tsconfig.json

{
  "compilerOptions": {
    "target": "es2017",
    "module": "es2015",
    "moduleResolution": "node",
    "lib": ["es2017", "dom", "dom.iterable"],
    "declaration": true,
    "sourceMap": true,
    "inlineSources": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "experimentalDecorators": true,
    "skipLibCheck": true,
    "strict": true,
    "noImplicitAny": false,
    "outDir": "./",
    "baseUrl": "./packages",
    "paths": {
      "@material/mwc-*": ["./*/src"]
    },
    "composite": true,
    "importHelpers": true,
    "plugins": [
      {
        "name": "ts-lit-plugin",
        "rules": {
          "no-unknown-tag-name": "error",
          "no-unclosed-tag": "error",
          "no-unknown-property": "error",
          "no-unintended-mixed-binding": "error",
          "no-invalid-boolean-binding": "error",
          "no-expressionless-property-binding": "error",
          "no-noncallable-event-binding": "error",
          "no-boolean-in-attribute-binding": "error",
          "no-complex-attribute-binding": "error",
          "no-nullable-attribute-binding": "error",
          "no-incompatible-type-binding": "error",
          "no-invalid-directive-binding": "error",
          "no-incompatible-property-type": "error",
          "no-unknown-property-converter": "error",
          "no-invalid-attribute-name": "error",
          "no-invalid-tag-name": "error",

          "no-unknown-attribute": "off",
          "no-unknown-event": "off",
          "no-unknown-slot": "off",
          "no-invalid-css": "off"
        }
      }
    ]
  },
  "include": [
    "custom_typings/**/*.ts",
    "src/*.ts"
  ],
  "exclude": [],
  "references": [
    {"path": "packages/base"},
    {"path": "packages/button"},
    {"path": "packages/checkbox"},
    {"path": "packages/dialog"},
    {"path": "packages/drawer"},
    {"path": "packages/fab"},
    {"path": "packages/floating-label"},
    {"path": "packages/formfield"},
    {"path": "packages/icon"},
    {"path": "packages/icon-button"},
    {"path": "packages/icon-button-toggle"},
    {"path": "packages/line-ripple"},
    {"path": "packages/linear-progress"},
    {"path": "packages/list"},
    {"path": "packages/menu"},
    {"path": "packages/notched-outline"},
    {"path": "packages/radio"},
    {"path": "packages/ripple"},
    {"path": "packages/select"},
    {"path": "packages/slider"},
    {"path": "packages/snackbar"},
    {"path": "packages/switch"},
    {"path": "packages/tab"},
    {"path": "packages/tab-bar"},
    {"path": "packages/tab-indicator"},
    {"path": "packages/tab-scroller"},
    {"path": "packages/textarea"},
    {"path": "packages/textfield"},
    {"path": "packages/top-app-bar"},
    {"path": "packages/top-app-bar-fixed"}
  ]
}