A Dart wrapper around the ResizeObserver Polyfill. Uses the
jsDart package to interop with the JS lib.
- main.dart
import 'dart:html';
import 'package:resize_observer_polyfill_wrapper/resize_observer_polyfill_wrapper.dart';
main() {
var ob = new ResizeObserver((entries, ob) {
for (var entry in entries) {
window.console.log(entry);
}
});
ob.observe(querySelector('#textarea'));
}- index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1">
<meta charset="utf-8">
<title>Virtual Tree</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<script defer src="main.dart" type="application/dart"></script>
<script defer src="packages/browser/dart.js"></script>
<!-- javascript -->
<script src="packages/resize_observer_polyfill_wrapper/resize_observer_polyfill.js"></script>
</head>
<body>
<textarea id="textarea"></textarea>
</body>
</html>