68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
/**
|
|
* @license Apache-2.0
|
|
*
|
|
* Copyright (c) 2019 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.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
// MODULES //
|
|
|
|
var native = require( 'fs' ).close;
|
|
var isNonNegativeInteger = require( '@stdlib/assert/is-nonnegative-integer' ).isPrimitive;
|
|
var isFunction = require( '@stdlib/assert/is-function' );
|
|
|
|
|
|
// MAIN //
|
|
|
|
/**
|
|
* Asynchronously closes a file descriptor.
|
|
*
|
|
* @param {NonNegativeInteger} fd - file descriptor
|
|
* @param {Function} clbk - callback to invoke after closing a file descriptor
|
|
* @throws {TypeError} first argument must be a valid file descriptor (nonnegative integer)
|
|
* @throws {TypeError} last argument must be a function
|
|
*
|
|
* @example
|
|
* var openSync = require( '@stdlib/fs/open' ).sync;
|
|
*
|
|
* function done( error ) {
|
|
* if ( error ) {
|
|
* throw error;
|
|
* }
|
|
* }
|
|
*
|
|
* var fd = openSync( __filename, 'r+' );
|
|
* if ( fd instanceof Error ) {
|
|
* throw fd;
|
|
* }
|
|
*
|
|
* close( fd, done );
|
|
*/
|
|
function close( fd, clbk ) { // eslint-disable-line stdlib/no-redeclare
|
|
if ( !isNonNegativeInteger( fd ) ) {
|
|
throw new TypeError( 'invalid argument. First argument must be a valid file descriptor (nonnegative integer). Value: `' + fd + '`.' );
|
|
}
|
|
if ( !isFunction( clbk ) ) {
|
|
throw new TypeError( 'invalid argument. Last argument must be a function. VAlue: `' + clbk + '`.' );
|
|
}
|
|
native( fd, clbk );
|
|
}
|
|
|
|
|
|
// EXPORTS //
|
|
|
|
module.exports = close;
|