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import { assignKeys } from './assign-keys';
describe('util/assign-keys', () => {
it('should assign values from right to left for specified keys', () => {
type Left = {
foo: number | string;
bar: number | boolean;
baz?: number;
};
const left: Left = {
foo: 'foo',
bar: false,
baz: 42,
};
type Right = {
foo?: number;
bar?: number;
baz?: number;
};
const right: Right = {
foo: 1,
bar: 2,
baz: 3,
};
const result = assignKeys(left, right, ['foo', 'bar']);
expect(result).toEqual({
foo: 1,
bar: 2,
baz: 42,
});
expect(result).toBe(left);
});
});
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