📄 Prioritize project-level parts for project-level typst export

.changeset/rare-months-rest.md

@@ -0,0 +1,5 @@
+---
+'myst-cli': patch
+---
+
+Prioritize project-level parts for project-level typst export

packages/myst-cli/src/build/typst.ts

@@ -66,8 +66,8 @@
   mdast: GenericParent,
   references: References,
   frontmatter: PageFrontmatter,
   templateYml: TemplateYml | null,
   printGlossaries: boolean,
 ) {
   const pipe = unified().use(mystToTypst, {
     math: frontmatter?.math,
@@ -267,6 +267,31 @@
     macros: [],
     commands: {},
   };
+  const state = session.store.getState();
+  const projectFrontmatter = selectors.selectLocalProjectConfig(state, projectPath ?? '.') ?? {};
+  if (file === selectors.selectCurrentProjectFile(state)) {
+    // If export is defined at the project level, prioritize project parts over page parts
+    partDefinitions.forEach((def) => {
+      const part = extractTypstPart(
+        session,
+        { type: 'root', children: [] },
+        {},
+        def,
+        projectFrontmatter,
+        templateYml,
+      );
+      if (Array.isArray(part)) {
+        // This is the case if def.as_list is true
+        part.forEach((item) => {
+          collected = mergeTypstTemplateImports(collected, item);
+        });
+        parts[def.id] = part.map(({ value }) => value);
+      } else if (part != null) {
+        collected = mergeTypstTemplateImports(collected, part);
+        parts[def.id] = part?.value ?? '';
+      }
+    });
+  }
   const hasGlossaries = false;
   const results = await Promise.all(
     content.map(async ({ mdast, frontmatter, references }, ind) => {
@@ -311,8 +336,7 @@
     frontmatter = content[0].frontmatter;
     typstContent = results[0].value;
   } else {
-    const state = session.store.getState();
-    frontmatter = selectors.selectLocalProjectConfig(state, projectPath ?? '.') ?? {};
+    frontmatter = projectFrontmatter;
     const { dir, name, ext } = path.parse(output);
     typstContent = '';
     let fileInd = 0;