Over the unsafe header restriction of Chrome apps using WSC.ChromeSocketXMLHttpRequest

example-WSC.ChromeSocketXMLHttpRequest.js

// First,
// $ git clone https://github.com/kzahel/web-server-chrome.git
// $ ./minimize.sh
// and ...
// load wsc-chrome.min.js in your html

function request(url, headers, cb) {
  let xhr = new WSC.ChromeSocketXMLHttpRequest;
  let headersLen = headers.length;
  let k, v;
  for (let i = 0; i < headersLen; i++) {
    [k, v] = headers[i];
    xhr.setRequestHeader(k, v);
  }
  xhr.open("GET", url);
  xhr.timeout = TIMEOUT;
  xhr.onload = xhr.onerror = xhr.ontimeout = function(evt) {
    console.log('xhr result:', evt);
    return cb(evt);
  }
  xhr.send();
}