DIAGRAM: ADia Javascript API

+-----------+          +-----------+       +---------+                  +-----------------+
| HTML Page |          | API User  |       | adia.js |                  | adia_worker.py  |
+-----------+          +-----------+       +---------+                  +-----------------+
      |                      |                  |                                |
      |~~~load()~~~~~~~~~~~~>|                  |                                |
      |                      |                  |                                |
      |<---------------------|                  |                                |
      |                      |                  |                                |
      |~~~load()~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>|                                |
      |                      |                  |                                |
      |                      |             ************************************************
      |                      |             * while adia_worker is not loaded              *
      |                      |             ************************************************
      |                      |                  |                                |
      |                      |                  |~~~isLoaded()~~~~~~~~~~~~~~~~~~>|
      |                      |                  |                                |
      |                      |                  |<--yes/no-----------------------|
      |                      |                  |                                |
      |                      |                  |~~~wait()~~~+                   |
      |                      |                  |            |                   |
      |                      |                  |<-----------+                   |
      |                      |                  |                                |
      |                      |             ************************************************
      |                      |             * end while                                    *
      |                      |             ************************************************
      |                      |                  |                                |
      |<----------------------------------------|                                |
      |                      |                  |                                |
      |                      |             ------------------------------------------------
      |                      |             | window.aDia.delay = 10                       |
      |                      |             | window.aDia.oninit = (aDia) => ...           |
      |                      |             | window.aDia.input = (aDia) => ...            |
      |                      |             | window.aDia.onresult = (aDia, result) => ... |
      |                      |             ------------------------------------------------
      |                      |                  |                                |
      |                      |~~~configure()~~~>|                                |
      |                      |                  |                                |
      |                      |<-----------------|                                |
      |                      |                  |                                |
      |                      |~~~go()~~~~~~~~~~>|                                |
      |                      |                  |                                |
      |                      |             ************************************************
      |                      |             * if source is changed                         *
      |                      |             ************************************************
      |                      |                  |                                |
      |                      |                  |~~~send(source)~~~~~~~~~~~~~~~~>|
      |                      |                  |                                |
      |                      |                  |<-------------------------------|
      |                      |                  |                                |
      |                      |             ************************************************
      |                      |             * end if                                       *
      |                      |             ************************************************
      |                      |                  |                                |
      |                      |<-----------------|                                |
      |                      |                  |                                |
      |                      |                  |<~~send(dia)~~~~~~~~~~~~~~~~~~~~|
      |                      |<~~onresult()~~~~~|                                |
      |                      |                  |                                |
      |                      |----------------->|                                |
      |                      |                  |------------------------------->|
      |                      |                  |                                |
+-----------+          +-----------+       +---------+                  +-----------------+
| HTML Page |          | API User  |       | adia.js |                  | adia_worker.py  |
+-----------+          +-----------+       +---------+                  +-----------------+