Bash Alias Sourcing Issue

lib.sh
```
shopt -s expand_aliases

function my.func()
{
        echo "Hello, world!"
}

alias mf='my.func'
```

run.sh
```
#!/usr/bin/env bash
shopt -s expand_aliases

source lib.sh

my.func
bash --noprofile --norc -ci "source lib.sh; mf"
```


output of run.sh
```
Hello, world!
bash: mf: command not found
```