NODEJS

[NODEJS] TypeScript with Node.js

[NODEJS] TypeScript with Node.js ?

  1. 프로젝트 폴더 생성

  2. init

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    npm init -y

  3. 타입스크립트 설치

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    npm install -g typescript

  4. 타입설정 초기화

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    tsc — init

  5. tsconfig.json 수정

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    {
      "compilerOptions": {
        /* Basic Options */
        "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
        "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
        "outDir": "./dist",                        /* Redirect output structure to the directory. */
        "strict": true,                           /* Enable all strict type-checking options. */
        "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    ​
      },
      "include": [
        "./src/**/*"
      ]
    }

​

  1. 폴더생성 ./src ./dist

  2. .src/test.ts 작성

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    class Person {
        private hello: String = "";
        constructor(private name: String) {
            this.hello = name + " Hello~";
        }
        public getHello(): String{
            return this.hello;
        }
    }
    let person: Person = new Person("namgi");
    console.log(person.getHello());

  3. tsc 컴파일

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    tsc

  4. js 파일 실행

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    node ./dist/test.js

  5. 결과물 확인
    결과