86 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env node
 | |
| 
 | |
| /**
 | |
| * @license Apache-2.0
 | |
| *
 | |
| * Copyright (c) 2021 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 resolve = require( 'path' ).resolve;
 | |
| var readFileSync = require( '@stdlib/fs/read-file' ).sync;
 | |
| var CLI = require( '@stdlib/cli/ctor' );
 | |
| var resolveParentPath = require( './../lib' );
 | |
| 
 | |
| 
 | |
| // MAIN //
 | |
| 
 | |
| /**
 | |
| * Main execution sequence.
 | |
| *
 | |
| * @private
 | |
| * @returns {void}
 | |
| */
 | |
| function main() {
 | |
| 	var flags;
 | |
| 	var args;
 | |
| 	var opts;
 | |
| 	var cli;
 | |
| 
 | |
| 	// Create a command-line interface:
 | |
| 	cli = new CLI({
 | |
| 		'pkg': require( './../package.json' ),
 | |
| 		'options': require( './../etc/cli_opts.json' ),
 | |
| 		'help': readFileSync( resolve( __dirname, '..', 'docs', 'usage.txt' ), {
 | |
| 			'encoding': 'utf8'
 | |
| 		})
 | |
| 	});
 | |
| 
 | |
| 	// Get any provided command-line options:
 | |
| 	flags = cli.flags();
 | |
| 	if ( flags.help || flags.version ) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	// Get any provided command-line arguments:
 | |
| 	args = cli.args();
 | |
| 
 | |
| 	opts = {};
 | |
| 	if ( flags.dir ) {
 | |
| 		opts.dir = flags.dir;
 | |
| 	}
 | |
| 	resolveParentPath( args[ 0 ], opts, onPath );
 | |
| 
 | |
| 	/**
 | |
| 	* Callback invoked upon resolving a path.
 | |
| 	*
 | |
| 	* @private
 | |
| 	* @param {(Error|null)} error - error object
 | |
| 	* @param {string} path - resolved path
 | |
| 	* @returns {void}
 | |
| 	*/
 | |
| 	function onPath( error, path ) {
 | |
| 		if ( error ) {
 | |
| 			return cli.error( error );
 | |
| 		}
 | |
| 		console.log( path ); // eslint-disable-line no-console
 | |
| 	}
 | |
| }
 | |
| 
 | |
| main();
 |