564 lines
24 KiB
JavaScript
564 lines
24 KiB
JavaScript
import { createDefaultMetadata, createDefaultViewport } from "./default-metadata";
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import { resolveOpenGraph, resolveTwitter } from "./resolvers/resolve-opengraph";
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import { resolveTitle } from "./resolvers/resolve-title";
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import { resolveAsArrayOrUndefined } from "./generate/utils";
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import { isClientReference } from "../client-reference";
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import { getComponentTypeModule, getLayoutOrPageModule } from "../../server/lib/app-dir-module";
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import { interopDefault } from "../interop-default";
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import { resolveAlternates, resolveAppleWebApp, resolveAppLinks, resolveRobots, resolveThemeColor, resolveVerification, resolveItunes, resolveFacebook } from "./resolvers/resolve-basics";
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import { resolveIcons } from "./resolvers/resolve-icons";
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import { getTracer } from "../../server/lib/trace/tracer";
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import { ResolveMetadataSpan } from "../../server/lib/trace/constants";
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import { PAGE_SEGMENT_KEY } from "../../shared/lib/segment";
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import * as Log from "../../build/output/log";
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function isFavicon(icon) {
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if (!icon) {
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return false;
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}
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// turbopack appends a hash to all images
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return (icon.url === "/favicon.ico" || icon.url.toString().startsWith("/favicon.ico?")) && icon.type === "image/x-icon";
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}
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function mergeStaticMetadata(source, target, staticFilesMetadata, metadataContext, titleTemplates, leafSegmentStaticIcons) {
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var _source_twitter, _source_openGraph;
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if (!staticFilesMetadata) return;
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const { icon, apple, openGraph, twitter, manifest } = staticFilesMetadata;
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// Keep updating the static icons in the most leaf node
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if (icon) {
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leafSegmentStaticIcons.icon = icon;
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}
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if (apple) {
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leafSegmentStaticIcons.apple = apple;
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}
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// file based metadata is specified and current level metadata twitter.images is not specified
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if (twitter && !(source == null ? void 0 : (_source_twitter = source.twitter) == null ? void 0 : _source_twitter.hasOwnProperty("images"))) {
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const resolvedTwitter = resolveTwitter({
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...target.twitter,
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images: twitter
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}, target.metadataBase, metadataContext, titleTemplates.twitter);
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target.twitter = resolvedTwitter;
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}
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// file based metadata is specified and current level metadata openGraph.images is not specified
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if (openGraph && !(source == null ? void 0 : (_source_openGraph = source.openGraph) == null ? void 0 : _source_openGraph.hasOwnProperty("images"))) {
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const resolvedOpenGraph = resolveOpenGraph({
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...target.openGraph,
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images: openGraph
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}, target.metadataBase, metadataContext, titleTemplates.openGraph);
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target.openGraph = resolvedOpenGraph;
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}
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if (manifest) {
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target.manifest = manifest;
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}
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return target;
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}
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// Merge the source metadata into the resolved target metadata.
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function mergeMetadata({ source, target, staticFilesMetadata, titleTemplates, metadataContext, buildState, leafSegmentStaticIcons }) {
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// If there's override metadata, prefer it otherwise fallback to the default metadata.
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const metadataBase = typeof (source == null ? void 0 : source.metadataBase) !== "undefined" ? source.metadataBase : target.metadataBase;
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for(const key_ in source){
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const key = key_;
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switch(key){
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case "title":
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{
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target.title = resolveTitle(source.title, titleTemplates.title);
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break;
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}
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case "alternates":
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{
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target.alternates = resolveAlternates(source.alternates, metadataBase, metadataContext);
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break;
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}
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case "openGraph":
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{
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target.openGraph = resolveOpenGraph(source.openGraph, metadataBase, metadataContext, titleTemplates.openGraph);
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break;
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}
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case "twitter":
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{
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target.twitter = resolveTwitter(source.twitter, metadataBase, metadataContext, titleTemplates.twitter);
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break;
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}
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case "facebook":
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target.facebook = resolveFacebook(source.facebook);
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break;
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case "verification":
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target.verification = resolveVerification(source.verification);
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break;
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case "icons":
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{
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target.icons = resolveIcons(source.icons);
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break;
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}
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case "appleWebApp":
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target.appleWebApp = resolveAppleWebApp(source.appleWebApp);
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break;
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case "appLinks":
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target.appLinks = resolveAppLinks(source.appLinks);
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break;
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case "robots":
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{
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target.robots = resolveRobots(source.robots);
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break;
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}
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case "archives":
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case "assets":
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case "bookmarks":
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case "keywords":
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{
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target[key] = resolveAsArrayOrUndefined(source[key]);
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break;
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}
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case "authors":
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{
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target[key] = resolveAsArrayOrUndefined(source.authors);
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break;
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}
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case "itunes":
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{
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target[key] = resolveItunes(source.itunes, metadataBase, metadataContext);
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break;
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}
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// directly assign fields that fallback to null
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case "applicationName":
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case "description":
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case "generator":
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case "creator":
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case "publisher":
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case "category":
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case "classification":
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case "referrer":
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case "formatDetection":
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case "manifest":
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// @ts-ignore TODO: support inferring
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target[key] = source[key] || null;
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break;
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case "other":
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target.other = Object.assign({}, target.other, source.other);
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break;
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case "metadataBase":
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target.metadataBase = metadataBase;
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break;
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default:
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{
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if ((key === "viewport" || key === "themeColor" || key === "colorScheme") && source[key] != null) {
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buildState.warnings.add(`Unsupported metadata ${key} is configured in metadata export in ${metadataContext.pathname}. Please move it to viewport export instead.\nRead more: https://nextjs.org/docs/app/api-reference/functions/generate-viewport`);
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}
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break;
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}
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}
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}
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mergeStaticMetadata(source, target, staticFilesMetadata, metadataContext, titleTemplates, leafSegmentStaticIcons);
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}
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function mergeViewport({ target, source }) {
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if (!source) return;
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for(const key_ in source){
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const key = key_;
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switch(key){
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case "themeColor":
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{
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target.themeColor = resolveThemeColor(source.themeColor);
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break;
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}
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case "colorScheme":
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target.colorScheme = source.colorScheme || null;
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break;
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default:
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if (typeof source[key] !== "undefined") {
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// @ts-ignore viewport properties
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target[key] = source[key];
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}
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break;
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}
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}
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}
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async function getDefinedViewport(mod, props, tracingProps) {
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if (isClientReference(mod)) {
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return null;
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}
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if (typeof mod.generateViewport === "function") {
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const { route } = tracingProps;
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return (parent)=>getTracer().trace(ResolveMetadataSpan.generateViewport, {
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spanName: `generateViewport ${route}`,
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attributes: {
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"next.page": route
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}
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}, ()=>mod.generateViewport(props, parent));
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}
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return mod.viewport || null;
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}
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async function getDefinedMetadata(mod, props, tracingProps) {
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// Layer is a client component, we just skip it. It can't have metadata exported.
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// Return early to avoid accessing properties error for client references.
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if (isClientReference(mod)) {
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return null;
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}
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if (typeof mod.generateMetadata === "function") {
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const { route } = tracingProps;
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return (parent)=>getTracer().trace(ResolveMetadataSpan.generateMetadata, {
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spanName: `generateMetadata ${route}`,
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attributes: {
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"next.page": route
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}
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}, ()=>mod.generateMetadata(props, parent));
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}
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return mod.metadata || null;
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}
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async function collectStaticImagesFiles(metadata, props, type) {
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var _this;
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if (!(metadata == null ? void 0 : metadata[type])) return undefined;
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const iconPromises = metadata[type].map(async (imageModule)=>interopDefault(await imageModule(props)));
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return (iconPromises == null ? void 0 : iconPromises.length) > 0 ? (_this = await Promise.all(iconPromises)) == null ? void 0 : _this.flat() : undefined;
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}
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async function resolveStaticMetadata(components, props) {
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const { metadata } = components;
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if (!metadata) return null;
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const [icon, apple, openGraph, twitter] = await Promise.all([
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collectStaticImagesFiles(metadata, props, "icon"),
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collectStaticImagesFiles(metadata, props, "apple"),
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collectStaticImagesFiles(metadata, props, "openGraph"),
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collectStaticImagesFiles(metadata, props, "twitter")
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]);
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const staticMetadata = {
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icon,
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apple,
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openGraph,
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twitter,
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manifest: metadata.manifest
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};
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return staticMetadata;
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}
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// [layout.metadata, static files metadata] -> ... -> [page.metadata, static files metadata]
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export async function collectMetadata({ tree, metadataItems, errorMetadataItem, props, route, errorConvention }) {
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let mod;
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let modType;
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const hasErrorConventionComponent = Boolean(errorConvention && tree[2][errorConvention]);
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if (errorConvention) {
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mod = await getComponentTypeModule(tree, "layout");
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modType = errorConvention;
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} else {
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[mod, modType] = await getLayoutOrPageModule(tree);
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}
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if (modType) {
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route += `/${modType}`;
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}
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const staticFilesMetadata = await resolveStaticMetadata(tree[2], props);
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const metadataExport = mod ? await getDefinedMetadata(mod, props, {
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route
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}) : null;
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const viewportExport = mod ? await getDefinedViewport(mod, props, {
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route
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}) : null;
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metadataItems.push([
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metadataExport,
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staticFilesMetadata,
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viewportExport
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]);
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if (hasErrorConventionComponent && errorConvention) {
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const errorMod = await getComponentTypeModule(tree, errorConvention);
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const errorViewportExport = errorMod ? await getDefinedViewport(errorMod, props, {
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route
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}) : null;
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const errorMetadataExport = errorMod ? await getDefinedMetadata(errorMod, props, {
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route
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}) : null;
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errorMetadataItem[0] = errorMetadataExport;
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errorMetadataItem[1] = staticFilesMetadata;
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errorMetadataItem[2] = errorViewportExport;
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}
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}
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export async function resolveMetadataItems({ tree, parentParams, metadataItems, errorMetadataItem, treePrefix = [], getDynamicParamFromSegment, searchParams, errorConvention }) {
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const [segment, parallelRoutes, { page }] = tree;
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const currentTreePrefix = [
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...treePrefix,
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segment
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];
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const isPage = typeof page !== "undefined";
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// Handle dynamic segment params.
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const segmentParam = getDynamicParamFromSegment(segment);
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/**
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* Create object holding the parent params and current params
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*/ const currentParams = // Handle null case where dynamic param is optional
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segmentParam && segmentParam.value !== null ? {
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...parentParams,
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[segmentParam.param]: segmentParam.value
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} : parentParams;
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let layerProps;
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if (isPage) {
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layerProps = {
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params: currentParams,
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searchParams
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};
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} else {
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layerProps = {
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params: currentParams
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};
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}
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await collectMetadata({
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tree,
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metadataItems,
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errorMetadataItem,
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errorConvention,
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props: layerProps,
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route: currentTreePrefix// __PAGE__ shouldn't be shown in a route
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.filter((s)=>s !== PAGE_SEGMENT_KEY).join("/")
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});
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for(const key in parallelRoutes){
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const childTree = parallelRoutes[key];
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await resolveMetadataItems({
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tree: childTree,
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metadataItems,
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errorMetadataItem,
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parentParams: currentParams,
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treePrefix: currentTreePrefix,
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searchParams,
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getDynamicParamFromSegment,
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errorConvention
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});
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}
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if (Object.keys(parallelRoutes).length === 0 && errorConvention) {
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// If there are no parallel routes, place error metadata as the last item.
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// e.g. layout -> layout -> not-found
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metadataItems.push(errorMetadataItem);
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}
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return metadataItems;
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}
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const isTitleTruthy = (title)=>!!(title == null ? void 0 : title.absolute);
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const hasTitle = (metadata)=>isTitleTruthy(metadata == null ? void 0 : metadata.title);
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function inheritFromMetadata(target, metadata) {
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if (target) {
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if (!hasTitle(target) && hasTitle(metadata)) {
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target.title = metadata.title;
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}
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if (!target.description && metadata.description) {
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target.description = metadata.description;
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}
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}
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}
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const commonOgKeys = [
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"title",
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"description",
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"images"
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];
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function postProcessMetadata(metadata, favicon, titleTemplates, metadataContext) {
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const { openGraph, twitter } = metadata;
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if (openGraph) {
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// If there's openGraph information but not configured in twitter,
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// inherit them from openGraph metadata.
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let autoFillProps = {};
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const hasTwTitle = hasTitle(twitter);
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const hasTwDescription = twitter == null ? void 0 : twitter.description;
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const hasTwImages = Boolean((twitter == null ? void 0 : twitter.hasOwnProperty("images")) && twitter.images);
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if (!hasTwTitle) {
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if (isTitleTruthy(openGraph.title)) {
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autoFillProps.title = openGraph.title;
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} else if (metadata.title && isTitleTruthy(metadata.title)) {
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autoFillProps.title = metadata.title;
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}
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}
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if (!hasTwDescription) autoFillProps.description = openGraph.description || metadata.description || undefined;
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if (!hasTwImages) autoFillProps.images = openGraph.images;
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if (Object.keys(autoFillProps).length > 0) {
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const partialTwitter = resolveTwitter(autoFillProps, metadata.metadataBase, metadataContext, titleTemplates.twitter);
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if (metadata.twitter) {
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metadata.twitter = Object.assign({}, metadata.twitter, {
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...!hasTwTitle && {
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title: partialTwitter == null ? void 0 : partialTwitter.title
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},
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...!hasTwDescription && {
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description: partialTwitter == null ? void 0 : partialTwitter.description
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},
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...!hasTwImages && {
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images: partialTwitter == null ? void 0 : partialTwitter.images
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}
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});
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} else {
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metadata.twitter = partialTwitter;
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}
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}
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}
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// If there's no title and description configured in openGraph or twitter,
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// use the title and description from metadata.
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inheritFromMetadata(openGraph, metadata);
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inheritFromMetadata(twitter, metadata);
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if (favicon) {
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if (!metadata.icons) {
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metadata.icons = {
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icon: [],
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apple: []
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};
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}
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metadata.icons.icon.unshift(favicon);
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}
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return metadata;
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}
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function collectMetadataExportPreloading(results, dynamicMetadataExportFn, resolvers) {
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const result = dynamicMetadataExportFn(new Promise((resolve)=>{
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resolvers.push(resolve);
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}));
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if (result instanceof Promise) {
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// since we eager execute generateMetadata and
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// they can reject at anytime we need to ensure
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// we attach the catch handler right away to
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// prevent unhandled rejections crashing the process
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result.catch((err)=>{
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return {
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__nextError: err
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};
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});
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}
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results.push(result);
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}
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async function getMetadataFromExport(getPreloadMetadataExport, dynamicMetadataResolveState, metadataItems, currentIndex, resolvedMetadata, metadataResults) {
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const metadataExport = getPreloadMetadataExport(metadataItems[currentIndex]);
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const dynamicMetadataResolvers = dynamicMetadataResolveState.resolvers;
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let metadata = null;
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if (typeof metadataExport === "function") {
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// Only preload at the beginning when resolves are empty
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if (!dynamicMetadataResolvers.length) {
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for(let j = currentIndex; j < metadataItems.length; j++){
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const preloadMetadataExport = getPreloadMetadataExport(metadataItems[j]);
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// call each `generateMetadata function concurrently and stash their resolver
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if (typeof preloadMetadataExport === "function") {
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collectMetadataExportPreloading(metadataResults, preloadMetadataExport, dynamicMetadataResolvers);
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}
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}
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}
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const resolveParent = dynamicMetadataResolvers[dynamicMetadataResolveState.resolvingIndex];
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const metadataResult = metadataResults[dynamicMetadataResolveState.resolvingIndex++];
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// In dev we clone and freeze to prevent relying on mutating resolvedMetadata directly.
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// In prod we just pass resolvedMetadata through without any copying.
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const currentResolvedMetadata = process.env.NODE_ENV === "development" ? Object.freeze(require("./clone-metadata").cloneMetadata(resolvedMetadata)) : resolvedMetadata;
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// This resolve should unblock the generateMetadata function if it awaited the parent
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// argument. If it didn't await the parent argument it might already have a value since it was
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// called concurrently. Regardless we await the return value before continuing on to the next layer
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resolveParent(currentResolvedMetadata);
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metadata = metadataResult instanceof Promise ? await metadataResult : metadataResult;
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if (metadata && typeof metadata === "object" && "__nextError" in metadata) {
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// re-throw caught metadata error from preloading
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throw metadata["__nextError"];
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}
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} else if (metadataExport !== null && typeof metadataExport === "object") {
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// This metadataExport is the object form
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metadata = metadataExport;
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}
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return metadata;
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}
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export async function accumulateMetadata(metadataItems, metadataContext) {
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const resolvedMetadata = createDefaultMetadata();
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const metadataResults = [];
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let titleTemplates = {
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title: null,
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twitter: null,
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openGraph: null
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};
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// Loop over all metadata items again, merging synchronously any static object exports,
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// awaiting any static promise exports, and resolving parent metadata and awaiting any generated metadata
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const dynamicMetadataResolvers = {
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resolvers: [],
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resolvingIndex: 0
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};
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const buildState = {
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warnings: new Set()
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};
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let favicon;
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// Collect the static icons in the most leaf node,
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// since we don't collect all the static metadata icons in the parent segments.
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const leafSegmentStaticIcons = {
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icon: [],
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apple: []
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};
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for(let i = 0; i < metadataItems.length; i++){
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var _staticFilesMetadata_icon;
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const staticFilesMetadata = metadataItems[i][1];
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// Treat favicon as special case, it should be the first icon in the list
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// i <= 1 represents root layout, and if current page is also at root
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if (i <= 1 && isFavicon(staticFilesMetadata == null ? void 0 : (_staticFilesMetadata_icon = staticFilesMetadata.icon) == null ? void 0 : _staticFilesMetadata_icon[0])) {
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var _staticFilesMetadata_icon1;
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const iconMod = staticFilesMetadata == null ? void 0 : (_staticFilesMetadata_icon1 = staticFilesMetadata.icon) == null ? void 0 : _staticFilesMetadata_icon1.shift();
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if (i === 0) favicon = iconMod;
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}
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const metadata = await getMetadataFromExport((metadataItem)=>metadataItem[0], dynamicMetadataResolvers, metadataItems, i, resolvedMetadata, metadataResults);
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mergeMetadata({
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target: resolvedMetadata,
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source: metadata,
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metadataContext,
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staticFilesMetadata,
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titleTemplates,
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buildState,
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leafSegmentStaticIcons
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});
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// If the layout is the same layer with page, skip the leaf layout and leaf page
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// The leaf layout and page are the last two items
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if (i < metadataItems.length - 2) {
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var _resolvedMetadata_title, _resolvedMetadata_openGraph, _resolvedMetadata_twitter;
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titleTemplates = {
|
|
title: ((_resolvedMetadata_title = resolvedMetadata.title) == null ? void 0 : _resolvedMetadata_title.template) || null,
|
|
openGraph: ((_resolvedMetadata_openGraph = resolvedMetadata.openGraph) == null ? void 0 : _resolvedMetadata_openGraph.title.template) || null,
|
|
twitter: ((_resolvedMetadata_twitter = resolvedMetadata.twitter) == null ? void 0 : _resolvedMetadata_twitter.title.template) || null
|
|
};
|
|
}
|
|
}
|
|
if (leafSegmentStaticIcons.icon.length > 0 || leafSegmentStaticIcons.apple.length > 0) {
|
|
if (!resolvedMetadata.icons) {
|
|
resolvedMetadata.icons = {
|
|
icon: [],
|
|
apple: []
|
|
};
|
|
if (leafSegmentStaticIcons.icon.length > 0) {
|
|
resolvedMetadata.icons.icon.unshift(...leafSegmentStaticIcons.icon);
|
|
}
|
|
if (leafSegmentStaticIcons.apple.length > 0) {
|
|
resolvedMetadata.icons.apple.unshift(...leafSegmentStaticIcons.apple);
|
|
}
|
|
}
|
|
}
|
|
// Only log warnings if there are any, and only once after the metadata resolving process is finished
|
|
if (buildState.warnings.size > 0) {
|
|
for (const warning of buildState.warnings){
|
|
Log.warn(warning);
|
|
}
|
|
}
|
|
return postProcessMetadata(resolvedMetadata, favicon, titleTemplates, metadataContext);
|
|
}
|
|
export async function accumulateViewport(metadataItems) {
|
|
const resolvedViewport = createDefaultViewport();
|
|
const viewportResults = [];
|
|
const dynamicMetadataResolvers = {
|
|
resolvers: [],
|
|
resolvingIndex: 0
|
|
};
|
|
for(let i = 0; i < metadataItems.length; i++){
|
|
const viewport = await getMetadataFromExport((metadataItem)=>metadataItem[2], dynamicMetadataResolvers, metadataItems, i, resolvedViewport, viewportResults);
|
|
mergeViewport({
|
|
target: resolvedViewport,
|
|
source: viewport
|
|
});
|
|
}
|
|
return resolvedViewport;
|
|
}
|
|
export async function resolveMetadata({ tree, parentParams, metadataItems, errorMetadataItem, getDynamicParamFromSegment, searchParams, errorConvention, metadataContext }) {
|
|
const resolvedMetadataItems = await resolveMetadataItems({
|
|
tree,
|
|
parentParams,
|
|
metadataItems,
|
|
errorMetadataItem,
|
|
getDynamicParamFromSegment,
|
|
searchParams,
|
|
errorConvention
|
|
});
|
|
let error;
|
|
let metadata = createDefaultMetadata();
|
|
let viewport = createDefaultViewport();
|
|
try {
|
|
viewport = await accumulateViewport(resolvedMetadataItems);
|
|
metadata = await accumulateMetadata(resolvedMetadataItems, metadataContext);
|
|
} catch (err) {
|
|
error = err;
|
|
}
|
|
return [
|
|
error,
|
|
metadata,
|
|
viewport
|
|
];
|
|
}
|
|
|
|
//# sourceMappingURL=resolve-metadata.js.map
|