| 1 | /** |
| 2 | * Spend threaded to the work it produced (lib/signals.ts spendFlow): the |
| 3 | * quarter's milestones, the chosen one's work items, the chosen work |
| 4 | * item's change set in each project, and that change set's pull requests. |
| 5 | * Each box is sized by what the agents' usage on it came to (by its pull |
| 6 | * requests when usage is not known) and shaded by how much of it was an |
| 7 | * agent's. Choosing a box opens what is under it; on a phone the columns |
| 8 | * stack. |
| 9 | */ |
| 10 | import { Bot } from "lucide-react"; |
| 11 | import { type CSSProperties, useState } from "react"; |
| 12 | import { Link } from "react-router"; |
| 13 | |
| 14 | import { cn } from "../lib/cn"; |
| 15 | import { type FlowNode, type FlowPull, agentStep, dollars, percent } from "../lib/signals"; |
| 16 | |
| 17 | /** The five steps of agent use: the accent, from a wash to full. */ |
| 18 | const STEP_FILL = [ |
| 19 | "color-mix(in oklab, var(--color-accent) 10%, var(--color-surface))", |
| 20 | "color-mix(in oklab, var(--color-accent) 24%, var(--color-surface))", |
| 21 | "color-mix(in oklab, var(--color-accent) 42%, var(--color-surface))", |
| 22 | "color-mix(in oklab, var(--color-accent) 68%, var(--color-surface))", |
| 23 | "var(--color-accent)", |
| 24 | ]; |
| 25 | /** Steps deep enough that their text turns: white on the light theme's accent, near black on the dark theme's pale one. */ |
| 26 | const DARK_STEP = 3; |
| 27 | |
| 28 | const HEIGHT = 480; |
| 29 | const GAP = 12; |
| 30 | const MIN_BOX = 76; |
| 31 | /** Columns' left edges and width, in percent of the canvas: the pull requests' column is wider, for their titles. */ |
| 32 | const COLUMN = 19; |
| 33 | const left = (column: number) => column * 23.5; |
| 34 | |
| 35 | type Box = { top: number; height: number }; |
| 36 | |
| 37 | /** Boxes down a column, each at least MIN_BOX tall and the rest shared by weight. */ |
| 38 | function stack(weights: number[]): Box[] { |
| 39 | const n = weights.length; |
| 40 | if (n === 0) return []; |
| 41 | const free = HEIGHT - GAP * (n - 1) - MIN_BOX * n; |
| 42 | const total = weights.reduce((sum, w) => sum + w, 0); |
| 43 | let top = 0; |
| 44 | return weights.map((w) => { |
| 45 | const height = MIN_BOX + (total > 0 ? (w / total) * free : free / n); |
| 46 | const box = { top, height }; |
| 47 | top += height + GAP; |
| 48 | return box; |
| 49 | }); |
| 50 | } |
| 51 | |
| 52 | const weightOf = (sized: "spend" | "pulls") => (node: { micros: number; pulls: number }) => (sized === "spend" ? node.micros : node.pulls); |
| 53 | |
| 54 | /** A band from a slice of `from` (in column `a`) to all of `to` (in column `a + 1`), as an SVG path in percent across. */ |
| 55 | function band(a: number, from: Box, to: Box): string { |
| 56 | const x0 = left(a) + COLUMN; |
| 57 | const x1 = left(a + 1); |
| 58 | const mid = (x0 + x1) / 2; |
| 59 | return `M${x0},${from.top} C${mid},${from.top} ${mid},${to.top} ${x1},${to.top} L${x1},${to.top + to.height} C${mid},${to.top + to.height} ${mid},${from.top + from.height} ${x0},${from.top + from.height} Z`; |
| 60 | } |
| 61 | |
| 62 | /** Slices of a box, one per child, by weight. */ |
| 63 | function slices(box: Box, weights: number[]): Box[] { |
| 64 | const total = weights.reduce((sum, w) => sum + w, 0); |
| 65 | let top = box.top; |
| 66 | return weights.map((w) => { |
| 67 | const height = total > 0 ? (w / total) * box.height : box.height / weights.length; |
| 68 | const slice = { top, height }; |
| 69 | top += height; |
| 70 | return slice; |
| 71 | }); |
| 72 | } |
| 73 | |
| 74 | function Legend() { |
| 75 | return ( |
| 76 | <div className="flex items-center gap-2 text-xs text-muted"> |
| 77 | <span className="font-medium text-fg">Agent use</span> |
| 78 | <span>less</span> |
| 79 | <span className="flex gap-0.5" aria-hidden> |
| 80 | {STEP_FILL.map((fill, i) => ( |
| 81 | <span key={i} className="h-2.5 w-5 rounded-sm" style={{ background: fill }} /> |
| 82 | ))} |
| 83 | </span> |
| 84 | <span>more</span> |
| 85 | </div> |
| 86 | ); |
| 87 | } |
| 88 | |
| 89 | function figures(node: FlowNode, sized: "spend" | "pulls"): string { |
| 90 | const share = node.pulls > 0 ? node.agent / node.pulls : 0; |
| 91 | return `${node.pulls} ${node.pulls === 1 ? "PR" : "PRs"} · ${percent(share)} agent${sized === "spend" && node.micros > 0 ? ` · ${dollars(node.micros)}` : ""}`; |
| 92 | } |
| 93 | |
| 94 | function NodeBox({ |
| 95 | node, |
| 96 | sized, |
| 97 | chosen, |
| 98 | onChoose, |
| 99 | style, |
| 100 | }: { |
| 101 | node: FlowNode; |
| 102 | sized: "spend" | "pulls"; |
| 103 | chosen: boolean; |
| 104 | onChoose?: () => void; |
| 105 | style?: CSSProperties; |
| 106 | }) { |
| 107 | const step = agentStep(node.pulls > 0 ? node.agent / node.pulls : 0); |
| 108 | const dark = step >= DARK_STEP; |
| 109 | return ( |
| 110 | <button |
| 111 | type="button" |
| 112 | onClick={onChoose} |
| 113 | aria-pressed={chosen} |
| 114 | className={cn( |
| 115 | "flex flex-col items-start overflow-hidden rounded-xl px-3.5 py-3 text-left transition-shadow outline-none focus-visible:ring-2 focus-visible:ring-accent/50", |
| 116 | chosen ? "ring-[1.5px] ring-fg/80" : "hover:ring-1 hover:ring-line-strong", |
| 117 | dark ? "text-[light-dark(#ffffff,#141018)]" : "text-fg", |
| 118 | )} |
| 119 | style={{ background: STEP_FILL[step], ...style }} |
| 120 | > |
| 121 | <span className="line-clamp-2 text-sm leading-snug font-semibold">{node.label}</span> |
| 122 | <span className={cn("mt-1 font-mono text-[0.6875rem]", dark ? "text-[light-dark(rgb(255_255_255/0.82),rgb(20_16_24/0.75))]" : "text-fg-soft")}> |
| 123 | {figures(node, sized)} |
| 124 | </span> |
| 125 | </button> |
| 126 | ); |
| 127 | } |
| 128 | |
| 129 | function PullRow({ pull, style }: { pull: FlowPull; style?: CSSProperties }) { |
| 130 | return ( |
| 131 | <Link to={pull.to} className="flex items-center gap-3 border-b border-line px-3 text-sm last:border-b-0 hover:bg-raised" style={style}> |
| 132 | <span className="shrink-0 font-mono text-xs text-muted">#{pull.number}</span> |
| 133 | <span className="min-w-0 grow truncate font-medium text-fg">{pull.title}</span> |
| 134 | {pull.agent && <Bot size={13} className="shrink-0 text-accent" aria-label="An agent's" />} |
| 135 | </Link> |
| 136 | ); |
| 137 | } |
| 138 | |
| 139 | const HEADS = ["Milestone", "Work item", "Change set", "Pull requests"]; |
| 140 | |
| 141 | export function SpendFlow({ flow, sized }: { flow: FlowNode[]; sized: "spend" | "pulls" }) { |
| 142 | const [path, setPath] = useState<string[]>([]); |
| 143 | const weight = weightOf(sized); |
| 144 | // The chosen node at each level: the one asked for, else the biggest. |
| 145 | const columns: FlowNode[][] = [flow]; |
| 146 | const chosen: FlowNode[] = []; |
| 147 | for (let level = 0; level < 3; level++) { |
| 148 | const nodes = columns[level] ?? []; |
| 149 | const pick = nodes.find((node) => node.key === path[level]) ?? nodes[0]; |
| 150 | if (!pick) break; |
| 151 | chosen.push(pick); |
| 152 | if (level < 2) columns.push(pick.children); |
| 153 | } |
| 154 | const pulls = chosen[2]?.list ?? []; |
| 155 | const choose = (level: number, key: string) => setPath([...chosen.slice(0, level).map((node) => node.key), key]); |
| 156 | const boxes = columns.map((nodes) => stack(nodes.map(weight))); |
| 157 | const rowHeight = pulls.length > 0 ? HEIGHT / Math.max(pulls.length, 5) : 0; |
| 158 | const rows: Box[] = pulls.map((_, i) => ({ top: i * rowHeight, height: rowHeight })); |
| 159 | |
| 160 | if (flow.length === 0) return <p className="text-sm text-muted">No pull requests were opened or merged this quarter yet.</p>; |
| 161 | |
| 162 | return ( |
| 163 | <div className="space-y-4"> |
| 164 | <Legend /> |
| 165 | {/* Wide: the four columns, joined. */} |
| 166 | <div className="hidden md:block"> |
| 167 | <div className="relative h-7"> |
| 168 | {HEADS.map((head, column) => ( |
| 169 | <p key={head} className="absolute top-0 font-mono text-[0.6875rem] tracking-[0.14em] text-muted uppercase" style={{ left: `${left(column)}%` }}> |
| 170 | {head} |
| 171 | </p> |
| 172 | ))} |
| 173 | </div> |
| 174 | <div className="relative" style={{ height: HEIGHT }}> |
| 175 | <svg className="pointer-events-none absolute inset-0 h-full w-full" viewBox={`0 0 100 ${HEIGHT}`} preserveAspectRatio="none" aria-hidden> |
| 176 | {chosen.map((node, level) => { |
| 177 | const index = columns[level]!.indexOf(node); |
| 178 | const from = boxes[level]![index]!; |
| 179 | if (level < 2) { |
| 180 | const children = columns[level + 1]!; |
| 181 | return slices(from, children.map(weight)).map((slice, i) => ( |
| 182 | <path key={`${level}-${i}`} d={band(level, slice, boxes[level + 1]![i]!)} className="fill-line-strong" opacity={0.45} /> |
| 183 | )); |
| 184 | } |
| 185 | return slices( |
| 186 | from, |
| 187 | rows.map(() => 1), |
| 188 | ).map((slice, i) => ( |
| 189 | <path |
| 190 | key={`p-${i}`} |
| 191 | d={band(level, slice, { top: rows[i]!.top + 6, height: rows[i]!.height - 12 })} |
| 192 | className="fill-line-strong" |
| 193 | opacity={0.35} |
| 194 | /> |
| 195 | )); |
| 196 | })} |
| 197 | </svg> |
| 198 | {columns.map((nodes, level) => |
| 199 | nodes.map((node, i) => ( |
| 200 | <NodeBox |
| 201 | key={node.key} |
| 202 | node={node} |
| 203 | sized={sized} |
| 204 | chosen={chosen[level]?.key === node.key} |
| 205 | onChoose={() => choose(level, node.key)} |
| 206 | style={{ position: "absolute", left: `${left(level)}%`, width: `${COLUMN}%`, top: boxes[level]![i]!.top, height: boxes[level]![i]!.height }} |
| 207 | /> |
| 208 | )), |
| 209 | )} |
| 210 | <div |
| 211 | className="absolute rounded-xl border border-line bg-surface" |
| 212 | style={{ left: `${left(3)}%`, width: `${100 - left(3)}%`, top: 0, height: pulls.length * rowHeight || MIN_BOX }} |
| 213 | > |
| 214 | {pulls.length === 0 ? ( |
| 215 | <p className="px-3 py-4 text-sm text-muted">No pull requests here.</p> |
| 216 | ) : ( |
| 217 | pulls.map((pull, i) => <PullRow key={pull.key} pull={pull} style={{ height: rows[i]!.height }} />) |
| 218 | )} |
| 219 | </div> |
| 220 | </div> |
| 221 | </div> |
| 222 | {/* A phone: each level as a list, the chosen one open. */} |
| 223 | <div className="space-y-5 md:hidden"> |
| 224 | {columns.map((nodes, level) => ( |
| 225 | <div key={level} className="space-y-2"> |
| 226 | <p className="font-mono text-[0.6875rem] tracking-[0.14em] text-muted uppercase">{HEADS[level]}</p> |
| 227 | <div className="grid gap-2"> |
| 228 | {nodes.map((node) => ( |
| 229 | <NodeBox key={node.key} node={node} sized={sized} chosen={chosen[level]?.key === node.key} onChoose={() => choose(level, node.key)} /> |
| 230 | ))} |
| 231 | </div> |
| 232 | </div> |
| 233 | ))} |
| 234 | <div className="space-y-2"> |
| 235 | <p className="font-mono text-[0.6875rem] tracking-[0.14em] text-muted uppercase">{HEADS[3]}</p> |
| 236 | <div className="rounded-xl border border-line bg-surface"> |
| 237 | {pulls.map((pull) => ( |
| 238 | <PullRow key={pull.key} pull={pull} style={{ height: 48 }} /> |
| 239 | ))} |
| 240 | </div> |
| 241 | </div> |
| 242 | </div> |
| 243 | </div> |
| 244 | ); |
| 245 | } |