headerLevel.js module throws TypeError exceptions

[JohnWMay]

The headerLevel.js module throws:
.../node_modules/blue-button-generate/lib/headerLevel.js:24
return input.substring(0, 1);
^
TypeError: undefined is not a function

as well as on line 36.

I was able to generate the XML version by changing "input" to "input.code" on each of these lines: 24, and 36. Is this accurate? It worked.

[jsachs]

Hi @JohnWMay,

You shouldn't have to change anything to get the module to work--we've been using the source file in question for the past 10 months without issue. A few questions:

1. Is the issue happening for both gender and marital status sections independently? In other words, if you make the change that avoids the error at line 24, can you still get the other error to occur?
2. What does your gender and marital status data look like?

[webmaven]

@JohnWMay , is this still an issue?

[JohnWMay]

Hi.

I can’t follow up with this issue, to give you a definite answer, as I was re-assigned to other work back then.

John W. May
571-247-5669

From: Michael R. Bernstein [mailto:[email protected]]
Sent: Sunday, July 03, 2016 2:38 AM
To: amida-tech/blue-button-generate
Cc: May, John (CACI); Mention
Subject: [EXTERNAL] Re: [amida-tech/blue-button-generate] headerLevel.js module throws TypeError exceptions (#26)

@JohnWMayhttps://github.com/JohnWMay , is this still an issue?

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[webmaven]

Hmm. No commits to this repo since February. Is it still being maintained?

[jsachs]

@webmaven we still maintain the repo, we just haven't done active development on it in a while.

[sjpadgett]

When parsing a document the gender and marital status are code array consisting of code and display name where headerLevel.js:24 (and other's) look for a string. So while using supplied json will work because gender object is not complete but only a string(display name), normal ccd parsed json will not.
From document parse
{ name: 'Female',
code: 'F',
code_system_name: 'HL7 AdministrativeGender' }
Now, when only the gender json string (Female) is supplied the generator will format the xml correctly into required format. Probably best solution is to test the input to determine type.

[jsachs]

@sjpadgett I'm not quite sure what you're saying. Are you saying that when code is missing the parser will not work? I haven't worked on this repo in a while, but I believe that is expected behavior--the parser should value the code as the source of truth, not the name field.

[sjpadgett]

What i'm saying is that when a xml document is parsed the resolved json gender is an array of
{ name: 'Female',
code: 'F',
code_system_name: 'HL7 AdministrativeGender' }
as it should be however, if you take that same json from the parsed document and tried to generate a new document then the template routine at line 24 is looking for a string value not an object/array.
Your json samples only supply a string for gender/marital status therefore it works no problem.
So if you parse a document then edited json and tried to render that same document, it will fail.

[sjpadgett]

Also, I have dumped the item value at that location and indeed it is an array of name,code,code_system

[sjpadgett]

If anyone who is monitoring this repo has any tools that help populate the bb model for generating document such as empty json arrays or routines for doing so, I may be able to give something back to ya as I progress.

[jsachs]

Check out https://github.com/amida-tech/blue-button and https://github.com/amida-tech/blue-button-model

[sjpadgett]

Thanks jsachs, I've seen them and have a pretty good working knowledge of all the tools but I'm at the point of populating patient data to create documents and was wondering how others handle this.
Kudos on a very well done project and thanks for sharing.

[jsachs]

There are some sample documents at http://developers.amida-tech.com/document_model.html. Is this what you're looking for?