109 lines
2.6 KiB
Plaintext
109 lines
2.6 KiB
Plaintext
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#!/usr/bin/env node
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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2021 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 resolve = require( 'path' ).resolve;
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var readFileSync = require( '@stdlib/fs/read-file' ).sync;
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var CLI = require( '@stdlib/cli/ctor' );
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var stdin = require( '@stdlib/process/read-stdin' );
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var stdinStream = require( '@stdlib/streams/node/stdin' );
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var RE_EOL = require( '@stdlib/regexp/eol' ).REGEXP;
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var isRegExpString = require( '@stdlib/assert/is-regexp-string' );
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var reFromString = require( '@stdlib/utils/regexp-from-string' );
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var kebabcase = require( './../lib' );
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// MAIN //
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/**
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* Main execution sequence.
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*
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* @private
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* @returns {void}
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*/
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function main() {
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var split;
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var flags;
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var args;
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var cli;
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// Create a command-line interface:
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cli = new CLI({
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'pkg': require( './../package.json' ),
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'options': require( './../etc/cli_opts.json' ),
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'help': readFileSync( resolve( __dirname, '..', 'docs', 'usage.txt' ), {
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'encoding': 'utf8'
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})
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});
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// Get any provided command-line options:
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flags = cli.flags();
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if ( flags.help || flags.version ) {
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return;
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}
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// Get any provided command-line arguments:
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args = cli.args();
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// Check if we are receiving data from `stdin`...
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if ( !stdinStream.isTTY ) {
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if ( flags.split ) {
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if ( !isRegExpString( flags.split ) ) {
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flags.split = '/'+flags.split+'/';
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}
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split = reFromString( flags.split );
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} else {
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split = RE_EOL;
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}
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return stdin( onRead );
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}
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console.log( kebabcase( args[ 0 ] ) ); // eslint-disable-line no-console
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/**
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* Callback invoked upon reading from `stdin`.
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*
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* @private
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* @param {(Error|null)} error - error object
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* @param {Buffer} data - data
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* @returns {void}
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*/
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function onRead( error, data ) {
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var lines;
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var i;
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if ( error ) {
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return cli.error( error );
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}
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lines = data.toString().split( split );
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// Remove any trailing separators (e.g., trailing newline)...
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if ( lines[ lines.length-1 ] === '' ) {
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lines.pop();
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}
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for ( i = 0; i < lines.length; i++ ) {
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console.log( kebabcase( lines[ i ] ) ); // eslint-disable-line no-console
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}
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}
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}
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main();
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