describe('trigger() unit tests', function() { it('triggers event on element', function () { let div = createProcessedHTML('
') let called = false div.addEventListener('custom', () => called = true) htmx.trigger(div, 'custom') assert.isTrue(called) }) it('passes detail object', function () { let div = createProcessedHTML('
') let receivedDetail = null div.addEventListener('custom', (e) => receivedDetail = e.detail) htmx.trigger(div, 'custom', {foo: 'bar'}) assert.deepEqual(receivedDetail, {foo: 'bar'}) }) it('bubbles by default', function () { let parent = createProcessedHTML('
') let child = parent.querySelector('#child') let calledOnParent = false parent.addEventListener('custom', () => calledOnParent = true) htmx.trigger(child, 'custom') assert.isTrue(calledOnParent) }) it('can disable bubbling', function () { let parent = createProcessedHTML('
') let child = parent.querySelector('#child') let calledOnParent = false parent.addEventListener('custom', () => calledOnParent = true) htmx.trigger(child, 'custom', {}, false) assert.isFalse(calledOnParent) }) it('returns true when not cancelled', function () { let div = createProcessedHTML('
') let result = htmx.trigger(div, 'custom') assert.isTrue(result) }) it('returns false when event prevented', function () { let div = createProcessedHTML('
') div.addEventListener('custom', (e) => e.preventDefault()) let result = htmx.trigger(div, 'custom') assert.isFalse(result) }) it('works with selector string', function () { createProcessedHTML('
') let called = false document.getElementById('target').addEventListener('custom', () => called = true) htmx.trigger('#target', 'custom') assert.isTrue(called) }) it('triggers on document when element not connected', function () { let div = document.createElement('div') let calledOnDocument = false document.addEventListener('custom:orphan', () => calledOnDocument = true) htmx.trigger(div, 'custom:orphan') assert.isTrue(calledOnDocument) }) });