From f5c2124a7fac1953225d6552965a53e63b83a886 Mon Sep 17 00:00:00 2001
From: DanielJDufour <daniel.j.dufour@gmail.com>
Date: Wed, 1 Sep 2021 17:03:22 -0400
Subject: [PATCH] fixed #7, not working in Safari

---
 BUILDS.md            | 16 ++++++++--------
 create-build-list.sh |  2 +-
 package.json         |  2 ++
 src/index.js         |  4 ++--
 test/test.html       | 26 ++++++++++++++++++++++++++
 5 files changed, 39 insertions(+), 11 deletions(-)
 create mode 100644 test/test.html

diff --git a/BUILDS.md b/BUILDS.md
index a135e58..ebb9dcc 100644
--- a/BUILDS.md
+++ b/BUILDS.md
@@ -1,11 +1,11 @@
 # Builds
 | name | file size |
 | ---- | --------- |
-| get-epsg-code-all.node.min.js | 64K |
-| get-epsg-code-all.web.min.js | 64K |
-| get-epsg-code-excluding-gml-mapfile-mapnik-proj4-xml.node.min.js | 40K |
-| get-epsg-code-excluding-gml-mapfile-mapnik-proj4-xml.web.min.js | 40K |
-| get-epsg-code-excluding-mapfile-mapnik-proj4.node.min.js | 40K |
-| get-epsg-code-excluding-mapfile-mapnik-proj4.web.min.js | 40K |
-| get-epsg-code-excluding-mapfile.node.min.js | 52K |
-| get-epsg-code-excluding-mapfile.web.min.js | 52K |
+| get-epsg-code-all.node.min.js | 61K |
+| get-epsg-code-all.web.min.js | 63K |
+| get-epsg-code-excluding-gml-mapfile-mapnik-proj4-xml.node.min.js | 37K |
+| get-epsg-code-excluding-gml-mapfile-mapnik-proj4-xml.web.min.js | 39K |
+| get-epsg-code-excluding-mapfile-mapnik-proj4.node.min.js | 37K |
+| get-epsg-code-excluding-mapfile-mapnik-proj4.web.min.js | 39K |
+| get-epsg-code-excluding-mapfile.node.min.js | 49K |
+| get-epsg-code-excluding-mapfile.web.min.js | 51K |
diff --git a/create-build-list.sh b/create-build-list.sh
index 00bee49..aedc7ff 100644
--- a/create-build-list.sh
+++ b/create-build-list.sh
@@ -8,4 +8,4 @@ echo '| name | file size |' >> BUILDS.md
 
 echo '| ---- | --------- |' >> BUILDS.md
 
-ls -alsh dist | grep 'get-epsg-code' |  awk 'BEGIN { OFS = " | " }{ print "| "$10,$1" |" }' | grep '.js ' >> BUILDS.md
+ls -alsh dist | grep 'get-epsg-code' |  awk 'BEGIN { OFS = " | " }{ print "| "$10,$6" |" }' | grep '.js ' >> BUILDS.md
diff --git a/package.json b/package.json
index 36a1582..66400ab 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "build": "npm run build:node && npm run build:web",
     "build:demo": "npm run build:web && cp dist/get-epsg-code-all.web.min.js demo/.",
     "build:web": "webpack --mode production --target web",
+    "build:web:dev": "webpack --mode development --target web",
     "build:node": "webpack --mode production --target node",
     "build:everything": "if [ -d dist ]; then rm -Rf dist; fi && HASHED_FIELDS='' EXCLUDED_FORMATS='' npm run build && HASHED_FIELDS='esriwkt' EXCLUDED_FORMATS='' npm run build && HASHED_FIELDS='esriwkt,proj4' EXCLUDED_FORMATS='' npm run build && EXCLUDED_FORMATS='gml,xml' HASHED_FIELDS='esriwkt' npm run build && npm run create-build-list",
     "build:everything:node": "if [ -d dist ]; then rm -Rf dist; fi &&  HASHED_FIELDS='' EXCLUDED_FORMATS='' npm run build:node && HASHED_FIELDS='' EXCLUDED_FORMATS='' npm run build:node && HASHED_FIELDS='esriwkt' EXCLUDED_FORMATS='' npm run build:node && HASHED_FIELDS='esriwkt,proj4' EXCLUDED_FORMATS='' npm run build:node && EXCLUDED_FORMATS='gml,xml' HASHED_FIELDS='esriwkt' npm run build:node",
@@ -24,6 +25,7 @@
     "download-csv": "wget https://s3.amazonaws.com/crs.csv/crs.csv.zip && unzip crs.csv.zip",
     "setup": "cd test/data && bash setup.sh",
     "test": "npm run build:node && TEST_BUNDLE='get-epsg-code-all.node.min.js' node ./test/test.js",
+    "test:html": "npm run build:web:dev && http-server",
     "test:quick": "TEST_BUNDLE=$TEST_BUNDLE node ./test/test.js",
     "test:everything:node": "set -e; npm run build:everything:node && TEST_BUNDLES=\"$(ls ./dist | grep node.min.js$)\"; for TEST_BUNDLE in $TEST_BUNDLES; do echo \"TEST_BUNDLE: $TEST_BUNDLE\" && TEST_BUNDLE=$TEST_BUNDLE npm run test:quick; done",
     "update-docs": "npm run test && npm run build:everything && npm run create-build-list"
diff --git a/src/index.js b/src/index.js
index 3a1953a..906f8f8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -153,9 +153,9 @@ function getEPSGCode(input, options) {
     return Number(input.match(/^\d{1,6}/)[0]);
   } else if (dataType === MAPFILE) {
     if (input.includes('init=epsg:')) {
-      return Number.parseInt(/(?<="init\=epsg:)(\d{1,10})(?=")/.exec(input)[0]);
+      return Number.parseInt(/("init\=epsg:)(\d{1,10})(")/.exec(input)[2]);
     } else if (input.includes('"proj=utm"')) {
-      const zone = /(?<="zone\=)(\d{1,2})(?=")/.exec(input)[0];
+      const zone = /("zone\=)(\d{1,2})(")/.exec(input)[2];
       const hemisphere = input.includes('"south"') ? '7' : '6';
       return Number.parseInt('32' + hemisphere + zone);
     } else {
diff --git a/test/test.html b/test/test.html
new file mode 100644
index 0000000..4de4c86
--- /dev/null
+++ b/test/test.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <script src="https://unpkg.com/flug"></script>
+    <script src="/dist/get-epsg-code-all.web.js"></script>
+    <script>
+      test("Web Mercator", ({ eq }) => {
+        const text = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs";
+        const epsgCode = getEPSGCode(text, { debug: true });
+        eq(epsgCode, 3857);
+      });
+
+      test("UTM", ({ eq }) => {
+        const text = `PROJECTION "proj=utm" "zone=17" "datum=WGS84" "units=m" "no_defs" END`;
+        const epsgCode = getEPSGCode(text, { debug: true });
+        eq(epsgCode, 32617);
+      });
+
+      test("init:epsg", ({ eq }) => {
+        const text = `PROJECTION\n   "init=epsg:26915"\nEND`;
+        const epsgCode = getEPSGCode(text, { debug: true });
+        eq(epsgCode, 26915);
+      });
+    </script>
+  </head>
+</html>
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