46 lines
1.7 KiB
Plaintext
46 lines
1.7 KiB
Plaintext
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const virtualModuleId = "astro:prefetch";
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const resolvedVirtualModuleId = "\0" + virtualModuleId;
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const prefetchInternalModuleFsSubpath = "astro/dist/prefetch/index.js";
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const prefetchCode = `import { init } from 'astro/virtual-modules/prefetch.js';init()`;
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function astroPrefetch({ settings }) {
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const prefetchOption = settings.config.prefetch;
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const prefetch = prefetchOption ? typeof prefetchOption === "object" ? prefetchOption : {} : void 0;
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if (prefetch && settings.scripts.every((s) => s.content !== prefetchCode)) {
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settings.scripts.push({
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stage: "page",
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content: `import { init } from 'astro/virtual-modules/prefetch.js';init()`
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});
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}
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const throwPrefetchNotEnabledError = () => {
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throw new Error("You need to enable the `prefetch` Astro config to import `astro:prefetch`");
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};
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return {
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name: "astro:prefetch",
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async resolveId(id) {
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if (id === virtualModuleId) {
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if (!prefetch)
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throwPrefetchNotEnabledError();
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return resolvedVirtualModuleId;
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}
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},
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load(id) {
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if (id === resolvedVirtualModuleId) {
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if (!prefetch)
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throwPrefetchNotEnabledError();
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return `export { prefetch } from "astro/virtual-modules/prefetch.js";`;
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}
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},
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transform(code, id) {
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if (id.includes(prefetchInternalModuleFsSubpath)) {
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return code.replace("__PREFETCH_PREFETCH_ALL__", JSON.stringify(prefetch?.prefetchAll)).replace("__PREFETCH_DEFAULT_STRATEGY__", JSON.stringify(prefetch?.defaultStrategy)).replace(
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"__EXPERIMENTAL_CLIENT_PRERENDER__",
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JSON.stringify(settings.config.experimental.clientPrerender)
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);
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}
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}
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};
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}
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export {
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astroPrefetch as default
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};
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