Jaspers FMP: News & Technicals: Connects Financial Modeling Prep's MCP server to show company news and technical indicators, with Form 13F as a source only.
| 1 | import { useEffect, useState, type ReactElement, type ReactNode } from 'react' |
| 2 | import { useData, usePublish, type PanelRef } from '@jaspers-ai/sdk' |
| 3 | |
| 4 | // What the two views share: the bar with the symbol field, a section that shows its run's state |
| 5 | // before its rows, and the gate that waits for the panel's state to arrive. |
| 6 | |
| 7 | /** The panel's state, a round trip after the frame mounts; nothing to draw until it is here. */ |
| 8 | export function useInitialState(panel: PanelRef): unknown { |
| 9 | return useData(`workspaces/${panel.workspaceId}/panels/${panel.id}/state`) |
| 10 | } |
| 11 | |
| 12 | export function Loading(): ReactElement { |
| 13 | return ( |
| 14 | <div className="fm-root"> |
| 15 | <div className="fm-bar"> |
| 16 | <span className="fm-muted">Loading…</span> |
| 17 | </div> |
| 18 | </div> |
| 19 | ) |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * The symbol field: typing and Enter write the panel's state, and a state the orchestrator sets shows |
| 24 | * here. Enter is read off the key, not a form: the view's frame is sandboxed without allow-forms, so a |
| 25 | * form never submits. |
| 26 | */ |
| 27 | export function SymbolField({ symbol, onSymbol }: { symbol: string; onSymbol: (symbol: string) => void }): ReactElement { |
| 28 | const [draft, setDraft] = useState(symbol) |
| 29 | useEffect(() => setDraft(symbol), [symbol]) |
| 30 | return ( |
| 31 | <input |
| 32 | className="fm-input fm-input-symbol" |
| 33 | name="symbol" |
| 34 | value={draft} |
| 35 | placeholder="Symbol" |
| 36 | spellCheck={false} |
| 37 | onChange={(event) => setDraft(event.target.value)} |
| 38 | onKeyDown={(event) => { |
| 39 | if (event.key !== 'Enter' || event.nativeEvent.isComposing) return |
| 40 | event.preventDefault() |
| 41 | onSymbol(draft.trim().toUpperCase()) |
| 42 | }} |
| 43 | /> |
| 44 | ) |
| 45 | } |
| 46 | |
| 47 | /** A view with no symbol yet says so, and publishes that it shows nothing. */ |
| 48 | export function NoSymbol({ panel, output }: { panel: PanelRef; output: Record<string, unknown> }): ReactElement { |
| 49 | usePublish(panel, output) |
| 50 | return <p className="fm-empty">Enter a symbol.</p> |
| 51 | } |
| 52 | |
| 53 | interface RunState { |
| 54 | loading: boolean |
| 55 | error: string | null |
| 56 | } |
| 57 | |
| 58 | /** A titled block: its run's error (FMP's own words, plan refusals included) or loading line first, then its rows. */ |
| 59 | export function Section({ title, run, empty, children }: { title: string; run: RunState; empty?: boolean; children?: ReactNode }): ReactElement { |
| 60 | return ( |
| 61 | <section className="fm-section"> |
| 62 | <h2 className="fm-h"> |
| 63 | {title} |
| 64 | {run.loading && <span className="fm-muted fm-loading">loading…</span>} |
| 65 | </h2> |
| 66 | {run.error ? <p className="fm-error">{cleanError(run.error)}</p> : empty && !run.loading ? <p className="fm-muted">Nothing returned.</p> : children} |
| 67 | </section> |
| 68 | ) |
| 69 | } |
| 70 | |
| 71 | /** The message as the server or main wrote it, without the wrapping the IPC adds. */ |
| 72 | export function cleanError(message: string): string { |
| 73 | return message.replace(/^Error invoking remote method '[^']*': (?:Error: )?/, '') |
| 74 | } |
| 75 | |
| 76 | /** The rows a run gave, or none while it has not. */ |
| 77 | export function rowsOf(run: { data: Record<string, unknown>[] | undefined }): Record<string, unknown>[] { |
| 78 | return run.data ?? [] |
| 79 | } |