elxr/index.js


// --------------
// elxr 
//   A cli tool for elixr.
const processedArgs = minimist(process.argv.slice(2));

var cli = 'elxr';
var ver = '#unversioned'; 
var help = '#unkown list of commands... please refer dveloper documentation for ' + cli;

nodeShellExec('echo', ['elxr'], { inherit : true}) //, {stdio: "inherit"}

var __runcmd = function(label){
    // var child = nodeShellExec('mkdir', ['-p', label], { inherit : true} );
    // console.log('Starting directory: ' + process.cwd());
    // try {
    //     child = child.on('close', () => { process.chdir(label) } );
    //     console.log('New directory: ' + process.cwd()); 
    // }
    // catch (err) {
    //     console.log('chdir: ' + err);
    // }
    // child.on('close', function(){
        // var options = {
        //       shell : true 
        //     , inherit : true
        //     // , cwd : '' + process.cwd
        //     // , env : process.env
        // };
        // nodeShellExec('git', ['init'], { inherit : true});
        nodeShellExec('pwd', { inherit : true});
        //$ "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --profile-directory="Profile 1" http://localhost:4200/tests/index.html?grep=loopback
        nodeShellExec("C:/Program Files (x86)/Google/Chrome/Application/chrome.exe", [
            "--profile-directory=Profile 1"
          , 'http://localhost:4200/tests/index.html?grep=model convert ember to loopback' + '&filter=none' /*+ '&filter=model convert ember to loopback'*/]);
        
        // nodeShellExec('npm', ['init', '-y'], options);
        // nodeShellExec('npm', ['init', '-y'], options);
    // })    
} 

__runcmd(processedArgs.label || processedArgs._[0] || (function(){ console.log(cli + ' ' + ver + ' ' + help); return '-h' } )());
// nodeShellExec('git', ['status']);

function nodeShellExec() {
    const { spawn } = require('child_process');
    const child = spawn(...arguments);

    // use child.stdout.setEncoding('utf8'); if you want text chunks
    child.stdout.setEncoding('utf8');
    console.log('here')

    child.stdout.on('data', (chunk) => console.log(chunk));

    child.on('error', (chunk) => console.error(chunk));
    child.stderr.pipe(process.stderr);

    child.on('close', (code) => console.log(`child process ${Array.from(arguments)[0]} exited with code ${code}`));
    return child;
}

// -------------------------------
// Command line option parsing
// -------------------------------
function minimist(args, opts) {
    if (!opts) opts = {};
    
    var flags = { bools : {}, strings : {}, unknownFn: null };

    if (typeof opts['unknown'] === 'function') {
        flags.unknownFn = opts['unknown'];
    }

    if (typeof opts['boolean'] === 'boolean' && opts['boolean']) {
      flags.allBools = true;
    } else {
      [].concat(opts['boolean']).filter(Boolean).forEach(function (key) {
          flags.bools[key] = true;
      });
    }
    
    var aliases = {};
    Object.keys(opts.alias || {}).forEach(function (key) {
        aliases[key] = [].concat(opts.alias[key]);
        aliases[key].forEach(function (x) {
            aliases[x] = [key].concat(aliases[key].filter(function (y) {
                return x !== y;
            }));
        });
    });

    [].concat(opts.string).filter(Boolean).forEach(function (key) {
        flags.strings[key] = true;
        if (aliases[key]) {
            flags.strings[aliases[key]] = true;
        }
     });

    var defaults = opts['default'] || {};
    
    var argv = { _ : [] };
    Object.keys(flags.bools).forEach(function (key) {
        setArg(key, defaults[key] === undefined ? false : defaults[key]);
    });
    
    var notFlags = [];

    if (args.indexOf('--') !== -1) {
        notFlags = args.slice(args.indexOf('--')+1);
        args = args.slice(0, args.indexOf('--'));
    }

    function argDefined(key, arg) {
        return (flags.allBools && /^--[^=]+$/.test(arg)) ||
            flags.strings[key] || flags.bools[key] || aliases[key];
    }

    function setArg (key, val, arg) {
        if (arg && flags.unknownFn && !argDefined(key, arg)) {
            if (flags.unknownFn(arg) === false) return;
        }

        var value = !flags.strings[key] && isNumber(val)
            ? Number(val) : val
        ;
        setKey(argv, key.split('.'), value);
        
        (aliases[key] || []).forEach(function (x) {
            setKey(argv, x.split('.'), value);
        });
    }

    function setKey (obj, keys, value) {
        var o = obj;
        keys.slice(0,-1).forEach(function (key) {
            if (o[key] === undefined) o[key] = {};
            o = o[key];
        });

        var key = keys[keys.length - 1];
        if (o[key] === undefined || flags.bools[key] || typeof o[key] === 'boolean') {
            o[key] = value;
        }
        else if (Array.isArray(o[key])) {
            o[key].push(value);
        }
        else {
            o[key] = [ o[key], value ];
        }
    }
    
    function aliasIsBoolean(key) {
      return aliases[key].some(function (x) {
          return flags.bools[x];
      });
    }

    for (var i = 0; i < args.length; i++) {
        var arg = args[i];
        
        if (/^--.+=/.test(arg)) {
            // Using [\s\S] instead of . because js doesn't support the
            // 'dotall' regex modifier. See:
            // http://stackoverflow.com/a/1068308/13216
            var m = arg.match(/^--([^=]+)=([\s\S]*)$/);
            var key = m[1];
            var value = m[2];
            if (flags.bools[key]) {
                value = value !== 'false';
            }
            setArg(key, value, arg);
        }
        else if (/^--no-.+/.test(arg)) {
            var key = arg.match(/^--no-(.+)/)[1];
            setArg(key, false, arg);
        }
        else if (/^--.+/.test(arg)) {
            var key = arg.match(/^--(.+)/)[1];
            var next = args[i + 1];
            if (next !== undefined && !/^-/.test(next)
            && !flags.bools[key]
            && !flags.allBools
            && (aliases[key] ? !aliasIsBoolean(key) : true)) {
                setArg(key, next, arg);
                i++;
            }
            else if (/^(true|false)$/.test(next)) {
                setArg(key, next === 'true', arg);
                i++;
            }
            else {
                setArg(key, flags.strings[key] ? '' : true, arg);
            }
        }
        else if (/^-[^-]+/.test(arg)) {
            var letters = arg.slice(1,-1).split('');
            
            var broken = false;
            for (var j = 0; j < letters.length; j++) {
                var next = arg.slice(j+2);
                
                if (next === '-') {
                    setArg(letters[j], next, arg)
                    continue;
                }
                
                if (/[A-Za-z]/.test(letters[j]) && /=/.test(next)) {
                    setArg(letters[j], next.split('=')[1], arg);
                    broken = true;
                    break;
                }
                
                if (/[A-Za-z]/.test(letters[j])
                && /-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) {
                    setArg(letters[j], next, arg);
                    broken = true;
                    break;
                }
                
                if (letters[j+1] && letters[j+1].match(/\W/)) {
                    setArg(letters[j], arg.slice(j+2), arg);
                    broken = true;
                    break;
                }
                else {
                    setArg(letters[j], flags.strings[letters[j]] ? '' : true, arg);
                }
            }
            
            var key = arg.slice(-1)[0];
            if (!broken && key !== '-') {
                if (args[i+1] && !/^(-|--)[^-]/.test(args[i+1])
                && !flags.bools[key]
                && (aliases[key] ? !aliasIsBoolean(key) : true)) {
                    setArg(key, args[i+1], arg);
                    i++;
                }
                else if (args[i+1] && /true|false/.test(args[i+1])) {
                    setArg(key, args[i+1] === 'true', arg);
                    i++;
                }
                else {
                    setArg(key, flags.strings[key] ? '' : true, arg);
                }
            }
        }
        else {
            if (!flags.unknownFn || flags.unknownFn(arg) !== false) {
                argv._.push(
                    flags.strings['_'] || !isNumber(arg) ? arg : Number(arg)
                );
            }
            if (opts.stopEarly) {
                argv._.push.apply(argv._, args.slice(i + 1));
                break;
            }
        }
    }
    
    Object.keys(defaults).forEach(function (key) {
        if (!hasKey(argv, key.split('.'))) {
            setKey(argv, key.split('.'), defaults[key]);
            
            (aliases[key] || []).forEach(function (x) {
                setKey(argv, x.split('.'), defaults[key]);
            });
        }
    });
    
    if (opts['--']) {
        argv['--'] = new Array();
        notFlags.forEach(function(key) {
            argv['--'].push(key);
        });
    }
    else {
        notFlags.forEach(function(key) {
            argv._.push(key);
        });
    }

    return argv;
};

function hasKey (obj, keys) {
    var o = obj;
    keys.slice(0,-1).forEach(function (key) {
        o = (o[key] || {});
    });

    var key = keys[keys.length - 1];
    return key in o;
}

function isNumber (x) {
    if (typeof x === 'number') return true;
    if (/^0x[0-9a-f]+$/i.test(x)) return true;
    return /^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x);
}