replace .at with length - 1 to resolve typescript target error

Author: Sebastian-Webster

src/libraries/Downloader.ts

@@ -130,7 +130,8 @@ function extractBinary(url: string, archiveLocation: string, extractedLocation:
 
         await fsPromises.mkdir(extractedLocation, {recursive: true})
 
-        const mySQLFolderName = url.split('/').at(-1)
+        const splitURL = url.split('/')
+        const mySQLFolderName = splitURL[splitURL.length - 1]
         if (!mySQLFolderName) {
             return reject(`Folder name is undefined for url: ${url}`)
         }

src/libraries/Version.ts

@@ -8,7 +8,7 @@ export default function getBinaryURL(versionToGet: string = "x", currentArch: st
     let selectedVersions = DOWNLOADABLE_MYSQL_VERSIONS.filter(version => satisfies(version, versionToGet));
 
     if (selectedVersions.length === 0) {
-        throw `mysql-memory-server does not support downloading a version of MySQL that fits the following version requirement: ${versionToGet}. This package only supports downloads of MySQL for MySQL >= ${DOWNLOADABLE_MYSQL_VERSIONS[0]} <= ${DOWNLOADABLE_MYSQL_VERSIONS.at(-1)}. Please check for typos, choose a different version of MySQL to use, or make an issue or pull request on GitHub if you belive this is a bug.`
+        throw `mysql-memory-server does not support downloading a version of MySQL that fits the following version requirement: ${versionToGet}. This package only supports downloads of MySQL for MySQL >= ${DOWNLOADABLE_MYSQL_VERSIONS[0]} <= ${DOWNLOADABLE_MYSQL_VERSIONS[DOWNLOADABLE_MYSQL_VERSIONS.length - 1]}. Please check for typos, choose a different version of MySQL to use, or make an issue or pull request on GitHub if you belive this is a bug.`
     }
 
     const currentOS = os.platform();