Function trigger

src/components/utils/panzoom.js:125–131

(eventName, detail, opts)

  })

  function trigger(eventName, detail, opts) {
    if (opts.silent) {
      return
    }
    const event = new CustomEvent(eventName, { detail })
    elem.dispatchEvent(event)
  }

  function setTransformWithEvent(
    eventName,