Skip to content

Crash Unhandled type Any on ESM-mode namespace import of module.exports = null #54352

Open
@andrewbranch

Description

@andrewbranch

Bug Report

🔎 Search Terms

unhandled type any

💻 Code

// @module: nodenext
// @allowJs: true
// @noEmit: true

// @Filename: single-null-export.js
module.exports = null;

// @Filename: index.mts
import * as x from "./single-null-export.js";

🙁 Actual behavior

Error: Debug Failure. Unhandled type Any
    at resolveStructuredTypeMembers (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:53313:15)
    at cloneTypeAsModuleType (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:45963:32)
    at resolveESModuleSymbol (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:45942:20)
    at getTargetOfNamespaceImport (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:44942:22)
    at getTargetOfAliasDeclaration (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:45249:16)
    at resolveAlias (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:45295:22)
    at checkAliasSymbol (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:78629:20)
    at checkImportBinding (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:78745:5)
    at checkImportDeclaration (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:78794:13)
    at checkSourceElementWorker (/Users/andrew/Developer/microsoft/eg/crash/node_modules/typescript/lib/tsc.js:79280:16)

🙂 Expected behavior

Compiles without error (and the type of x should be something like { default: null })

Metadata

Metadata

Assignees

No one assigned

    Labels

    BugA bug in TypeScriptCrashFor flagging bugs which are compiler or service crashes or unclean exits, rather than bad outputHelp WantedYou can do this

    Type

    No type

    Projects

    No projects

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions