Indexing an array

[ZipZamZappem]

I want this:
[
{
"index": 0,
"name": "a",
"state": "up"
},
{
"index": 1,
"name": "b",
"state": "down"
},
{
"index": 2,
"name": "c",
"state": "up"
}
]

From this:
{
"people": [
{
"name": "a",
"state": {"name": "up"}
},
{
"name": "b",
"state": {"name": "down"}
},
{
"name": "c",
"state": {"name": "up"}
}
]
}

But there is no '@.index' to allow this to work:
people[].{"index":@.index,"name":name, "state":state.name}

I realize this is not strictly a query function but AFAIK the items in a JSON list are ordered so it would not be arbitrary to associate a fixed index to each item.

Is there already a way to get this information?

[jdevillard]

Hello,

this is not in the original specification but would be usefull.
@.index could not be an option because we can't have an index property in the JSON Source.

We will check what keyword we can add for this.

[ZipZamZappem]

2 random thoughts: 'ndx' or 'pos'
longshot: 'indice'

[ZipZamZappem]

A colleague suggested: 'offset'

[springcomp]

Thanks for the feedback.
I would first try an steer the official specification to include this before integrating non-official extensions.

[ZipZamZappem]

How does one go about proposing changes to the official specification?

[springcomp]

I think you must head over to the official site and write a pull request to the spec.
Similar to this one.