68 lines
1.5 KiB
TypeScript
68 lines
1.5 KiB
TypeScript
export type RealtimeRefreshFilter =
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| { kind: "form"; formId?: string }
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| { kind: "xp" }
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| { kind: "vc"; channelId?: string };
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export type RealtimeRefreshHandlers = {
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onOpen: () => void;
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onForm: (event: { formId: string }) => void;
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onXp: () => void;
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onVc: (event: { channelId: string }) => void;
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};
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type StartRealtimeRefreshOptions = {
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filter: RealtimeRefreshFilter;
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debounceMs: number;
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refresh: () => void;
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subscribe: (handlers: RealtimeRefreshHandlers) => { clean: () => void };
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};
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export function startRealtimeRefresh({
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filter,
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debounceMs,
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refresh,
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subscribe,
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}: StartRealtimeRefreshOptions) {
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let connectedOnce = false;
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let refreshTimer: ReturnType<typeof setTimeout> | undefined;
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const scheduleRefresh = () => {
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if (refreshTimer) clearTimeout(refreshTimer);
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refreshTimer = setTimeout(refresh, debounceMs);
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};
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const subscription = subscribe({
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onOpen() {
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if (connectedOnce) {
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scheduleRefresh();
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} else {
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connectedOnce = true;
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}
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},
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onForm(event) {
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if (
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filter.kind === "form"
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&& (!filter.formId || event.formId === filter.formId)
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) {
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scheduleRefresh();
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}
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},
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onXp() {
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if (filter.kind === "xp") scheduleRefresh();
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},
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onVc(event) {
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if (
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filter.kind === "vc"
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&& (!filter.channelId || event.channelId === filter.channelId)
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) {
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scheduleRefresh();
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}
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},
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});
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return () => {
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if (refreshTimer) clearTimeout(refreshTimer);
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subscription.clean();
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};
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}
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