From 2f92f5a880b89cad0cf35344d47857d1c7f8f77a Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Mon, 28 Oct 2024 17:21:00 +0100
Subject: [PATCH] Less datum code modifications

---
 index.js | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/index.js b/index.js
index ba1c6c7..49625ea 100644
--- a/index.js
+++ b/index.js
@@ -106,7 +106,7 @@ function setPropertiesFromWkt(wkt) {
     if (wkt.datumCode.slice(0, 2) === 'd_') {
       wkt.datumCode = wkt.datumCode.slice(2);
     }
-    if (wkt.datumCode === 'new_zealand_geodetic_datum_1949' || wkt.datumCode === 'new_zealand_1949') {
+    if (wkt.datumCode === 'new_zealand_1949') {
       wkt.datumCode = 'nzgd49';
     }
     if (wkt.datumCode === 'wgs_1984' || wkt.datumCode === 'world_geodetic_system_1984') {
@@ -115,15 +115,12 @@ function setPropertiesFromWkt(wkt) {
       }
       wkt.datumCode = 'wgs84';
     }
-    if (wkt.datumCode.slice(-6) === '_ferro') {
-      wkt.datumCode = wkt.datumCode.slice(0, - 6);
-    }
-    if (wkt.datumCode.slice(-8) === '_jakarta') {
-      wkt.datumCode = wkt.datumCode.slice(0, - 8);
-    }
-    if (~wkt.datumCode.indexOf('belge')) {
+    if (wkt.datumCode === 'belge_1972') {
       wkt.datumCode = 'rnb72';
     }
+    if (wkt.datumCode === 'osgb_1936') {
+      wkt.datumCode = 'osgb36';
+    }
     if (geogcs.DATUM && geogcs.DATUM.SPHEROID) {
       wkt.ellps = geogcs.DATUM.SPHEROID.name.replace('_19', '').replace(/[Cc]larke\_18/, 'clrk');
       if (wkt.ellps.toLowerCase().slice(0, 13) === 'international') {