feat: add disqus and commento comments providers

quartz.config.ts

@@ -52,6 +52,9 @@ const config: QuartzConfig = {
         },
       },
     },
+    comments: {
+      provider: "commento",
+    },
   },
   plugins: {
     transformers: [

quartz/cfg.ts

@@ -43,6 +43,31 @@ export type Analytics =
       projectId?: string
     }
 
+export type Comments =
+  | null
+  | {
+      provider: "giscus"
+      repo: `${string}/${string}`
+      repoId: string
+      category: string
+      categoryId: string
+      mapping?: "url" | "title" | "og:title" | "specific" | "number" | "pathname"
+      strict?: boolean
+      reactionsEnabled?: boolean
+      inputPosition?: "top" | "bottom"
+    }
+  | {
+      provider: "commento"
+      host?: string
+      cssOverride?: string
+      noFonts?: boolean
+      hideDeleted?: boolean
+    }
+  | {
+      provider: "disqus"
+      shortName: string
+    }
+
 export interface GlobalConfiguration {
   pageTitle: string
   pageTitleSuffix?: string
@@ -56,6 +81,8 @@ export interface GlobalConfiguration {
   ignorePatterns: string[]
   /** Whether to use created, modified, or published as the default type of date */
   defaultDateType: ValidDateType
+  /** Comments for page */
+  comments: Comments
   /** Base URL to use for CNAME files, sitemaps, and RSS feeds that require an absolute URL.
    *   Quartz will avoid using this as much as possible and use relative URLs most of the time
    */

quartz/components/Comments.tsx

@@ -3,42 +3,53 @@ import { classNames } from "../util/lang"
 // @ts-ignore
 import script from "./scripts/comments.inline"
 
-type Options = {
-  provider: "giscus"
-  options: {
-    repo: `${string}/${string}`
-    repoId: string
-    category: string
-    categoryId: string
-    mapping?: "url" | "title" | "og:title" | "specific" | "number" | "pathname"
-    strict?: boolean
-    reactionsEnabled?: boolean
-    inputPosition?: "top" | "bottom"
-  }
-}
-
 function boolToStringBool(b: boolean): string {
   return b ? "1" : "0"
 }
 
-export default ((opts: Options) => {
+export default (() => {
   const Comments: QuartzComponent = ({ displayClass, cfg }: QuartzComponentProps) => {
-    return (
-      <div
-        class={classNames(displayClass, "giscus")}
-        data-repo={opts.options.repo}
-        data-repo-id={opts.options.repoId}
-        data-category={opts.options.category}
-        data-category-id={opts.options.categoryId}
-        data-mapping={opts.options.mapping ?? "url"}
-        data-strict={boolToStringBool(opts.options.strict ?? true)}
-        data-reactions-enabled={boolToStringBool(opts.options.reactionsEnabled ?? true)}
-        data-input-position={opts.options.inputPosition ?? "bottom"}
-      ></div>
-    )
+    switch (cfg.comments?.provider) {
+      case "giscus":
+        return (
+          <div id="comment" data-provider={cfg.comments.provider}>
+            <div
+              class={classNames(displayClass, "giscus")}
+              data-repo={cfg.comments?.repo}
+              data-repo-id={cfg.comments?.repoId}
+              data-category={cfg.comments?.category}
+              data-category-id={cfg.comments?.categoryId}
+              data-mapping={cfg.comments?.mapping ?? "url"}
+              data-strict={boolToStringBool(cfg.comments?.strict ?? true)}
+              data-reactions-enabled={boolToStringBool(cfg.comments?.reactionsEnabled ?? true)}
+              data-input-position={cfg.comments?.inputPosition ?? "bottom"}
+            ></div>
+          </div>
+        )
+      case "commento":
+        return (
+          <div id="comment" data-provider={cfg.comments.provider}>
+            <div
+              id="commento"
+              data-host={cfg.comments?.host ?? "cdn.commento.io"}
+              data-css-override={cfg.comments?.cssOverride ?? ""}
+              data-no-fonts={cfg.comments?.noFonts ?? true}
+              data-hide-deleted={cfg.comments?.hideDeleted ?? false}
+            ></div>
+          </div>
+        )
+      case "disqus":
+        return (
+          <div id="comment" data-provider={cfg.comments.provider}>
+            <div id="disqus_thread" data-short-name={cfg.comments?.shortName}></div>
+          </div>
+        )
+      default:
+        return <></>
+    }
   }
 
   Comments.afterDOMLoaded = script
 
   return Comments
-}) satisfies QuartzComponentConstructor<Options>
+}) satisfies QuartzComponentConstructor

quartz/components/scripts/comments.inline.ts

@@ -1,4 +1,4 @@
-const changeTheme = (e: CustomEventMap["themechange"]) => {
+const changeGiscusTheme = (e: CustomEventMap["themechange"]) => {
   const theme = e.detail.theme
   const iframe = document.querySelector("iframe.giscus-frame") as HTMLIFrameElement
   if (!iframe) {
@@ -34,7 +34,7 @@ type GiscusElement = Omit<HTMLElement, "dataset"> & {
   }
 }
 
-document.addEventListener("nav", () => {
+function setupGiscus() {
   const giscusContainer = document.querySelector(".giscus") as GiscusElement
   if (!giscusContainer) {
     return
@@ -62,6 +62,66 @@ document.addEventListener("nav", () => {
 
   giscusContainer.appendChild(giscusScript)
 
-  document.addEventListener("themechange", changeTheme)
-  window.addCleanup(() => document.removeEventListener("themechange", changeTheme))
+  document.addEventListener("themechange", changeGiscusTheme)
+  window.addCleanup(() => document.removeEventListener("themechange", changeGiscusTheme))
+}
+
+type CommentoElement = Omit<HTMLElement, "dataset"> & {
+  dataset: DOMStringMap & {
+    host: string
+    cssOverride: string
+    noFonts: string
+    hideDeleted: string
+  }
+}
+
+function setupCommento() {
+  const commentoContainer = document.querySelector("#commento") as CommentoElement
+  if (!commentoContainer) {
+    return
+  }
+
+  const commentoScript = document.createElement("script")
+  commentoScript.src = "https://" + commentoContainer.dataset.host + "/js/commento.js"
+  commentoScript.defer = true
+  commentoScript.setAttribute("data-css-override", commentoContainer.dataset.cssOverride)
+  commentoScript.setAttribute("data-no-fonts", commentoContainer.dataset.noFonts)
+  commentoScript.setAttribute("data-hide-deleted", commentoContainer.dataset.hideDeleted)
+
+  commentoContainer.appendChild(commentoScript)
+}
+
+type DisqusElement = Omit<HTMLElement, "dataset"> & {
+  dataset: DOMStringMap & {
+    shortName: string
+  }
+}
+
+function setupDisqus() {
+  const disqusContainer = document.querySelector("#disqus_thread") as DisqusElement
+  if (!disqusContainer) {
+    return
+  }
+
+  const disqusScript = document.createElement("script")
+  disqusScript.src = "https://" + disqusContainer.dataset.shortName + ".disqus.com/embed.js"
+  disqusScript.setAttribute("data-timestamp", "" + +new Date())
+
+  disqusContainer.appendChild(disqusScript)
+}
+
+document.addEventListener("nav", () => {
+  const commentContainer = document.querySelector("#comment")
+  if (!commentContainer) {
+    return
+  }
+  const provider = commentContainer.getAttribute("data-provider")
+  switch (provider) {
+    case "giscus":
+      setupGiscus()
+    case "commento":
+      setupCommento()
+    case "disqus":
+      setupDisqus()
+  }
 })