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1 change: 1 addition & 0 deletions book-example/book.toml
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ language = "en"

[output.html]
mathjax-support = true
offline-support = true

[output.html.playpen]
editable = true
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4 changes: 4 additions & 0 deletions src/renderer/html_handlebars/hbs_renderer.rs
Original file line number Diff line number Diff line change
Expand Up @@ -548,6 +548,10 @@ fn make_data(
)
}

if html_config.offline_support {
data.insert("offline_support".to_owned(), json!(true));
}

if let Some(ref git_repository_url) = html_config.git_repository_url {
data.insert("git_repository_url".to_owned(), json!(git_repository_url));
}
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14 changes: 10 additions & 4 deletions src/theme/book.js
Original file line number Diff line number Diff line change
Expand Up @@ -600,9 +600,15 @@ function playpen_text(playpen) {
var isLocalhost =
["localhost", "127.0.0.1", ""].indexOf(document.location.hostname) !== -1;

if ("serviceWorker" in navigator && !isLocalhost) {
navigator.serviceWorker.register("sw.js").catch(function(error) {
console.error("Service worker registration failed:", error);
});
if (
window.sevice_worker_script_src &&
"serviceWorker" in navigator &&
!isLocalhost
) {
navigator.serviceWorker
.register(window.sevice_worker_script_src)
.catch(function(error) {
console.error("Service worker registration failed:", error);
});
}
})();
9 changes: 8 additions & 1 deletion src/theme/index.hbs
Original file line number Diff line number Diff line change
Expand Up @@ -235,7 +235,7 @@
window.playpen_line_numbers = true;
</script>
{{/if}}

{{#if playpen_copyable}}
<script type="text/javascript">
window.playpen_copyable = true;
Expand All @@ -256,6 +256,13 @@
<script src="{{ path_to_root }}searcher.js" type="text/javascript" charset="utf-8"></script>
{{/if}}

{{#if offline_support}}
<script type="text/javascript">
// Must insert before loading book.js
window.sevice_worker_script_src = "{{ path_to_root }}sw.js";
</script>
{{/if}}

<script src="{{ path_to_root }}clipboard.min.js" type="text/javascript" charset="utf-8"></script>
<script src="{{ path_to_root }}highlight.js" type="text/javascript" charset="utf-8"></script>
<script src="{{ path_to_root }}book.js" type="text/javascript" charset="utf-8"></script>
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