no-return-undefined.md

Pattern: Use of return undefined

Issue: -

Description

Using return undefined or return void 0; is unnecessary, because undefined is the default return value. Just use return; instead.

Options

"allow-void-expression"

Allows the use of void expressions like return void callback() or return void (foo = bar). Using the void keyword with a static expression like return void 0 is still not allowed, as this serves no real purpose.

Further Reading

• TSLint - no-return-undefined