Jaspers Massive Market Data (Polygon.io): Market data plugin wrapping the Polygon.io/Massive REST API: bars, snapshots, options, news, financials, indicators, and four chart/watchlist views.
| 1 | import { useBridge, useData, usePublish, type PanelRef } from '@jaspers-ai/sdk' |
| 2 | import './styles.css' |
| 3 | |
| 4 | interface Article { |
| 5 | id: string |
| 6 | published: string | null |
| 7 | title: string | null |
| 8 | publisher: string | null |
| 9 | author: string | null |
| 10 | url: string | null |
| 11 | summary: string | null |
| 12 | tickers: string | null |
| 13 | insights: string | null |
| 14 | sentiment: string | null |
| 15 | sentiment_ticker: string | null |
| 16 | sentiment_reasoning: string | null |
| 17 | [field: string]: unknown |
| 18 | } |
| 19 | |
| 20 | interface State { |
| 21 | tickers?: string[] |
| 22 | limit?: number |
| 23 | } |
| 24 | |
| 25 | const when = (s: string | null) => (s ? new Date(s).toLocaleString(undefined, { dateStyle: 'medium', timeStyle: 'short' }) : '') |
| 26 | const tone = (s: string | null) => (s === 'positive' ? 'mv-up' : s === 'negative' ? 'mv-down' : '') |
| 27 | |
| 28 | export function NewsView({ panel }: { panel: PanelRef }) { |
| 29 | const state = useData(`workspaces/${panel.workspaceId}/panels/${panel.id}/state`) as State | undefined |
| 30 | if (state === undefined) return <p className="mv-note">Loading…</p> |
| 31 | const tickers = (state.tickers ?? ['AAPL']).map((t) => t.trim().toUpperCase()).filter(Boolean) |
| 32 | return <List panel={panel} tickers={tickers} limit={state.limit ?? 50} /> |
| 33 | } |
| 34 | |
| 35 | function List({ panel, tickers, limit }: { panel: PanelRef; tickers: string[]; limit: number }) { |
| 36 | const bridge = useBridge() |
| 37 | const { data, error, loading, refetch } = useData('massive/news', { tickers, limit }) |
| 38 | const rows = (data ?? []) as Article[] |
| 39 | usePublish(panel, { tickers, count: rows.length, latest: rows[0]?.title ?? null, error: error ?? null }) |
| 40 | |
| 41 | return ( |
| 42 | <div className="mv-wrap"> |
| 43 | <div className="mv-bar"> |
| 44 | <span className="mv-title">News · {tickers.join(', ') || 'all'}</span> |
| 45 | <button className="mv-button" onClick={() => refetch()} disabled={loading}> |
| 46 | {loading ? 'Loading…' : 'Refresh'} |
| 47 | </button> |
| 48 | </div> |
| 49 | {error ? <p className="mv-note mv-error">{error}</p> : null} |
| 50 | {!data && !error ? <p className="mv-note">Loading…</p> : null} |
| 51 | {data && !rows.length ? <p className="mv-note">No articles.</p> : null} |
| 52 | <ul className="mv-news"> |
| 53 | {rows.map((a) => ( |
| 54 | <li key={a.id ?? a.url ?? a.title}> |
| 55 | <a |
| 56 | className="mv-headline" |
| 57 | href={a.url ?? undefined} |
| 58 | onClick={(e) => { |
| 59 | e.preventDefault() |
| 60 | if (a.url) bridge.openLink(a.url) |
| 61 | }} |
| 62 | > |
| 63 | {a.title} |
| 64 | </a> |
| 65 | <div className="mv-meta"> |
| 66 | {[a.publisher, a.author, when(a.published)].filter(Boolean).join(' · ')} |
| 67 | {a.tickers ? ` · ${a.tickers}` : ''} |
| 68 | </div> |
| 69 | {a.summary ? <p className="mv-summary">{a.summary}</p> : null} |
| 70 | {a.sentiment ? ( |
| 71 | <div> |
| 72 | <span className={`mv-tag ${tone(a.sentiment)}`}> |
| 73 | {a.sentiment_ticker}: {a.sentiment} |
| 74 | </span> |
| 75 | {a.sentiment_reasoning ? <span className="mv-meta"> {a.sentiment_reasoning}</span> : null} |
| 76 | </div> |
| 77 | ) : null} |
| 78 | </li> |
| 79 | ))} |
| 80 | </ul> |
| 81 | </div> |
| 82 | ) |
| 83 | } |