denis-sokolov/multi-ssh

'use strict';

/**
 * Parse a list of arguments
 * @param Array list Only the parameters to the command, no argv[0]
 * {
 *   servers: [],
 *   command: []
 * }
 */
module.exports = function(list){
    if (list.length < 3) {
        throw new Error('Too few arguments');
    }
    var servers = [];
    var command = [];
    var readingServers = true;
    list.forEach(function(t){
        if (!readingServers) {
            command.push(t);
            return;
        }
        if (t === '--') {
            readingServers = false;
            return;
        }
        servers.push(t);
    });
    if (servers.length === 0) {
        throw new Error('servers not given');
    }
    if (command.length === 0) {
        throw new Error('command is not given');
    }
    return {
        servers: servers,
        command: command
    };
};