GeneratorFunction should not be newable

[LongTengDao]

⚙ Compilation target

ES2015 ES2018

⚙ Library

generator asyncgenerator

Missing / Incorrect Definition

GeneratorFunction and AsyncGeneratorFunction (async function * () {}) should not be newable.

GeneratorFunction means function * () {} which is only callable, while GeneratorFunctionConstructor means function * () {}.constructor which is both callable and newable.

Sample Code

declare const gen: GeneratorFunction;
new gen;// there should cause a type error, but not

Documentation Link

No response