[Idea] Provide utility widgets to help in hand-rolling JSON

[flibbles]

If this project is still being maintained, it might help adoption if there was some way to aid people when they're hand-rolling their json to send to echarts.

Something like this:

\widget $json.text(text) "<$text text={{{ [<text>jsonstringify[]] }}} />"
\widget $json.object(filter, variable:currentTiddler) {<$list variable=<<variable>> filter=<<filter>> join=,><$json.text text={{{ [<variable>getvariable[]] }}} />: <$slot $name=ts-raw /></$list>}
\widget $json.array(filter, variable:currentTiddler) [<$list variable=<<variable>> filter=<<filter>> join=,><$slot $name=ts-raw><$json.text text={{{ [<variable>getvariable[]] }}} /></$slot></$list>]

Could greatly simplify some of it. Though it does mean using at least Tiddlywiki v5.3.0.

You'd use it like this:

<$json.object variable=x filter="[range[10]]">
	<$json.array filter="[range<x>]" />
</$json.object>

Thoughts? Is this plugin being maintained at all?