46 lines
1.1 KiB
TypeScript
46 lines
1.1 KiB
TypeScript
export interface ErrorRingEntry {
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ts: string;
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level: string;
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message: string;
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}
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export interface ErrorRing {
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push: (entry: ErrorRingEntry) => void;
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snapshot: () => ErrorRingEntry[];
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clear: () => void;
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size: () => number;
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}
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export function createErrorRing(capacity: number): ErrorRing {
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const limit = Math.max(1, Math.floor(capacity));
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const buffer: ErrorRingEntry[] = [];
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return {
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push(entry: ErrorRingEntry): void {
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buffer.push(entry);
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while (buffer.length > limit) {
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buffer.shift();
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}
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},
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snapshot(): ErrorRingEntry[] {
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return buffer.slice();
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},
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clear(): void {
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buffer.length = 0;
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},
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size(): number {
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return buffer.length;
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}
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};
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}
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const RECENT_ERROR_CAPACITY = 200;
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const recentErrors = createErrorRing(RECENT_ERROR_CAPACITY);
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export function recordRecentError(level: string, message: string, ts: string): void {
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recentErrors.push({ level, message, ts });
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}
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export function getRecentErrors(): ErrorRingEntry[] {
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return recentErrors.snapshot();
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}
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