68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2019 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var native = require( 'fs' ).close;
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var isNonNegativeInteger = require( '@stdlib/assert/is-nonnegative-integer' ).isPrimitive;
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var isFunction = require( '@stdlib/assert/is-function' );
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// MAIN //
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/**
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* Asynchronously closes a file descriptor.
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*
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* @param {NonNegativeInteger} fd - file descriptor
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* @param {Function} clbk - callback to invoke after closing a file descriptor
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* @throws {TypeError} first argument must be a valid file descriptor (nonnegative integer)
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* @throws {TypeError} last argument must be a function
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*
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* @example
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* var openSync = require( '@stdlib/fs/open' ).sync;
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*
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* function done( error ) {
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* if ( error ) {
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* throw error;
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* }
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* }
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*
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* var fd = openSync( __filename, 'r+' );
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* if ( fd instanceof Error ) {
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* throw fd;
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* }
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*
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* close( fd, done );
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*/
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function close( fd, clbk ) { // eslint-disable-line stdlib/no-redeclare
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if ( !isNonNegativeInteger( fd ) ) {
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throw new TypeError( 'invalid argument. First argument must be a valid file descriptor (nonnegative integer). Value: `' + fd + '`.' );
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}
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if ( !isFunction( clbk ) ) {
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throw new TypeError( 'invalid argument. Last argument must be a function. VAlue: `' + clbk + '`.' );
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}
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native( fd, clbk );
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}
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// EXPORTS //
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module.exports = close;
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