fix(js): only add typescript project references for explicit dependen…

…cies in sync generator

This change omits references to implicit dependency tsconfigs for typescript projects in the sync
generator, since given that they are not referenced directly in code there is no need for project
references.

Fixes nrwl#28997

packages/js/src/generators/typescript-sync/typescript-sync.spec.ts

@@ -57,6 +57,14 @@ describe('syncGenerator()', () => {
     });
   }
 
+  function addProjectWithImplicitDependencies(
+    name: string,
+    implicitDependencies: string[]
+  ) {
+    addProject(name);
+    projectGraph.nodes[name].data.implicitDependencies = implicitDependencies;
+  }
+
   beforeEach(async () => {
     tree = createTreeWithEmptyWorkspace();
     projectGraph = {
@@ -612,6 +620,23 @@ describe('syncGenerator()', () => {
       `);
     });
 
+    it('should not add a reference if dependent project is an implicit dependency', async () => {
+      addProject('implicit-dep');
+      addProjectWithImplicitDependencies('foo', ['implicit-dep']);
+
+      await syncGenerator(tree);
+
+      expect(tree.read('packages/foo/tsconfig.json').toString('utf-8'))
+        .toMatchInlineSnapshot(`
+        "{
+          "compilerOptions": {
+            "composite": true
+          }
+        }
+        "
+      `);
+    });
+
     describe('without custom sync generator options', () => {
       it.each`
         runtimeTsConfigFileName

packages/js/src/generators/typescript-sync/typescript-sync.ts

@@ -465,13 +465,22 @@ function collectProjectDependencies(
 
   collectedDependencies.set(projectName, []);
 
+  const implicitDependencies = new Set(
+    projectGraph.nodes[projectName].data.implicitDependencies ?? []
+  );
+
   for (const dep of projectGraph.dependencies[projectName]) {
     const targetProjectNode = projectGraph.nodes[dep.target];
     if (!targetProjectNode) {
       // It's an npm dependency
       continue;
     }
 
+    if (implicitDependencies.has(targetProjectNode.name)) {
+      // It's an implicit dependency and therefore not explicitly referenced in code
+      continue;
+    }
+
     // Add the target project node to the list of dependencies for the current project
     if (
       !collectedDependencies