DefinitelyTyped/types/react-daum-postcode/react-daum-postcode-tests.tsx

import * as React from 'react';
import DaumPostcode from 'react-daum-postcode';

class Postcode extends React.Component<any, any> {
  handleAddress = (data: any) => {
    let fullAddress: string = data.address;
    let extraAddress = ''; 
    
    if (data.addressType === 'R') {
      if (data.bname !== '') {
        extraAddress += data.bname;
      }
      if (data.buildingName !== '') {
        extraAddress += (extraAddress !== '' ? `, ${data.buildingName}` : data.buildingName);
      }
      fullAddress += (extraAddress !== '' ? ` (${extraAddress})` : '');
    }

    console.log(fullAddress);  // e.g. '서울 성동구 왕십리로2길 20 (성수동1가)'
  }

  render() {
    return (
      <DaumPostcode
        onComplete={this.handleAddress}
      />
    );
  }
}