Fork Horse repository, listed by its owner. Publisher snapshot.
packages/forkhorse-dashboard/src/fork-graph.tsx
Snapshot at 34e3175
1import { relativeTime } from "./time.ts";
2import { UsageFigures } from "./usage.tsx";
3import { laneUsage, totalTokens, tokenNumber, usageTooltip, usageValues } from "./usage.ts";
4import { useEffect, useId, useRef, useState } from "react";
5import { Button, LayerCard, Tooltip } from "@cloudflare/kumo";
6import type { Brand, ProjectState } from "./contracts.ts";
7import { LaneLine, LaneMarker, Saddlecloth, silkStyle } from "./lane.tsx";
8import {
9 clockTime,
10 collisionLink,
11 foldMarks,
12 forkGraph,
13 timestamp,
14 type ForkLane,
15 mainShaLabels,
16 tableEvents,
17 type WindowChoice,
18} from "./fork-graph-model.ts";
19
20const eventText = (events: ForkLane["events"]) =>
21 events.map((e) => `${clockTime(e.at)} ${e.label}`).join(" · ");
22function EventCell({
23 lane,
24 kinds,
25 open,
26 empty = "—",
27}: {
28 lane: ForkLane;
29 kinds: string[];
30 open: boolean;
31 empty?: string;
32}) {
33 const { shown, earlier } = tableEvents(lane.events, kinds);
34 return (
35 <>
36 <span className="fork-cell-visible" aria-hidden="true">
37 {shown
38 .map(
39 (e) =>
40 `${clockTime(e.at)}${e.kind === "passed" || e.kind === "failed" || e.kind === "interrupted" ? ` ${e.label.split(" · ")[0].replace(/^checks /, "")}` : ""}`,
41 )
42 .join(" · ") || empty}
43 </span>
44 <span className="sr-only">{eventText(shown) || empty}</span>
45 {earlier.length > 0 && (
46 <Tooltip
47 content={eventText(earlier)}
48 render={
49 <span
50 className="fork-earlier-events"
51 tabIndex={open ? 0 : -1}
52 aria-label={`${earlier.length} earlier events: ${eventText(earlier)}`}
53 />
54 }
55 >
56 {" "}
57 · +{earlier.length} earlier
58 </Tooltip>
59 )}
60 </>
61 );
62}
63// State-owned hiding ships with the shared component in both bundles, even with stale host CSS.
64const collapsedTableStyle = {
65 position: "absolute",
66 width: 1,
67 height: 1,
68 padding: 0,
69 margin: -1,
70 overflow: "hidden",
71 clipPath: "inset(50%)",
72 whiteSpace: "nowrap",
73} as const;
74const storageKey = (project: string) => `fork-table:${project}`;
75function defaultTable(project: string) {
76 try {
77 const saved = localStorage.getItem(storageKey(project));
78 if (saved !== null) return saved === "open";
79 } catch {
80 /* Host storage can be unavailable. */
81 }
82 return typeof window !== "undefined" && window.innerWidth < 640;
83}
84export function ForkGraph({
85 state,
86 brand,
87 owner,
88 openReview,
89 openPacket,
90 openReceipt,
91 now = Date.now(),
92}: {
93 state: ProjectState;
94 brand?: Brand;
95 owner: boolean;
96 openReview(id: string): void;
97 openPacket(id: string): void;
98 openReceipt(id: string): void;
99 now?: number;
100}) {
101 const [choice, setChoice] = useState<WindowChoice>("recent");
102 const [expanded, setExpanded] = useState(false);
103 const [tableOpen, setTableOpen] = useState(() => defaultTable(state.project.id));
104 const [phone, setPhone] = useState(
105 () => typeof window !== "undefined" && window.innerWidth < 640,
106 );
107 const effectiveOpen = phone || tableOpen;
108 useEffect(() => {
109 const resize = () => setPhone(window.innerWidth < 640);
110 window.addEventListener("resize", resize);
111 return () => window.removeEventListener("resize", resize);
112 }, []);
113 const plot = useRef<HTMLDivElement>(null);
114 const [width, setWidth] = useState(600);
115 const tableId = useId();
116 useEffect(() => {
117 const element = plot.current;
118 if (!element) return;
119 const measure = () => setWidth(element.getBoundingClientRect().width);
120 measure();
121 const observer = new ResizeObserver(measure);
122 observer.observe(element);
123 return () => observer.disconnect();
124 }, []);
125 const graph = forkGraph(state, now, choice);
126 const lanes = expanded ? graph.lanes : graph.lanes.slice(0, 8);
127 const innerWidth = Math.max(1, width - 52);
128 const percent = (at: number) =>
129 (100 *
130 (12 +
131 Math.max(0, Math.min(1, (at - graph.start) / Math.max(1, now - graph.start))) *
132 innerWidth)) /
133 Math.max(1, width);
134 const x = (at: number) =>
135 12 + Math.max(0, Math.min(1, (at - graph.start) / Math.max(1, now - graph.start))) * innerWidth;
136 const layout = lanes.map((lane, index) => ({
137 lane,
138 y:
139 80 +
140 index * 64 +
141 lanes.slice(0, index + 1).filter((l, i) => l.race && l.race !== lanes[i - 1]?.race).length *
142 30,
143 }));
144 const height = (layout.at(-1)?.y ?? 54) + 52;
145 const navigate = (lane: ForkLane) => {
146 if (owner && lane.review) openReview(lane.review.id);
147 else if (lane.race) location.hash = `race/${encodeURIComponent(lane.race)}`;
148 else openPacket(lane.packet);
149 };
150 const ticks: number[] = [];
151 const tickStep =
152 now - graph.start > 12 * 3600000
153 ? 4 * 3600000
154 : now - graph.start > 6 * 3600000
155 ? 2 * 3600000
156 : 3600000;
157 for (
158 let at = Math.ceil(graph.start / tickStep) * tickStep;
159 at < now - (20 / innerWidth) * (now - graph.start);
160 at += tickStep
161 )
162 ticks.push(at);
163 const mainMarks = foldMarks(
164 graph.ledger.map((e) => ({
165 id: e.review,
166 kind: "promoted" as const,
167 at: timestamp(e.promotedAt)!,
168 label: `${e.sha.slice(0, 7)} promoted to main`,
169 })),
170 graph.start,
171 now,
172 innerWidth,
173 );
174 const mainLabels = mainShaLabels(
175 mainMarks.map((group) => ({
176 id: group.event.id,
177 at: group.events.at(-1)!.at,
178 x: x(group.event.at),
179 })),
180 width,
181 );
182 const summary = `Fork graph: ${graph.summary}`;
183 return (
184 <LayerCard className="p-4 fork-card">
185 <div className="fork-header">
186 <div>
187 <h2>Forks</h2>
188 <p className="caption muted">{graph.summary}</p>
189 </div>
190 <p className="caption muted fork-window">
191 {clockTime(graph.start)} – now
192 <span className="sr-only">. </span>
193 <br />
194 hover a mark for its time
195 </p>
196 </div>
197 <div className="fork-chips" aria-label="Fork graph time window">
198 {(
199 [
200 ["recent", "Recent"],
201 ["four", "Last 4 h"],
202 ["today", "Today"],
203 ["day", "24 h"],
204 ] as const
205 ).map(([value, label]) => (
206 <Button
207 key={value}
208 size="sm"
209 className="fork-window-chip"
210 variant={choice === value ? "secondary" : "ghost"}
211 aria-pressed={choice === value}
212 onClick={() => setChoice(value)}
213 >
214 {label}
215 </Button>
216 ))}
217 </div>
218 <div className="fork-picture" role="group" aria-label={summary} aria-describedby={tableId}>
219 <div className="fork-labels" style={{ height }}>
220 <div className="fork-main-label">
221 <code>main</code> <span className="caption muted">canonical</span>
222 </div>
223 {layout.map(({ lane, y }, index) => (
224 <div key={lane.id}>
225 {lane.race && lane.race !== lanes[index - 1]?.race && (
226 <a
227 className="fork-race-label caption"
228 style={{ top: y - 48 }}
229 href={`#race/${encodeURIComponent(lane.race)}`}
230 >
231 Race · {lane.packet} · {graph.lanes.filter((l) => l.race === lane.race).length}{" "}
232 entrants
233 </a>
234 )}
235 <button
236 className="fork-lane-label"
237 style={{ top: y - 24, ...silkStyle(lane.identity) }}
238 title={usageValues(laneUsage(state, lane)).map((u) => `Tokens: ${tokenNumber(totalTokens(u))} · ${u.source} · as of ${relativeTime(u.at)}. ${brand ? usageTooltip(u, lane.agent, brand) : ""}`).join("; ") || "Tokens: not reported"}
239 onClick={() => navigate(lane)}
240 >
241 <Saddlecloth identity={lane.identity} />
242 <span>
243 <strong>{lane.agent}</strong>
244 <code className="caption">{lane.packet}</code>
245 <span
246 className={`fork-state caption ${
247 lane.state === "Promoted to main" || lane.state === "Approved"
248 ? "fork-state-success"
249 : lane.state === "Checks running" || lane.state === "In review"
250 ? "fork-state-info"
251 : lane.state === "Checks failed"
252 ? "fork-state-danger"
253 : lane.state === "Timed out" || lane.state === "Couldn't run"
254 ? "fork-state-warning"
255 : lane.state === "Racing" || lane.state === "In progress"
256 ? "fork-state-brand"
257 : ""
258 }`}
259 >
260 <span aria-hidden="true">●</span> {lane.state}
261 </span>
262 </span>
263 </button>
264 </div>
265 ))}
266 </div>
267 <div ref={plot} className="fork-plot" style={{ height }}>
268 <svg width="100%" height={height} aria-hidden="true">
269 {ticks.map((at) => (
270 <line
271 key={at}
272 x1={`${percent(at)}%`}
273 x2={`${percent(at)}%`}
274 y1="12"
275 y2={height - 26}
276 className="fork-grid"
277 />
278 ))}
279 <line
280 x1="12"
281 x2={Math.max(12, width - 40)}
282 y1="30"
283 y2="30"
284 className="fork-main-line"
285 />
286 <line
287 x1={Math.max(12, width - 40)}
288 x2={Math.max(12, width - 40)}
289 y1="14"
290 y2={height - 26}
291 className="fork-now-line"
292 />
293 {layout.map(({ lane, y }) => {
294 const start = x(lane.start ?? graph.start),
295 end = x(lane.end ?? now);
296 const known = lane.claimedAt !== undefined && lane.claimedAt >= graph.start;
297 const beforeWindow = lane.claimedAt !== undefined && lane.claimedAt < graph.start;
298 const leadStart = beforeWindow ? start : Math.max(12, start - 24);
299 const leadEnd = beforeWindow || start <= 12 ? Math.min(end, start + 24) : start;
300 const solidStart = !known && (beforeWindow || start <= 12) ? leadEnd : start;
301 const branchEnd = Math.min(end, solidStart + 20);
302 const mergeStart = Math.max(branchEnd, end - 28);
303 return (
304 <g key={lane.id} style={silkStyle(lane.identity)}>
305 {lane.race && (
306 <path d={`M 3 ${y - 12} L 3 ${y + 12}`} className="fork-race-bracket" />
307 )}
308 {!known && (
309 <line
310 className="fork-lead-in fork-lane-line"
311 x1={leadStart}
312 x2={leadEnd}
313 y1={y}
314 y2={y}
315 />
316 )}
317 <LaneLine
318 path={
319 known
320 ? `M ${start} 30 C ${start} ${y} ${branchEnd - 12} ${y} ${branchEnd} ${y} H ${lane.promoted ? mergeStart : end}`
321 : `M ${solidStart} ${y} H ${lane.promoted ? mergeStart : end}`
322 }
323 />
324 {lane.promoted && (
325 <LaneLine path={`M ${mergeStart} ${y} C ${end} ${y} ${end} 30 ${end} 30`} />
326 )}
327 {lane.releasedAt && (
328 <line className="fork-lane-line" x1={end} x2={end} y1={y - 5} y2={y + 5} />
329 )}
330 </g>
331 );
332 })}
333 </svg>
334 <span className="fork-now caption" style={{ left: `${percent(now)}%` }}>
335 now
336 </span>
337 {/* Reserve half of a 48px HH:mm label; the grid lines keep every tick. */}
338 {ticks
339 .filter((at) => x(at) >= 24 && x(at) <= width - 24)
340 .map((at) => (
341 <span
342 className="fork-tick caption muted"
343 key={at}
344 style={{ left: `${percent(at)}%`, top: height - 22 }}
345 >
346 {clockTime(at)}
347 </span>
348 ))}
349 {mainMarks.map((group) => {
350 const entry = graph.ledger.find((e) => e.review === group.events.at(-1)!.id)!;
351 const text = group.events.map((e) => `${clockTime(e.at)} ${e.label}`).join(" · ");
352 const hasReceipt = state.reviews.some(
353 (r) =>
354 r.id === entry.review &&
355 r.sha === entry.sha &&
356 r.receipt?.digest === entry.receiptDigest &&
357 r.receipt?.status !== "running" &&
358 !!entry.receiptDigest,
359 );
360 return (
361 <div
362 key={group.event.id}
363 className="fork-main-mark"
364 style={{ left: `${percent(group.event.at)}%`, top: 30 }}
365 >
366 <Tooltip
367 content={text}
368 render={
369 <button
370 className="fork-mark-button"
371 aria-label={text}
372 onClick={() => {
373 if (hasReceipt) openReceipt(entry.review);
374 else if (owner) openReview(entry.review);
375 }}
376 />
377 }
378 >
379 <span className="fork-commit-dot" aria-hidden="true" />
380 </Tooltip>
381 {mainLabels.has(group.event.id) && (
382 <code
383 className="caption fork-sha"
384 style={{ left: mainLabels.get(group.event.id)! - x(group.event.at) }}
385 >
386 {entry.sha.slice(0, 7)}
387 </code>
388 )}
389 </div>
390 );
391 })}
392 {layout.map(({ lane, y }) => (
393 <div key={lane.id}>
394 {(lane.claimedAt === undefined || lane.claimedAt < graph.start) && (
395 <Tooltip
396 content={
397 lane.claimedAt === undefined
398 ? "Started before the loaded history"
399 : `Started at ${clockTime(lane.claimedAt)}, before this window`
400 }
401 render={
402 <button
403 className="fork-start"
404 aria-label={
405 lane.claimedAt === undefined
406 ? "Started before the loaded history"
407 : `Started at ${clockTime(lane.claimedAt)}, before this window`
408 }
409 style={{
410 left:
411 x(lane.start ?? graph.start) <= 12 || lane.claimedAt !== undefined
412 ? x(lane.start ?? graph.start)
413 : x(lane.start ?? graph.start) - 24,
414 top: y - 8,
415 }}
416 />
417 }
418 >
419 <span className="sr-only">Fork start</span>
420 </Tooltip>
421 )}
422 {((lane.claimedAt !== undefined && lane.claimedAt < graph.start) ||
423 lane.earlierPushes) && (
424 <span
425 className="fork-history caption muted"
426 style={{ left: `${percent(lane.start ?? graph.start)}%`, top: y + 10 }}
427 >
428 {lane.claimedAt !== undefined && lane.claimedAt < graph.start && (
429 <span className="fork-stub">since {clockTime(lane.claimedAt)}</span>
430 )}
431 {lane.earlierPushes && (
432 <span className="fork-earlier">Earlier pushes not shown</span>
433 )}
434 </span>
435 )}
436 {foldMarks(
437 lane.events.filter((e) => !lane.promoted || e.kind !== "promoted"),
438 graph.start,
439 now,
440 innerWidth,
441 ).map((group) => {
442 const text = group.events.map((e) => `${clockTime(e.at)} ${e.label}`).join(" · ");
443 return (
444 <Tooltip
445 key={group.event.id}
446 content={text}
447 render={
448 <button
449 className="fork-mark-button fork-event"
450 style={{
451 left: `${percent(group.event.at)}%`,
452 top: y,
453 ...silkStyle(lane.identity),
454 }}
455 aria-label={text}
456 onClick={() => navigate(lane)}
457 />
458 }
459 >
460 <LaneMarker kind={group.event.kind} />
461 </Tooltip>
462 );
463 })}
464 </div>
465 ))}
466 {state.blockers.map((blocker) => {
467 const at = timestamp(blocker.at);
468 if (at === undefined || at < graph.start || at > now) return null;
469 const pushing = layout.find(
470 ({ lane }) =>
471 lane.agent === blocker.pushingAgent &&
472 lane.repoName === blocker.repoName &&
473 lane.packet === blocker.pushingPacket,
474 );
475 const claiming = layout.find(
476 ({ lane }) => lane.agent === blocker.claimingAgent && lane.packet === blocker.packet,
477 );
478 if (!pushing || !claiming || pushing === claiming) return null;
479 const { ringY, segments } = collisionLink(
480 pushing.y,
481 claiming.y,
482 layout.map(({ y }) => y),
483 );
484 const caption = `collision · ${blocker.resolved ? "resolved" : "open"}`;
485 const text = `${clockTime(at)} ${caption}: ${blocker.pushingAgent} with ${blocker.claimingAgent}`;
486 const freeRight = innerWidth - (x(at) - 12) > 150;
487 const freeLeft = x(at) - 12 > 150;
488 const nearMark = layout.some(
489 ({ lane, y }) =>
490 Math.abs(y - ringY) < 22 &&
491 lane.events.some((e) => Math.abs(x(e.at) - x(at)) < 150),
492 );
493 const showCaption =
494 (freeRight || freeLeft) && !nearMark && Math.abs(claiming.y - pushing.y) === 64;
495 return (
496 <div
497 key={blocker.id}
498 className={`fork-collision ${blocker.resolved ? "resolved" : ""}`}
499 >
500 {segments.map(({ top, height: segmentHeight }) => (
501 <span
502 key={top}
503 className="fork-collision-line"
504 style={{ left: `${percent(at)}%`, top, height: segmentHeight }}
505 />
506 ))}
507 <Tooltip
508 content={text}
509 render={
510 <button
511 className="fork-collision-ring fork-mark-button"
512 style={{ left: `${percent(at)}%`, top: ringY }}
513 aria-label={text}
514 />
515 }
516 >
517 <span aria-hidden="true">✕</span>
518 </Tooltip>
519 {showCaption && (
520 <span
521 className={`fork-collision-caption caption ${freeRight ? "right" : "left"}`}
522 style={{ left: `${percent(at)}%`, top: ringY - 8 }}
523 >
524 {caption}
525 </span>
526 )}
527 </div>
528 );
529 })}
530 </div>
531 </div>
532 {!graph.lanes.length && (
533 <p className="caption muted">
534 No forks in flight. Agents' branches appear here when they claim a packet.
535 </p>
536 )}
537 {graph.lanes.length > 8 && (
538 <Button size="sm" variant="ghost" onClick={() => setExpanded(!expanded)}>
539 {expanded ? "Show fewer" : `Show ${graph.lanes.length - 8} more`}
540 </Button>
541 )}
542 <p className="fork-legend caption muted">
543 <span aria-hidden="true">●</span> push · <span aria-hidden="true">○</span> review requested · <span aria-hidden="true">✓/✗</span> checks passed/failed · <span aria-hidden="true">!</span> checks didn't finish · <span aria-hidden="true">◆</span> approved · <span aria-hidden="true">●</span> promoted to{" "}
544 <code>main</code>
545 <br />
546 Numbers and colors stay with the agent everywhere in this graph and in races.
547 </p>
548 <button
549 className="fork-disclosure"
550 aria-expanded={effectiveOpen}
551 aria-controls={tableId}
552 onClick={() => {
553 const next = !tableOpen;
554 setTableOpen(next);
555 try {
556 localStorage.setItem(storageKey(state.project.id), next ? "open" : "closed");
557 } catch {
558 /* Remembering is optional. */
559 }
560 }}
561 >
562 {effectiveOpen ? "▾" : "▸"} Same facts as a table
563 </button>
564 <div
565 className={`fork-table ${effectiveOpen ? "" : "fork-table-collapsed"}`}
566 style={effectiveOpen ? undefined : collapsedTableStyle}
567 id={tableId}
568 >
569 <table>
570 <caption className="caption">
571 Recorded fork events. Times are local; each cell shows up to three events. Earlier
572 events are available on focus or hover.
573 </caption>
574 <thead>
575 <tr>
576 {[
577 "Agent",
578 "Packet",
579 "Claimed",
580 "Last push",
581 "Review",
582 "Checks",
583 "Approved",
584 "Promoted",
585 "Tokens",
586 ].map((text) => (
587 <th key={text} scope="col">
588 {text}
589 </th>
590 ))}
591 </tr>
592 </thead>
593 <tbody>
594 {graph.lanes.map((lane) => (
595 <tr key={lane.id}>
596 <th scope="row">
597 <Saddlecloth identity={lane.identity} />
598 {lane.agent}
599 </th>
600 <td>
601 <button tabIndex={effectiveOpen ? 0 : -1} onClick={() => navigate(lane)}>
602 <code>{lane.packet}</code>
603 {lane.race ? " (race)" : ""}
604 </button>
605 </td>
606 <td>{lane.claimedAt !== undefined ? clockTime(lane.claimedAt) : "—"}</td>
607 <td>
608 <EventCell lane={lane} kinds={["push"]} open={effectiveOpen} />
609 {lane.earlierPushes && (
610 <span className="caption muted">Earlier pushes not shown</span>
611 )}
612 </td>
613 <td>
614 <EventCell lane={lane} kinds={["review"]} open={effectiveOpen} />
615 </td>
616 <td>
617 <EventCell
618 lane={lane}
619 kinds={["failed", "interrupted", "passed"]}
620 open={effectiveOpen}
621 empty={lane.review?.receipt?.status === "running" ? "Running" : "—"}
622 />
623 {lane.review?.receipt?.status === "running" &&
624 lane.events.some((e) => e.kind === "failed" || e.kind === "interrupted" || e.kind === "passed") &&
625 " · Running"}
626 </td>
627 <td>
628 <EventCell lane={lane} kinds={["approved"]} open={effectiveOpen} />
629 </td>
630 <td>
631 {lane.promoted
632 ? `${clockTime(timestamp(lane.promoted.promotedAt)!)} · ${lane.promoted.sha.slice(0, 7)}`
633 : lane.promotedAt
634 ? clockTime(lane.promotedAt)
635 : lane.releasedAt
636 ? "Released"
637 : "Not yet"}
638 </td>
639 <td>{brand ? <UsageFigures usage={laneUsage(state, lane)} agent={lane.agent} brand={brand} compact focusable={effectiveOpen} /> : <span className="caption muted">Not reported</span>}</td>
640 </tr>
641 ))}
642 </tbody>
643 </table>
644 {state.blockers
645 .filter((b) => timestamp(b.at)! >= graph.start && timestamp(b.at)! <= now)
646 .map((b) => (
647 <p className="caption" key={b.id}>
648 {clockTime(timestamp(b.at)!)} collision · {b.resolved ? "resolved" : "open"} ·{" "}
649 {b.pushingAgent} → {b.claimingAgent}
650 </p>
651 ))}
652 </div>
653 </LayerCard>
654 );
655}
656