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chore(example): share tooltip requests and allow retries after failure #1984

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Merged
fadi-george merged 1 commit into from
Aug 29, 2026
Merged

chore(example): share tooltip requests and allow retries after failure #1984

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28 changes: 17 additions & 11 deletions examples/demo/src/services/TooltipHelper.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ class TooltipHelper {
private static _instance: TooltipHelper;
private tooltips: Record<string, TooltipData> = {};
private initialized = false;
private initialization?: Promise<void>;

static getInstance(): TooltipHelper {
if (!TooltipHelper._instance) {
Expand All @@ -24,20 +25,25 @@ class TooltipHelper {
return TooltipHelper._instance;
}

async init(): Promise<void> {
init(): Promise<void> {
if (this.initialized) {
return;
return Promise.resolve();
}
try {
const response = await fetch(TOOLTIP_URL);
if (response.ok) {
const json = await response.json();
this.tooltips = json as Record<string, TooltipData>;
}
} catch {
// Tooltips are non-critical; silently ignore failures
if (!this.initialization) {
this.initialization = (async () => {
try {
const response = await fetch(TOOLTIP_URL);
if (!response.ok) return;
this.tooltips = (await response.json()) as Record<string, TooltipData>;
this.initialized = true;
} catch {
// Tooltips are non-critical; silently ignore failures and allow a retry.
}
})().finally(() => {
this.initialization = undefined;
});
}
this.initialized = true;
return this.initialization;
}

getTooltip(key: string): TooltipData | undefined {
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