fix: incorrect polyline decoding (#993)

* fix: incorrect polyline decoding
Don't split static image encoded path on pipe or comma

Signed-off-by: boldtrn <boldtrn@gmail.com>

* fix: still allow other parameters other than enc:
That way we can still style individual paths

Signed-off-by: boldtrn <boldtrn@gmail.com>

* chore: lint

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>

* chore: lint + comment

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>

* docs: try to clarify path information

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>

* fix: stroke color not working unless path is specified

i found this issue testing encoded paths. If width is not specifed, stroke color does not work

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>

* docs: show different options

Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>

---------

Signed-off-by: boldtrn <boldtrn@gmail.com>
Signed-off-by: Andrew Calcutt <acalcutt@techidiots.net>
Co-authored-by: Andrew Calcutt <acalcutt@techidiots.net>

test/static.js

@@ -171,6 +171,18 @@ describe('Static endpoints', function () {
           '?path=-10,-10|-20,-20',
         );
       });
+
+      describe('encoded path', function () {
+        testStatic(
+          prefix,
+          'auto/20x20',
+          'png',
+          200,
+          2,
+          /image\/png/,
+          '?path=' + decodeURIComponent('enc:{{biGwvyGoUi@s_A|{@'),
+        );
+      });
     });
 
     describe('invalid requests return 4xx', function () {