hlship
I can see that it’s a callback from Phoenix.Endpoint, but I’ve gotten a bit lost in macro expansion.
A view will alias Routes to .Router.Helpers, which AFAIK is generated on the fly by macro expansion in Phoenix.Router, and it looks like it involves Phoenix.Router.Helpers.
I really like to know how all the dots are connected, and this one is escaping me.
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crispinb
I’m sure someone who actually knows something will illuminate, but in the meantime if you want to dig further yourself here are some notes I jotted down (before persuading myself that I really must gen up on elixir macros before going backwards through the framework even more ..)
The meat seems to be in Phoenix.Router.Helpers
definephoenix/lib/phoenix/router/helpers.ex at v1.5.11 · phoenixframework/phoenix · GitHubThis gets to the project via the
__before_compile__macro inPhoenix.Routerwhich is used in the main web module.It’s a bit circuitous & at my level of elixir knowledge I find it kind of hard to trace (or at least to grok what I find)
qhwa
@crispinb is right. Just to add to the answer, here’s the relationship among the modules:
In case you’re not familiar with
@before_compile, you can check out the official documentation: