add demo-utils module

demo/demo-utils.js

@@ -0,0 +1,31 @@
+export function sortObject(obj) {
+  if(typeof obj !== 'object') {
+    return obj;
+  }
+  let temp = {};
+  let keys = [];
+  for(let key in obj) {
+    keys.push(key);
+  }
+  keys.sort();
+  for(let index in keys) {
+    temp[keys[index]] = sortObject(obj[keys[index]]);
+  }
+  return temp;
+}
+
+export function copyTextToClipboard(text) {
+  let textArea = document.createElement('textarea');
+  textArea.value = text;
+  document.body.appendChild(textArea);
+  textArea.select();
+  try {
+    let successful = document.execCommand('copy');
+    let msg = successful ? 'successful' : 'unsuccessful';
+    console.log('Copying text command was ' + msg);
+  } catch (err) {
+    console.log('Oops, unable to copy');
+  }
+  document.body.removeChild(textArea);
+}
+