embark/cmd/dashboard/console.js

71 lines
2.5 KiB
JavaScript

let utils = require('../../lib/utils/utils.js');
class Console {
constructor(options) {
this.events = options.events;
this.plugins = options.plugins;
this.version = options.version;
this.logger = options.logger;
this.ipc = options.ipc;
if (this.ipc.isServer()) {
this.ipc.on('console:executeCmd', this.executeCmd.bind(this));
}
}
processEmbarkCmd (cmd) {
if (cmd === 'help' || cmd === __('help')) {
let helpText = [
__('Welcome to Embark') + ' ' + this.version,
'',
__('possible commands are:'),
'versions - ' + __('display versions in use for libraries and tools like web3 and solc'),
// TODO: only if the blockchain is actually active!
// will need to pass te current embark state here
'ipfs - ' + __('instantiated js-ipfs object configured to the current environment (available if ipfs is enabled)'),
'web3 - ' + __('instantiated web3.js object configured to the current environment'),
'quit - ' + __('to immediatly exit (alias: exit)'),
'',
__('The web3 object and the interfaces for the deployed contracts and their methods are also available')
];
return helpText.join('\n');
} else if (['quit', 'exit', 'sair', 'sortir', __('quit')].indexOf(cmd) >= 0) {
utils.exit();
}
return false;
}
executeCmd(cmd, callback) {
var pluginCmds = this.plugins.getPluginsProperty('console', 'console');
for (let pluginCmd of pluginCmds) {
let pluginResult = pluginCmd.call(this, cmd, {});
if(typeof pluginResult !== 'object'){
if (pluginResult !== false && pluginResult !== 'false' && pluginResult !== undefined) {
this.logger.warn("[DEPRECATED] In future versions of embark, we expect the console command to return an object " +
"having 2 functions: match and process. The documentation with example can be found here: https://embark.status.im/docs/plugin_reference.html#embark-registerConsoleCommand-callback-options");
return callback(null, pluginResult);
}
} else if (pluginResult.match()) {
return pluginResult.process(callback);
}
}
let output = this.processEmbarkCmd(cmd);
if (output) {
return callback(null, output);
}
try {
this.events.request('runcode:eval', cmd, callback);
}
catch (e) {
if (this.ipc.connected && this.ipc.isClient()) {
return this.ipc.request('console:executeCmd', cmd, callback);
}
callback(e);
}
}
}
module.exports = Console;