mirror of
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28 lines
701 B
HTML
28 lines
701 B
HTML
<!DOCTYPE html>
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<script>
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function ok(v, msg) {
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window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
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}
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var isDone = false;
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function done(reg) {
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if (!isDone) {
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ok(reg.waiting || reg.active,
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"Either active or waiting worker should be available.");
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window.parent.postMessage({status: "registrationdone"}, "*");
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isDone = true;
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}
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}
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navigator.serviceWorker.register("sw.js", {scope: "."})
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.then(function(registration) {
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if (registration.installing) {
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registration.installing.onstatechange = function(e) {
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done(registration);
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};
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} else {
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done(registration);
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}
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});
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</script>
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