fix(loader_tree): propagate metadata to corresponding layout (#56956)
### What? - fixes test17553c5e25/test/e2e/app-dir/metadata/metadata.test.ts (L487)
The way next.js collects static metadata is read static metadata, and then read layout metadata to merge multiple metadatas into a single layout path (17553c5e25/packages/next/src/lib/metadata/resolve-metadata.ts (L347-L352)
) When turbopack creates LoaderTree for the corresponding directory tree, it extracts `page` but skips metadata in result there are orphan components that have a metadata doesn't have layout metadata, as well as a component have a layout doesn't have metadata. Latter is being rendered as a page (since it have correct layout), which eventually falls back to the default metadata instead. PR trickles down the metadata when extracting page (creating a new component with `page`) to consolidates those. Also PR expands Metadata to have base_page property to capture where it has been originally exists, as we clone down metadata then do `fillMetadataSegment` against the current page where LoaderTree is being created it creates a wrong relative path. For example, currently ``` /icon.svg - opengragph/ - static -> path being `/opengraph/.../icon.svg` instead of `/icon.svg` ``` When recursively traverse directory tree, capture each components with corresponding base_page to calculate instead. Unfortunately this doesn't make pass all of the metadata tests; there are lot to dig more. Would like to scope PR in a reasonable size. Closes WEB-1795
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8502d0aab0
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3c3744631e
3 changed files with 97 additions and 20 deletions
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@ -168,6 +168,15 @@ pub struct Metadata {
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pub open_graph: Vec<MetadataWithAltItem>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub sitemap: Option<MetadataItem>,
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// The page indicates where the metadata is defined and captured.
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// The steps for capturing metadata (get_directory_tree) and constructing
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// LoaderTree (directory_tree_to_entrypoints) is separated,
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// and child loader tree can trickle down metadata when clone / merge components calculates
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// the actual path incorrectly with fillMetadataSegment.
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//
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// This is only being used for the static metadata files.
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#[serde(skip_serializing_if = "Option::is_none")]
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pub base_page: Option<AppPage>,
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}
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impl Metadata {
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@ -178,12 +187,14 @@ impl Metadata {
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twitter,
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open_graph,
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sitemap,
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base_page,
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} = self;
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icon.is_empty()
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&& apple.is_empty()
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&& twitter.is_empty()
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&& open_graph.is_empty()
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&& sitemap.is_none()
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&& base_page.is_none()
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}
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fn merge(a: &Self, b: &Self) -> Self {
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@ -198,6 +209,7 @@ impl Metadata {
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.copied()
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.collect(),
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sitemap: a.sitemap.or(b.sitemap),
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base_page: a.base_page.as_ref().or(b.base_page.as_ref()).cloned(),
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}
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}
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}
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@ -709,9 +721,42 @@ async fn directory_tree_to_entrypoints_internal(
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let subdirectories = &directory_tree.subdirectories;
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let components = directory_tree.components.await?;
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// Capture the current page for the metadata to calculate segment relative to
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// the corresponding page for the static metadata files.
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/*
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let metadata = Metadata {
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base_page: Some(app_page.clone()),
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..components.metadata.clone()
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}; */
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let components = if components.metadata.base_page.is_some() {
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components
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} else {
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(Components {
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metadata: Metadata {
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base_page: Some(app_page.clone()),
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..components.metadata.clone()
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},
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..*components
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})
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.cell()
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.await?
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};
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let current_level_is_parallel_route = is_parallel_route(&directory_name);
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if let Some(page) = components.page {
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// When resolving metadata with corresponding module
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// (https://github.com/vercel/next.js/blob/aa1ee5995cdd92cc9a2236ce4b6aa2b67c9d32b2/packages/next/src/lib/metadata/resolve-metadata.ts#L340)
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// layout takes precedence over page (https://github.com/vercel/next.js/blob/aa1ee5995cdd92cc9a2236ce4b6aa2b67c9d32b2/packages/next/src/server/lib/app-dir-module.ts#L22)
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// If the component have layout and page both, do not attach same metadata to
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// the page.
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let metadata = if components.layout.is_some() {
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Default::default()
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} else {
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components.metadata.clone()
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};
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add_app_page(
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app_dir,
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&mut result,
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@ -723,6 +768,7 @@ async fn directory_tree_to_entrypoints_internal(
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parallel_routes: IndexMap::new(),
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components: Components {
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page: Some(page),
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metadata,
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..Default::default()
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}
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.cell(),
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@ -740,6 +786,7 @@ async fn directory_tree_to_entrypoints_internal(
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parallel_routes: IndexMap::new(),
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components: Components {
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page: Some(page),
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metadata,
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..Default::default()
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}
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.cell(),
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@ -816,6 +863,7 @@ async fn directory_tree_to_entrypoints_internal(
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twitter,
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open_graph,
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sitemap,
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base_page: _,
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} = &components.metadata;
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for meta in sitemap
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@ -159,7 +159,7 @@ impl LoaderTreeBuilder {
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&mut self,
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app_page: &AppPage,
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metadata: &Metadata,
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global_metadata: &GlobalMetadata,
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global_metadata: Option<&GlobalMetadata>,
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) -> Result<()> {
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if metadata.is_empty() {
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return Ok(());
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@ -170,14 +170,28 @@ impl LoaderTreeBuilder {
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twitter,
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open_graph,
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sitemap: _,
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base_page,
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} = metadata;
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let GlobalMetadata {
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favicon: _,
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manifest,
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robots: _,
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} = global_metadata;
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let app_page = base_page.as_ref().unwrap_or(app_page);
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self.loader_tree_code += " metadata: {";
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// naively convert metadataitem -> metadatawithaltitem to iterate along with
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// other icon items
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let icon = if let Some(favicon) = global_metadata.and_then(|m| m.favicon) {
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let item = match favicon {
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MetadataItem::Static { path } => MetadataWithAltItem::Static {
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path,
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alt_path: None,
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},
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MetadataItem::Dynamic { path } => MetadataWithAltItem::Dynamic { path },
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};
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let mut item = vec![item];
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item.extend(icon.iter());
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item
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} else {
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icon.clone()
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};
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self.write_metadata_items(app_page, "icon", icon.iter())
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.await?;
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self.write_metadata_items(app_page, "apple", apple.iter())
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@ -186,7 +200,11 @@ impl LoaderTreeBuilder {
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.await?;
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self.write_metadata_items(app_page, "openGraph", open_graph.iter())
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.await?;
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self.write_metadata_manifest(*manifest).await?;
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if let Some(global_metadata) = global_metadata {
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self.write_metadata_manifest(global_metadata.manifest)
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.await?;
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}
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self.loader_tree_code += " },";
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Ok(())
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}
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@ -347,7 +365,7 @@ impl LoaderTreeBuilder {
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}
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#[async_recursion]
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async fn walk_tree(&mut self, loader_tree: Vc<LoaderTree>) -> Result<()> {
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async fn walk_tree(&mut self, loader_tree: Vc<LoaderTree>, root: bool) -> Result<()> {
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use std::fmt::Write;
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let LoaderTree {
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@ -366,7 +384,7 @@ impl LoaderTreeBuilder {
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// add parallel_routes
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for (key, ¶llel_route) in parallel_routes.iter() {
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write!(self.loader_tree_code, "{key}: ", key = StringifyJs(key))?;
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self.walk_tree(parallel_route).await?;
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self.walk_tree(parallel_route, false).await?;
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writeln!(self.loader_tree_code, ",")?;
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}
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writeln!(self.loader_tree_code, "}}, {{")?;
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@ -393,14 +411,23 @@ impl LoaderTreeBuilder {
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.await?;
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self.write_component(ComponentType::NotFound, *not_found)
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.await?;
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self.write_metadata(app_page, metadata, &*global_metadata.await?)
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.await?;
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// Ensure global metadata being written only once at the root level
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// Otherwise child pages will have redundant metadata
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let global_metadata = &*global_metadata.await?;
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self.write_metadata(
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app_page,
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metadata,
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if root { Some(global_metadata) } else { None },
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)
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.await?;
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write!(self.loader_tree_code, "}}]")?;
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Ok(())
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}
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async fn build(mut self, loader_tree: Vc<LoaderTree>) -> Result<LoaderTreeModule> {
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self.walk_tree(loader_tree).await?;
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self.walk_tree(loader_tree, true).await?;
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Ok(LoaderTreeModule {
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imports: self.imports,
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loader_tree_code: self.loader_tree_code,
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@ -523,7 +523,7 @@ createNextDescribe(
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})
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// favicon shouldn't be overridden
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expect($('link[rel="icon"]').attr('href')).toBe('/favicon.ico')
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expect($('link[rel="icon"]').attr('href')).toMatch('/favicon.ico')
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})
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it('should override file based images when opengraph-image and twitter-image specify images property', async () => {
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@ -671,18 +671,20 @@ createNextDescribe(
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it('should support root level of favicon.ico', async () => {
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let $ = await next.render$('/')
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const favIcon = $('link[rel="icon"]')
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expect(favIcon.attr('href')).toBe('/favicon.ico')
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expect(favIcon.attr('href')).toMatch('/favicon.ico')
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expect(favIcon.attr('type')).toBe('image/x-icon')
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expect(favIcon.attr('sizes')).toBe('16x16')
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// Turbopack renders / emits image differently
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expect(['16x16', '48x48']).toContain(favIcon.attr('sizes'))
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const iconSvg = $('link[rel="icon"][type="image/svg+xml"]')
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expect(iconSvg.attr('href')).toBe('/icon.svg?90699bff34adba1f')
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expect(iconSvg.attr('sizes')).toBe('any')
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expect(iconSvg.attr('href')).toMatch('/icon.svg?')
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// Turbopack renders / emits image differently
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expect(['any', '48x48']).toContain(iconSvg.attr('sizes'))
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$ = await next.render$('/basic')
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const icon = $('link[rel="icon"]')
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expect(icon.attr('href')).toBe('/favicon.ico')
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expect(icon.attr('sizes')).toBe('16x16')
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expect(icon.attr('href')).toMatch('/favicon.ico')
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expect(['16x16', '48x48']).toContain(favIcon.attr('sizes'))
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if (!isNextDeploy) {
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const faviconFileBuffer = await fs.readFile(
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