{ "sourceMaps": "both", "presets": [ ["@babel/preset-env", { "targets": { "node": "current" } }] ], "plugins": [ [ "@babel/plugin-proposal-decorators", { "legacy": true }], [ "@babel/plugin-proposal-class-properties", { "loose": true } ], [ "@babel/plugin-proposal-private-methods", {"loose": true } ], [ "@babel/plugin-proposal-optional-chaining" ], [ "@babel/plugin-proposal-nullish-coalescing-operator" ], [ "@babel/plugin-proposal-export-namespace-from" ], [ "@babel/plugin-proposal-export-default-from" ] ] }