const fs = require("node:fs");
const path = require("node:path");

const file = path.join("coverage", "lcov.info");
const remapped = fs.readFileSync(file, "utf8").replace(/^SF:(.+)$/gm, (_, p) => {
  const norm = String(p).replaceAll("\\", "/");
  const match = /(?:^|\/)dist\/(.+)\.js$/.exec(norm);
  return match ? `SF:src/${match[1]}.ts` : `SF:${norm}`;
});
fs.writeFileSync(file, remapped);