TS fails to detect lost this binding

[Rudxain]

🔎 Search Terms

context TypeError Cannot convert undefined or null to object noImplicitThis disambiguator

🕗 Version & Regression Information

• This is the behavior in every version I tried, and I reviewed the FAQ for entries about this

⏯ Playground Link

https://www.typescriptlang.org/play/?target=99&jsx=0&ts=5.7.0-dev.20241015#code/PTAEDMEsDsFMCgAUBtAugOgM4HsBOAXASkUIG54kBGUAMhtDSzyJPJFAFVoBjAQwFcA5gAt8oACoBPAA6wAorlx4AXKADCvaNGxju2aADdYBUP2gATWFDjnQeUNH4AbJ6HzY7AIwBWsbvnh2UGDeMRwTRAAeTX1JAFtsfkwAPkIKJ1gw0ABeBgxw-HJMVkCwLj4hUQkZeUUVdU1tXX0jEzNLa1hbe0cXNw9sHz8AoJCw5lAomOh4xJTCIA

💻 Code

// fine
([].sort)();

(1 && [].sort)();
// Uncaught TypeError: Cannot convert undefined or null to object
//    at sort (<anonymous>)

let s = [].sort;
s();
// Uncaught TypeError: Cannot convert undefined or null to object
//    at sort (<anonymous>)

🙁 Actual behavior

Run-time error

🙂 Expected behavior

Compile-time error

Additional information about the issue

mdn/content#36355

[jcalz]

duplicate #7968

[typescript-bot]

This issue has been marked as "Duplicate" and has seen no recent activity. It has been automatically closed for house-keeping purposes.