🤖 Pick PR #59215 (Fix codefix crash on circular alias...) into release-5.5

src/services/exportInfoMap.ts

@@ -566,6 +566,7 @@ function isImportableSymbol(symbol: Symbol, checker: TypeChecker) {
 export function forEachNameOfDefaultExport<T>(defaultExport: Symbol, checker: TypeChecker, compilerOptions: CompilerOptions, preferCapitalizedNames: boolean, cb: (name: string) => T | undefined): T | undefined {
     let chain: Symbol[] | undefined;
     let current: Symbol | undefined = defaultExport;
+    const seen = new Map<Symbol, true>();
 
     while (current) {
         // The predecessor to this function also looked for a name on the `localSymbol`
@@ -583,6 +584,7 @@ export function forEachNameOfDefaultExport<T>(defaultExport: Symbol, checker: Ty
         }
 
         chain = append(chain, current);
+        if (!addToSeen(seen, current)) break;
         current = current.flags & SymbolFlags.Alias ? checker.getImmediateAliasedSymbol(current) : undefined;
     }
 

tests/baselines/reference/tsserver/fourslashServer/importFixes_ambientCircularDefaultCrash.js

@@ -0,0 +1,321 @@
+currentDirectory:: / useCaseSensitiveFileNames: false
+Info seq  [hh:mm:ss:mss] Provided types map file "/typesMap.json" doesn't exist
+//// [/index.ts]
+my
+
+//// [/lib.d.ts]
+lib.d.ts-Text
+
+//// [/lib.decorators.d.ts]
+lib.decorators.d.ts-Text
+
+//// [/lib.decorators.legacy.d.ts]
+lib.decorators.legacy.d.ts-Text
+
+//// [/tsconfig.json]
+{
+  "compilerOptions": {
+    "module": "preserve"
+  }
+}
+
+//// [/types.d.ts]
+declare module "mymod" {
+  import mymod from "mymod";
+  export default mymod;
+}
+
+
+Info seq  [hh:mm:ss:mss] request:
+    {
+      "seq": 0,
+      "type": "request",
+      "arguments": {
+        "file": "/tsconfig.json"
+      },
+      "command": "open"
+    }
+Info seq  [hh:mm:ss:mss] getConfigFileNameForFile:: File: /tsconfig.json ProjectRootPath: undefined:: Result: /tsconfig.json
+Info seq  [hh:mm:ss:mss] Creating configuration project /tsconfig.json
+Info seq  [hh:mm:ss:mss] FileWatcher:: Added:: WatchInfo: /tsconfig.json 2000 undefined Project: /tsconfig.json WatchType: Config file
+Info seq  [hh:mm:ss:mss] event:
+    {
+      "seq": 0,
+      "type": "event",
+      "event": "projectLoadingStart",
+      "body": {
+        "projectName": "/tsconfig.json",
+        "reason": "Creating possible configured project for /tsconfig.json to open"
+      }
+    }
+Info seq  [hh:mm:ss:mss] Config: /tsconfig.json : {
+ "rootNames": [
+  "/index.ts",
+  "/lib.d.ts",
+  "/lib.decorators.d.ts",
+  "/lib.decorators.legacy.d.ts",
+  "/types.d.ts"
+ ],
+ "options": {
+  "module": 200,
+  "configFilePath": "/tsconfig.json"
+ }
+}
+Info seq  [hh:mm:ss:mss] DirectoryWatcher:: Added:: WatchInfo:  1 undefined Config: /tsconfig.json WatchType: Wild card directory
+Info seq  [hh:mm:ss:mss] Elapsed:: *ms DirectoryWatcher:: Added:: WatchInfo:  1 undefined Config: /tsconfig.json WatchType: Wild card directory
+Info seq  [hh:mm:ss:mss] FileWatcher:: Added:: WatchInfo: /index.ts 500 undefined WatchType: Closed Script info
+Info seq  [hh:mm:ss:mss] FileWatcher:: Added:: WatchInfo: /lib.d.ts 500 undefined WatchType: Closed Script info
+Info seq  [hh:mm:ss:mss] FileWatcher:: Added:: WatchInfo: /lib.decorators.d.ts 500 undefined WatchType: Closed Script info
+Info seq  [hh:mm:ss:mss] FileWatcher:: Added:: WatchInfo: /lib.decorators.legacy.d.ts 500 undefined WatchType: Closed Script info
+Info seq  [hh:mm:ss:mss] FileWatcher:: Added:: WatchInfo: /types.d.ts 500 undefined WatchType: Closed Script info
+Info seq  [hh:mm:ss:mss] Starting updateGraphWorker: Project: /tsconfig.json
+Info seq  [hh:mm:ss:mss] Finishing updateGraphWorker: Project: /tsconfig.json projectStateVersion: 1 projectProgramVersion: 0 structureChanged: true structureIsReused:: Not Elapsed:: *ms
+Info seq  [hh:mm:ss:mss] Project '/tsconfig.json' (Configured)
+Info seq  [hh:mm:ss:mss] 	Files (5)
+	/lib.decorators.d.ts Text-1 lib.decorators.d.ts-Text
+	/lib.decorators.legacy.d.ts Text-1 lib.decorators.legacy.d.ts-Text
+	/index.ts Text-1 "my"
+	/lib.d.ts Text-1 lib.d.ts-Text
+	/types.d.ts Text-1 "declare module \"mymod\" {\n  import mymod from \"mymod\";\n  export default mymod;\n}"
+
+
+	lib.decorators.d.ts
+	  Library referenced via 'decorators' from file 'lib.d.ts'
+	  Matched by default include pattern '**/*'
+	lib.decorators.legacy.d.ts
+	  Library referenced via 'decorators.legacy' from file 'lib.d.ts'
+	  Matched by default include pattern '**/*'
+	index.ts
+	  Matched by default include pattern '**/*'
+	lib.d.ts
+	  Matched by default include pattern '**/*'
+	types.d.ts
+	  Matched by default include pattern '**/*'
+
+Info seq  [hh:mm:ss:mss] -----------------------------------------------
+Info seq  [hh:mm:ss:mss] event:
+    {
+      "seq": 0,
+      "type": "event",
+      "event": "projectLoadingFinish",
+      "body": {
+        "projectName": "/tsconfig.json"
+      }
+    }
+Info seq  [hh:mm:ss:mss] event:
+    {
+      "seq": 0,
+      "type": "event",
+      "event": "configFileDiag",
+      "body": {
+        "triggerFile": "/tsconfig.json",
+        "configFile": "/tsconfig.json",
+        "diagnostics": []
+      }
+    }
+Info seq  [hh:mm:ss:mss] Starting updateGraphWorker: Project: /dev/null/inferredProject1*
+Info seq  [hh:mm:ss:mss] Finishing updateGraphWorker: Project: /dev/null/inferredProject1* projectStateVersion: 1 projectProgramVersion: 0 structureChanged: true structureIsReused:: Not Elapsed:: *ms
+Info seq  [hh:mm:ss:mss] Project '/dev/null/inferredProject1*' (Inferred)
+Info seq  [hh:mm:ss:mss] 	Files (4)
+	/lib.d.ts Text-1 lib.d.ts-Text
+	/lib.decorators.d.ts Text-1 lib.decorators.d.ts-Text
+	/lib.decorators.legacy.d.ts Text-1 lib.decorators.legacy.d.ts-Text
+	/tsconfig.json SVC-1-0 "{\n  \"compilerOptions\": {\n    \"module\": \"preserve\"\n  }\n}"
+
+
+	lib.d.ts
+	  Default library for target 'es5'
+	lib.decorators.d.ts
+	  Library referenced via 'decorators' from file 'lib.d.ts'
+	lib.decorators.legacy.d.ts
+	  Library referenced via 'decorators.legacy' from file 'lib.d.ts'
+	tsconfig.json
+	  Root file specified for compilation
+
+Info seq  [hh:mm:ss:mss] -----------------------------------------------
+Info seq  [hh:mm:ss:mss] Project '/tsconfig.json' (Configured)
+Info seq  [hh:mm:ss:mss] 	Files (5)
+
+Info seq  [hh:mm:ss:mss] -----------------------------------------------
+Info seq  [hh:mm:ss:mss] Project '/dev/null/inferredProject1*' (Inferred)
+Info seq  [hh:mm:ss:mss] 	Files (4)
+
+Info seq  [hh:mm:ss:mss] -----------------------------------------------
+Info seq  [hh:mm:ss:mss] Open files: 
+Info seq  [hh:mm:ss:mss] 	FileName: /tsconfig.json ProjectRootPath: undefined
+Info seq  [hh:mm:ss:mss] 		Projects: /dev/null/inferredProject1*
+After Request
+watchedFiles::
+/index.ts: *new*
+  {"pollingInterval":500}
+/lib.d.ts: *new*
+  {"pollingInterval":500}
+/lib.decorators.d.ts: *new*
+  {"pollingInterval":500}
+/lib.decorators.legacy.d.ts: *new*
+  {"pollingInterval":500}
+/tsconfig.json: *new*
+  {"pollingInterval":2000}
+/types.d.ts: *new*
+  {"pollingInterval":500}
+
+watchedDirectoriesRecursive::
+: *new*
+  {}
+
+Projects::
+/dev/null/inferredProject1* (Inferred) *new*
+    projectStateVersion: 1
+    projectProgramVersion: 1
+/tsconfig.json (Configured) *new*
+    projectStateVersion: 1
+    projectProgramVersion: 1
+    noOpenRef: true
+
+ScriptInfos::
+/index.ts *new*
+    version: Text-1
+    containingProjects: 1
+        /tsconfig.json
+/lib.d.ts *new*
+    version: Text-1
+    containingProjects: 2
+        /tsconfig.json
+        /dev/null/inferredProject1*
+/lib.decorators.d.ts *new*
+    version: Text-1
+    containingProjects: 2
+        /tsconfig.json
+        /dev/null/inferredProject1*
+/lib.decorators.legacy.d.ts *new*
+    version: Text-1
+    containingProjects: 2
+        /tsconfig.json
+        /dev/null/inferredProject1*
+/tsconfig.json (Open) *new*
+    version: SVC-1-0
+    containingProjects: 1
+        /dev/null/inferredProject1* *default*
+/types.d.ts *new*
+    version: Text-1
+    containingProjects: 1
+        /tsconfig.json
+
+Info seq  [hh:mm:ss:mss] request:
+    {
+      "seq": 1,
+      "type": "request",
+      "arguments": {
+        "preferences": {
+          "includeCompletionsForModuleExports": true,
+          "includeCompletionsWithInsertText": true
+        }
+      },
+      "command": "configure"
+    }
+Info seq  [hh:mm:ss:mss] response:
+    {
+      "seq": 0,
+      "type": "response",
+      "command": "configure",
+      "request_seq": 1,
+      "success": true
+    }
+Info seq  [hh:mm:ss:mss] request:
+    {
+      "seq": 2,
+      "type": "request",
+      "arguments": {
+        "file": "/index.ts",
+        "includeLinePosition": true
+      },
+      "command": "syntacticDiagnosticsSync"
+    }
+Info seq  [hh:mm:ss:mss] response:
+    {
+      "seq": 0,
+      "type": "response",
+      "command": "syntacticDiagnosticsSync",
+      "request_seq": 2,
+      "success": true,
+      "body": []
+    }
+Info seq  [hh:mm:ss:mss] request:
+    {
+      "seq": 3,
+      "type": "request",
+      "arguments": {
+        "file": "/index.ts",
+        "includeLinePosition": true
+      },
+      "command": "semanticDiagnosticsSync"
+    }
+Info seq  [hh:mm:ss:mss] response:
+    {
+      "seq": 0,
+      "type": "response",
+      "command": "semanticDiagnosticsSync",
+      "request_seq": 3,
+      "success": true,
+      "body": [
+        {
+          "message": "Cannot find name 'my'.",
+          "start": 0,
+          "length": 2,
+          "category": "error",
+          "code": 2304,
+          "startLocation": {
+            "line": 1,
+            "offset": 1
+          },
+          "endLocation": {
+            "line": 1,
+            "offset": 3
+          }
+        }
+      ]
+    }
+Info seq  [hh:mm:ss:mss] request:
+    {
+      "seq": 4,
+      "type": "request",
+      "arguments": {
+        "file": "/index.ts",
+        "includeLinePosition": true
+      },
+      "command": "suggestionDiagnosticsSync"
+    }
+Info seq  [hh:mm:ss:mss] response:
+    {
+      "seq": 0,
+      "type": "response",
+      "command": "suggestionDiagnosticsSync",
+      "request_seq": 4,
+      "success": true,
+      "body": []
+    }
+Info seq  [hh:mm:ss:mss] request:
+    {
+      "seq": 5,
+      "type": "request",
+      "arguments": {
+        "file": "/index.ts",
+        "startLine": 1,
+        "startOffset": 1,
+        "endLine": 1,
+        "endOffset": 3,
+        "errorCodes": [
+          2304
+        ]
+      },
+      "command": "getCodeFixes"
+    }
+Info seq  [hh:mm:ss:mss] response:
+    {
+      "seq": 0,
+      "type": "response",
+      "command": "getCodeFixes",
+      "request_seq": 5,
+      "success": true,
+      "body": []
+    }

tests/cases/fourslash/server/importFixes_ambientCircularDefaultCrash.ts

@@ -0,0 +1,19 @@
+/// <reference path="../fourslash.ts" />
+
+// @Filename: /tsconfig.json
+//// {
+////   "compilerOptions": {
+////     "module": "preserve"
+////   }
+//// }
+
+// @Filename: /types.d.ts
+//// declare module "mymod" {
+////   import mymod from "mymod";
+////   export default mymod;
+//// }
+
+// @Filename: /index.ts
+//// my/**/
+
+verify.importFixModuleSpecifiers("", []);