* Removes an event listener for the given event string. * * @param {string} event * @param {Function} handler * @returns
(event: string, handler?: AnyHandler)
| 51 | * @returns |
| 52 | */ |
| 53 | off(event: string, handler?: AnyHandler) { |
| 54 | if (isUndefined(this.bindings) || isUndefined(this.bindings[event])) { |
| 55 | return this; |
| 56 | } |
| 57 | |
| 58 | if (isUndefined(handler)) { |
| 59 | delete this.bindings[event]; |
| 60 | } else { |
| 61 | this.bindings[event]?.forEach((binding, index) => { |
| 62 | if (binding.handler === handler) { |
| 63 | this.bindings[event]?.splice(index, 1); |
| 64 | } |
| 65 | }); |
| 66 | } |
| 67 | |
| 68 | return this; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Triggers an event listener for the given event string. |
no test coverage detected