[bardrop]

Fixes #583

keyGet2 split key1 and key2 on / and returned the segment of key1 at the same index as :pathVar in key2. So:

• /* that spans more than one segment shifted the index: keyGet2('/orgs/acme/teams/t1/docs/42', '/orgs/*/docs/:id', 'id') gave t1.
• :pathVar inside a segment never matched (keyMatch2 only expands /:): keyGet2('/files/report-7', '/files/report-:id', 'id') gave "".

Now keyGet2 builds the regex the same way Go Casbin's util.KeyGet2 does (/* → /.*, :name → ([^/]+)) and returns the capture group of :pathVar. A bare * pattern still gives "" and does not throw.

Testing

• New cases in test/util.test.ts fail before (Expected "42", Received "t1") and pass after.
• Ran 22 inputs (the old tests, the issue cases, repeated / partial / multiple tokens, *) through Go Casbin v2.135.0 util.KeyGet2: the new code gives the same result for all 22, the old code differed on 4.
• jest (17 suites, 239 passed), eslint . --ext .js,.ts, prettier, npm run build clean.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
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Additional details and impacted files

@@            Coverage Diff            @@
##             master     #584   +/-   ##
=========================================
  Coverage          ?   71.40%           
=========================================
  Files             ?       34           
  Lines             ?     2207           
  Branches          ?      518           
=========================================
  Hits              ?     1576           
  Misses            ?      380           
  Partials          ?      251           

Flag	Coverage Δ
node-^20	71.40% <100.00%> (?)
node-^22	71.40% <100.00%> (?)

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