@ryusei/light
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text/typescript
import { assign } from './assign';
describe( 'assign', () => {
test( 'can assign own enumerable properties of the source object to the target.', () => {
const object = { a: 1, b: '2' };
const source = { a: 2, c: true };
const assigned = assign( object, source );
expect( assigned ).toStrictEqual( { a: 2, b: '2', c: true } );
} );
test( 'should assign a nested object as a reference.', () => {
const object = { a: { b: 1 } };
const source = { a: { b: 2 } };
const assigned = assign( object, source );
expect( assigned ).toStrictEqual( { a: { b: 2 } } );
expect( source.a ).toBe( assigned.a );
} );
} );