pocket-id/docs/src/version-label.ts

import ExecutionEnvironment from "@docusaurus/ExecutionEnvironment";

if (ExecutionEnvironment.canUseDOM) {
  function readVersionFile() {
    return fetch(
      "https://raw.githubusercontent.com/stonith404/pocket-id/refs/heads/main/.version"
    )
      .then((response) => response.text())
      .catch((error) => `Error reading version file: ${error}`);
  }

  function getVersion() {
    readVersionFile()
      .then((version) => {
        const versionLabels = document.querySelectorAll('[href="#version"]');
        versionLabels.forEach((label) => {
          (label as HTMLElement).innerText = `v${version}`;
        });
      })
      .catch((error) => console.error("Error fetching version:", error));
  }
  window.addEventListener("load", getVersion);
}