2569718930@qq.com
67 lines
1.8 KiB
TypeScript
67 lines
1.8 KiB
TypeScript
export type ProxyCachePolicy = {
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fetchMode: "no-store" | "revalidate";
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responseCacheControl: string;
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revalidateSeconds?: number;
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};
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const NO_STORE_CACHE_CONTROL = "no-store, max-age=0";
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export function isForceRefreshValue(value: string | null | undefined) {
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return String(value || "").trim().toLowerCase() === "true";
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}
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export function buildForceRefreshProxyCachePolicy(
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forceRefresh: string | null | undefined,
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revalidateSeconds = 15,
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): ProxyCachePolicy {
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if (isForceRefreshValue(forceRefresh)) {
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return {
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fetchMode: "no-store",
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responseCacheControl: NO_STORE_CACHE_CONTROL,
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};
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}
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return {
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fetchMode: "revalidate",
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responseCacheControl: `public, max-age=0, s-maxage=${revalidateSeconds}, stale-while-revalidate=${Math.max(
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revalidateSeconds * 3,
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30,
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)}`,
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revalidateSeconds,
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};
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}
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export function buildCityDetailProxyCachePolicy(
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forceRefresh: string | null | undefined,
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revalidateSeconds = 15,
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): ProxyCachePolicy {
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if (isForceRefreshValue(forceRefresh)) {
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return {
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fetchMode: "no-store",
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responseCacheControl: NO_STORE_CACHE_CONTROL,
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};
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}
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return {
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fetchMode: "revalidate",
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responseCacheControl: `public, max-age=${revalidateSeconds}, s-maxage=${revalidateSeconds}, stale-while-revalidate=${Math.max(
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revalidateSeconds * 3,
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30,
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)}`,
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revalidateSeconds,
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};
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}
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export function buildScanTerminalResponseCacheControl(
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data: unknown,
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readyCacheControl: string,
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) {
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if (!data || typeof data !== "object") {
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return NO_STORE_CACHE_CONTROL;
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}
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const payload = data as { stale?: unknown; status?: unknown };
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const status = String(payload.status || "").trim().toLowerCase();
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if (payload.stale === true || (status && status !== "ready")) {
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return NO_STORE_CACHE_CONTROL;
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}
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return readyCacheControl;
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}
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