tsconfig.base.json

{
  "compilerOptions": {
    "skipLibCheck": true,
    "skipDefaultLibCheck": true,
    "suppressImplicitAnyIndexErrors": false,
    "alwaysStrict": true,
    "strictPropertyInitialization": true,
    "strictBindCallApply": true,
    "strictFunctionTypes": true,
    "noImplicitThis": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "useUnknownInCatchVariables": true,
    "noUnusedLocals": true,
    // 开启了在函数未使用的参数前要加上'_'，模版类不能开，否则意思就不对了
    "noUnusedParameters": true,
    // 开了以后 ?:type 后面都要加上一个｜undefined， 有点多此一举
    "exactOptionalPropertyTypes": false,
    "noImplicitReturns": true,
    // "noFallthroughCasesInSwitch": true,
    // 类型中的任何未声明字段添加undefined
    // 如果设置了[propName: string]: string;获取任意key都是string|undefined
    "noUncheckedIndexedAccess": true,
    "noImplicitOverride": true,
    // 对象未明确定义的字段要使用['key']获取或赋值
    "noPropertyAccessFromIndexSignature": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false
  },
}