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quartz/components/ContentMeta.tsx

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+import { formatDate, getDate } from "./Date"
+import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
+import readingTime from "reading-time"
+import { classNames } from "../util/lang"
+import { i18n } from "../i18n"
+import { JSX } from "preact"
+import style from "./styles/contentMeta.scss"
+
+interface ContentMetaOptions {
+  /**
+   * Whether to display reading time
+   */
+  showReadingTime: boolean
+  showComma: boolean
+}
+
+const defaultOptions: ContentMetaOptions = {
+  showReadingTime: true,
+  showComma: true,
+}
+
+export default ((opts?: Partial<ContentMetaOptions>) => {
+  // Merge options with defaults
+  const options: ContentMetaOptions = { ...defaultOptions, ...opts }
+
+  function ContentMetadata({ cfg, fileData, displayClass }: QuartzComponentProps) {
+    const text = fileData.text
+
+    if (text) {
+      const segments: (string | JSX.Element)[] = []
+
+      if (fileData.dates) {
+        segments.push(formatDate(getDate(cfg, fileData)!, cfg.locale))
+      }
+
+      // Display reading time if enabled
+      if (options.showReadingTime) {
+        const { minutes, words: _words } = readingTime(text)
+        const displayedTime = i18n(cfg.locale).components.contentMeta.readingTime({
+          minutes: Math.ceil(minutes),
+        })
+        segments.push(displayedTime)
+      }
+
+      const segmentsElements = segments.map((segment) => <span>{segment}</span>)
+
+      return (
+        <p show-comma={options.showComma} class={classNames(displayClass, "content-meta")}>
+          {segmentsElements}
+        </p>
+      )
+    } else {
+      return null
+    }
+  }
+
+  ContentMetadata.css = style
+
+  return ContentMetadata
+}) satisfies QuartzComponentConstructor