Function hashAPI

javascript/lib.c:315–349

}

napi_value hashAPI(napi_env env, napi_callback_info info) {
    size_t argc = 2;
    napi_value args[2];
    napi_get_cb_info(env, info, &argc, args, NULL, NULL);

    // Get buffer info for data (zero-copy)
    void *buffer_data;
    size_t buffer_length;
    napi_status status = napi_get_buffer_info(env, args[0], &buffer_data, &buffer_length);
    if (status != napi_ok) {
        napi_throw_error(env, NULL, "First argument must be a Buffer");
        return NULL;
    }

    // Get optional seed parameter (default to 0)
    sz_u64_t seed = 0;
    if (argc > 1) {
        bool lossless;
        napi_get_value_bigint_uint64(env, args[1], &seed, &lossless);
        if (!lossless) {
            // Try regular number if BigInt fails
            double seed_double;
            if (napi_get_value_double(env, args[1], &seed_double) == napi_ok) { seed = (sz_u64_t)seed_double; }
        }
    }

    // Compute hash using StringZilla
    sz_u64_t hash_result = sz_hash((sz_cptr_t)buffer_data, buffer_length, seed);

    // Convert result to JavaScript BigInt
    napi_value js_result;
    napi_create_bigint_uint64(env, hash_result, &js_result);

    return js_result;
}

static void hasher_cleanup(napi_env env, void *data, void *hint) { free(data); }
typedef struct {