templating strings fun.

templating.js

//abusing templating strings part 1.

function _checkStatus(response){
  if(response.status >= 200 && response.status < 300){
    return response;
  }else{
    var error = new Error(response.statusText);
    throw error;
  }
}

function _parseJSON(response){
  return response.json();
}

function GET(strings, ...values){

  return new Promise(function(resolve, reject){

    if(strings.length === 1 && strings[0] === '') return reject(new Error('no path defined'));

    var path = strings[0];

    for (var i = 0; i < values.length; ++i){
      path += values[i] + strings[i + 1];
    }

    fetch(path)
      .then(_checkStatus)
      .then(_parseJSON)
      .then((data) => {
        return resolve(data);
      })
      .catch((error) => {
        return reject(error);
      });

  });

}

function init(){
  
  var route = 'people';
  GET`http://localhost:3000/data/${route}.json`
    .then((data) => console.log(data))
    .catch((error) => console.log(error));

}

init();