{ "compilerOptions": { /* Language and Environment */ "target": "es2019", /* Modules */ "rootDir": "js", "moduleResolution": "node", /* JavaScript Support */ "allowJs": true, /* Emit */ "declaration": true, "sourceMap": true, "outDir": "lib", /* Interop Constraints */ "isolatedModules": true, "esModuleInterop": true, "forceConsistentCasingInFileNames": true, /* Type Checking */ "strict": true, "noUnusedLocals": true, "noUnusedParameters": true, "noImplicitReturns": true, "noFallthroughCasesInSwitch": true, "noImplicitOverride": true, }, "include": ["js"], }