postbuild.mjs

import fs from "fs";
import path from "path";
import astroConfig from "./astro.config.mjs";

const PUBLIC_DIR = astroConfig.dist || "dist";
const argvs = process.argv.slice(2);

if ((argvs[0] === "--p" || argvs[0] === "-path") && argvs[1]) {
  let files = [];
  const extensions = [".html", ".css", ".js", ".json"];
  const PRODUCTION_URL = argvs[1];
  console.log("production url: " + PRODUCTION_URL);
  const replaceUrlsInFiles = function (dirPath, arrayOfFiles) {
    files = fs.readdirSync(dirPath);

    files.forEach(function (file) {
      const current = fs.statSync(dirPath + "/" + file);
      if (current.isDirectory()) {
        replaceUrlsInFiles(dirPath + "/" + file, arrayOfFiles);
      } else {
        const filePath = path.join(
          path.dirname(import.meta.url.replace(/file\:/, "")),
          dirPath,
          "/",
          file
        );
        if (extensions.includes(path.extname(filePath))) {
          let content = fs.readFileSync(filePath);

          content = String(content).replace(
            /src="\//g,
            `src="${PRODUCTION_URL}`
          );
          content = String(content).replace(
            /href="\//g,
            `href="${PRODUCTION_URL}`
          );
          content = String(content).replace(
            /url\("\//g,
            `url("${PRODUCTION_URL}`
          );

          content = String(content).replace(
            /src='\//g,
            `src='${PRODUCTION_URL}`
          );
          content = String(content).replace(
            /href='\//g,
            `href='${PRODUCTION_URL}`
          );
          content = String(content).replace(
            /url\('\//g,
            `url('${PRODUCTION_URL}`
          );
          fs.writeFileSync(filePath, content);
        }
      }
    });
  };

  if (PRODUCTION_URL && process.env.NODE_ENV !== "development") {
    replaceUrlsInFiles(PUBLIC_DIR, files);
  } else {
    console.log("skip postbuild");
    process.exit(0);
  }
} else {
  console.error('please provide a path argument "-path", "--p"');
  process.exit(1);
}