parse code from Proj.4 string in any sort order

DanielJDufour · Jun 30, 2023 · 006c86f · 006c86f
1 parent a3dd476
commit 006c86f
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/src/getCodeFromProjString.js b/src/getCodeFromProjString.js
@@ -1,6 +1,5 @@
 function getCodeFromProjString(proj) {
-  if (proj.startsWith("+proj=utm") && proj.includes("+zone=")) {
-    // replace any accidental double spaces
+  if (proj.includes("+proj=utm") && proj.includes("+zone=")) {
     const parts = proj.split(" ");
     const zone = parts.find(part => part.startsWith("+zone=")).split("=")[1];
     const south = proj.includes("+south");

diff --git a/test.js b/test.js
@@ -31,6 +31,9 @@ test("getCodeFromProjString", ({ eq }) => {
   eq(getCodeFromProjString("+proj=utm +zone=17 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"), 32617);
   eq(getCodeFromProjString("+proj=utm +zone=18 +south +ellps=WGS84 +datum=WGS84 +units=m +no_defs"), 32718);
   eq(getCodeFromProjString("+proj=utm +zone=18 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"), 32618);
+  eq(getCodeFromProjString("+proj=utm +zone=17 +datum=WGS84 +units=m +no_defs"), 32617);
+  eq(getCodeFromProjString("+proj=utm +zone=17 +datum=WGS84 +units=m"), 32617);
+  eq(getCodeFromProjString("+datum=WGS84 +proj=utm +units=m +zone=17"), 32617);
 });
 
 test("isUTM", ({ eq }) => {