feat: exportDeltaFile can take an optional transformerFunctionName re…

…sourceConfig option

lib/components/state-resources/exporting-csv-delta-file/index.js

@@ -3,6 +3,7 @@
  */
 'use strict'
 const generateDelta = require('@wmfs/pg-delta-file')
+const getFunction = require('@wmfs/tymly/lib/getFunction.js')
 
 class ExportingCsvDeltaFile {
   init (resourceConfig, env, callback) {
@@ -11,6 +12,9 @@ class ExportingCsvDeltaFile {
     this.createdColumnName = resourceConfig.createdColumnName || '_created'
     this.modifiedColumnName = resourceConfig.modifiedColumnName || '_modified'
     this.csvExtracts = resourceConfig.csvExtracts
+    this.transformFunction = resourceConfig.transformerFunctionName
+      ? getFunction(env, resourceConfig.transformerFunctionName)
+      : null
     callback(null)
   }
 
@@ -22,6 +26,7 @@ class ExportingCsvDeltaFile {
         since: event.lastExportDate,
         outputFilepath: event.outputFilepath,
         actionAliases: this.actionAliases,
+        transformFunction: this.transformFunction,
         createdColumnName: this.createdColumnName,
         modifiedColumnName: this.modifiedColumnName,
         csvExtracts: this.csvExtracts