Wrap the HTTP-502 AJAX in a Promise (0f55a4a8) · Commits · singing-chimes.co.uk / Wordpress Docker Image

data/502.html

+26 −10

Original line number	Diff line number	Diff line
		@@ -11,6 +11,21 @@
		<script>
		var check = false;

		function sleep(delay_ms) {
		return new Promise((resolve) => setTimeout(resolve, delay_ms));
		}

		function head(url) {
		return new Promise((resolve, reject) => {
		jQuery.ajax({
		url: url,
		method: 'HEAD',
		success: resolve,
		error: reject,
		});
		})
		}

		$(document).ready(function() {
		$('#checkModal')
		.on('hide.bs.modal', function() {
		@@ -19,16 +34,17 @@
		.on('shown.bs.modal', async function() {
		check = true;
		while (check) {
		await new Promise((resolve) => setTimeout(resolve, 1000));
		$.ajax('#')
		.done(function() {
		window.location.reload();
		})
		.fail(function(xhr) {
		if (xhr.status != 502) {
		window.location.reload();
		await sleep(1000);
		try {
		await head('#');
		} catch (err) {
		if (err.status === undefined)
		throw err;
		if (err.status == 502)
		continue;
		}
		});
		// non-502 code received
		window.location.reload();
		}
		})
		.modal('show');