udash-front/index.html at main · updatecli/udash-front · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <title>udash</title>
    <script type="module">
      function normalizeBasePath(value) {
        if (!value || value === "/") return "/";
        return "/" + String(value).replace(/^\/+|\/+$/g, "") + "/";
      }

      function getCandidatePrefixes(pathname) {
        const segments = pathname.split("/").filter(Boolean);
        const prefixes = [];
        for (let depth = segments.length; depth >= 0; depth -= 1) {
          const prefix = ("/" + segments.slice(0, depth).join("/")).replace(/\/+$/, "");
          prefixes.push(prefix || "/");
        }
        return [...new Set(prefixes)];
      }

      async function loadRuntimeConfig() {
        const prefixes = getCandidatePrefixes(window.location.pathname);

        for (const prefix of prefixes) {
          try {
            const url = (prefix === "/" ? "" : prefix) + "/config.json";
            const res = await fetch(url, { cache: "no-store" });
            if (!res.ok) continue;
            return await res.json();
          } catch (_) {
            // Ignore bad candidate prefix and keep trying.
          }
        }

        throw new Error("Unable to load runtime configuration from config.json");
      }

      const runtimeConfig = await loadRuntimeConfig();
      const baseElement = document.createElement("base");
      baseElement.href = normalizeBasePath(runtimeConfig.APP_BASE_PATH || "/");
      document.head.appendChild(baseElement);
      window.config = runtimeConfig;

      await import("/src/main.js");
    </script>
    <link rel="icon" href="./favicon.ico">
  </head>
  <body>
    <noscript>
      <strong>We're sorry but udash doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
    </noscript>
    <div id="app"></div>
  </body>
</html>