v3/packages/misc-utils/sortBy.spec.ts

48 lines
790 B
TypeScript

import { sortBy } from './sortBy';
it('sorts an array of objects by its key', () => {
const output = sortBy(
[
{
name: 'bbb',
},
{
name: 'aaa',
},
{
name: 'ddd',
},
{
name: 'ccc',
},
],
'name'
);
expect(output.map((v) => v.name)).toEqual(['aaa', 'bbb', 'ccc', 'ddd']);
});
it('sorts an array of objects by its key with a predicate', () => {
const output = sortBy(
[
{
name: 'cc',
},
{
name: 'bbb',
},
{
name: 'aaaa',
},
{
name: 'd',
},
],
'name',
(a, b) => {
return a.length > b.length ? 1 : -1;
}
);
expect(output.map((v) => v.name)).toEqual(['d', 'cc', 'bbb', 'aaaa']);
});