Merge pull request #349 from basil/remove-prototype

Replace Prototype.js with native JavaScript

src/main/webapp/js/warning.js

@@ -14,18 +14,27 @@ var InlineWarning = (function () {
 
  exports.start = function () {
  // Ignore when GH trigger unchecked
- if (!$$(options.input).first().checked) {
+ if (!document.querySelector(options.input).checked) {
  return;
  }
- new Ajax.PeriodicalUpdater(
- options.id,
- options.url,
- {
- method: 'get',
- frequency: 10,
- decay: 2
- }
- );
+ var frequency = 10;
+ var decay = 2;
+ var lastResponseText;
+ var fetchData = function () {
+ fetch(options.url).then((rsp) => {
+ rsp.text().then((responseText) => {
+ if (responseText !== lastResponseText) {
+ document.getElementById(options.id).innerHTML = responseText;
+ lastResponseText = responseText;
+ frequency = 10;
+ } else {
+ frequency *= decay;
+ }
+ setTimeout(fetchData, frequency * 1000);
+ });
+ });
+ };
+ fetchData();
  };
 
  return exports;