Generated HTML5 Presentations

== Helper Methods

[source,groovy,indent=0]
----
include::{sources}/test/groovy/sample/HelperMethods.groovy[tag=slide]
----

[NOTE.speaker]
--
If you factor out implicit conditions to helper methods,
you must make the conditions explicit,
with the `assert` keyword
--

[ditaa]
----
                   +-------------+
                   | Asciidoctor |-------+
                   |   diagram   |       |
                   +-------------+       | PNG out
                       ^                 |
                       | ditaa in        |
                       |                 v
 +--------+   +--------+----+    /---------------\
 |        | --+ Asciidoctor +--> |               |
 |  Text  |   +-------------+    |   Beautiful   |
 |Document|   |   !magic!   |    |    Output     |
 |     {d}|   |             |    |               |
 +---+----+   +-------------+    \---------------/
     :                                   ^
     |          Lots of work             |
     +-----------------------------------+
----