Javascript styleguide to access fields

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Have you had any pattern to access fields in:

Single instance (org_sourcetype)
Multiple instances (org_sourcetype1, org_sourcetype2)

Of course, we can hard code when using getControl('org_sourcetype1') but it's lacking the knowledge of the field.

How about if we start a Json definition related to UI Form

var UI = {
     HEADER: {
         TYPE: 'header_type'
     },
     DETAIL: {
         DEPARTMENT: 'department',
         SOURCE_TYPE: 'sourcetype'
     },
     SUMMARY: {
         DEPARTMENT: 'department1',
         SOURCE_TYPE: 'sourcetype1'
     }        
};

// Access
formContext.getControl(UI.HEADER.TYPE) or formContext.getControl(UI.SUMMARY.SOURCE_TYPE)

PROS:

Easy to indicate fields in case multiple instances
Readable and maintainable

CONS:

Changing UI, need to update the JSON to reflect changes, still, need to touch Javascript file.

Any ideas about this?

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Flydancer 1,332 on at

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I am using the following tool to automatically generate Form specific "intellisense" it works with JS & TS xrmtoolkit.com/.../ScriptingIntellisense

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