better-auth 1.0.0-alpha.4

The most comprehensive authentication framework for Rust
Documentation 
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"use client";

import { useTheme } from "next-themes";
import { useEffect, useId, useRef, useState } from "react";

export function Mermaid({ chart }: { chart: string }) {
  const id = useId();
  const [svg, setSvg] = useState("");
  const containerRef = useRef<HTMLDivElement>(null);
  const currentChartRef = useRef<string>(null);
  const currentThemeRef = useRef<string | undefined>(undefined);
  const { resolvedTheme } = useTheme();

  useEffect(() => {
    if (
      currentChartRef.current === chart &&
      currentThemeRef.current === resolvedTheme
    )
      return;
    if (!containerRef.current) return;
    const container = containerRef.current;
    currentChartRef.current = chart;
    currentThemeRef.current = resolvedTheme;

    async function renderChart() {
      const { default: mermaid } = await import("mermaid");

      try {
        mermaid.initialize({
          startOnLoad: false,
          securityLevel: "loose",
          fontFamily: "inherit",
          themeCSS: "margin: 1.5rem auto 0;",
          theme: resolvedTheme === "dark" ? "dark" : "default",
        });

        const { svg, bindFunctions } = await mermaid.render(
          id,
          chart.replaceAll("\\n", "\n"),
        );

        bindFunctions?.(container);
        setSvg(svg);
      } catch (error) {
        console.error("Error while rendering mermaid", error);
      }
    }

    renderChart();
  }, [chart, id, resolvedTheme]);

  return (
    <div
      ref={containerRef}
      // biome-ignore lint: svg from mermaid
      dangerouslySetInnerHTML={{ __html: svg }}
    />
  );
}