tsconfig.json
{"compilerOptions": {/* 기본 옵션들 */// target: Typescript로 작성한 코드를 어느 버전으로 출력 또는 바꿔야 하는지 에 대한 옵션입니다.// 예: () => null 인 화살표 함수를 target: "es5"라면 function (){return null}로 변환이 되고 "es6"라면 화살표함수를 지원하므로 그대로 출력이 됩니다.// 사용 할 수 있는 값: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'."target": "es5",// module:"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,// lib: 컴파일에 포함할 라이브러리 목록 배열입니다. lib을 설정하면 default값이 있다면 무시가 되고 적용이 됩니다.// target이 "es3" 또는 "es5"이라면 default 값이 존재합니다. "es3"라면 ["DOM","ES5","ScriptHost"] "es5"라면 ["DOM","ES6","DOM"."Iterable","ScriptHost"]// 사용 할 수 있는 값:// ES5, ES6, ES2015, ES7, ES2016, ES2017, ES2018, ESNext, DOM, DOM.Iterable, WebWorker, ScriptHost, ES2015.Core, ES2015.Collection,ES2015.Generator, ES2015.Iterable, ES2015.Promise, ES2015.Proxy, ES2015.Reflect, ES2015.Symbol, ES2015.Symbol.WellKnown,ES2016.Array.Include, ES2017.object, ES2017.Intl, ES2017.SharedMemory, ES2017.String, ES2017.TypedArrays, ES2018.Intl, ES2018.Promise,ES2018.RegExp, ESNext.AsyncIterable, ESNext.Array, ESNext.Intl, ESNext.Symbol"lib": [], /* Specify library files to be included in the compilation. */,// allowJs: 컴파일할때 js파일을 허용할건지에 대한 설정// 사용 할 수 있는 값: true, false// "allowJs": true,// checkJs: js파일에 오류가 있으면 알려주는 것// 사용 할 수 있는 값: true, false// "checkJs": true,// jsx: .tsx 파일안에 있는 jsx를 어떤 형식으로 출력을 할건지에 대한 옵션입니다.// `<div />`라는 태그가 있다면 preserve면 `<div />`로 출력하며 react인 경우 React.createElement("div")이며 react-native인 경우 `<div />`로 출력이 됩니다.// 사용 할 수 있는 값: "preserve", "react", "react-native"// "jsx": "preserve",// "declaration": true, /* Generates corresponding '.d.ts' file. */// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */// "sourceMap": true, /* Generates corresponding '.map' file. */// "outFile": "./", /* Concatenate and emit output to single file. */// "outDir": "./", /* Redirect output structure to the directory. */// "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */// "composite": true, /* Enable project compilation */// "removeComments": true, /* Do not emit comments to output. */// "noEmit": true, /* Do not emit outputs. */// "importHelpers": true, /* Import emit helpers from 'tslib'. */// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). *//* 엄격한 타입 체크 옵션 */// strick: 모든 엄격한 타입 체크 옵션을 활성화 해주는 것입니다.// true로 하면 아래의 값(엄격한 타입 체크 옵션)을 전부 true로 하는 것과 같습니다.// noImplicitAny, noImplicitThis, alwaysStrict, strictBindCallApply, strictNullChecks, strictFunctionTypes, strictPropertyInitialization.// 사용할 수 있는 값: true, false// "strict": true,// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */// "strictNullChecks": true, /* Enable strict null checks. */// "strictFunctionTypes": true, /* Enable strict checking of function types. */// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. *//* Additional Checks */// "noUnusedLocals": true, /* Report errors on unused locals. */// "noUnusedParameters": true, /* Report errors on unused parameters. */// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. *//* Module Resolution Options */// "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */// "typeRoots": [], /* List of folders to include type definitions from. */// "types": [], /* Type declaration files to be included in compilation. */// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */"esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. *//* Source Map Options */// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. *//* Experimental Options */// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */}}