clown/lib/prompt.js

clown computing with pkgcloud

var read = require('read');

var log = require('./log');

module.exports = function prompt(path, schema, cb) {
  read({
    prompt: log.heading + ' ' + path.join('.') + ' ? >'
  }, function(err, res) {
    if (err) return cb(err);

    log.silly('prompt', 'result: `%s`', res); 
    switch (schema[Object.keys(schema)[0]]._type) {
      case 'number':
        log.silly('prompt', 'Typecasting `%s` to a number', res);
        res = parseFloat(res, 10);
    }

    cb(null, res);
  });
};