111 lines
2.3 KiB
JavaScript
Executable File
111 lines
2.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
|
|
|
|
/**
|
|
* @license Apache-2.0
|
|
*
|
|
* Copyright (c) 2018 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 stdin = require( '@stdlib/process/read-stdin' );
|
|
var cwd = require( '@stdlib/process/cwd' );
|
|
var writeFile = require( './../lib' );
|
|
|
|
|
|
// MAIN //
|
|
|
|
/**
|
|
* Main execution sequence.
|
|
*
|
|
* @private
|
|
* @returns {void}
|
|
*/
|
|
function main() {
|
|
var flags;
|
|
var fpath;
|
|
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.encoding ) {
|
|
opts.encoding = flags.encoding;
|
|
}
|
|
if ( flags.flag ) {
|
|
opts.flag = flags.flag;
|
|
}
|
|
if ( flags.mode ) {
|
|
opts.mode = parseInt( flags.mode, 8 );
|
|
}
|
|
fpath = resolve( cwd(), args[ 0 ] );
|
|
|
|
// Gather data from `stdin`...
|
|
return stdin( onRead );
|
|
|
|
/**
|
|
* Callback invoked upon reading from `stdin`.
|
|
*
|
|
* @private
|
|
* @param {(Error|null)} error - error object
|
|
* @param {Buffer} data - data
|
|
* @returns {void}
|
|
*/
|
|
function onRead( error, data ) {
|
|
if ( error ) {
|
|
return cli.error( error );
|
|
}
|
|
writeFile( fpath, data, opts, onWrite );
|
|
}
|
|
|
|
/**
|
|
* Callback invoked upon writing a file.
|
|
*
|
|
* @private
|
|
* @param {Error} [error] - error object
|
|
* @returns {void}
|
|
*/
|
|
function onWrite( error ) {
|
|
if ( error ) {
|
|
return cli.error( error );
|
|
}
|
|
}
|
|
}
|
|
|
|
main();
|