45 lines
1.8 KiB
JavaScript
45 lines
1.8 KiB
JavaScript
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import { AsyncLocalStorage } from "node:async_hooks";
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import { useStorage } from "nitropack/runtime";
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// @ts-expect-error virtual file
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import { NUXT_SHARED_DATA } from "#internal/nuxt/nitro-config.mjs";
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export const prerenderRenderingURLs = import.meta.prerender ? new AsyncLocalStorage() : null;
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export const payloadCache = import.meta.prerender ? useStorage("internal:nuxt:prerender:payload") : null;
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export const islandCache = import.meta.prerender ? useStorage("internal:nuxt:prerender:island") : null;
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export const islandPropCache = import.meta.prerender ? useStorage("internal:nuxt:prerender:island-props") : null;
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export const sharedPrerenderPromises = import.meta.prerender && NUXT_SHARED_DATA ? new Map() : null;
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const sharedPrerenderKeys = new Set();
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const sharedPrerenderChains = import.meta.prerender && NUXT_SHARED_DATA ? new Map() : null;
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export const sharedPrerenderCache = import.meta.prerender && NUXT_SHARED_DATA ? {
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get(key) {
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if (!sharedPrerenderKeys.has(key)) {
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return;
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}
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const currentChain = prerenderRenderingURLs?.getStore();
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const setChain = sharedPrerenderChains?.get(key);
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if (currentChain?.length && setChain?.length && setChain.some((url) => currentChain.includes(url))) {
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return;
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}
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return sharedPrerenderPromises.get(key) ?? useStorage("internal:nuxt:prerender:shared").getItem(key);
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},
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async set(key, value) {
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sharedPrerenderKeys.add(key);
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sharedPrerenderPromises.set(key, value);
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const chain = prerenderRenderingURLs?.getStore();
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if (chain?.length) {
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sharedPrerenderChains.set(key, chain);
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}
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try {
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const resolved = await value;
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await useStorage("internal:nuxt:prerender:shared").setItem(key, resolved);
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} catch {} finally {
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sharedPrerenderPromises.delete(key);
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sharedPrerenderChains?.delete(key);
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}
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}
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} : null;
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