text: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2022 The Stdlib Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  
  #include "TODO.h"
  #include <node_api.h>
  #include <stdint.h>
  #include <stdbool.h>
  #include <assert.h>
  
  /**
  * Receives JavaScript callback invocation data.
  *
  * @private
  * @param env    environment under which the function is invoked
  * @param info   callback data
  * @return       Node-API value
  */
  static napi_value addon( napi_env env, napi_callback_info info ) {
  	napi_status status;
  
  	// Get callback arguments:
  	size_t argc = 2;
  	napi_value argv[ 2 ];
  	status = napi_get_cb_info( env, info, &argc, argv, NULL, NULL );
  	assert( status == napi_ok );
  
  	// Check whether we were provided the correct number of arguments:
  	if ( argc < 2 ) {
  		status = napi_throw_error( env, NULL, "invalid invocation. Insufficient arguments." );
  		assert( status == napi_ok );
  		return NULL;
  	}
  	if ( argc > 2 ) {
  		status = napi_throw_error( env, NULL, "invalid invocation. Too many arguments." );
  		assert( status == napi_ok );
  		return NULL;
  	}
  
  	napi_valuetype vtype0;
  	status = napi_typeof( env, argv[ 0 ], &vtype0 );
  	assert( status == napi_ok );
  	if ( vtype0 != napi_number ) {
  		status = napi_throw_type_error( env, NULL, "invalid argument. First argument must be a number." );
  		assert( status == napi_ok );
  		return NULL;
  	}
  
  	napi_valuetype vtype1;
  	status = napi_typeof( env, argv[ 1 ], &vtype1 );
  	assert( status == napi_ok );
  	if ( vtype1 != napi_number ) {
  		status = napi_throw_type_error( env, NULL, "invalid argument. Second argument must be a number." );
  		assert( status == napi_ok );
  		return NULL;
  	}
  
  	double x;
  	status = napi_get_value_double( env, argv[ 0 ], &x );
  	assert( status == napi_ok );
  
  	double y;
  	status = napi_get_value_double( env, argv[ 1 ], &y );
  	assert( status == napi_ok );
  
  	double z = stdlib_TODO( x, y );
  
  	napi_value v;
  	status = napi_create_double( env, z, &v );
  	assert( status == napi_ok );
  
  	return v;
  }
  
  /**
  * Initializes a Node-API module.
  *
  * @private
  * @param env      environment under which the function is invoked
  * @param exports  exports object
  * @return         main export
  */
  static napi_value init( napi_env env, napi_value exports ) {
  	napi_value fcn;
  	napi_status status = napi_create_function( env, "exports", NAPI_AUTO_LENGTH, addon, NULL, &fcn );
  	assert( status == napi_ok );
  	return fcn;
  }
  
  NAPI_MODULE( NODE_GYP_MODULE_NAME, init )
  