quartz/quartz/util/socialImage2.tsx

import { SatoriOptions } from "satori/wasm"
import { GlobalConfiguration } from "../cfg"
import { SocialImageOptions, UserOpts } from "./imageHelper"
import { QuartzPluginData } from "../plugins/vfile"

export const defaultImage: SocialImageOptions["imageStructure"] = (
  cfg: GlobalConfiguration,
  userOpts: UserOpts,
  title: string,
  description: string,
  fonts: SatoriOptions["fonts"],
  fileData: QuartzPluginData,
) => {
  // How many characters are allowed before switching to smaller font
  const fontBreakPoint = 22
  const useSmallerFont = title.length > fontBreakPoint

  const { colorScheme } = userOpts
  return (
    <div
      style={{
        display: "flex",
        flexDirection: "row",
        justifyContent: "flex-start",
        alignItems: "center",
        height: "100%",
        width: "100%",
      }}
    >
      <div
        style={{
          display: "flex",
          alignItems: "center",
          justifyContent: "center",
          height: "100%",
          width: "100%",
          backgroundColor: cfg.theme.colors[colorScheme].light,
          flexDirection: "column",
          gap: "2.5rem",
          paddingTop: "2rem",
          paddingBottom: "2rem",
        }}
      >
        <p
          style={{
            color: cfg.theme.colors[colorScheme].dark,
            fontSize: useSmallerFont ? 70 : 82,
            marginLeft: "4rem",
            textAlign: "center",
            marginRight: "4rem",
            fontFamily: fonts[0].name,
          }}
        >
          {title}
        </p>
        <p
          style={{
            color: cfg.theme.colors[colorScheme].dark,
            fontSize: 44,
            marginLeft: "8rem",
            marginRight: "8rem",
            lineClamp: 3,
            fontFamily: fonts[1].name,
          }}
        >
          {description}
        </p>
      </div>
      <div
        style={{
          height: "100%",
          width: "2vw",
          position: "absolute",
          backgroundColor: cfg.theme.colors[colorScheme].tertiary,
          opacity: 0.85,
        }}
      />
    </div>
  )
}