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10 changes: 6 additions & 4 deletions src/fire-event.js
Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,16 @@ import { fireEvent as domFireEvent, createEvent } from '@testing-library/dom'
export const fireEvent = (...args) => domFireEvent(...args)

Object.keys(domFireEvent).forEach((key) => {
fireEvent[key] = (elem) => {
fireEvent[key] = (elem, init) => {
// Preact registers event-listeners in lower-case, so onPointerStart becomes pointerStart
// here we will copy this behavior, when we fire an element we will fire it in lowercase so
// we hit the Preact listeners.
const eventName = `on${key.toLowerCase()}`
const isInElem = eventName in elem
return isInElem
? domFireEvent[key](elem)
: domFireEvent(elem, createEvent(key[0].toUpperCase() + key.slice(1), elem))
if (isInElem) {
return domFireEvent[key](elem, init)
} else {
return domFireEvent(elem, createEvent(key[0].toUpperCase() + key.slice(1), elem, init))
}
}
})