newo/src/hash.ts

NEWO CLI: Professional command-line tool with modular architecture for NEWO AI Agent development. Features IDN-based file management, real-time progress tracking, intelligent sync operations, and comprehensive multi-customer support.

import crypto from 'crypto';
import fs from 'fs-extra';
import { ensureState, hashesPath, HASHES_PATH } from './fsutil.js';
import type { HashStore } from './types.js';

export function sha256(str: string): string {
  return crypto.createHash('sha256').update(str, 'utf8').digest('hex');
}

export async function loadHashes(customerIdn?: string): Promise<HashStore> {
  if (customerIdn) {
    await ensureState(customerIdn);
    try {
      return await fs.readJson(hashesPath(customerIdn)) as HashStore;
    } catch (error: unknown) {
      if (error instanceof Error && 'code' in error && error.code === 'ENOENT') {
        return {};
      }
      throw error;
    }
  }
  
  // Legacy support
  try {
    return await fs.readJson(HASHES_PATH) as HashStore;
  } catch (error: unknown) {
    if (error instanceof Error && 'code' in error && error.code === 'ENOENT') {
      return {};
    }
    throw error;
  }
}

export async function saveHashes(hashes: HashStore, customerIdn?: string): Promise<void> {
  if (customerIdn) {
    await fs.writeJson(hashesPath(customerIdn), hashes, { spaces: 2 });
  } else {
    // Legacy support
    await fs.writeJson(HASHES_PATH, hashes, { spaces: 2 });
  }
}