-hook")) {
  main().catch(console.error);
}
export {
  askViaWhatsApp
};
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