tsconfig.json

{
  "compilerOptions": {
    "module": "esnext",
    "target": "esnext",
    "moduleResolution": "node",
    "jsx": "preserve",
    "downlevelIteration": true,
    /* noEmit - Snowpack builds (emits) files, not tsc. */
    "noEmit": true,
    /* Additional Options */
    "strict": true,
    "sourceMap": false,
    "skipLibCheck": true,
    "types": ["react", "jest", "node"],
    "forceConsistentCasingInFileNames": true,
    "resolveJsonModule": true,
    "allowSyntheticDefaultImports": true,
    "skipDefaultLibCheck": true,
    "importsNotUsedAsValues": "error",
    "isolatedModules": true,
    "typeRoots": ["@types/"],
    "baseUrl": ".",
    "paths": {
      "@relayer": ["./packages/src/*"]
    }
  },
  "exclude": ["node_modules"],
  "include": ["./packages/**/*"]
}