10000 feat(useEventSource): return `lastEventId` by pkc918 · Pull Request #3984 · vueuse/vueuse · GitHub
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feat(useEventSource): return lastEventId #3984

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Merged
merged 1 commit into from
May 27, 2024
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feat(useEventSource): return lastEventId #3984

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8 changes: 8 additions & 0 deletions packages/core/useEventSource/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,11 @@ export interface UseEventSourceReturn<Events extends string[]> {
* Reference to the current EventSource instance.
*/
eventSource: Ref<EventSource | null>
/**
* The last event ID string, for server-sent events.
* @see https://developer. 8000 mozilla.org/en-US/docs/Web/API/MessageEvent/lastEventId
*/
lastEventId: Ref<string | null>
}

function resolveNestedOptions<T>(options: T | true): T {
Expand Down Expand Up @@ -109,6 +114,7 @@ export function useEventSource<Events extends string[]>(
const eventSource = ref(null) as Ref<EventSource | null>
const error = shallowRef(null) as Ref<Event | null>
const urlRef = toRef(url)
const lastEventId = shallowRef<string | null>(null)

let explicitlyClosed = false
let retried = 0
Expand Down Expand Up @@ -169,6 +175,7 @@ export function useEventSource<Events extends string[]>(
es. MessageEvent) => {
event.value = null
data.value = e.data
lastEventId.value = e.lastEventId
}

for (const event_name of events) {
Expand Down Expand Up @@ -201,5 +208,6 @@ export function useEventSource<Events extends string[]>(
error,
open,
close,
lastEventId,
}
}
0