tsconfig-base.json

{
  "compilerOptions": {
    "declaration": true,
    "downlevelIteration": true,
    "emitDecoratorMetadata": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "lib": ["es2017", "dom"],
    "moduleResolution": "node",
    "newLine": "lf",
    "noEmitOnError": false,
    "noErrorTruncation": true,
    "noFallthroughCasesInSwitch": true,
    "noStrictGenericChecks": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "preserveConstEnums": true,
    "pretty": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "stripInternal": true,
    "target": "es5",
    "types": ["resize-observer-browser"]
  }
}