Support type / interface fields in typescript

[pokey]

The problem

For example in the following code:

interface Foo {
   bar: Bar;
   baz: Baz;
}

If your cursor was before bar, then "take field" would select bar: Bar

Approach

Look for the property_signature node type

A couple options:

• Introduce a new term "prop". We may also want it to select property accesses (eg foo.bar), and class property definitions
• Modify "state" to target this scope type. I guess technically these aren't considered statements, but that seems a bit subtle to me
• Modify "item" to target this scope type

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First raised in #24 by @brxck

[AndreasArvidsson]

I think this is fixed

[pokey]

Really? I don't see a field scope type. What am I missing?

[AndreasArvidsson]

Why use a new scope and not just item?

[pokey]

Oh does that work?

[pokey]

Also, I'm not sure "item" is what I'd use for that. I could see reusing an existing scope type, but I think I'd lean towards "statement", because although technically not a statement, it sure looks and feels a lot like one

For me, "item" is something in a comma-separated list