72 lines
2.7 KiB
Plaintext
72 lines
2.7 KiB
Plaintext
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import npath from "node:path";
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import { SUPPORTED_MARKDOWN_FILE_EXTENSIONS } from "../core/constants.js";
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import { unwrapId } from "../core/util.js";
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import { isCSSRequest } from "./util.js";
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const fileExtensionsToSSR = /* @__PURE__ */ new Set([".astro", ".mdoc", ...SUPPORTED_MARKDOWN_FILE_EXTENSIONS]);
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const STRIP_QUERY_PARAMS_REGEX = /\?.*$/;
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const ASTRO_PROPAGATED_ASSET_REGEX = /\?astroPropagatedAssets/;
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async function* crawlGraph(loader, _id, isRootFile, scanned = /* @__PURE__ */ new Set()) {
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const id = unwrapId(_id);
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const importedModules = /* @__PURE__ */ new Set();
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const moduleEntriesForId = isRootFile ? (
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// "getModulesByFile" pulls from a delayed module cache (fun implementation detail),
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// So we can get up-to-date info on initial server load.
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// Needed for slower CSS preprocessing like Tailwind
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loader.getModulesByFile(id) ?? /* @__PURE__ */ new Set()
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) : (
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// For non-root files, we're safe to pull from "getModuleById" based on testing.
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// TODO: Find better invalidation strat to use "getModuleById" in all cases!
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/* @__PURE__ */ new Set([loader.getModuleById(id)])
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);
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for (const entry of moduleEntriesForId) {
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if (!entry) {
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continue;
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}
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if (id === entry.id) {
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scanned.add(id);
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const entryIsStyle = isCSSRequest(id);
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for (const importedModule of entry.importedModules) {
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if (!importedModule.id)
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continue;
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const importedModulePathname = importedModule.id.replace(STRIP_QUERY_PARAMS_REGEX, "");
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if (entryIsStyle && !isCSSRequest(importedModulePathname)) {
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continue;
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}
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const isFileTypeNeedingSSR = fileExtensionsToSSR.has(npath.extname(importedModulePathname));
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const isPropagationStoppingPoint = ASTRO_PROPAGATED_ASSET_REGEX.test(importedModule.id);
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if (isFileTypeNeedingSSR && // Should not SSR a module with ?astroPropagatedAssets
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!isPropagationStoppingPoint) {
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const mod = loader.getModuleById(importedModule.id);
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if (!mod?.ssrModule) {
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try {
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await loader.import(importedModule.id);
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} catch {
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}
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}
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}
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if (isImportedBy(id, importedModule) && !isPropagationStoppingPoint) {
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importedModules.add(importedModule);
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}
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}
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}
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}
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for (const importedModule of importedModules) {
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if (!importedModule.id || scanned.has(importedModule.id)) {
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continue;
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}
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yield importedModule;
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yield* crawlGraph(loader, importedModule.id, false, scanned);
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}
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}
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function isImportedBy(parent, entry) {
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for (const importer of entry.importers) {
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if (importer.id === parent) {
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return true;
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}
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}
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return false;
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}
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export {
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crawlGraph
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};
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