Robb Shecter 27a70e4c12
Cleanup
2024-04-15 18:53:50 -06:00

85 lines
2.7 KiB
HTML

{{ $default_chinese := "zh-CN" }}
{{ $sl := site.Language }}
{{ $giscus_lang := $sl.Lang | default `en` }}
{{/*
Special case for Chinese.
Giscus uses the geophraphical language code for these.
See: https://github.com/giscus/giscus/tree/main/locales
*/}}
{{ if eq $giscus_lang "zh" }}
{{/* Create a code formatted for Giscus: zh-CN or zn-TW. */}}
{{ $code := lower $sl.LanguageCode }}
{{ if (hasSuffix $code "-cn") }}
{{ $giscus_lang = "zh-CN" }}
{{ else if (hasSuffix $code "-tw") }}
{{ $giscus_lang = "zh-TW" }}
{{ else }}
{{ $giscus_lang = $default_chinese }}
{{ end }}
{{ end }}
{{- with site.Params.comments.giscus -}}
<script>
/*
* "preferred color scheme" theme in giscus works using "prefers-color-scheme" in media query.
* but, hugo's theme switch function works by using "color-theme" in local storage.
* This solution was created with reference to:
* https://github.com/giscus/giscus/issues/336#issuecomment-1214366281
*/
function getGiscusTheme() {
return localStorage.getItem("color-theme");
}
function setGiscusTheme() {
function sendMessage(message) {
const iframe = document.querySelector('iframe.giscus-frame');
if (!iframe) return;
iframe.contentWindow.postMessage({ giscus: message }, 'https://giscus.app');
}
sendMessage({
setConfig: {
theme: getGiscusTheme(),
},
});
}
document.addEventListener('DOMContentLoaded', function () {
const giscusAttributes = {
"src": "https://giscus.app/client.js",
"data-repo": "{{ .repo }}",
"data-repo-id": "{{ .repoId }}",
"data-category": "{{ .category }}",
"data-category-id": "{{ .categoryId }}",
"data-mapping": "{{ .mapping | default `pathname` }}",
"data-strict": "{{ (string .strict) | default 0 }}",
"data-reactions-enabled": "{{ (string .reactionsEnabled) | default 1 }}",
"data-emit-metadata": "{{ (string .emitMetadata) | default 0 }}",
"data-input-position": "{{ .inputPosition | default `top` }}",
"data-theme": getGiscusTheme(),
"data-lang": "{{ .lang | default $giscus_lang }}",
"crossorigin": "anonymous",
"async": "",
};
// Dynamically create script tag
const giscusScript = document.createElement("script");
Object.entries(giscusAttributes).forEach(([key, value]) => giscusScript.setAttribute(key, value));
document.getElementById('giscus').appendChild(giscusScript);
// Update giscus theme when theme switcher is clicked
const toggles = document.querySelectorAll(".theme-toggle");
if (toggles) {
toggles.forEach(toggle => toggle.addEventListener('click', setGiscusTheme));
}
});
</script>
<div id="giscus"></div>
{{- else -}}
{{ warnf "giscus is not configured" }}
{{- end -}}