【ハンズオン資料】IBM Bluemix OpenWhisk もくもく会 ref: http://qiita.com/joohounsong/items/ba4657549138b2fc47ba

hello.js

function main(params) {
   return {payload:  'Hello, ' + params.name + ' from ' + params.place};
}

weather.js

 var request = require('request');

 function main(msg) {
     var location = msg.location || 'Vermont';
     var url = 'https://query.yahooapis.com/v1/public/yql?q=select item.condition from weather.forecast where woeid in (select woeid from geo.places(1) where text="' + location + '")&format=json';

     request.get(url, function(error, response, body) {
         var condition = JSON.parse(body).query.results.channel.item.condition;
         var text = condition.text;
         var temperature = condition.temp;
         var output = 'It is ' + temperature + ' degrees in ' + location + ' and ' + text;
         whisk.done({msg: output});
     });

     return whisk.async();
 }