Add supporting themes required for Lotusdocs

themes/twbs/bootstrap/js/tests/helpers/fixture.js

@@ -0,0 +1,47 @@
+const FIXTURE_ID = 'fixture'
+
+export const getFixture = () => {
+  let fixtureElement = document.getElementById(FIXTURE_ID)
+
+  if (!fixtureElement) {
+    fixtureElement = document.createElement('div')
+    fixtureElement.setAttribute('id', FIXTURE_ID)
+    fixtureElement.style.position = 'absolute'
+    fixtureElement.style.top = '-10000px'
+    fixtureElement.style.left = '-10000px'
+    fixtureElement.style.width = '10000px'
+    fixtureElement.style.height = '10000px'
+    document.body.append(fixtureElement)
+  }
+
+  return fixtureElement
+}
+
+export const clearFixture = () => {
+  const fixtureElement = getFixture()
+
+  fixtureElement.innerHTML = ''
+}
+
+export const createEvent = (eventName, parameters = {}) => {
+  return new Event(eventName, parameters)
+}
+
+export const jQueryMock = {
+  elements: undefined,
+  fn: {},
+  each(fn) {
+    for (const element of this.elements) {
+      fn.call(element)
+    }
+  }
+}
+
+export const clearBodyAndDocument = () => {
+  const attributes = ['data-bs-padding-right', 'style']
+
+  for (const attribute of attributes) {
+    document.documentElement.removeAttribute(attribute)
+    document.body.removeAttribute(attribute)
+  }
+}