.safe_extract_first

Internal helper function used to extract the first non-empty value
from a list of fields, in order, from a list of records.
If all fields are <code>NULL</code> or empty strings, returns <code>""</code>.

internal

Provides helper functions and wrappers to simplify authentication,
data retrieval, and result processing from the 'VALD' 'APIs'.
Designed to streamline integration for analysts and researchers working
with 'VALD's external 'APIs'.
For further documentation on integrating with 'VALD' 'APIs', see:
<https://support.vald.com/hc/en-au/articles/23415335574553-How-to-integrate-with-VALD-APIs>.
For a step-by-step guide to using this package, see:
<https://support.vald.com/hc/en-au/articles/48730811824281-A-guide-to-using-the-valdr-R-package>.

Kieran Harrison

valdr

Access and Analyse 'VALD' Data via Our External 'APIs'

VALD Support 

VALD 

.safe_extract_first function

<dl><dt>x</dt>
<dd>A list of lists (records), coming from parsed JSON API responses.</dd>
<dt>fields</dt>
<dd>A character vector naming the candidate fields to check in order.</dd></dl>

Arguments

Safely extract the first non-empty field from a list of lists — .safe_extract_first

<dl>

<dt>x</dt>
<dd>A list of lists (records), coming from parsed JSON API responses.</dd>


<dt>fields</dt>
<dd>A character vector naming the candidate fields to check in order.</dd>

</dl>

.safe_extract_first: Safely extract the first non-empty field from a list of lists

Description

Usage

Value

Arguments