oyster/tsconfig.json

{
  "compilerOptions": {
    "moduleResolution": "node",
    "target": "es6",
    "module": "es2015",
    "lib": ["es2015", "es2016", "es2017", "dom"],
    "strict": true,
    "sourceMap": true,
    "declaration": true,
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "noImplicitAny": true,
    "typeRoots": ["types", "node_modules/@types"]
  },
  "include": ["src/**/*"]
}