cache sort name function

data/config.cemetery.ssm.js

@@ -1,3 +1,4 @@
+import NodeCache from 'node-cache';
 import { config as cemeteryConfig } from './config.cemetery.ontario.js';
 export const config = Object.assign({}, cemeteryConfig);
 config.aliases.occupancyStartDate = 'Purchase Date';
@@ -7,7 +8,13 @@ config.settings.lot.lotNamePattern =
 config.settings.lot.lotNameHelpText = `Two digit cemetery-Block-Range-Lot-Grave, Interment number\n
     ex. XX-BA-R41-L15-G3A, Interment 1`;
 const numericPadding = '00000';
+const lotNameSortNameCache = new NodeCache({
+    stdTTL: 5 * 60,
+    useClones: false
+});
 export function lotNameSortNameFunction(lotName) {
+    let sortName = lotNameSortNameCache.get(lotName) ?? '';
+    if (sortName === '') {
         try {
             const lotNameSplit = lotName.toUpperCase().split('-');
             const cleanLotNamePieces = [];
@@ -32,11 +39,14 @@ export function lotNameSortNameFunction(lotName) {
                     numericPiece.slice(-1 * numericPadding.length) +
                     letterPiece);
             }
-        return cleanLotNamePieces.join('-');
+            sortName = cleanLotNamePieces.join('-');
         }
         catch {
-        return lotName;
+            sortName = lotName;
         }
+        lotNameSortNameCache.set(lotName, sortName);
+    }
+    return sortName;
 }
 config.settings.lot.lotNameSortNameFunction = lotNameSortNameFunction;
 config.settings.lotOccupancy.occupantCityDefault = 'Sault Ste. Marie';

data/config.cemetery.ssm.ts

@@ -1,3 +1,5 @@
+import NodeCache from 'node-cache'
+
 import { config as cemeteryConfig } from './config.cemetery.ontario.js'
 
 export const config = Object.assign({}, cemeteryConfig)
@@ -13,7 +15,15 @@ config.settings.lot.lotNameHelpText = `Two digit cemetery-Block-Range-Lot-Grave,
 
 const numericPadding = '00000'
 
+const lotNameSortNameCache = new NodeCache({
+  stdTTL: 5 * 60,
+  useClones: false
+})
+
 export function lotNameSortNameFunction(lotName: string): string {
+  let sortName: string = lotNameSortNameCache.get(lotName) ?? ''
+
+  if (sortName === '') {
     try {
       const lotNameSplit = lotName.toUpperCase().split('-')
 
@@ -46,10 +56,15 @@ export function lotNameSortNameFunction(lotName: string): string {
         )
       }
 
-    return cleanLotNamePieces.join('-')
+      sortName = cleanLotNamePieces.join('-')
     } catch {
-    return lotName
+      sortName = lotName
     }
+
+    lotNameSortNameCache.set(lotName, sortName)
+  }
+
+  return sortName
 }
 
 config.settings.lot.lotNameSortNameFunction = lotNameSortNameFunction