Add support for repeatable directives

Describe the bug symbols not defined in the correct order, seem to say they’re not defined.

ie;

interface Node @source(...) { }

directive @source(...) repeatable on ENUM | OBJECT | INTERFACE | UNION | INPUT_OBJECT | FIELD_DEFINITION | INPUT_FIELD_DEFINITION | ARGUMENT_DEFINITION | ENUM_VALUE

Doesn’t like that source isn’t defined—and yet it is.

Which leads me into a second issue;

It doesn’t like the repeatable keyword used.

To Reproduce

1. make the above your schema
2. look at errors

Expected behavior Be happy

Version and Environment Details Operation system: Windows10 IDE name and version: WebStorm 2020.1.3 Plugin version: 2.5.0

Additional context

Seems to not like anything defined after it had been used

[vepanimas]

@lorado hi, I remember about it and plan to implement it during this month.

[vepanimas]

@stayallive @maraisr actually I’m working on it right now. I’m preparing a v3 update in a separate branch https://github.com/jimkyndemeyer/js-graphql-intellij-plugin/tree/v3, where the process of working with a schema is completely reworked, which will help resolve a lot of issues, especially in scenarios when the schema is split between different files. Also, I’m implementing all the missing parts in the spec: descriptions for schema definitions, extend schema definitions and repeatable directives. We plan to start testing it this week and release ASAP.