mirror of
https://github.com/nlepage/go-wasm-http-server.git
synced 2025-03-11 01:29:11 +00:00
33 lines
971 B
HTML
33 lines
971 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>go-wasm-http-server hello demo</title>
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<script>
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navigator.serviceWorker.register('sw.js')
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.then(registration => {
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const serviceWorker = registration.installing ?? registration.waiting ?? registration.active
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if (serviceWorker.state === 'activated') {
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startEventSource()
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} else {
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serviceWorker.addEventListener('statechange', e => {
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if (e.target.state === 'activated') startEventSource()
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})
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}
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})
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function startEventSource() {
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const es = new EventSource('/api/events')
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es.addEventListener('ping', (e) => {
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const p = document.createElement('p')
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p.textContent = `ping: data=${e.data}`
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document.body.append(p)
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})
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window.addEventListener('unload', () => {
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es.close()
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})
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}
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</script>
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</head>
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<body></body>
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</html>
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