Function IsAsyncFunction

internal/ast/utilities.go:4415–4422

(node *Node)

}

func IsAsyncFunction(node *Node) bool {
	switch node.Kind {
	case KindFunctionDeclaration, KindFunctionExpression, KindArrowFunction, KindMethodDeclaration:
		data := node.BodyData()
		return data.Body != nil && data.AsteriskToken == nil && HasSyntacticModifier(node, ModifierFlagsAsync)
	}
	return false
}

/**
 * Gets the most likely element type for a TypeNode. This is not an exhaustive test