embark/lib/console.js

54 lines
1.5 KiB
JavaScript

var Web3 = require('web3');
var utils = require('./utils.js');
var Console = function(options) {
this.plugins = options.plugins;
this.version = options.version;
};
Console.prototype.runCode = function(code) {
eval(code); // jshint ignore:line
};
Console.prototype.executeCmd = function(cmd, callback) {
var plugin, pluginOutput;
var plugins = this.plugins.getPluginsFor('console');
for (var i = 0; i < plugins.length; i++) {
plugin = plugins[i];
pluginOutput = plugin.runCommands(cmd, {});
if (pluginOutput !== false && pluginOutput !== 'false') return callback(pluginOutput);
}
if (cmd === 'help') {
var helpText = [
'Welcome to Embark ' + this.version,
'',
'possible commands are:',
// TODO: only if the blockchain is actually active!
// will need to pass te current embark state here
'web3 - instantiated web3.js object configured to the current environment',
'quit - to immediatly exit',
'',
'The web3 object and the interfaces for the deployed contrats and their methods are also available'
];
return callback(helpText.join('\n'));
} else if (cmd === 'quit') {
utils.exit();
}
try {
var result = eval(cmd); // jshint ignore:line
return callback(result);
}
catch(e) {
if (e.message.indexOf('not defined') > 0) {
return callback(("error: " + e.message).red + ("\nType " + "help".bold + " to see the list of available commands").cyan);
} else {
return callback(e.message);
}
}
};
module.exports = Console;