File: optionalProperties01.js

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node-typescript 3.3.3333-1
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//// [optionalProperties01.ts]
interface Foo {
  required1: string;
  required2: string;
  optional?: string;
}

const foo1 = { required1: "hello" } as Foo;
const foo2 = { required1: "hello", optional: "bar" } as Foo;


//// [optionalProperties01.js]
var foo1 = { required1: "hello" };
var foo2 = { required1: "hello", optional: "bar" };


//// [optionalProperties01.d.ts]
interface Foo {
    required1: string;
    required2: string;
    optional?: string;
}
declare const foo1: Foo;
declare const foo2: Foo;