{ "compilerOptions": { // Language Options "target": "ES2021", "lib": ["ES2021", "DOM", "DOM.Iterable", "WebWorker"], "experimentalDecorators": true, // Modules "module": "ESNext", "moduleResolution": "node", "resolveJsonModule": true, // Babel handles transpiling and no need for declaration files "noEmit": true, // Type checking options "noUnusedLocals": true, "noUnusedParameters": true, "noImplicitReturns": true, "noFallthroughCasesInSwitch": true, "strict": true, "noImplicitAny": false, // Do not check type declaration files "skipLibCheck": true, // Interop with CommonJS and other tools "esModuleInterop": true, "isolatedModules": true, "plugins": [ { "name": "ts-lit-plugin", "strict": false, "rules": { "no-unknown-tag-name": "error", "no-missing-import": "error", "no-unclosed-tag": "error", "no-incompatible-type-binding": "warning", "no-invalid-css": "warning", "no-missing-element-type-definition": "warning", "no-property-visibility-mismatch": "error" } } ] } }