Google signin button

gg-signin-button.js

// Function handle data response from sigin in action, use jwt to decode data
function handleCredentialResponse(response) {
  const responseDecode = jwt_decode(response.credential);
}
function initGGAuth() {
  google.accounts.id.initialize({
    client_id: CLIENT_ID,
    callback: handleCredentialResponse
  });
  google.accounts.id.renderButton(
    document.getElementById("gg-signin-btn"),
    { type: 'icon', shape: 'circle', theme: "outline", width: '48' }  // customization attributes
  );
}

window.onload = initGGAuth;