From 4de41082d625c1513d2dc192bf562000e21de1c8 Mon Sep 17 00:00:00 2001
From: Lars Kappert <lars@webpro.nl>
Date: Fri, 19 Apr 2024 10:24:46 +0200
Subject: [PATCH] Remove obsolete `by` set

---
 packages/knip/src/index.ts                           | 1 -
 packages/knip/src/types/serializable-map.ts          | 1 -
 packages/knip/src/typescript/getImportsAndExports.ts | 3 ---
 3 files changed, 5 deletions(-)

diff --git a/packages/knip/src/index.ts b/packages/knip/src/index.ts
index 717457e17..f724772df 100644
--- a/packages/knip/src/index.ts
+++ b/packages/knip/src/index.ts
@@ -253,7 +253,6 @@ export const main = async (unresolvedConfiguration: CommandLineOptions) => {
     for (const id of importItems.importedNs) importedModule.importedNs.add(id);
     for (const id of importItems.isReExportedBy) importedModule.isReExportedBy.add(id);
     for (const id of importItems.isReExportedNs) importedModule.isReExportedNs.add(id);
-    for (const id of importItems.by) importedModule.by.add(id);
     if (importItems.hasStar) importedModule.hasStar = true;
     if (importItems.isReExport) importedModule.isReExport = true;
   };
diff --git a/packages/knip/src/types/serializable-map.ts b/packages/knip/src/types/serializable-map.ts
index b21efb227..baa7eed73 100644
--- a/packages/knip/src/types/serializable-map.ts
+++ b/packages/knip/src/types/serializable-map.ts
@@ -17,7 +17,6 @@ export type SerializableImports = {
   isReExportedBy: Set<string>;
   isReExportedAs: Set<[string, string]>;
   isReExportedNs: Set<[string, string]>;
-  by: Set<string>;
 };
 
 export type SerializableImportMap = Record<FilePath, SerializableImports>;
diff --git a/packages/knip/src/typescript/getImportsAndExports.ts b/packages/knip/src/typescript/getImportsAndExports.ts
index d976bf90f..a48e00ecb 100644
--- a/packages/knip/src/typescript/getImportsAndExports.ts
+++ b/packages/knip/src/typescript/getImportsAndExports.ts
@@ -104,11 +104,8 @@ const getImportsAndExports = (
       isReExportedNs: new Set(),
       importedNs: new Set(),
       identifiers: new Set(),
-      by: new Set(),
     });
 
-    internalImport.by.add(sourceFile.fileName);
-
     if (isReExport) {
       internalImport.isReExport = true;
       if (namespace && isStar) internalImport.isReExportedAs.add([sourceFile.fileName, namespace]);