npm i typescript -g

tsc test.ts

tsc --init

tsc

npm uninstall typescript -g

// JavaScript
function add(n1, n2) {
  if (typeof n1 !== 'number' || typeof n2 !== 'number') {
    throw new Error('Incorrect input!');
  }
  return n1 + n2;
}

const result = add(39, 28);

// TypeScript
function add(n1: number, n2: number) {
  return n1 + n2;
}

const result = add(39, 28);

let name = 'mark';

name.toString();

true;

'hello';

3.14;

null;

undefined;

new Boolean(false); // typeof new Boolean(false) : 'object'

new String('world'); // typeof new String('world') : 'object'

new Number(42); // typeof new Number(42) : 'object'

let isDone: boolean = false;

typeof isDone === 'boolean' // true

// Type 'boolean' is assignable to type 'Boolean'.
let isOk: Boolean = true;

// Type 'Boolean' is not assignable to type 'boolean'.
// 'boolean' is a primitive, but 'Boolean' is a wrapper object.
// Prefer using 'boolean' when possible.
let isNotOk: boolean = new Boolean(true);

let decimal: number = 6; // 10진수 리터럴

let hex: number = 0xf00d; // 16진수 리터럴

let binary: number = 0b1010; // 2진수 리터럴

let octal: number = 0o744; // 8진수 리터럴

let NotANumber: number = NaN;

let underscoreNum: number = 1_000_000;

let name: string = "mark";

name = 'anna';

let fullName: string = `Bob Bobbington`;
let age: number = 38;

let sentence: string = `Hello, my name is ${ fullName }.

I'll be ${ age + 1 } years old next month.`;

// template string 을 사용하지 않을 경우
let sentence: string = "Hello, my name is " + fullName + ".\n\n" +
    "I'll be " + (age + 1) + " years old next month.";

console.log(Symbol('foo') === Symbol('foo'));

let sym = Symbol();

let obj = {
    [sym]: "value"
};

console.log(obj[sym]); // "value"

// 이 변수들에 할당할 수 있는 것들은 거의 없다.

let u: undefined = undefined;
let n: null = null;

let name: string = null;
let age: number = undefined;

// strictNullChecks => true
// Type 'null' is not assignable to type 'string'.
let name: string = null; (X)

// null => null || void, undefined => undefined || void
// Type 'null' is not assignable to type 'undefined'.
let u: undefined = null; // (X)

let v: void = undefined; // (O)

let union: string | null | undefined = 'str';

let n: null = null;

console.log(n); // null
console.log(typeof n); // object

let u: undefined = undefined;

console.log(u); // undefined
console.log(typeof u); // undefined

// create by object literal
const person1 = {name: 'Mark', age: 39};

// person1 is not "object" type.
// person1 is "{name: string, age: number}" type.


// create by Object.create
const person2 = Object.create({name: 'Mark', age: 39});

let obj: object = {};

obj = {name: 'Mark'};

obj = [{name: 'Mark'}];

obj = 39; // Error

obj = 'Mark'; // Error

obj = true; // Error

obj = 100n; // Error

obj = Symbol(); // Error

obj = null; // Error

obj = undefined; // Error

declare function create(o: object | null): void;

create({ prop: 0 });

create(null);

create(42); // Error

create("string"); // Error

create(false); // Error

create(undefined); // Error


// Object.create
Object.create(0); // Error

let list: number[] = [1, 2, 3];

let list: Array<number> = [1, 2, 3];

let x: [string, number]; // Declare a tuple type
x = ["hello", 10]; // OK
x = [10, "hello"]; // Error

x[3] = "world"; // Type '"world"' is not assignable to type 'undefined'.

const person: [string, number] = ["mark", 35];

const [first, second, third] = person;

function returnAny(message): any {
    console.log(message);
}

returnVoid('리턴은 아무거나');

let looselyTyped: any = {};

let d = looselyTyped.a.b.c.d;
//  ^ = let d: any

function leakingAny(obj: any) {
  const a = obj.num; // const a: number = obj.num;
  const b = a + 1;
  return b;
}

const c = leakingAny({num: 0});
const d: string = c.indexOf('0');

declare const maybe: unknown;
// 'maybe' could be a string, object, boolean, undefined, or other types
const aNumber: number = maybe; // Type 'unknown' is not assignable to type 'number'.

if (maybe === true) {
  // TypeScript knows that maybe is a boolean now
  const aBoolean: boolean = maybe;
  // So, it cannot be a string
  const aString: string = maybe; // Type 'boolean' is not assignable to type 'string'.
}

if (typeof maybe === "string") {
  // TypeScript knows that maybe is a string
  const aString: string = maybe;
  // So, it cannot be a boolean
  const aBoolean: boolean = maybe; // Type 'string' is not assignable to type 'boolean'.
}

// Function returning never must have unreachable end point
function error(message: string): never {
    throw new Error(message);
}

// Inferred return type is never
function fail() {
    return error("Something failed");
}

// Function returning never must have unreachable end point
function infiniteLoop(): never {
    while (true) {
    }
}

let a: string = 'hello';

if (typeof a !== 'string') {
    let b: never = a;
}

type Indexable<T> = T extends string ? T & { [index: string]: any } : never;

function returnVoid(message): void {
    console.log(message);
}

returnVoid('리턴이 없다');

let unusable: void = undefined;

// 입력은 마음대로,
// 함수 구현이 자유롭게 => 자유가 항상 좋은건 아니다.
function fany(a: any): number | string | void {
  a.toString();

  if (typeof a === 'number') {
    return a * 38;
  } else if (typeof a === 'string') {
    return `Hello ${a}`;
  }
}

console.log(fany(10)); // 380
console.log(fany('Mark')); // Hello Mark
console.log(fany(true)); // undefined

// 입력은 마음대로,
// 함수 구현은 문제 없도록
function funknown(a: unknown): number | string | void {
  a.toString(); // error! Object is of type 'unknown'.

  if (typeof a === 'number') {
    return a * 38;
  } else if (typeof a === 'string') {
    return `Hello ${a}`;
  }
}

console.log(funknown(10)); // 380
console.log(funknown('Mark')); // Hello Mark
console.log(funknown(true)); // undefined

// JavaScript

// f1 이라는 함수의 body 에서는 a 를 사용할 것 입니다.
// a 가 할 수 있는 일은 a 의 타입이 결정합니다.

function f1(a) {
  return a;
}

// JavaScript

// (f2 실행의 결과가 NaN 을 의도한 것이 아니라면)
// 이 함수의 작성자는 매개변수 a 가 number 타입이라는 가정으로 함수를 작성했습니다.

function f2(a) {
  return a * 38;
}

// 사용자는 사용법을 숙지하지 않은 채, 문자열을 사용하여 함수를 실행했습니다.

console.log(f2(10)); // 380
console.log(f2('Mark')); // NaN

// 타입스크립트 코드지만,
// a 의 타입을 명시적으로 지정하지 않은 경우이가 때문에 a 는 any 로 추론됩니다.
// 함수의 리턴 타입은 number 로 추론됩니다. (NaN 도 number 의 하나입니다.)

function f3(a) {
  return a * 38;
}

// 사용자는 a 가 any 이기 때문에, 사용법에 맞게 문자열을 사용하여 함수를 실행했습니다.

console.log(f3(10)); // 380
console.log(f3('Mark') + 5); // NaN

// error TS7006: Parameter 'a' implicitly has an 'any' type.

function f3(a) {
  return a * 38;
}

// 사용자의 코드를 실행할 수 없습니다. 컴파일이 정상적으로 마무리 될 수 있도록 수정해야 합니다.

console.log(f3(10));
console.log(f3('Mark') + 5);

// 매개변수의 타입은 명시적으로 지정했습니다.
// 명시적으로 지정하지 않은 함수의 리턴 타입은 number 로 추론됩니다.

function f4(a: number) {
  if (a > 0) {
    return a * 38;
  }
}

// 사용자는 사용법에 맞게 숫자형을 사용하여 함수를 실행했습니다.
// 해당 함수의 리턴 타입은 number 이기 때문에, 타입에 따르면 이어진 연산을 바로 할 수 있습니다.
// 하지만 실제 undefined + 5 가 실행되어 NaN 이 출력됩니다.

console.log(f4(5)); // 190
console.log(f4(-5) + 5); // NaN

// 매개변수의 타입은 명시적으로 지정했습니다.
// 명시적으로 지정하지 않은 함수의 리턴 타입은 number | undefined 로 추론됩니다.

function f4(a: number) {
  if (a > 0) {
    return a * 38;
  }
}

// 사용자는 사용법에 맞게 숫자형을 사용하여 함수를 실행했습니다.
// 해당 함수의 리턴 타입은 number | undefined 이기 때문에,
// 타입에 따르면 이어진 연산을 바로 할 수 없습니다.
// 컴파일 에러를 고쳐야하기 하기 때문에 사용자와 작성자가 의논을 해야합니다.

console.log(f4(5));
console.log(f4(-5) + 5); // error TS2532: Object is possibly 'undefined'.

// 매개변수의 타입과 함수의 리턴 타입을 명시적으로 지정했습니다.
// 실제 함수 구현부의 리턴 타입과 명시적으로 지정한 타입이 일치하지 않아 컴파일 에러가 발생합니다.

// error TS2366: Function lacks ending return statement and return type does not include 'undefined'.
function f5(a: number): number {
  if (a > 0) {
    return a * 38;
  }
}

// if 가 아닌 경우 return 을 직접 하지 않고 코드가 종료된다.

// error TS7030: Not all code paths return a value.
function f5(a: number) {
  if (a > 0) {
    return a * 38;
  }
}

// JavaScript

function f6(a) {
  return `이름은 ${a.name} 이고, 연령대는 ${
    Math.floor(a.age / 10) * 10
  }대 입니다.`;
}

console.log(f6({ name: 'Mark', age: 38 })); // 이름은 Mark 이고, 연령대는 30대 입니다.
console.log(f6('Mark')); // 이름은 undefined 이고, 연령대는 NaN대 입니다.

function f7(a: { name: string; age: number }): string {
  return `이름은 ${a.name} 이고, 연령대는 ${
    Math.floor(a.age / 10) * 10
  }대 입니다.`;
}

console.log(f7({ name: 'Mark', age: 38 })); // 이름은 Mark 이고, 연령대는 30대 입니다.
console.log(f7('Mark')); // error TS2345: Argument of type 'string' is not assignable to parameter of type '{ name: string; age: number; }'.

interface PersonInterface {
  name: string;
  age: number;
}

type PersonTypeAlias = {
  name: string;
  age: number;
};

function f8(a: PersonInterface): string {
  return `이름은 ${a.name} 이고, 연령대는 ${
    Math.floor(a.age / 10) * 10
  }대 입니다.`;
}

console.log(f8({ name: 'Mark', age: 38 })); // 이름은 Mark 이고, 연령대는 30대 입니다.
console.log(f8('Mark')); // error TS2345: Argument of type 'string' is not assignable to parameter of type 'PersonInterface'.

interface IPerson {
  name: string;
  age: number;
  speak(): string;
}

type PersonType = {
  name: string;
  age: number;
  speak(): string;
};

let personInterface: IPerson = {} as any;
let personType: PersonType = {} as any;

personInterface = personType;
personType = personInterface;

type PersonID = string & { readonly brand: unique symbol };

function PersonID(id: string): PersonID {
  return id as PersonID;
}

function getPersonById(id: PersonID) {}

getPersonById(PersonID('id-aaaaaa'));
getPersonById('id-aaaaaa'); // error TS2345: Argument of type 'string' is not assignable to parameter of type 'PersonID'. Type 'string' is not assignable to type '{ readonly brand: unique symbol; }'.

class Duck:
   def sound(self):
      print u"꽥꽥"

class Dog:
   def sound(self):
      print u"멍멍"

def get_sound(animal):
   animal.sound()

def main():
   bird = Duck()
   dog = Dog()
   get_sound(bird)
   get_sound(dog)

// sub1 타입은 sup1 타입의 서브 타입이다.
let sub1: 1 = 1;
let sup1: number = sub1;
sub1 = sup1; // error! Type 'number' is not assignable to type '1'.

// sub2 타입은 sup2 타입의 서브 타입이다.
let sub2: number[] = [1];
let sup2: object = sub2;
sub2 = sup2; // error! Type '{}' is missing the following properties from type 'number[]': length, pop, push, concat, and 16 more.

// sub3 타입은 sup3 타입의 서브 타입이다.
let sub3: [number, number] = [1, 2];
let sup3: number[] = sub3;
sub3 = sup3; // error! Type 'number[]' is not assignable to type '[number, number]'. Target requires 2 element(s) but source may have fewer.

// sub4 타입은 sup4 타입의 서브 타입이다.
let sub4: number = 1;
let sup4: any = sub4;
sub4 = sup4;

// sub5 타입은 sup5 타입의 서브 타입이다.
let sub5: never = 0 as never;
let sup5: number = sub5;
sub5 = sup5; // error! Type 'number' is not assignable to type 'never'.

class Animal {}
class Dog extends Animal {
  eat() {}
}

// sub6 타입은 sup6 타입의 서브 타입이다.
let sub6: Dog = new Dog();
let sup6: Animal = sub6;
sub6 = sup6; // error! Property 'eat' is missing in type 'SubAnimal' but required in type 'SubDog'.

// primitive type
let sub7: string = '';
let sup7: string | number = sub7;

// object - 각각의 프로퍼티가 대응하는 프로퍼티와 같거나 서브타입이어야 한다.
let sub8: { a: string; b: number } = { a: '', b: 1 };
let sup8: { a: string | number; b: number } = sub8;

// array - object 와 마찬가지
let sub9: Array<{ a: string; b: number }> = [{ a: '', b: 1 }];
let sup9: Array<{ a: string | number; b: number }> = sub8;

class Person {}
class Developer extends Person {
  coding() {}
}
class StartupDeveloper extends Developer {
  burning() {}
}

function tellme(f: (d: Developer) => Developer) {}

// Developer => Developer 에다가 Developer => Developer 를 할당하는 경우
tellme(function dToD(d: Developer): Developer {
  return new Developer();
});

// Developer => Developer 에다가 Person => Developer 를 할당하는 경우
tellme(function pToD(d: Person): Developer {
  return new Developer();
});

// Developer => Developer 에다가 StartipDeveloper => Developer 를 할당하는 경우
tellme(function sToD(d: StartupDeveloper): Developer {
  return new Developer();
});

type MyStringType = string;

const str = 'world';

let myStr: MyStringType = 'hello';
myStr = str;

/*

별 의미가 없다..

*/

let person: string | number = 0;
person = 'Mark';

type StringOrNumber = string | number;

let another: StringOrNumber = 0;
another = 'Anna';

/*

1. 유니온 타입은 A 도 가능하고 B 도 가능한 타입
2. 길게 쓰는걸 짧게

*/

let person: [string, number] = ['Mark', 35];

type PersonTuple = [string, number];

let another: PersonTuple = ['Anna', 24];

/*

1. 튜플 타입에 별칭을 줘서 여러군데서 사용할 수 있게 한다.

*/

type EatType = (food: string) => void;

{
  "title": "JSON schema for the TypeScript compiler's configuration file",
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "https://json.schemastore.org/tsconfig",
  "definitions": {
    "//": {
      "explainer": "https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#overview",
      "reference": "https://www.typescriptlang.org/tsconfig",
      "reference metadata": "https://github.com/microsoft/TypeScript-Website/blob/v2/packages/tsconfig-reference/scripts/tsconfigRules.ts"
    },
    "filesDefinition": {
      "properties": {
        "files": {
          "description": "If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. When a 'files' property is specified, only those files and those specified by 'include' are included.",
          "type": "array",
          "uniqueItems": true,
          "items": {
            "type": "string"
          }
        }
      }
    },
    "excludeDefinition": {
      "properties": {
        "exclude": {
          "description": "Specifies a list of files to be excluded from compilation. The 'exclude' property only affects the files included via the 'include' property and not the 'files' property. Glob patterns require TypeScript version 2.0 or later.",
          "type": "array",
          "uniqueItems": true,
          "items": {
            "type": "string"
          }
        }
      }
    },
    "includeDefinition": {
      "properties": {
        "include": {
          "description": "Specifies a list of glob patterns that match files to be included in compilation. If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. Requires TypeScript version 2.0 or later.",
          "type": "array",
          "uniqueItems": true,
          "items": {
            "type": "string"
          }
        }
      }
    },
    "compileOnSaveDefinition": {
      "properties": {
        "compileOnSave": {
          "description": "Enable Compile-on-Save for this project.",
          "type": "boolean"
        }
      }
    },
    "extendsDefinition": {
      "properties": {
        "extends": {
          "description": "Path to base configuration file to inherit from. Requires TypeScript version 2.1 or later.",
          "type": "string"
        }
      }
    },
    "compilerOptionsDefinition": {
      "properties": {
        "compilerOptions": {
          "type": "object",
          "description": "Instructs the TypeScript compiler how to compile .ts files.",
          "properties": {
            "charset": {
              "description": "No longer supported. In early versions, manually set the text encoding for reading files.",
              "type": "string",
              "markdownDescription": "No longer supported. In early versions, manually set the text encoding for reading files.\n\nSee more: https://www.typescriptlang.org/tsconfig#charset"
            },
            "composite": {
              "description": "Enable constraints that allow a TypeScript project to be used with project references.",
              "type": "boolean",
              "default": true,
              "markdownDescription": "Enable constraints that allow a TypeScript project to be used with project references.\n\nSee more: https://www.typescriptlang.org/tsconfig#composite"
            },
            "declaration": {
              "description": "Generate .d.ts files from TypeScript and JavaScript files in your project.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Generate .d.ts files from TypeScript and JavaScript files in your project.\n\nSee more: https://www.typescriptlang.org/tsconfig#declaration"
            },
            "declarationDir": {
              "description": "Specify the output directory for generated declaration files.",
              "type": ["string", "null"],
              "markdownDescription": "Specify the output directory for generated declaration files.\n\nSee more: https://www.typescriptlang.org/tsconfig#declarationDir"
            },
            "diagnostics": {
              "description": "Output compiler performance information after building.",
              "type": "boolean",
              "markdownDescription": "Output compiler performance information after building.\n\nSee more: https://www.typescriptlang.org/tsconfig#diagnostics"
            },
            "disableReferencedProjectLoad": {
              "description": "Reduce the number of projects loaded automatically by TypeScript.",
              "type": "boolean",
              "markdownDescription": "Reduce the number of projects loaded automatically by TypeScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#disableReferencedProjectLoad"
            },
            "noPropertyAccessFromIndexSignature": {
              "description": "Enforces using indexed accessors for keys declared using an indexed type",
              "type": "boolean",
              "markdownDescription": "Enforces using indexed accessors for keys declared using an indexed type\n\nSee more: https://www.typescriptlang.org/tsconfig#noPropertyAccessFromIndexSignature"
            },
            "emitBOM": {
              "description": "Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files.\n\nSee more: https://www.typescriptlang.org/tsconfig#emitBOM"
            },
            "emitDeclarationOnly": {
              "description": "Only output d.ts files and not JavaScript files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Only output d.ts files and not JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#emitDeclarationOnly"
            },
            "incremental": {
              "description": "Save .tsbuildinfo files to allow for incremental compilation of projects.",
              "type": "boolean",
              "markdownDescription": "Save .tsbuildinfo files to allow for incremental compilation of projects.\n\nSee more: https://www.typescriptlang.org/tsconfig#incremental"
            },
            "tsBuildInfoFile": {
              "description": "Specify the folder for .tsbuildinfo incremental compilation files.",
              "default": ".tsbuildinfo",
              "type": "string",
              "markdownDescription": "Specify the folder for .tsbuildinfo incremental compilation files.\n\nSee more: https://www.typescriptlang.org/tsconfig#tsBuildInfoFile"
            },
            "inlineSourceMap": {
              "description": "Include sourcemap files inside the emitted JavaScript.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Include sourcemap files inside the emitted JavaScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#inlineSourceMap"
            },
            "inlineSources": {
              "description": "Include source code in the sourcemaps inside the emitted JavaScript.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Include source code in the sourcemaps inside the emitted JavaScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#inlineSources"
            },
            "jsx": {
              "description": "Specify what JSX code is generated.",
              "enum": [
                "preserve",
                "react",
                "react-jsx",
                "react-jsxdev",
                "react-native"
              ]
            },
            "reactNamespace": {
              "description": "Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit.",
              "type": "string",
              "default": "React",
              "markdownDescription": "Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit.\n\nSee more: https://www.typescriptlang.org/tsconfig#reactNamespace"
            },
            "jsxFactory": {
              "description": "Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'",
              "type": "string",
              "default": "React.createElement",
              "markdownDescription": "Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxFactory"
            },
            "jsxFragmentFactory": {
              "description": "Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'.",
              "type": "string",
              "default": "React.Fragment",
              "markdownDescription": "Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'.\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxFragmentFactory"
            },
            "jsxImportSource": {
              "description": "Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.`",
              "type": "string",
              "default": "react",
              "markdownDescription": "Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.`\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxImportSource"
            },
            "listFiles": {
              "description": "Print all of the files read during the compilation.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Print all of the files read during the compilation.\n\nSee more: https://www.typescriptlang.org/tsconfig#listFiles"
            },
            "mapRoot": {
              "description": "Specify the location where debugger should locate map files instead of generated locations.",
              "type": "string",
              "markdownDescription": "Specify the location where debugger should locate map files instead of generated locations.\n\nSee more: https://www.typescriptlang.org/tsconfig#mapRoot"
            },
            "module": {
              "description": "Specify what module code is generated.",
              "type": "string",
              "anyOf": [
                {
                  "enum": [
                    "CommonJS",
                    "AMD",
                    "System",
                    "UMD",
                    "ES6",
                    "ES2015",
                    "ES2020",
                    "ESNext",
                    "None"
                  ]
                },
                {
                  "pattern": "^([Cc][Oo][Mm][Mm][Oo][Nn][Jj][Ss]|[AaUu][Mm][Dd]|[Ss][Yy][Ss][Tt][Ee][Mm]|[Ee][Ss]([356]|201[567]|2020|[Nn][Ee][Xx][Tt])|[Nn][Oo][Nn][Ee])$"
                }
              ],
              "markdownDescription": "Specify what module code is generated.\n\nSee more: https://www.typescriptlang.org/tsconfig#module"
            },
            "moduleResolution": {
              "description": "Specify how TypeScript looks up a file from a given module specifier.",
              "type": "string",
              "anyOf": [
                {
                  "enum": ["Classic", "Node"]
                },
                {
                  "pattern": "^(([Nn]ode)|([Cc]lassic))$"
                }
              ],
              "default": "classic",
              "markdownDescription": "Specify how TypeScript looks up a file from a given module specifier.\n\nSee more: https://www.typescriptlang.org/tsconfig#moduleResolution"
            },
            "newLine": {
              "description": "Set the newline character for emitting files.",
              "type": "string",
              "anyOf": [
                {
                  "enum": ["crlf", "lf"]
                },
                {
                  "pattern": "^(CRLF|LF|crlf|lf)$"
                }
              ],
              "markdownDescription": "Set the newline character for emitting files.\n\nSee more: https://www.typescriptlang.org/tsconfig#newLine"
            },
            "noEmit": {
              "description": "Disable emitting file from a compilation.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable emitting file from a compilation.\n\nSee more: https://www.typescriptlang.org/tsconfig#noEmit"
            },
            "noEmitHelpers": {
              "description": "Disable generating custom helper functions like `__extends` in compiled output.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable generating custom helper functions like `__extends` in compiled output.\n\nSee more: https://www.typescriptlang.org/tsconfig#noEmitHelpers"
            },
            "noEmitOnError": {
              "description": "Disable emitting files if any type checking errors are reported.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable emitting files if any type checking errors are reported.\n\nSee more: https://www.typescriptlang.org/tsconfig#noEmitOnError"
            },
            "noImplicitAny": {
              "description": "Enable error reporting for expressions and declarations with an implied `any` type..",
              "type": "boolean",
              "markdownDescription": "Enable error reporting for expressions and declarations with an implied `any` type..\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitAny"
            },
            "noImplicitThis": {
              "description": "Enable error reporting when `this` is given the type `any`.",
              "type": "boolean",
              "markdownDescription": "Enable error reporting when `this` is given the type `any`.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitThis"
            },
            "noUnusedLocals": {
              "description": "Enable error reporting when a local variables aren't read.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Enable error reporting when a local variables aren't read.\n\nSee more: https://www.typescriptlang.org/tsconfig#noUnusedLocals"
            },
            "noUnusedParameters": {
              "description": "Raise an error when a function parameter isn't read",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Raise an error when a function parameter isn't read\n\nSee more: https://www.typescriptlang.org/tsconfig#noUnusedParameters"
            },
            "noLib": {
              "description": "Disable including any library files, including the default lib.d.ts.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable including any library files, including the default lib.d.ts.\n\nSee more: https://www.typescriptlang.org/tsconfig#noLib"
            },
            "noResolve": {
              "description": "Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project.\n\nSee more: https://www.typescriptlang.org/tsconfig#noResolve"
            },
            "noStrictGenericChecks": {
              "description": "Disable strict checking of generic signatures in function types.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable strict checking of generic signatures in function types.\n\nSee more: https://www.typescriptlang.org/tsconfig#noStrictGenericChecks"
            },
            "skipDefaultLibCheck": {
              "description": "Skip type checking .d.ts files that are included with TypeScript.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Skip type checking .d.ts files that are included with TypeScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#skipDefaultLibCheck"
            },
            "skipLibCheck": {
              "description": "Skip type checking all .d.ts files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Skip type checking all .d.ts files.\n\nSee more: https://www.typescriptlang.org/tsconfig#skipLibCheck"
            },
            "outFile": {
              "description": "Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output.",
              "type": "string",
              "markdownDescription": "Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output.\n\nSee more: https://www.typescriptlang.org/tsconfig#outFile"
            },
            "outDir": {
              "description": "Specify an output folder for all emitted files.",
              "type": "string",
              "markdownDescription": "Specify an output folder for all emitted files.\n\nSee more: https://www.typescriptlang.org/tsconfig#outDir"
            },
            "preserveConstEnums": {
              "description": "Disable erasing `const enum` declarations in generated code.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable erasing `const enum` declarations in generated code.\n\nSee more: https://www.typescriptlang.org/tsconfig#preserveConstEnums"
            },
            "preserveSymlinks": {
              "description": "Disable resolving symlinks to their realpath. This correlates to the same flag in node.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable resolving symlinks to their realpath. This correlates to the same flag in node.\n\nSee more: https://www.typescriptlang.org/tsconfig#preserveSymlinks"
            },
            "preserveWatchOutput": {
              "description": "Disable wiping the console in watch mode",
              "type": "boolean",
              "markdownDescription": "Disable wiping the console in watch mode\n\nSee more: https://www.typescriptlang.org/tsconfig#preserveWatchOutput"
            },
            "pretty": {
              "description": "Enable color and formatting in output to make compiler errors easier to read",
              "type": "boolean",
              "default": true,
              "markdownDescription": "Enable color and formatting in output to make compiler errors easier to read\n\nSee more: https://www.typescriptlang.org/tsconfig#pretty"
            },
            "removeComments": {
              "description": "Disable emitting comments.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable emitting comments.\n\nSee more: https://www.typescriptlang.org/tsconfig#removeComments"
            },
            "rootDir": {
              "description": "Specify the root folder within your source files.",
              "type": "string",
              "markdownDescription": "Specify the root folder within your source files.\n\nSee more: https://www.typescriptlang.org/tsconfig#rootDir"
            },
            "isolatedModules": {
              "description": "Ensure that each file can be safely transpiled without relying on other imports.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Ensure that each file can be safely transpiled without relying on other imports.\n\nSee more: https://www.typescriptlang.org/tsconfig#isolatedModules"
            },
            "sourceMap": {
              "description": "Create source map files for emitted JavaScript files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Create source map files for emitted JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#sourceMap"
            },
            "sourceRoot": {
              "description": "Specify the root path for debuggers to find the reference source code.",
              "type": "string",
              "markdownDescription": "Specify the root path for debuggers to find the reference source code.\n\nSee more: https://www.typescriptlang.org/tsconfig#sourceRoot"
            },
            "suppressExcessPropertyErrors": {
              "description": "Disable reporting of excess property errors during the creation of object literals.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable reporting of excess property errors during the creation of object literals.\n\nSee more: https://www.typescriptlang.org/tsconfig#suppressExcessPropertyErrors"
            },
            "suppressImplicitAnyIndexErrors": {
              "description": "Suppress `noImplicitAny` errors when indexing objects that lack index signatures.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Suppress `noImplicitAny` errors when indexing objects that lack index signatures.\n\nSee more: https://www.typescriptlang.org/tsconfig#suppressImplicitAnyIndexErrors"
            },
            "stripInternal": {
              "description": "Disable emitting declarations that have `@internal` in their JSDoc comments.",
              "type": "boolean",
              "markdownDescription": "Disable emitting declarations that have `@internal` in their JSDoc comments.\n\nSee more: https://www.typescriptlang.org/tsconfig#stripInternal"
            },
            "target": {
              "description": "Set the JavaScript language version for emitted JavaScript and include compatible library declarations.",
              "type": "string",
              "default": "ES3",
              "anyOf": [
                {
                  "enum": [
                    "ES3",
                    "ES5",
                    "ES6",
                    "ES2015",
                    "ES2016",
                    "ES2017",
                    "ES2018",
                    "ES2019",
                    "ES2020",
                    "ESNext"
                  ]
                },
                {
                  "pattern": "^([Ee][Ss]([356]|(20(1[56789]|20))|[Nn][Ee][Xx][Tt]))$"
                }
              ],
              "markdownDescription": "Set the JavaScript language version for emitted JavaScript and include compatible library declarations.\n\nSee more: https://www.typescriptlang.org/tsconfig#target"
            },
            "watch": {
              "description": "Watch input files.",
              "type": "boolean"
            },
            "fallbackPolling": {
              "description": "Specify what approach the watcher should use if the system runs out of native file watchers.",
              "enum": [
                "fixedPollingInterval",
                "priorityPollingInterval",
                "dynamicPriorityPolling"
              ]
            },
            "watchDirectory": {
              "description": "Specify how directories are watched on systems that lack recursive file-watching functionality.",
              "enum": [
                "useFsEvents",
                "fixedPollingInterval",
                "dynamicPriorityPolling"
              ],
              "default": "useFsEvents"
            },
            "watchFile": {
              "description": "Specify how the TypeScript watch mode works.",
              "enum": [
                "fixedPollingInterval",
                "priorityPollingInterval",
                "dynamicPriorityPolling",
                "useFsEvents",
                "useFsEventsOnParentDirectory"
              ],
              "default": "useFsEvents"
            },
            "experimentalDecorators": {
              "description": "Enable experimental support for TC39 stage 2 draft decorators.",
              "type": "boolean",
              "markdownDescription": "Enable experimental support for TC39 stage 2 draft decorators.\n\nSee more: https://www.typescriptlang.org/tsconfig#experimentalDecorators"
            },
            "emitDecoratorMetadata": {
              "description": "Emit design-type metadata for decorated declarations in source files.",
              "type": "boolean",
              "markdownDescription": "Emit design-type metadata for decorated declarations in source files.\n\nSee more: https://www.typescriptlang.org/tsconfig#emitDecoratorMetadata"
            },
            "allowUnusedLabels": {
              "description": "Disable error reporting for unused labels.",
              "type": "boolean",
              "markdownDescription": "Disable error reporting for unused labels.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUnusedLabels"
            },
            "noImplicitReturns": {
              "description": "Enable error reporting for codepaths that do not explicitly return in a function.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Enable error reporting for codepaths that do not explicitly return in a function.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitReturns"
            },
            "noUncheckedIndexedAccess": {
              "description": "Add `undefined` to a type when accessed using an index.",
              "type": "boolean",
              "markdownDescription": "Add `undefined` to a type when accessed using an index.\n\nSee more: https://www.typescriptlang.org/tsconfig#noUncheckedIndexedAccess"
            },
            "noFallthroughCasesInSwitch": {
              "description": "Enable error reporting for fallthrough cases in switch statements.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Enable error reporting for fallthrough cases in switch statements.\n\nSee more: https://www.typescriptlang.org/tsconfig#noFallthroughCasesInSwitch"
            },
            "allowUnreachableCode": {
              "description": "Disable error reporting for unreachable code.",
              "type": "boolean",
              "markdownDescription": "Disable error reporting for unreachable code.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUnreachableCode"
            },
            "forceConsistentCasingInFileNames": {
              "description": "Ensure that casing is correct in imports.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Ensure that casing is correct in imports.\n\nSee more: https://www.typescriptlang.org/tsconfig#forceConsistentCasingInFileNames"
            },
            "generateCpuProfile": {
              "description": "Emit a v8 CPU profile of the compiler run for debugging.",
              "type": "string",
              "default": "profile.cpuprofile",
              "markdownDescription": "Emit a v8 CPU profile of the compiler run for debugging.\n\nSee more: https://www.typescriptlang.org/tsconfig#generateCpuProfile"
            },
            "baseUrl": {
              "description": "Specify the base directory to resolve non-relative module names.",
              "type": "string",
              "markdownDescription": "Specify the base directory to resolve non-relative module names.\n\nSee more: https://www.typescriptlang.org/tsconfig#baseUrl"
            },
            "paths": {
              "description": "Specify a set of entries that re-map imports to additional lookup locations.",
              "type": "object",
              "additionalProperties": {
                "type": "array",
                "uniqueItems": true,
                "items": {
                  "type": "string",
                  "description": "Path mapping to be computed relative to baseUrl option."
                }
              },
              "markdownDescription": "Specify a set of entries that re-map imports to additional lookup locations.\n\nSee more: https://www.typescriptlang.org/tsconfig#paths"
            },
            "plugins": {
              "description": "Specify a list of language service plugins to include.",
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "name": {
                    "description": "Plugin name.",
                    "type": "string"
                  }
                }
              },
              "markdownDescription": "Specify a list of language service plugins to include.\n\nSee more: https://www.typescriptlang.org/tsconfig#plugins"
            },
            "rootDirs": {
              "description": "Allow multiple folders to be treated as one when resolving modules.",
              "type": "array",
              "uniqueItems": true,
              "items": {
                "type": "string"
              },
              "markdownDescription": "Allow multiple folders to be treated as one when resolving modules.\n\nSee more: https://www.typescriptlang.org/tsconfig#rootDirs"
            },
            "typeRoots": {
              "description": "Specify multiple folders that act like `./node_modules/@types`.",
              "type": "array",
              "uniqueItems": true,
              "items": {
                "type": "string"
              },
              "markdownDescription": "Specify multiple folders that act like `./node_modules/@types`.\n\nSee more: https://www.typescriptlang.org/tsconfig#typeRoots"
            },
            "types": {
              "description": "Specify type package names to be included without being referenced in a source file.",
              "type": "array",
              "uniqueItems": true,
              "items": {
                "type": "string"
              },
              "markdownDescription": "Specify type package names to be included without being referenced in a source file.\n\nSee more: https://www.typescriptlang.org/tsconfig#types"
            },
            "traceResolution": {
              "description": "Log paths used during the `moduleResolution` process.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Log paths used during the `moduleResolution` process.\n\nSee more: https://www.typescriptlang.org/tsconfig#traceResolution"
            },
            "allowJs": {
              "description": "Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowJs"
            },
            "noErrorTruncation": {
              "description": "Disable truncating types in error messages.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable truncating types in error messages.\n\nSee more: https://www.typescriptlang.org/tsconfig#noErrorTruncation"
            },
            "allowSyntheticDefaultImports": {
              "description": "Allow 'import x from y' when a module doesn't have a default export.",
              "type": "boolean",
              "markdownDescription": "Allow 'import x from y' when a module doesn't have a default export.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowSyntheticDefaultImports"
            },
            "noImplicitUseStrict": {
              "description": "Disable adding 'use strict' directives in emitted JavaScript files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Disable adding 'use strict' directives in emitted JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitUseStrict"
            },
            "listEmittedFiles": {
              "description": "Print the names of emitted files after a compilation.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Print the names of emitted files after a compilation.\n\nSee more: https://www.typescriptlang.org/tsconfig#listEmittedFiles"
            },
            "disableSizeLimit": {
              "description": "Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server.\n\nSee more: https://www.typescriptlang.org/tsconfig#disableSizeLimit"
            },
            "lib": {
              "description": "Specify a set of bundled library declaration files that describe the target runtime environment.",
              "type": "array",
              "uniqueItems": true,
              "items": {
                "type": "string",
                "anyOf": [
                  {
                    "enum": [
                      "ES5",
                      "ES6",
                      "ES2015",
                      "ES2015.Collection",
                      "ES2015.Core",
                      "ES2015.Generator",
                      "ES2015.Iterable",
                      "ES2015.Promise",
                      "ES2015.Proxy",
                      "ES2015.Reflect",
                      "ES2015.Symbol.WellKnown",
                      "ES2015.Symbol",
                      "ES2016",
                      "ES2016.Array.Include",
                      "ES2017",
                      "ES2017.Intl",
                      "ES2017.Object",
                      "ES2017.SharedMemory",
                      "ES2017.String",
                      "ES2017.TypedArrays",
                      "ES2018",
                      "ES2018.AsyncGenerator",
                      "ES2018.AsyncIterable",
                      "ES2018.Intl",
                      "ES2018.Promise",
                      "ES2018.Regexp",
                      "ES2019",
                      "ES2019.Array",
                      "ES2019.Object",
                      "ES2019.String",
                      "ES2019.Symbol",
                      "ES2020",
                      "ES2020.BigInt",
                      "ES2020.Promise",
                      "ES2020.String",
                      "ES2020.Symbol.WellKnown",
                      "ESNext",
                      "ESNext.Array",
                      "ESNext.AsyncIterable",
                      "ESNext.BigInt",
                      "ESNext.Intl",
                      "ESNext.Promise",
                      "ESNext.String",
                      "ESNext.Symbol",
                      "DOM",
                      "DOM.Iterable",
                      "ScriptHost",
                      "WebWorker",
                      "WebWorker.ImportScripts"
                    ]
                  },
                  {
                    "pattern": "^[Ee][Ss]5|[Ee][Ss]6|[Ee][Ss]7$"
                  },
                  {
                    "pattern": "^[Ee][Ss]2015(\\.([Cc][Oo][Ll][Ll][Ee][Cc][Tt][Ii][Oo][Nn]|[Cc][Oo][Rr][Ee]|[Gg][Ee][Nn][Ee][Rr][Aa][Tt][Oo][Rr]|[Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Pp][Rr][Oo][Xx][Yy]|[Rr][Ee][Ff][Ll][Ee][Cc][Tt]|[Ss][Yy][Mm][Bb][Oo][Ll].[Ww][Ee][Ll][Ll][Kk][Nn][Oo][Ww][Nn]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
                  },
                  {
                    "pattern": "^[Ee][Ss]2016(\\.[Aa][Rr][Rr][Aa][Yy].[Ii][Nn][Cc][Ll][Uu][Dd][Ee])?$"
                  },
                  {
                    "pattern": "^[Ee][Ss]2017(\\.([Ii][Nn][Tt][Ll]|[Oo][Bb][Jj][Ee][Cc][Tt]|[Ss][Hh][Aa][Rr][Ee][Dd][Mm][Ee][Mm][Oo][Rr][Yy]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Tt][Yy][Pp][Ee][Dd][Aa][Rr][Rr][Aa][Yy][Ss]))?$"
                  },
                  {
                    "pattern": "^[Ee][Ss]2018(\\.([Aa][Ss][Yy][Nn][Cc][Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Ii][Nn][Tt][Ll]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Rr][Ee][Gg][Ee][Xx][Pp]))?$"
                  },
                  {
                    "pattern": "^[Ee][Ss]2019(\\.([Aa][Rr][Rr][Aa][Yy]|[Oo][Bb][Jj][Ee][Cc][Tt]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
                  },
                  {
                    "pattern": "^[Ee][Ss]2020(\\.([Bb][Ii][Gg][Ii][Nn][Tt]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Ss][Yy][Mm][Bb][Oo][Ll].[Ww][Ee][Ll][Ll][Kk][Nn][Oo][Ww][Nn]))?$"
                  },
                  {
                    "pattern": "^[Ee][Ss][Nn][Ee][Xx][Tt](\\.([Aa][Rr][Rr][Aa][Yy]|[Aa][Ss][Yy][Nn][Cc][Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Bb][Ii][Gg][Ii][Nn][Tt]|[Ii][Nn][Tt][Ll]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
                  },
                  {
                    "pattern": "^[Dd][Oo][Mm](\\.[Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee])?$"
                  },
                  {
                    "pattern": "^[Ss][Cc][Rr][Ii][Pp][Tt][Hh][Oo][Ss][Tt]$"
                  },
                  {
                    "pattern": "^[Ww][Ee][Bb][Ww][Oo][Rr][Kk][Ee][Rr](\\.[Ii][Mm][Pp][Oo][Rr][Tt][Ss][Cc][Rr][Ii][Pp][Tt][Ss])?$"
                  }
                ]
              },
              "markdownDescription": "Specify a set of bundled library declaration files that describe the target runtime environment.\n\nSee more: https://www.typescriptlang.org/tsconfig#lib"
            },
            "strictNullChecks": {
              "description": "When type checking, take into account `null` and `undefined`.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "When type checking, take into account `null` and `undefined`.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictNullChecks"
            },
            "maxNodeModuleJsDepth": {
              "description": "Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`.",
              "type": "number",
              "default": 0,
              "markdownDescription": "Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`.\n\nSee more: https://www.typescriptlang.org/tsconfig#maxNodeModuleJsDepth"
            },
            "importHelpers": {
              "description": "Allow importing helper functions from tslib once per project, instead of including them per-file.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Allow importing helper functions from tslib once per project, instead of including them per-file.\n\nSee more: https://www.typescriptlang.org/tsconfig#importHelpers"
            },
            "importsNotUsedAsValues": {
              "description": "Specify emit/checking behavior for imports that are only used for types.",
              "default": "remove",
              "enum": ["remove", "preserve", "error"]
            },
            "alwaysStrict": {
              "description": "Ensure 'use strict' is always emitted.",
              "type": "boolean",
              "markdownDescription": "Ensure 'use strict' is always emitted.\n\nSee more: https://www.typescriptlang.org/tsconfig#alwaysStrict"
            },
            "strict": {
              "description": "Enable all strict type checking options.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Enable all strict type checking options.\n\nSee more: https://www.typescriptlang.org/tsconfig#strict"
            },
            "strictBindCallApply": {
              "description": "Check that the arguments for `bind`, `call`, and `apply` methods match the original function.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Check that the arguments for `bind`, `call`, and `apply` methods match the original function.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictBindCallApply"
            },
            "downlevelIteration": {
              "description": "Emit more compliant, but verbose and less performant JavaScript for iteration.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Emit more compliant, but verbose and less performant JavaScript for iteration.\n\nSee more: https://www.typescriptlang.org/tsconfig#downlevelIteration"
            },
            "checkJs": {
              "description": "Enable error reporting in type-checked JavaScript files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Enable error reporting in type-checked JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#checkJs"
            },
            "strictFunctionTypes": {
              "description": "When assigning functions, check to ensure parameters and the return values are subtype-compatible.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "When assigning functions, check to ensure parameters and the return values are subtype-compatible.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictFunctionTypes"
            },
            "strictPropertyInitialization": {
              "description": "Check for class properties that are declared but not set in the constructor.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Check for class properties that are declared but not set in the constructor.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictPropertyInitialization"
            },
            "esModuleInterop": {
              "description": "Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility.\n\nSee more: https://www.typescriptlang.org/tsconfig#esModuleInterop"
            },
            "allowUmdGlobalAccess": {
              "description": "Allow accessing UMD globals from modules.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Allow accessing UMD globals from modules.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUmdGlobalAccess"
            },
            "keyofStringsOnly": {
              "description": "Make keyof only return strings instead of string, numbers or symbols. Legacy option.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Make keyof only return strings instead of string, numbers or symbols. Legacy option.\n\nSee more: https://www.typescriptlang.org/tsconfig#keyofStringsOnly"
            },
            "useDefineForClassFields": {
              "description": "Emit ECMAScript-standard-compliant class fields.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Emit ECMAScript-standard-compliant class fields.\n\nSee more: https://www.typescriptlang.org/tsconfig#useDefineForClassFields"
            },
            "declarationMap": {
              "description": "Create sourcemaps for d.ts files.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Create sourcemaps for d.ts files.\n\nSee more: https://www.typescriptlang.org/tsconfig#declarationMap"
            },
            "resolveJsonModule": {
              "description": "Enable importing .json files",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Enable importing .json files\n\nSee more: https://www.typescriptlang.org/tsconfig#resolveJsonModule"
            },
            "assumeChangesOnlyAffectDirectDependencies": {
              "description": "Have recompiles in projects that use `incremental` and `watch` mode assume that changes within a file will only affect files directly depending on it.",
              "type": "boolean",
              "markdownDescription": "Have recompiles in projects that use `incremental` and `watch` mode assume that changes within a file will only affect files directly depending on it.\n\nSee more: https://www.typescriptlang.org/tsconfig#assumeChangesOnlyAffectDirectDependencies"
            },
            "extendedDiagnostics": {
              "description": "Output more detailed compiler performance information after building.",
              "type": "boolean",
              "default": false,
              "markdownDescription": "Output more detailed compiler performance information after building.\n\nSee more: https://www.typescriptlang.org/tsconfig#extendedDiagnostics"
            },
            "listFilesOnly": {
              "description": "Print names of files that are part of the compilation and then stop processing.",
              "type": "boolean"
            },
            "disableSourceOfProjectReferenceRedirect": {
              "description": "Disable preferring source files instead of declaration files when referencing composite projects",
              "type": "boolean",
              "markdownDescription": "Disable preferring source files instead of declaration files when referencing composite projects\n\nSee more: https://www.typescriptlang.org/tsconfig#disableSourceOfProjectReferenceRedirect"
            },
            "disableSolutionSearching": {
              "description": "Opt a project out of multi-project reference checking when editing.",
              "type": "boolean",
              "markdownDescription": "Opt a project out of multi-project reference checking when editing.\n\nSee more: https://www.typescriptlang.org/tsconfig#disableSolutionSearching"
            }
          }
        }
      }
    },
    "typeAcquisitionDefinition": {
      "properties": {
        "typeAcquisition": {
          "type": "object",
          "description": "Auto type (.d.ts) acquisition options for this project. Requires TypeScript version 2.1 or later.",
          "properties": {
            "enable": {
              "description": "Enable auto type acquisition",
              "type": "boolean",
              "default": false
            },
            "include": {
              "description": "Specifies a list of type declarations to be included in auto type acquisition. Ex. [\"jquery\", \"lodash\"]",
              "type": "array",
              "uniqueItems": true,
              "items": {
                "type": "string"
              }
            },
            "exclude": {
              "description": "Specifies a list of type declarations to be excluded from auto type acquisition. Ex. [\"jquery\", \"lodash\"]",
              "type": "array",
              "uniqueItems": true,
              "items": {
                "type": "string"
              }
            }
          }
        }
      }
    },
    "referencesDefinition": {
      "properties": {
        "references": {
          "type": "array",
          "uniqueItems": true,
          "description": "Referenced projects. Requires TypeScript version 3.0 or later.",
          "items": {
            "type": "object",
            "description": "Project reference.",
            "properties": {
              "path": {
                "type": "string",
                "description": "Path to referenced tsconfig or to folder containing tsconfig."
              }
            }
          }
        }
      }
    },
    "tsNodeDefinition": {
      "properties": {
        "ts-node": {
          "description": "ts-node options.  See also: https://github.com/TypeStrong/ts-node#configuration-options\n\nts-node offers TypeScript execution and REPL for node.js, with source map support.",
          "properties": {
            "compiler": {
              "default": "typescript",
              "description": "Specify a custom TypeScript compiler.",
              "type": "string"
            },
            "compilerHost": {
              "default": false,
              "description": "Use TypeScript's compiler host API.",
              "type": "boolean"
            },
            "compilerOptions": {
              "additionalProperties": true,
              "allOf": [
                {
                  "$ref": "#/definitions/compilerOptionsDefinition/properties/compilerOptions"
                }
              ],
              "description": "JSON object to merge with compiler options.",
              "properties": {},
              "type": "object"
            },
            "emit": {
              "default": false,
              "description": "Emit output files into `.ts-node` directory.",
              "type": "boolean"
            },
            "files": {
              "default": false,
              "description": "Load files from `tsconfig.json` on startup.",
              "type": "boolean"
            },
            "ignore": {
              "default": "/node_modules/",
              "description": "Override the path patterns to skip compilation.",
              "items": {
                "type": "string"
              },
              "type": "array",
              "uniqueItems": true
            },
            "ignoreDiagnostics": {
              "description": "Ignore TypeScript warnings by diagnostic code.",
              "items": {
                "type": ["string", "number"]
              },
              "type": "array",
              "uniqueItems": true
            },
            "logError": {
              "default": false,
              "description": "Logs TypeScript errors to stderr instead of throwing exceptions.",
              "type": "boolean"
            },
            "preferTsExts": {
              "default": false,
              "description": "Re-order file extensions so that TypeScript imports are preferred.",
              "type": "boolean"
            },
            "pretty": {
              "default": false,
              "description": "Use pretty diagnostic formatter.",
              "type": "boolean"
            },
            "require": {
              "description": "Modules to require, like node's `--require` flag.\n\nIf specified in tsconfig.json, the modules will be resolved relative to the tsconfig.json file.\n\nIf specified programmatically, each input string should be pre-resolved to an absolute path for\nbest results.",
              "items": {
                "type": "string"
              },
              "type": "array",
              "uniqueItems": true
            },
            "scope": {
              "default": false,
              "description": "Scope compiler to files within `cwd`.",
              "type": "boolean"
            },
            "skipIgnore": {
              "default": false,
              "description": "Skip ignore check.",
              "type": "boolean"
            },
            "transpileOnly": {
              "default": false,
              "description": "Use TypeScript's faster `transpileModule`.",
              "type": "boolean"
            },
            "typeCheck": {
              "default": true,
              "description": "**DEPRECATED** Specify type-check is enabled (e.g. `transpileOnly == false`).",
              "type": "boolean"
            }
          },
          "type": "object"
        }
      }
    }
  },
  "type": "object",
  "allOf": [
    {
      "$ref": "#/definitions/compilerOptionsDefinition"
    },
    {
      "$ref": "#/definitions/compileOnSaveDefinition"
    },
    {
      "$ref": "#/definitions/typeAcquisitionDefinition"
    },
    {
      "$ref": "#/definitions/extendsDefinition"
    },
    {
      "$ref": "#/definitions/tsNodeDefinition"
    },
    {
      "anyOf": [
        {
          "$ref": "#/definitions/filesDefinition"
        },
        {
          "$ref": "#/definitions/excludeDefinition"
        },
        {
          "$ref": "#/definitions/includeDefinition"
        },
        {
          "$ref": "#/definitions/referencesDefinition"
        }
      ]
    }
  ]
}

{
  "title": "JSON schema for the TypeScript compiler's configuration file",
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "https://json.schemastore.org/tsconfig",
  "definitions": {
    "//": {
      "explainer": "https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#overview",
      "reference": "https://www.typescriptlang.org/tsconfig",
      "reference metadata": "https://github.com/microsoft/TypeScript-Website/blob/v2/packages/tsconfig-reference/scripts/tsconfigRules.ts"
    },
    "filesDefinition": {...},
    "excludeDefinition": {...},
    "includeDefinition": {...},
    "compileOnSaveDefinition": {...},
    "extendsDefinition": {...},
    "compilerOptionsDefinition": {...},
    "typeAcquisitionDefinition": {...},
    "referencesDefinition": {...},
    "tsNodeDefinition": {...}
  },
  "type": "object",
  "allOf": [
    {
      "$ref": "#/definitions/compilerOptionsDefinition"
    },
    {
      "$ref": "#/definitions/compileOnSaveDefinition"
    },
    {
      "$ref": "#/definitions/typeAcquisitionDefinition"
    },
    {
      "$ref": "#/definitions/extendsDefinition"
    },
    {
      "$ref": "#/definitions/tsNodeDefinition"
    },
    {
      "anyOf": [
        {
          "$ref": "#/definitions/filesDefinition"
        },
        {
          "$ref": "#/definitions/excludeDefinition"
        },
        {
          "$ref": "#/definitions/includeDefinition"
        },
        {
          "$ref": "#/definitions/referencesDefinition"
        }
      ]
    }
  ]
}

{
  ...,
  "compileOnSaveDefinition": {
    "properties": {
      "compileOnSave": {
        "description": "Enable Compile-on-Save for this project.",
        "type": "boolean"
      }
    }
  },
  ...,
}

{
  ...,
  "extendsDefinition": {
    "properties": {
      "extends": {
        "description": "Path to base configuration file to inherit from. Requires TypeScript version 2.1 or later.",
        "type": "string"
      }
    }
  },
  ...,
}

// in PROJECT/base.json
{
  "compilerOptions": {
    "strict": true
  }
}


// in PROJECT/tsconfig.json
{
  "extends": "./base.json",
}

{
  "extends": "@tsconfig/deno/tsconfig.json",
  ...
}

{
  ...,
  "filesDefinition": {
    "properties": {
      "files": {
        "description": "If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. When a 'files' property is specified, only those files and those specified by 'include' are included.",
        "type": "array",
        "uniqueItems": true,
        "items": {
          "type": "string"
        }
      }
    }
  },
  "excludeDefinition": {
    "properties": {
      "exclude": {
        "description": "Specifies a list of files to be excluded from compilation. The 'exclude' property only affects the files included via the 'include' property and not the 'files' property. Glob patterns require TypeScript version 2.0 or later.",
        "type": "array",
        "uniqueItems": true,
        "items": {
          "type": "string"
        }
      }
    }
  },
  "includeDefinition": {
    "properties": {
      "include": {
        "description": "Specifies a list of glob patterns that match files to be included in compilation. If no 'files' or 'include' property is present in a tsconfig.json, the compiler defaults to including all files in the containing directory and subdirectories except those specified by 'exclude'. Requires TypeScript version 2.0 or later.",
        "type": "array",
        "uniqueItems": true,
        "items": {
          "type": "string"
        }
      }
    }
  },
  ...,
}

{
  ...,
  "compilerOptionsDefinition":{
    "properties":{
      "compilerOptions":{
        "type":"object",
        "description":"Instructs the TypeScript compiler how to compile .ts files.",
        "properties":{
          "charset":{
            "description":"No longer supported. In early versions, manually set the text encoding for reading files.",
            "type":"string",
            "markdownDescription":"No longer supported. In early versions, manually set the text encoding for reading files.\n\nSee more: https://www.typescriptlang.org/tsconfig#charset"
          },
          "composite":{
            "description":"Enable constraints that allow a TypeScript project to be used with project references.",
            "type":"boolean",
            "default":true,
            "markdownDescription":"Enable constraints that allow a TypeScript project to be used with project references.\n\nSee more: https://www.typescriptlang.org/tsconfig#composite"
          },
          "declaration":{
            "description":"Generate .d.ts files from TypeScript and JavaScript files in your project.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Generate .d.ts files from TypeScript and JavaScript files in your project.\n\nSee more: https://www.typescriptlang.org/tsconfig#declaration"
          },
          "declarationDir":{
            "description":"Specify the output directory for generated declaration files.",
            "type":[
              "string",
              "null"
            ],
            "markdownDescription":"Specify the output directory for generated declaration files.\n\nSee more: https://www.typescriptlang.org/tsconfig#declarationDir"
          },
          "diagnostics":{
            "description":"Output compiler performance information after building.",
            "type":"boolean",
            "markdownDescription":"Output compiler performance information after building.\n\nSee more: https://www.typescriptlang.org/tsconfig#diagnostics"
          },
          "disableReferencedProjectLoad":{
            "description":"Reduce the number of projects loaded automatically by TypeScript.",
            "type":"boolean",
            "markdownDescription":"Reduce the number of projects loaded automatically by TypeScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#disableReferencedProjectLoad"
          },
          "noPropertyAccessFromIndexSignature":{
            "description":"Enforces using indexed accessors for keys declared using an indexed type",
            "type":"boolean",
            "markdownDescription":"Enforces using indexed accessors for keys declared using an indexed type\n\nSee more: https://www.typescriptlang.org/tsconfig#noPropertyAccessFromIndexSignature"
          },
          "emitBOM":{
            "description":"Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files.\n\nSee more: https://www.typescriptlang.org/tsconfig#emitBOM"
          },
          "emitDeclarationOnly":{
            "description":"Only output d.ts files and not JavaScript files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Only output d.ts files and not JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#emitDeclarationOnly"
          },
          "incremental":{
            "description":"Save .tsbuildinfo files to allow for incremental compilation of projects.",
            "type":"boolean",
            "markdownDescription":"Save .tsbuildinfo files to allow for incremental compilation of projects.\n\nSee more: https://www.typescriptlang.org/tsconfig#incremental"
          },
          "tsBuildInfoFile":{
            "description":"Specify the folder for .tsbuildinfo incremental compilation files.",
            "default":".tsbuildinfo",
            "type":"string",
            "markdownDescription":"Specify the folder for .tsbuildinfo incremental compilation files.\n\nSee more: https://www.typescriptlang.org/tsconfig#tsBuildInfoFile"
          },
          "inlineSourceMap":{
            "description":"Include sourcemap files inside the emitted JavaScript.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Include sourcemap files inside the emitted JavaScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#inlineSourceMap"
          },
          "inlineSources":{
            "description":"Include source code in the sourcemaps inside the emitted JavaScript.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Include source code in the sourcemaps inside the emitted JavaScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#inlineSources"
          },
          "jsx":{
            "description":"Specify what JSX code is generated.",
            "enum":[
              "preserve",
              "react",
              "react-jsx",
              "react-jsxdev",
              "react-native"
            ]
          },
          "reactNamespace":{
            "description":"Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit.",
            "type":"string",
            "default":"React",
            "markdownDescription":"Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit.\n\nSee more: https://www.typescriptlang.org/tsconfig#reactNamespace"
          },
          "jsxFactory":{
            "description":"Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'",
            "type":"string",
            "default":"React.createElement",
            "markdownDescription":"Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxFactory"
          },
          "jsxFragmentFactory":{
            "description":"Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'.",
            "type":"string",
            "default":"React.Fragment",
            "markdownDescription":"Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'.\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxFragmentFactory"
          },
          "jsxImportSource":{
            "description":"Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.`",
            "type":"string",
            "default":"react",
            "markdownDescription":"Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.`\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxImportSource"
          },
          "listFiles":{
            "description":"Print all of the files read during the compilation.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Print all of the files read during the compilation.\n\nSee more: https://www.typescriptlang.org/tsconfig#listFiles"
          },
          "mapRoot":{
            "description":"Specify the location where debugger should locate map files instead of generated locations.",
            "type":"string",
            "markdownDescription":"Specify the location where debugger should locate map files instead of generated locations.\n\nSee more: https://www.typescriptlang.org/tsconfig#mapRoot"
          },
          "module":{
            "description":"Specify what module code is generated.",
            "type":"string",
            "anyOf":[
              {
                "enum":[
                  "CommonJS",
                  "AMD",
                  "System",
                  "UMD",
                  "ES6",
                  "ES2015",
                  "ES2020",
                  "ESNext",
                  "None"
                ]
              },
              {
                "pattern":"^([Cc][Oo][Mm][Mm][Oo][Nn][Jj][Ss]|[AaUu][Mm][Dd]|[Ss][Yy][Ss][Tt][Ee][Mm]|[Ee][Ss]([356]|201[567]|2020|[Nn][Ee][Xx][Tt])|[Nn][Oo][Nn][Ee])$"
              }
            ],
            "markdownDescription":"Specify what module code is generated.\n\nSee more: https://www.typescriptlang.org/tsconfig#module"
          },
          "moduleResolution":{
            "description":"Specify how TypeScript looks up a file from a given module specifier.",
            "type":"string",
            "anyOf":[
              {
                "enum":[
                  "Classic",
                  "Node"
                ]
              },
              {
                "pattern":"^(([Nn]ode)|([Cc]lassic))$"
              }
            ],
            "default":"classic",
            "markdownDescription":"Specify how TypeScript looks up a file from a given module specifier.\n\nSee more: https://www.typescriptlang.org/tsconfig#moduleResolution"
          },
          "newLine":{
            "description":"Set the newline character for emitting files.",
            "type":"string",
            "anyOf":[
              {
                "enum":[
                  "crlf",
                  "lf"
                ]
              },
              {
                "pattern":"^(CRLF|LF|crlf|lf)$"
              }
            ],
            "markdownDescription":"Set the newline character for emitting files.\n\nSee more: https://www.typescriptlang.org/tsconfig#newLine"
          },
          "noEmit":{
            "description":"Disable emitting file from a compilation.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable emitting file from a compilation.\n\nSee more: https://www.typescriptlang.org/tsconfig#noEmit"
          },
          "noEmitHelpers":{
            "description":"Disable generating custom helper functions like `__extends` in compiled output.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable generating custom helper functions like `__extends` in compiled output.\n\nSee more: https://www.typescriptlang.org/tsconfig#noEmitHelpers"
          },
          "noEmitOnError":{
            "description":"Disable emitting files if any type checking errors are reported.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable emitting files if any type checking errors are reported.\n\nSee more: https://www.typescriptlang.org/tsconfig#noEmitOnError"
          },
          "noImplicitAny":{
            "description":"Enable error reporting for expressions and declarations with an implied `any` type..",
            "type":"boolean",
            "markdownDescription":"Enable error reporting for expressions and declarations with an implied `any` type..\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitAny"
          },
          "noImplicitThis":{
            "description":"Enable error reporting when `this` is given the type `any`.",
            "type":"boolean",
            "markdownDescription":"Enable error reporting when `this` is given the type `any`.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitThis"
          },
          "noUnusedLocals":{
            "description":"Enable error reporting when a local variables aren't read.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Enable error reporting when a local variables aren't read.\n\nSee more: https://www.typescriptlang.org/tsconfig#noUnusedLocals"
          },
          "noUnusedParameters":{
            "description":"Raise an error when a function parameter isn't read",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Raise an error when a function parameter isn't read\n\nSee more: https://www.typescriptlang.org/tsconfig#noUnusedParameters"
          },
          "noLib":{
            "description":"Disable including any library files, including the default lib.d.ts.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable including any library files, including the default lib.d.ts.\n\nSee more: https://www.typescriptlang.org/tsconfig#noLib"
          },
          "noResolve":{
            "description":"Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project.\n\nSee more: https://www.typescriptlang.org/tsconfig#noResolve"
          },
          "noStrictGenericChecks":{
            "description":"Disable strict checking of generic signatures in function types.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable strict checking of generic signatures in function types.\n\nSee more: https://www.typescriptlang.org/tsconfig#noStrictGenericChecks"
          },
          "skipDefaultLibCheck":{
            "description":"Skip type checking .d.ts files that are included with TypeScript.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Skip type checking .d.ts files that are included with TypeScript.\n\nSee more: https://www.typescriptlang.org/tsconfig#skipDefaultLibCheck"
          },
          "skipLibCheck":{
            "description":"Skip type checking all .d.ts files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Skip type checking all .d.ts files.\n\nSee more: https://www.typescriptlang.org/tsconfig#skipLibCheck"
          },
          "outFile":{
            "description":"Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output.",
            "type":"string",
            "markdownDescription":"Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output.\n\nSee more: https://www.typescriptlang.org/tsconfig#outFile"
          },
          "outDir":{
            "description":"Specify an output folder for all emitted files.",
            "type":"string",
            "markdownDescription":"Specify an output folder for all emitted files.\n\nSee more: https://www.typescriptlang.org/tsconfig#outDir"
          },
          "preserveConstEnums":{
            "description":"Disable erasing `const enum` declarations in generated code.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable erasing `const enum` declarations in generated code.\n\nSee more: https://www.typescriptlang.org/tsconfig#preserveConstEnums"
          },
          "preserveSymlinks":{
            "description":"Disable resolving symlinks to their realpath. This correlates to the same flag in node.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable resolving symlinks to their realpath. This correlates to the same flag in node.\n\nSee more: https://www.typescriptlang.org/tsconfig#preserveSymlinks"
          },
          "preserveWatchOutput":{
            "description":"Disable wiping the console in watch mode",
            "type":"boolean",
            "markdownDescription":"Disable wiping the console in watch mode\n\nSee more: https://www.typescriptlang.org/tsconfig#preserveWatchOutput"
          },
          "pretty":{
            "description":"Enable color and formatting in output to make compiler errors easier to read",
            "type":"boolean",
            "default":true,
            "markdownDescription":"Enable color and formatting in output to make compiler errors easier to read\n\nSee more: https://www.typescriptlang.org/tsconfig#pretty"
          },
          "removeComments":{
            "description":"Disable emitting comments.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable emitting comments.\n\nSee more: https://www.typescriptlang.org/tsconfig#removeComments"
          },
          "rootDir":{
            "description":"Specify the root folder within your source files.",
            "type":"string",
            "markdownDescription":"Specify the root folder within your source files.\n\nSee more: https://www.typescriptlang.org/tsconfig#rootDir"
          },
          "isolatedModules":{
            "description":"Ensure that each file can be safely transpiled without relying on other imports.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Ensure that each file can be safely transpiled without relying on other imports.\n\nSee more: https://www.typescriptlang.org/tsconfig#isolatedModules"
          },
          "sourceMap":{
            "description":"Create source map files for emitted JavaScript files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Create source map files for emitted JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#sourceMap"
          },
          "sourceRoot":{
            "description":"Specify the root path for debuggers to find the reference source code.",
            "type":"string",
            "markdownDescription":"Specify the root path for debuggers to find the reference source code.\n\nSee more: https://www.typescriptlang.org/tsconfig#sourceRoot"
          },
          "suppressExcessPropertyErrors":{
            "description":"Disable reporting of excess property errors during the creation of object literals.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable reporting of excess property errors during the creation of object literals.\n\nSee more: https://www.typescriptlang.org/tsconfig#suppressExcessPropertyErrors"
          },
          "suppressImplicitAnyIndexErrors":{
            "description":"Suppress `noImplicitAny` errors when indexing objects that lack index signatures.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Suppress `noImplicitAny` errors when indexing objects that lack index signatures.\n\nSee more: https://www.typescriptlang.org/tsconfig#suppressImplicitAnyIndexErrors"
          },
          "stripInternal":{
            "description":"Disable emitting declarations that have `@internal` in their JSDoc comments.",
            "type":"boolean",
            "markdownDescription":"Disable emitting declarations that have `@internal` in their JSDoc comments.\n\nSee more: https://www.typescriptlang.org/tsconfig#stripInternal"
          },
          "target":{
            "description":"Set the JavaScript language version for emitted JavaScript and include compatible library declarations.",
            "type":"string",
            "default":"ES3",
            "anyOf":[
              {
                "enum":[
                  "ES3",
                  "ES5",
                  "ES6",
                  "ES2015",
                  "ES2016",
                  "ES2017",
                  "ES2018",
                  "ES2019",
                  "ES2020",
                  "ESNext"
                ]
              },
              {
                "pattern":"^([Ee][Ss]([356]|(20(1[56789]|20))|[Nn][Ee][Xx][Tt]))$"
              }
            ],
            "markdownDescription":"Set the JavaScript language version for emitted JavaScript and include compatible library declarations.\n\nSee more: https://www.typescriptlang.org/tsconfig#target"
          },
          "watch":{
            "description":"Watch input files.",
            "type":"boolean"
          },
          "fallbackPolling":{
            "description":"Specify what approach the watcher should use if the system runs out of native file watchers.",
            "enum":[
              "fixedPollingInterval",
              "priorityPollingInterval",
              "dynamicPriorityPolling"
            ]
          },
          "watchDirectory":{
            "description":"Specify how directories are watched on systems that lack recursive file-watching functionality.",
            "enum":[
              "useFsEvents",
              "fixedPollingInterval",
              "dynamicPriorityPolling"
            ],
            "default":"useFsEvents"
          },
          "watchFile":{
            "description":"Specify how the TypeScript watch mode works.",
            "enum":[
              "fixedPollingInterval",
              "priorityPollingInterval",
              "dynamicPriorityPolling",
              "useFsEvents",
              "useFsEventsOnParentDirectory"
            ],
            "default":"useFsEvents"
          },
          "experimentalDecorators":{
            "description":"Enable experimental support for TC39 stage 2 draft decorators.",
            "type":"boolean",
            "markdownDescription":"Enable experimental support for TC39 stage 2 draft decorators.\n\nSee more: https://www.typescriptlang.org/tsconfig#experimentalDecorators"
          },
          "emitDecoratorMetadata":{
            "description":"Emit design-type metadata for decorated declarations in source files.",
            "type":"boolean",
            "markdownDescription":"Emit design-type metadata for decorated declarations in source files.\n\nSee more: https://www.typescriptlang.org/tsconfig#emitDecoratorMetadata"
          },
          "allowUnusedLabels":{
            "description":"Disable error reporting for unused labels.",
            "type":"boolean",
            "markdownDescription":"Disable error reporting for unused labels.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUnusedLabels"
          },
          "noImplicitReturns":{
            "description":"Enable error reporting for codepaths that do not explicitly return in a function.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Enable error reporting for codepaths that do not explicitly return in a function.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitReturns"
          },
          "noUncheckedIndexedAccess":{
            "description":"Add `undefined` to a type when accessed using an index.",
            "type":"boolean",
            "markdownDescription":"Add `undefined` to a type when accessed using an index.\n\nSee more: https://www.typescriptlang.org/tsconfig#noUncheckedIndexedAccess"
          },
          "noFallthroughCasesInSwitch":{
            "description":"Enable error reporting for fallthrough cases in switch statements.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Enable error reporting for fallthrough cases in switch statements.\n\nSee more: https://www.typescriptlang.org/tsconfig#noFallthroughCasesInSwitch"
          },
          "allowUnreachableCode":{
            "description":"Disable error reporting for unreachable code.",
            "type":"boolean",
            "markdownDescription":"Disable error reporting for unreachable code.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUnreachableCode"
          },
          "forceConsistentCasingInFileNames":{
            "description":"Ensure that casing is correct in imports.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Ensure that casing is correct in imports.\n\nSee more: https://www.typescriptlang.org/tsconfig#forceConsistentCasingInFileNames"
          },
          "generateCpuProfile":{
            "description":"Emit a v8 CPU profile of the compiler run for debugging.",
            "type":"string",
            "default":"profile.cpuprofile",
            "markdownDescription":"Emit a v8 CPU profile of the compiler run for debugging.\n\nSee more: https://www.typescriptlang.org/tsconfig#generateCpuProfile"
          },
          "baseUrl":{
            "description":"Specify the base directory to resolve non-relative module names.",
            "type":"string",
            "markdownDescription":"Specify the base directory to resolve non-relative module names.\n\nSee more: https://www.typescriptlang.org/tsconfig#baseUrl"
          },
          "paths":{
            "description":"Specify a set of entries that re-map imports to additional lookup locations.",
            "type":"object",
            "additionalProperties":{
              "type":"array",
              "uniqueItems":true,
              "items":{
                "type":"string",
                "description":"Path mapping to be computed relative to baseUrl option."
              }
            },
            "markdownDescription":"Specify a set of entries that re-map imports to additional lookup locations.\n\nSee more: https://www.typescriptlang.org/tsconfig#paths"
          },
          "plugins":{
            "description":"Specify a list of language service plugins to include.",
            "type":"array",
            "items":{
              "type":"object",
              "properties":{
                "name":{
                  "description":"Plugin name.",
                  "type":"string"
                }
              }
            },
            "markdownDescription":"Specify a list of language service plugins to include.\n\nSee more: https://www.typescriptlang.org/tsconfig#plugins"
          },
          "rootDirs":{
            "description":"Allow multiple folders to be treated as one when resolving modules.",
            "type":"array",
            "uniqueItems":true,
            "items":{
              "type":"string"
            },
            "markdownDescription":"Allow multiple folders to be treated as one when resolving modules.\n\nSee more: https://www.typescriptlang.org/tsconfig#rootDirs"
          },
          "typeRoots":{
            "description":"Specify multiple folders that act like `./node_modules/@types`.",
            "type":"array",
            "uniqueItems":true,
            "items":{
              "type":"string"
            },
            "markdownDescription":"Specify multiple folders that act like `./node_modules/@types`.\n\nSee more: https://www.typescriptlang.org/tsconfig#typeRoots"
          },
          "types":{
            "description":"Specify type package names to be included without being referenced in a source file.",
            "type":"array",
            "uniqueItems":true,
            "items":{
              "type":"string"
            },
            "markdownDescription":"Specify type package names to be included without being referenced in a source file.\n\nSee more: https://www.typescriptlang.org/tsconfig#types"
          },
          "traceResolution":{
            "description":"Log paths used during the `moduleResolution` process.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Log paths used during the `moduleResolution` process.\n\nSee more: https://www.typescriptlang.org/tsconfig#traceResolution"
          },
          "allowJs":{
            "description":"Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowJs"
          },
          "noErrorTruncation":{
            "description":"Disable truncating types in error messages.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable truncating types in error messages.\n\nSee more: https://www.typescriptlang.org/tsconfig#noErrorTruncation"
          },
          "allowSyntheticDefaultImports":{
            "description":"Allow 'import x from y' when a module doesn't have a default export.",
            "type":"boolean",
            "markdownDescription":"Allow 'import x from y' when a module doesn't have a default export.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowSyntheticDefaultImports"
          },
          "noImplicitUseStrict":{
            "description":"Disable adding 'use strict' directives in emitted JavaScript files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Disable adding 'use strict' directives in emitted JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitUseStrict"
          },
          "listEmittedFiles":{
            "description":"Print the names of emitted files after a compilation.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Print the names of emitted files after a compilation.\n\nSee more: https://www.typescriptlang.org/tsconfig#listEmittedFiles"
          },
          "disableSizeLimit":{
            "description":"Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Remove the 20mb cap on total source code size for JavaScript files in the TypeScript language server.\n\nSee more: https://www.typescriptlang.org/tsconfig#disableSizeLimit"
          },
          "lib":{
            "description":"Specify a set of bundled library declaration files that describe the target runtime environment.",
            "type":"array",
            "uniqueItems":true,
            "items":{
              "type":"string",
              "anyOf":[
                {
                  "enum":[
                    "ES5",
                    "ES6",
                    "ES2015",
                    "ES2015.Collection",
                    "ES2015.Core",
                    "ES2015.Generator",
                    "ES2015.Iterable",
                    "ES2015.Promise",
                    "ES2015.Proxy",
                    "ES2015.Reflect",
                    "ES2015.Symbol.WellKnown",
                    "ES2015.Symbol",
                    "ES2016",
                    "ES2016.Array.Include",
                    "ES2017",
                    "ES2017.Intl",
                    "ES2017.Object",
                    "ES2017.SharedMemory",
                    "ES2017.String",
                    "ES2017.TypedArrays",
                    "ES2018",
                    "ES2018.AsyncGenerator",
                    "ES2018.AsyncIterable",
                    "ES2018.Intl",
                    "ES2018.Promise",
                    "ES2018.Regexp",
                    "ES2019",
                    "ES2019.Array",
                    "ES2019.Object",
                    "ES2019.String",
                    "ES2019.Symbol",
                    "ES2020",
                    "ES2020.BigInt",
                    "ES2020.Promise",
                    "ES2020.String",
                    "ES2020.Symbol.WellKnown",
                    "ESNext",
                    "ESNext.Array",
                    "ESNext.AsyncIterable",
                    "ESNext.BigInt",
                    "ESNext.Intl",
                    "ESNext.Promise",
                    "ESNext.String",
                    "ESNext.Symbol",
                    "DOM",
                    "DOM.Iterable",
                    "ScriptHost",
                    "WebWorker",
                    "WebWorker.ImportScripts"
                  ]
                },
                {
                  "pattern":"^[Ee][Ss]5|[Ee][Ss]6|[Ee][Ss]7$"
                },
                {
                  "pattern":"^[Ee][Ss]2015(\\.([Cc][Oo][Ll][Ll][Ee][Cc][Tt][Ii][Oo][Nn]|[Cc][Oo][Rr][Ee]|[Gg][Ee][Nn][Ee][Rr][Aa][Tt][Oo][Rr]|[Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Pp][Rr][Oo][Xx][Yy]|[Rr][Ee][Ff][Ll][Ee][Cc][Tt]|[Ss][Yy][Mm][Bb][Oo][Ll].[Ww][Ee][Ll][Ll][Kk][Nn][Oo][Ww][Nn]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
                },
                {
                  "pattern":"^[Ee][Ss]2016(\\.[Aa][Rr][Rr][Aa][Yy].[Ii][Nn][Cc][Ll][Uu][Dd][Ee])?$"
                },
                {
                  "pattern":"^[Ee][Ss]2017(\\.([Ii][Nn][Tt][Ll]|[Oo][Bb][Jj][Ee][Cc][Tt]|[Ss][Hh][Aa][Rr][Ee][Dd][Mm][Ee][Mm][Oo][Rr][Yy]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Tt][Yy][Pp][Ee][Dd][Aa][Rr][Rr][Aa][Yy][Ss]))?$"
                },
                {
                  "pattern":"^[Ee][Ss]2018(\\.([Aa][Ss][Yy][Nn][Cc][Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Ii][Nn][Tt][Ll]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Rr][Ee][Gg][Ee][Xx][Pp]))?$"
                },
                {
                  "pattern":"^[Ee][Ss]2019(\\.([Aa][Rr][Rr][Aa][Yy]|[Oo][Bb][Jj][Ee][Cc][Tt]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
                },
                {
                  "pattern":"^[Ee][Ss]2020(\\.([Bb][Ii][Gg][Ii][Nn][Tt]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Ss][Yy][Mm][Bb][Oo][Ll].[Ww][Ee][Ll][Ll][Kk][Nn][Oo][Ww][Nn]))?$"
                },
                {
                  "pattern":"^[Ee][Ss][Nn][Ee][Xx][Tt](\\.([Aa][Rr][Rr][Aa][Yy]|[Aa][Ss][Yy][Nn][Cc][Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Bb][Ii][Gg][Ii][Nn][Tt]|[Ii][Nn][Tt][Ll]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
                },
                {
                  "pattern":"^[Dd][Oo][Mm](\\.[Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee])?$"
                },
                {
                  "pattern":"^[Ss][Cc][Rr][Ii][Pp][Tt][Hh][Oo][Ss][Tt]$"
                },
                {
                  "pattern":"^[Ww][Ee][Bb][Ww][Oo][Rr][Kk][Ee][Rr](\\.[Ii][Mm][Pp][Oo][Rr][Tt][Ss][Cc][Rr][Ii][Pp][Tt][Ss])?$"
                }
              ]
            },
            "markdownDescription":"Specify a set of bundled library declaration files that describe the target runtime environment.\n\nSee more: https://www.typescriptlang.org/tsconfig#lib"
          },
          "strictNullChecks":{
            "description":"When type checking, take into account `null` and `undefined`.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"When type checking, take into account `null` and `undefined`.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictNullChecks"
          },
          "maxNodeModuleJsDepth":{
            "description":"Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`.",
            "type":"number",
            "default":0,
            "markdownDescription":"Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`.\n\nSee more: https://www.typescriptlang.org/tsconfig#maxNodeModuleJsDepth"
          },
          "importHelpers":{
            "description":"Allow importing helper functions from tslib once per project, instead of including them per-file.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Allow importing helper functions from tslib once per project, instead of including them per-file.\n\nSee more: https://www.typescriptlang.org/tsconfig#importHelpers"
          },
          "importsNotUsedAsValues":{
            "description":"Specify emit/checking behavior for imports that are only used for types.",
            "default":"remove",
            "enum":[
              "remove",
              "preserve",
              "error"
            ]
          },
          "alwaysStrict":{
            "description":"Ensure 'use strict' is always emitted.",
            "type":"boolean",
            "markdownDescription":"Ensure 'use strict' is always emitted.\n\nSee more: https://www.typescriptlang.org/tsconfig#alwaysStrict"
          },
          "strict":{
            "description":"Enable all strict type checking options.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Enable all strict type checking options.\n\nSee more: https://www.typescriptlang.org/tsconfig#strict"
          },
          "strictBindCallApply":{
            "description":"Check that the arguments for `bind`, `call`, and `apply` methods match the original function.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Check that the arguments for `bind`, `call`, and `apply` methods match the original function.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictBindCallApply"
          },
          "downlevelIteration":{
            "description":"Emit more compliant, but verbose and less performant JavaScript for iteration.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Emit more compliant, but verbose and less performant JavaScript for iteration.\n\nSee more: https://www.typescriptlang.org/tsconfig#downlevelIteration"
          },
          "checkJs":{
            "description":"Enable error reporting in type-checked JavaScript files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Enable error reporting in type-checked JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#checkJs"
          },
          "strictFunctionTypes":{
            "description":"When assigning functions, check to ensure parameters and the return values are subtype-compatible.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"When assigning functions, check to ensure parameters and the return values are subtype-compatible.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictFunctionTypes"
          },
          "strictPropertyInitialization":{
            "description":"Check for class properties that are declared but not set in the constructor.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Check for class properties that are declared but not set in the constructor.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictPropertyInitialization"
          },
          "esModuleInterop":{
            "description":"Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility.\n\nSee more: https://www.typescriptlang.org/tsconfig#esModuleInterop"
          },
          "allowUmdGlobalAccess":{
            "description":"Allow accessing UMD globals from modules.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Allow accessing UMD globals from modules.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUmdGlobalAccess"
          },
          "keyofStringsOnly":{
            "description":"Make keyof only return strings instead of string, numbers or symbols. Legacy option.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Make keyof only return strings instead of string, numbers or symbols. Legacy option.\n\nSee more: https://www.typescriptlang.org/tsconfig#keyofStringsOnly"
          },
          "useDefineForClassFields":{
            "description":"Emit ECMAScript-standard-compliant class fields.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Emit ECMAScript-standard-compliant class fields.\n\nSee more: https://www.typescriptlang.org/tsconfig#useDefineForClassFields"
          },
          "declarationMap":{
            "description":"Create sourcemaps for d.ts files.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Create sourcemaps for d.ts files.\n\nSee more: https://www.typescriptlang.org/tsconfig#declarationMap"
          },
          "resolveJsonModule":{
            "description":"Enable importing .json files",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Enable importing .json files\n\nSee more: https://www.typescriptlang.org/tsconfig#resolveJsonModule"
          },
          "assumeChangesOnlyAffectDirectDependencies":{
            "description":"Have recompiles in projects that use `incremental` and `watch` mode assume that changes within a file will only affect files directly depending on it.",
            "type":"boolean",
            "markdownDescription":"Have recompiles in projects that use `incremental` and `watch` mode assume that changes within a file will only affect files directly depending on it.\n\nSee more: https://www.typescriptlang.org/tsconfig#assumeChangesOnlyAffectDirectDependencies"
          },
          "extendedDiagnostics":{
            "description":"Output more detailed compiler performance information after building.",
            "type":"boolean",
            "default":false,
            "markdownDescription":"Output more detailed compiler performance information after building.\n\nSee more: https://www.typescriptlang.org/tsconfig#extendedDiagnostics"
          },
          "listFilesOnly":{
            "description":"Print names of files that are part of the compilation and then stop processing.",
            "type":"boolean"
          },
          "disableSourceOfProjectReferenceRedirect":{
            "description":"Disable preferring source files instead of declaration files when referencing composite projects",
            "type":"boolean",
            "markdownDescription":"Disable preferring source files instead of declaration files when referencing composite projects\n\nSee more: https://www.typescriptlang.org/tsconfig#disableSourceOfProjectReferenceRedirect"
          },
          "disableSolutionSearching":{
            "description":"Opt a project out of multi-project reference checking when editing.",
            "type":"boolean",
            "markdownDescription":"Opt a project out of multi-project reference checking when editing.\n\nSee more: https://www.typescriptlang.org/tsconfig#disableSolutionSearching"
          }
        }
      }
    }
  },
  ...,
}

{
  ...,
  "typeRoots": {
    "description": "Specify multiple folders that act like `./node_modules/@types`.",
    "type": "array",
    "uniqueItems": true,
    "items": {
      "type": "string"
    },
    "markdownDescription": "Specify multiple folders that act like `./node_modules/@types`.\n\nSee more: https://www.typescriptlang.org/tsconfig#typeRoots"
  },
  "types": {
    "description": "Specify type package names to be included without being referenced in a source file.",
    "type": "array",
    "uniqueItems": true,
    "items": {
      "type": "string"
    },
    "markdownDescription": "Specify type package names to be included without being referenced in a source file.\n\nSee more: https://www.typescriptlang.org/tsconfig#types"
  },
  ...,
}

{
  "target": {
    "description": "Set the JavaScript language version for emitted JavaScript and include compatible library declarations.",
    "type": "string",
    "default": "ES3",
    "anyOf": [
      {
        "enum": [
          "ES3",
          "ES5",
          "ES6",
          "ES2015",
          "ES2016",
          "ES2017",
          "ES2018",
          "ES2019",
          "ES2020",
          "ESNext"
        ]
      },
      {
        "pattern": "^([Ee][Ss]([356]|(20(1[56789]|20))|[Nn][Ee][Xx][Tt]))$"
      }
    ],
    "markdownDescription": "Set the JavaScript language version for emitted JavaScript and include compatible library declarations.\n\nSee more: https://www.typescriptlang.org/tsconfig#target"
  },
}

{
  "lib": {
    "description": "Specify a set of bundled library declaration files that describe the target runtime environment.",
    "type": "array",
    "uniqueItems": true,
    "items": {
      "type": "string",
      "anyOf": [
        {
          "enum": [
            "ES5", "ES6", "ES2015", "ES2015.Collection", "ES2015.Core", "ES2015.Generator", "ES2015.Iterable", "ES2015.Promise", "ES2015.Proxy", "ES2015.Reflect", "ES2015.Symbol.WellKnown", "ES2015.Symbol", "ES2016", "ES2016.Array.Include", "ES2017", "ES2017.Intl", "ES2017.Object", "ES2017.SharedMemory", "ES2017.String", "ES2017.TypedArrays", "ES2018", "ES2018.AsyncGenerator", "ES2018.AsyncIterable", "ES2018.Intl", "ES2018.Promise", "ES2018.Regexp", "ES2019", "ES2019.Array", "ES2019.Object", "ES2019.String", "ES2019.Symbol", "ES2020", "ES2020.BigInt", "ES2020.Promise", "ES2020.String", "ES2020.Symbol.WellKnown", "ESNext", "ESNext.Array", "ESNext.AsyncIterable", "ESNext.BigInt", "ESNext.Intl", "ESNext.Promise", "ESNext.String", "ESNext.Symbol", "DOM", "DOM.Iterable", "ScriptHost", "WebWorker", "WebWorker.ImportScripts"
          ]
        },
        {
          "pattern": "^[Ee][Ss]5|[Ee][Ss]6|[Ee][Ss]7$"
        },
        {
          "pattern": "^[Ee][Ss]2015(\\.([Cc][Oo][Ll][Ll][Ee][Cc][Tt][Ii][Oo][Nn]|[Cc][Oo][Rr][Ee]|[Gg][Ee][Nn][Ee][Rr][Aa][Tt][Oo][Rr]|[Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Pp][Rr][Oo][Xx][Yy]|[Rr][Ee][Ff][Ll][Ee][Cc][Tt]|[Ss][Yy][Mm][Bb][Oo][Ll].[Ww][Ee][Ll][Ll][Kk][Nn][Oo][Ww][Nn]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
        },
        {
          "pattern": "^[Ee][Ss]2016(\\.[Aa][Rr][Rr][Aa][Yy].[Ii][Nn][Cc][Ll][Uu][Dd][Ee])?$"
        },
        {
          "pattern": "^[Ee][Ss]2017(\\.([Ii][Nn][Tt][Ll]|[Oo][Bb][Jj][Ee][Cc][Tt]|[Ss][Hh][Aa][Rr][Ee][Dd][Mm][Ee][Mm][Oo][Rr][Yy]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Tt][Yy][Pp][Ee][Dd][Aa][Rr][Rr][Aa][Yy][Ss]))?$"
        },
        {
          "pattern": "^[Ee][Ss]2018(\\.([Aa][Ss][Yy][Nn][Cc][Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Ii][Nn][Tt][Ll]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Rr][Ee][Gg][Ee][Xx][Pp]))?$"
        },
        {
          "pattern": "^[Ee][Ss]2019(\\.([Aa][Rr][Rr][Aa][Yy]|[Oo][Bb][Jj][Ee][Cc][Tt]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
        },
        {
          "pattern": "^[Ee][Ss]2020(\\.([Bb][Ii][Gg][Ii][Nn][Tt]|[Pp][Rr][Oo][Mm][Ii][Ss][Ee]|[Ss][Tt][Rr][Ii][Nn][Gg]|[Ss][Yy][Mm][Bb][Oo][Ll].[Ww][Ee][Ll][Ll][Kk][Nn][Oo][Ww][Nn]))?$"
        },
        {
          "pattern": "^[Ee][Ss][Nn][Ee][Xx][Tt](\\.([Aa][Rr][Rr][Aa][Yy]|[Aa][Ss][Yy][Nn][Cc][Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee]|[Bb][Ii][Gg][Ii][Nn][Tt]|[Ii][Nn][Tt][Ll]|[Ss][Yy][Mm][Bb][Oo][Ll]))?$"
        },
        {
          "pattern": "^[Dd][Oo][Mm](\\.[Ii][Tt][Ee][Rr][Aa][Bb][Ll][Ee])?$"
        },
        {
          "pattern": "^[Ss][Cc][Rr][Ii][Pp][Tt][Hh][Oo][Ss][Tt]$"
        },
        {
          "pattern": "^[Ww][Ee][Bb][Ww][Oo][Rr][Kk][Ee][Rr](\\.[Ii][Mm][Pp][Oo][Rr][Tt][Ss][Cc][Rr][Ii][Pp][Tt][Ss])?$"
        }
      ]
    },
    "markdownDescription": "Specify a set of bundled library declaration files that describe the target runtime environment.\n\nSee more: https://www.typescriptlang.org/tsconfig#lib"
  }
}

{
  "outFile": {
    "description": "Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output.",
    "type": "string",
    "markdownDescription": "Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output.\n\nSee more: https://www.typescriptlang.org/tsconfig#outFile"
  },
  "outDir": {
    "description": "Specify an output folder for all emitted files.",
    "type": "string",
    "markdownDescription": "Specify an output folder for all emitted files.\n\nSee more: https://www.typescriptlang.org/tsconfig#outDir"
  },
  "rootDir": {
    "description": "Specify the root folder within your source files.",
    "type": "string",
    "markdownDescription": "Specify the root folder within your source files.\n\nSee more: https://www.typescriptlang.org/tsconfig#rootDir"
  }
}

{
  "strict": {
    "description": "Enable all strict type checking options.",
    "type": "boolean",
    "default": false,
    "markdownDescription": "Enable all strict type checking options.\n\nSee more: https://www.typescriptlang.org/tsconfig#strict"
  }
}

function hello(person: { name: string; age: number; }): void {
    console.log(`안녕하세요! ${person.name} 입니다.`);
}

const p: { name: string; age: number; } = {
    name: 'Mark',
    age: 35
};

hello(p); // 안녕하세요! Mark 입니다.

///////////////////////////////////////////////////////////////

interface Person {
    name: string;
    age: number;
}

function hello(person: Person): void {
    console.log(`안녕하세요! ${person.name} 입니다.`);
}

const p: Person = {
    name: 'Mark',
    age: 35
};

hello(p); // 안녕하세요! Mark 입니다.

interface Person {
    name: string;
    age?: number;
}

function hello(person: Person): void {
    console.log(`안녕하세요! ${person.name} 입니다.`);
}

const p1: Person = {
    name: 'Mark',
    age: 35
};

const p2: Person = {
    name: 'Anna'
};

hello(p1); // 안녕하세요! Mark 입니다.
hello(p2); // 안녕하세요! Anna 입니다.

interface Person {
    name: string;
    age?: number;
    [props: string]: any;
}

function hello(person: Person): void {
    console.log(`안녕하세요! ${person.name} 입니다.`);
}

const p1: Person = {
    name: 'Mark',
    age: 35,
};

const p2: Person = {
    name: 'Anna',
    systers: [
        'Sung',
        'Chan'
    ]
};

const p3: Person = {
    name: 'Bokdaengi',
    father: p1,
    mother: p2
};

hello(p1); // 안녕하세요! Mark 입니다.
hello(p2); // 안녕하세요! Anna 입니다.
hello(p3); // 안녕하세요! Bokdaengi 입니다.

interface Person {
    name: string;
    age: number;
    hello(): void;
}

const p1: Person = {
    name: 'Mark',
    age: 35,
    hello: function (): void {
        console.log(this);
        console.log(`안녕하세요! ${this.name} 입니다.`);
    }
};

const p2: Person = {
    name: 'Mark',
    age: 35,
    hello(): void {
        console.log(this);
        console.log(`안녕하세요! ${this.name} 입니다.`);
    }
};

const p3: Person = {
    name: 'Mark',
    age: 35,
    hello: (): void => {
        console.log(this);
        console.log(`안녕하세요! ${this.name} 입니다.`);
    }
};

p1.hello(); // 안녕하세요! Mark 입니다.
p2.hello(); // 안녕하세요! Mark 입니다.
p3.hello(); // 안녕하세요! 입니다.

interface IPerson {
    name: string;
    age?: number;
    hello(): void;
}

class Person implements IPerson {
    name: string;

    constructor(name: string) {
        this.name = name;
    }

    hello(): void {
        console.log(`안녕하세요! ${this.name} 입니다.`);
    }
}

const person = new Person('Mark');
person.hello(); // 안녕하세요! Mark 입니다.

interface Person {
    name: string;
    age?: number;
}

interface Korean extends Person {
    city: string;
}

const k: Korean = {
    name: '이웅재',
    city: '서울'
};

interface HelloPerson {
    // (name: string, age: number): void;
    (name: string, age?: number): void;
}

let helloPerson: HelloPerson = function (name: string) {
    console.log(`안녕하세요! ${name} 입니다.`);
};

helloPerson('Mark'); // 안녕하세요! Mark 입니다.

/*

함수의 타입 체크는 할당할때가 아니라 사용할때 한다는 점을 명심

*/

// type alias
type EatType = (food: string) => void;

// interface
interface IEat {
  (food: string): void;
}

// type alias
type PersonList = string[];

// interface
interface IPersonList {
  [index: number]: string;
}

interface ErrorHandling {
  success: boolean;
  error?: { message: string };
}

interface ArtistsData {
  artists: { name: string }[];
}

// type alias
type ArtistsResponseType = ArtistsData & ErrorHandling;

// interface
interface IArtistsResponse extends ArtistsData, ErrorHandling {}

let art: ArtistsResponseType;
let iar: IArtistsResponse;

interface Bird {
  fly(): void;
  layEggs(): void;
}

interface Fish {
  swim(): void;
  layEggs(): void;
}

type PetType = Bird | Fish;

interface IPet extends PetType {} // error TS2312: An interface can only extend an object type or intersection of object types with statically known members.

class Pet implements PetType {} // error TS2422: A class can only implement an object type or intersection of object types with statically known members.

interface MergingInterface {
  a: string;
}

interface MergingInterface {
  b: string;
}

let mi: MergingInterface;
mi.

type MergingType = {
  a: string;
};

type MergingType = {
  b: string;
};

class Person {}

const p1 = new Person();

console.log(p1);

class Person {
  name: string;

  constructor(name: string) {
    this.name = string;
  }
}

const p1 = new Person('Mark');

console.log(p1);

// strictPropertyInitialization : false
class Person {
  name: string;
  age: number;
}

const p1: Person = new Person();
console.log(p1); // Person1 {}
person.age = 39;
console.log(person.name); // undefined

function helloString(message: string): string {
  return message;
}

function helloNumber(message: number): number {
  return message;
}

// 더 많은 반복된 함수들 ...

function hello(message: any): any {
  return message;
}

function helloGeneric<T>(message: T): T {
  return message;
}

console.log(hello('Mark').length);
console.log(hello(38).length); // undefined

console.log(helloGeneric('Mark').length);
// console.log(helloGeneric<number>('Mark').length); (X)
console.log(helloGeneric(38).toString());
// console.log(helloGeneric(36).length); (X)

function helloBasic<T>(message: T): T {
  return message;
}

console.log(helloBasic<string>('Mark'));
const age = helloBasic(38);
// helloBasic<number>('38'); (X)

function helloArray<T>(messages: T[]): T {
  return messages[0];
}

function helloTuple<T, K>(messages: [T, K]): T {
  return messages[0];
}

console.log(helloArray(['Hello', 'World'])); // string[]
console.log(helloArray(['Hello', 1])); // Array<string | number>
console.log(helloTuple(['Hello', 'World'])); // [string, string]
console.log(helloTuple(['Hello', 1])); // [string, number]
// console.log(helloTuple(['Hello', 'world', 1])); // Error

type HelloFunctionGeneric = <T>(message: T) => T;

const helloFunction: HelloFunctionGeneric = <T>(message: T): T => {
  return message;
};

console.log(helloFunction<string>('Hello').length);

class Person<T> {
  private _name: T;

  constructor(name: T) {
    this._name = name;
  }
}

new Person('Mark');
// new Person<string>(38); (X)

class Person7<T, K> {
  private _name: T;
  private _age: K;

  constructor(name: T, age: K) {
    this._name = name;
    this._age = age;
  }
}

new Person7('Mark', 38);

class Person6<T extends string | number> {
  private _name: T;

  constructor(name: T) {
    this._name = name;
  }
}

new Person6('Mark');
new Person6(38);
// new Person6(true); // T 가 string 또는 number 를 상속받기 때문에 boolean 은 X

interface Person8 {
  name: string;
  age: number;
}

const person8: Person8 = {
  name: 'Mark',
  age: 36
};

function setProperty<T, K extends keyof T>(obj: T, key: K, value: T[K]): void {
  obj[key] = value;
}

function getProperty<T, K extends keyof T>(obj: T, key: K): T[K] {
  return obj[key];
}

setProperty(person8, 'name', 'Anna');
// setProperty(person8, 'name', 27);
console.log(getProperty(person8, 'name'));
// console.log(getProperty(person8, 'fullname'));