Method off

website/src/utils/eventEmitter.js:10–14

(type, handler)

  }

  off(type, handler) {
    const handlers = this.handlersMap[type] || []
    const index = handlers.indexOf(handler)
    if (index >= 0) handlers.splice(index, 1)
  }

  emit(type, event) {
    const handlers = this.handlersMap[type] || []