autocomplete/packages/autocomplete-preset-algolia/src/highlight/__tests__/isPartHighlighted.test.ts at 53347edb68862115b735e8f498361524f2db7bf6 · algolia/autocomplete · GitHub

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import { isPartHighlighted } from '../isPartHighlighted';

describe('isPartHighlighted', () => {
  test('returns the isHighlighted value with a missing sibling', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: true, value: 'Amazon' },
          {
            isHighlighted: false,
            value: ' - Fire HD8 - 8&quot; - Tablet - 16GB - Wi-Fi - Black',
          },
        ],
        0
      )
    ).toEqual(true);
  });

  test('returns the isHighlighted value with both siblings', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: true, value: 'Amazon' },
          { isHighlighted: false, value: ' - ' },
          { isHighlighted: true, value: 'Fire' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: true, value: 'TV' },
        ],
        1
      )
    ).toEqual(true);
  });

  // Japanese (俺はジャイアン): start / middle / end

  test('does not treat Japanese text as a separator at the start (俺はジャイアン)', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: false, value: '俺は' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: true, value: 'ジャイアン' },
        ],
        0
      )
    ).toEqual(false);
  });

  test('does not treat Japanese text as a separator in the middle (俺はジャイアンだ)', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: true, value: '俺は' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: false, value: 'ジャイアン' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: true, value: 'だ' },
        ],
        2
      )
    ).toEqual(false);
  });

  test('does not treat Japanese text as a separator at the end (俺はジャイアンだ)', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: true, value: '俺は' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: true, value: 'ジャイアン' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: false, value: 'だ' },
        ],
        4
      )
    ).toEqual(false);
  });

  // Cyrillic (regression #1317): start / middle / end

  test('does not treat Cyrillic text as a separator at the start (regression #1317)', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: false, value: 'привет' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: true, value: 'мир' },
        ],
        0
      )
    ).toEqual(false);
  });

  test('does not treat Cyrillic text as a separator in the middle (regression #1317)', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: true, value: 'привет' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: false, value: 'мир' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: true, value: 'привет' },
        ],
        2
      )
    ).toEqual(false);
  });

  test('does not treat Cyrillic text as a separator at the end (regression #1317)', () => {
    expect(
      isPartHighlighted(
        [
          { isHighlighted: true, value: 'привет' },
          { isHighlighted: false, value: ' ' },
          { isHighlighted: false, value: 'мир' },
        ],
        2
      )
    ).toEqual(false);
  });
});