message: Write tsconfig such that it's more easily usable with 'extends'
diff: "removeComments": false,
  "preserveConstEnums": true,
  "suppressImplicitAnyIndexErrors": true,
  - "lib": ["es2017"],
  - "outDir": "./lib",
  + "lib": [
  + "es2017"
  + ],
  "declaration": true,
  "sourceMap": true,
  "pretty": true
  - },
  - "include": [
  - "src/**/*.ts"
  - ]
  + }
  }
  