fix: combining 'end' and 'strict'

[skirtles-code]

This Playground illustrates the problem:

• Playground

The bottom row is the one that isn't working correctly. This combination of options:

{
  path: '/user/',
  strict: true,
  end: false,
  component: ...
}

should match the location path /user/1, but it doesn't.

The reason why is the RegExp is checking for the / twice:

^/user/(?:/|$)

---

While I've added a lot of extra testing for end: false, only two of those assertions would have failed with the previous code. Specifically, this one on line 666:

matchParams('/home/', '/home/other', {}, options)

and this one on line 673:

matchParams('/home/:p/', '/home/a/b', { p: 'a' }, options)

In both cases they would previously have failed to resolve the route.

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.01%. Comparing base (13303bd) to head (efc026e).
Report is 119 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2154      +/-   ##
==========================================
+ Coverage   90.90%   91.01%   +0.11%     
==========================================
  Files          24       24              
  Lines        1121     1135      +14     
  Branches      347      351       +4     
==========================================
+ Hits         1019     1033      +14     
  Misses         63       63              
  Partials       39       39              

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[posva]

I'm still trying to figure out this one. I have never been a fan of the end option. I may not have included enough tests on how this should work. I will have to check them again