How to write a plugin to filter a resolution?

[mhelvens]

I need to write a resolver plugin that runs at the last moment (after a reference was resolved to an existing file). Based on some condition (to do with the relative positions of request.path and request.context.issuer), should then either error out or let that resolution pass through normally.

But I can't figure out where to hook into the pipeline. From what I can tell, if I do resolver.plugin('existing-file'), the plugin never runs, even though the callback stack tells me it did go through that phase. After reading through the code, I found out I could prepend after- to any phase, but after-existing-file never runs either. Some help would be appreciated.

[alexander-akait]

Sorry for delay, close in favor #119 (comment)