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Using Express@5 causes error with fast_slash #70

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Using Express@5 causes error with fast_slash#70

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@halfstack-dev
halfstack-dev
opened on Mar 14, 2025

Using this library in it's most basic form with express@5 causes the follwing error to be thrown:

TypeError: Cannot read properties of undefined (reading 'fast_slash')
at split (@wesleytodd/openapi/lib/generate-doc.js:127:20)

package version: 1.1.0
express version: 5.0.1

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  1. halfstack-dev commented on Mar 14, 2025

    @halfstack-dev
    halfstack-dev
    on Mar 14, 2025
    Author

    Just saw it mentioned here as well:

    #64 (comment)

    And @... unfortunately changes to path-to-regexp broke this lib in both express@>=4.20.0 and express@5. I am going to be working on fixes for that soon.

  2. enov commented on Aug 27, 2025

    @enov
    enov
    on Aug 27, 2025
    Collaborator

    There is some work happening to expose a new router.getRoutes() API in pillarjs/router
    It would simplify or allow us to get rid of iterateStack in generate-doc.js. That would be in addition to getting rid of the functions split and processComplexMatch as Express 5 does not support regex routes.

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