{ "compilerOptions": { "target": "es5", "alwaysStrict": true, "noImplicitAny": true, "noImplicitThis": true, "sourceMap": false, "noUnusedLocals": true, "strictNullChecks": true, "strictFunctionTypes": true, // "downlevelIteration": true, "importHelpers": true, "noEmitHelpers": true, "jsx": "react", "lib": [ "es6", "dom", "esnext.asynciterable", "es2016" ], "outDir": "build/src", "rootDir": "src" }, "include": [ "src/**/*" ], }