forked from drowl87/hextra_mirror
72 lines
2.4 KiB
HTML
72 lines
2.4 KiB
HTML
{{- $lang := site.Language.LanguageCode | default `en` -}}
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{{- with site.Params.comments.giscus -}}
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<script>
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/*
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* "preferred color scheme" theme in giscus works using "prefers-color-scheme" in media query.
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* but, hugo's theme switch function works by using "color-theme" in local storage.
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* This solution was created with reference to:
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* https://github.com/giscus/giscus/issues/336#issuecomment-1214366281
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*/
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function getHugoTheme() {
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return localStorage.getItem("color-theme");
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}
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function getGiscusTheme() {
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let giscusTheme = "{{ (string .theme) | default `light` }}";
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if(getHugoTheme() == 'light') {
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return giscusTheme.replace('dark', 'light');
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} else {
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return giscusTheme.replace('light', 'dark');
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}
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}
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function setGiscusTheme() {
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function sendMessage(message) {
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const iframe = document.querySelector('iframe.giscus-frame');
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if (!iframe) return;
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iframe.contentWindow.postMessage({ giscus: message }, 'https://giscus.app');
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}
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sendMessage({
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setConfig: {
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theme: getGiscusTheme(),
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},
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});
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}
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document.addEventListener('DOMContentLoaded', function () {
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const giscusAttributes = {
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"src": "https://giscus.app/client.js",
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"data-repo": "{{ .repo }}",
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"data-repo-id": "{{ .repoId }}",
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"data-category": "{{ .category }}",
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"data-category-id": "{{ .categoryId }}",
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"data-mapping": "{{ .mapping | default `pathname` }}",
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"data-strict": "{{ (string .strict) | default 0 }}",
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"data-reactions-enabled": "{{ (string .reactionsEnabled) | default 1 }}",
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"data-emit-metadata": "{{ (string .emitMetadata) | default 0 }}",
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"data-input-position": "{{ .inputPosition | default `top` }}",
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"data-theme": getGiscusTheme(),
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"data-lang": "{{ .lang | default $lang }}",
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"crossorigin": "anonymous",
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"async": "",
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};
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// Dynamically create script tag
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const giscusScript = document.createElement("script");
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Object.entries(giscusAttributes).forEach(([key, value]) => giscusScript.setAttribute(key, value));
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document.getElementById('giscus').appendChild(giscusScript);
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// Update giscus theme when theme switcher is clicked
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const toggles = document.querySelectorAll(".theme-toggle");
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if (toggles) {
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toggles.forEach(toggle => toggle.addEventListener('click', setGiscusTheme));
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}
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});
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</script>
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<div id="giscus"></div>
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{{- else -}}
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{{ warnf "giscus is not configured" }}
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{{- end -}}
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