describe('title (option)', () => { it('should show title by default', (done) => { const image = window.createImage(); const viewer = new Viewer(image, { inline: true, ready() { expect(window.getComputedStyle(viewer.title).display).to.not.equal('none'); done(); }, }); expect(viewer.options.title).to.be.true; }); it('should not show title', (done) => { const image = window.createImage(); const viewer = new Viewer(image, { inline: true, title: false, ready() { expect(window.getComputedStyle(viewer.title).display).to.equal('none'); done(); }, }); expect(viewer.options.title).to.be.false; }); it('should support function', (done) => { const image = window.createImage(); const viewer = new Viewer(image, { inline: true, title(img) { return img.alt; }, ready() { expect(viewer.title.innerHTML).to.equal(image.alt); done(); }, }); expect(viewer.options.title).to.be.a('function'); }); it('should support array', (done) => { const image = window.createImage(); const viewer = new Viewer(image, { inline: true, title: [3, (img) => img.alt], ready() { expect(viewer.title.className).to.include('viewer-hide-sm-down'); expect(viewer.title.innerHTML).to.equal(image.alt); done(); }, }); expect(viewer.options.title).to.be.an('array'); }); });