module.exports = { roots: ["/test"], transform: { "^.+\\.ts?$": [ "ts-jest", { useESM: true, }, ], "^.+\\.js$": [ "babel-jest", { presets: [["@babel/preset-env", { targets: { node: "current" } }]], }, ], }, moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json", "node", ".d.ts"], extensionsToTreatAsEsm: [".ts", ".d.ts"], // Remove or comment out the moduleNameMapper configuration moduleNameMapper: { "^(.*)\\.js$": "$1", }, };