{ "compilerOptions": { "allowSyntheticDefaultImports": true, "esModuleInterop": true, "experimentalDecorators": true, "module": "commonjs", "moduleResolution": "node", "sourceMap": true, "target": "es2017", "rootDir": "src", "outDir": "build", // stricts "strict": true, "noImplicitAny": true, "noImplicitReturns": true, "noFallthroughCasesInSwitch": true, "noUnusedLocals": true, "noUnusedParameters": true } }