import fs from "fs"; const packagejson = JSON.parse( fs.readFileSync(`./package.json`, { encoding: "utf-8" }) ); const original = fs.readFileSync(`./index.html`, { encoding: "utf-8" }); let out = original.replace( /RELEASE_INFO-(\S)+-RELEASE_INFO/gi, "RELEASE_INFO-" + packagejson.version + "-RELEASE_INFO" ); fs.writeFileSync(`./index.html`, out);