Modules

Export

export interface StringValidator {
  isAcceptable(s: string): boolean;
}

export class ZipCodeValidator implements StringValidator {
  isAcceptable(s: string) {
    return s.length === 5;
  }
}

Import

import { ZipCodeValidator } from "./ZipCodeValidator";

let myValidator = new ZipCodeValidator();

Namespaces

namespace Validation {
  export interface StringValidator {
    isAcceptable(s: string): boolean;
  }

  export class LettersOnlyValidator implements StringValidator {
    isAcceptable(s: string) {
      return /^[A-Za-z]+$/.test(s);
    }
  }
}

let validator = new Validation.LettersOnlyValidator();

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