Solid · Partial values

Listening to one path (`select`)

A listener added with select(path).on is called immediately, then only when the value at that path changes. In the example card arrives complete in the first chunk: its listener is called for that chunk and not again while answer grows.

Schema

z.object({
  card: z.object({ kind: z.string(), title: z.string() }),
  answer: z.string(),
  sources: z.array(z.string()),
})

Listeners

for (const part of ['card', 'answer', 'sources'])
  stream.select(part).on(() => calls.push(part))

Stream, chunk by chunk

Reply so far

{"card":{"kind":"answer","title":"Your seats"},

Listeners called for this chunk

['card']

Output matches the expected value

Runs in this page on the installed package. The input and the expected output are defined by the example.

Listening to one path (select)

Listening to one path (`select`)