131 lines
3.6 KiB
TypeScript
131 lines
3.6 KiB
TypeScript
export const CANVAS_IMAGE_TASK_QUEUE_CONFIG_KEY = "canvas_image_task_queue_config";
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export const MIN_CANVAS_IMAGE_TASK_CONCURRENCY = 1;
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export const DEFAULT_CANVAS_IMAGE_TASK_CONCURRENCY = 8;
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export const MAX_CANVAS_IMAGE_TASK_CONCURRENCY = 100;
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export const MIN_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS = 0;
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export const DEFAULT_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS = 0;
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export const MAX_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS = 60 * 1000;
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export interface CanvasImageTaskQueueConfig {
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concurrency: number;
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batchDispatchIntervalMs: number;
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}
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function clampConcurrency(value: number) {
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return Math.min(
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MAX_CANVAS_IMAGE_TASK_CONCURRENCY,
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Math.max(MIN_CANVAS_IMAGE_TASK_CONCURRENCY, Math.floor(value))
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);
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}
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function clampBatchDispatchIntervalMs(value: number) {
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return Math.min(
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MAX_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS,
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Math.max(MIN_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS, Math.floor(value))
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);
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}
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function parseConcurrencyCandidate(value: unknown): number | null {
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if (typeof value === "number" && Number.isFinite(value)) {
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return clampConcurrency(value);
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}
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if (typeof value === "string" && value.trim()) {
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const parsed = Number.parseInt(value.trim(), 10);
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if (Number.isFinite(parsed)) {
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return clampConcurrency(parsed);
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}
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}
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return null;
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}
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function parseBatchDispatchIntervalCandidate(
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value: unknown,
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options?: { treatAsSeconds?: boolean }
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): number | null {
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const normalize = (candidate: number) =>
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clampBatchDispatchIntervalMs(
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options?.treatAsSeconds ? candidate * 1000 : candidate
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);
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if (typeof value === "number" && Number.isFinite(value)) {
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return normalize(value);
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}
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if (typeof value === "string" && value.trim()) {
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const parsed = Number.parseFloat(value.trim());
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if (Number.isFinite(parsed)) {
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return normalize(parsed);
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}
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}
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return null;
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}
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export function normalizeCanvasImageTaskQueueConfig(
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value: unknown,
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options?: { envConcurrency?: unknown; envBatchDispatchIntervalMs?: unknown }
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): CanvasImageTaskQueueConfig {
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const raw = value && typeof value === "object" && !Array.isArray(value)
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? (value as Record<string, unknown>)
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: {};
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const concurrencyCandidates = [
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raw.concurrency,
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raw.maxConcurrency,
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raw.maxConcurrent,
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typeof value === "number" || typeof value === "string" ? value : undefined,
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options?.envConcurrency,
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];
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let concurrency = DEFAULT_CANVAS_IMAGE_TASK_CONCURRENCY;
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for (const candidate of concurrencyCandidates) {
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const parsed = parseConcurrencyCandidate(candidate);
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if (parsed !== null) {
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concurrency = parsed;
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break;
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}
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}
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const intervalCandidates = [
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raw.batchDispatchIntervalMs,
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raw.dispatchIntervalMs,
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raw.batchDispatchDelayMs,
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raw.batchDispatchInterval,
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raw.dispatchInterval,
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options?.envBatchDispatchIntervalMs,
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];
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const intervalSecondsCandidates = [
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raw.batchDispatchIntervalSeconds,
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raw.dispatchIntervalSeconds,
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];
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let batchDispatchIntervalMs = DEFAULT_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS;
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for (const candidate of intervalCandidates) {
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const parsed = parseBatchDispatchIntervalCandidate(candidate);
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if (parsed !== null) {
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batchDispatchIntervalMs = parsed;
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break;
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}
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}
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if (batchDispatchIntervalMs === DEFAULT_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS) {
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for (const candidate of intervalSecondsCandidates) {
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const parsed = parseBatchDispatchIntervalCandidate(candidate, {
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treatAsSeconds: true,
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});
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if (parsed !== null) {
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batchDispatchIntervalMs = parsed;
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break;
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}
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}
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}
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return {
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concurrency,
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batchDispatchIntervalMs,
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};
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}
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