leptus_utils module

This module provides a bunch of utilities.

Finds the path to the priv directory in an application.

priv_dir(App) -> Dir | {error, bad_name}

Types:

App = atom()
Dir = file:name_all()

Generates a paginator function for paginating a list of elements.

paginator(NElementPerPage) -> fun((Page, Objects) -> Objects)

Types:

NElementPerPage = Page = non_neg_integer()
Objects = [any()]

Example:

1> Page = paginator(3).
2> Page(2, [1,2,3,4,5,6,7,8,9]).
[4,5,6]

Paginates a list of objects.

paginate(NElementPerPage, Objects, Page) -> Objects

Types:

NElementPerPage = Page = non_neg_integer()
Objects = [any()]

Returns a running listener bucket that includes Handlers, Options and started date-time.

listener_bucket(Listener) -> Bucket | not_found

Types:

Listener = http | https
Bucket = #listener_bucket{}

Returns handlers of a running listener.

listener_handlers(Listener) -> Handlers | {error, not_found}

Types:

Listener = http | https
Handlers = [{module(), State :: any()}]

Prints a running listener information, such as handlers, routes and allowed methods.

print_listener_info(Listener) -> ok

Types:

Listener = http | https

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