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import { firstAndLastY } from '~/lib/utils/chart_utils';
describe('Chart utils', () => {
describe('firstAndLastY', () => {
it('returns the first and last y-values of a given data set as an array', () => {
const data = [['', 1], ['', 2], ['', 3]];
expect(firstAndLastY(data)).toEqual([1, 3]);
});
});
});
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