parseCommands

gistfile1.js

exports.parseCommands = function parseCommands(post, events, callback) {
    if (typeof callback !== 'function'){
        throw new Error('callback must be supplied');
    }
    if (!events || typeof events.emit !== 'function'){
        throw new Error('events must be supplied');
    }
    if (!post ||!post.raw){
        callback(null, []);
        return;
    }
    const commands = post.raw.split('\n').map((line) => line.replace(/\s+$/, '')).map((line) => {
        if (line[0] === '!') {
            return parseShortCommand(line);
        } else {
            return parseMentionCommand(line);
        }
    }).filter((command) => !!command);
    commands.forEach((command) => {
        setImmediate(() => {
            command.post = post;
            const handled = events.emit('command#' + command.command, command);
            if (!handled && !command.mention) {
                if (!events.emit('command#ERROR', command)) {
                    events.emit('error', new Error('command `' + command.command + '` was unhandled.'));
                }
            }
        });
    });
    callback(null, commands);
};