refactor: pull out gatherAuditFunctions

lib/components/services/audit/index.js

@@ -15,13 +15,7 @@ class AuditService {
     this.auditLog = options.bootedServices.storage.models.tymly_rewind
 
     const pgScripts = options.blueprintComponents.pgScripts || {}
-    const auditFunctions = Object.keys(pgScripts)
-      .map(script => path.parse(pgScripts[script].filename).name)
-      .filter(filename => filename.split('-')[0] === 'audit')
-      .map(filename => {
-        debug(`Found audit function: ${filename.substring(filename.indexOf('-') + 1)}`)
-        return filename.substring(filename.indexOf('-') + 1)
-      })
+    const auditFunctions = gatherAuditFunctions(pgScripts)
     const schemaNames = options.bootedServices.storage.schemaNames
 
     await this.updateTriggers(auditFunctions, schemaNames, options.messages)
@@ -103,6 +97,16 @@ class AuditService {
   } // formatLogs
 } // AuditService
 
+function gatherAuditFunctions (pgScripts) {
+  return Object.keys(pgScripts)
+    .map(script => path.parse(pgScripts[script].filename).name)
+    .filter(filename => filename.split('-')[0] === 'audit')
+    .map(filename => {
+        debug(`Found audit function: ${filename.substring(filename.indexOf('-') + 1)}`)
+        return filename.substring(filename.indexOf('-') + 1)
+    })
+} // gatherAuditFunctions
+
 function formatLog (log, model, additionalFields) {
   const diffs = formatDiffs(log.diff, model)
   const when = formatDate(log.modified)