Method triggerEvent

src/tests/cases/dom_test_case.ts:36–52

(selectorOrTarget: string | EventTarget, type: string, options: TriggerEventOptions = {})

  }

  async triggerEvent(selectorOrTarget: string | EventTarget, type: string, options: TriggerEventOptions = {}) {
    const { bubbles, setDefaultPrevented } = { ...defaultTriggerEventOptions, ...options }
    const eventTarget = typeof selectorOrTarget == "string" ? this.findElement(selectorOrTarget) : selectorOrTarget
    const event = document.createEvent("Events")
    event.initEvent(type, bubbles, true)

    // IE <= 11 does not set `defaultPrevented` when `preventDefault()` is called on synthetic events
    if (setDefaultPrevented) {
      event.preventDefault = function () {
        Object.defineProperty(this, "defaultPrevented", { get: () => true, configurable: true })
      }
    }

    eventTarget.dispatchEvent(event)
    await this.nextFrame
    return event
  }

  async triggerMouseEvent(selectorOrTarget: string | EventTarget, type: string, options: MouseEventInit = {}) {
    const eventTarget = typeof selectorOrTarget == "string" ? this.findElement(selectorOrTarget) : selectorOrTarget