${sport.toUpperCase()}

\n \n ${games\n .map((game) => {\n const time = new Date(game.start_time).toLocaleTimeString(\"en-US\", {\n timeZone: \"America/Los_Angeles\",\n hour: \"numeric\",\n minute: \"2-digit\",\n timeZoneName: \"short\",\n });\n const ch = game.channel;\n const channelText =\n ch.category === \"unknown\"\n ? \"TBD\"\n : `${ch.name}${ch.directv_channel ? ` · DirecTV ${ch.directv_channel}` : ch.note ? ` (${ch.note})` : \"\"}`;\n return ``;\n })\n .join(\"\")}\n

${game.away} @ ${game.home}

${time}

${channelText}

`,\n )\n .join(\"\");\n\n const body = bySport.length ? rows : `

No games ${dateLabel}.

`;\n\n return new Response(`

${dateLabel[0].toUpperCase()}${dateLabel.slice(1)}'s Games

${body}`, {\n headers: { \"content-type\": \"text/html; charset=utf-8\" },\n });\n}\n\n// Module-scope caches: val.town reuses the Deno process across requests\n// when possible, so a cold WASM init / font fetch only has to happen once\n// per warm process, not once per request.\nlet wasmReady: Promise | null = null;\nlet regularFontPromise: Promise | null = null;\nlet boldFontPromise: Promise | null = null;\n\nfunction ensureWasm() {\n if (!wasmReady) wasmReady = initWasm(fetch(\"https://unpkg.com/@resvg/resvg-wasm/index_bg.wasm\"));\n return wasmReady;\n}\n\nfunction fetchFont(weight: number) {\n return fetch(`https://cdn.jsdelivr.net/fontsource/fonts/inter@latest/latin-${weight}-normal.ttf`)\n .then((r) => r.arrayBuffer())\n .then((buf) => new Uint8Array(buf));\n}\n\nfunction regularFont() {\n return (regularFontPromise ??= fetchFont(400));\n}\n\nfunction boldFont() {\n return (boldFontPromise ??= fetchFont(700));\n}\n\n// Backstop only — pngLayout's legibility floor is the real limiter now that\n// it scales with render density. At every actual widget size the floor binds\n// first (a large widget tops out at 6 games, a medium at 2, whatever density\n// it's rendered at), so this ceiling never fires in practice. It stays as a\n// guard against a pathological ?w=/?h= producing a canvas tall enough to ask\n// for dozens of rows.\n//\n// Do not lower it to shape what the widget shows — that's the floor's job,\n// and a ceiling applied here would cap `shown` without telling pngLayout,\n// which is how \"+N more\" undercounted before.\nconst MAX_GAMES_SHOWN = 10;\n\n// Time and channel are separate values, not one string, because the row\n// draws them as two stacked right-justified lines. Kept to two lines per\n// game — the thing that made this legible in the first place.\nfunction formatTime(game: EnrichedGame): string {\n return new Date(game.start_time).toLocaleTimeString(\"en-US\", {\n timeZone: \"America/Los_Angeles\",\n hour: \"numeric\",\n minute: \"2-digit\",\n });\n}\n\n// The channel's name *and* its DirecTV number — \"ESPN · 206\", where this\n// line used to carry the bare number as \"CH 206\". The number is the half\n// that took real work to get right (NATIONAL_CHANNELS hard-codes locally\n// assigned numbers for the affiliates that have no true national one), so\n// the name is added beside it rather than in place of it.\n//\n// Uses `label`, not `name`: the display form, dictionary-mapped down to\n// something widget-sized (\"Amazon Prime Video\" → \"AMZN\") and chopped if it\n// is regional free text. `name` keeps the raw string for the json format.\n//\n// `channelInfo` fills this in for national, streaming *and* regional\n// channels, so the only silent case left is a game Sleeper sent no channel\n// for at all. That flips this line from rare to near-universal: under the\n// bare-number version most rows drew nothing here, since the dictionary's\n// coverage is deliberately partial. The right panel is therefore usually two\n// lines now, which costs no height (it is still shorter than the team stack\n// that sets ROW_HEIGHT) but does compete for width.\n//\n// No \"TBD\" for the empty case — an absent line already reads as unknown, and\n// the HTML view's \"TBD\" belongs to a surface with room for it.\nfunction channelLabel(game: EnrichedGame): string | null {\n const { label, directv_channel } = game.channel;\n if (!label) return null;\n return directv_channel ? `${label} · ${directv_channel}` : label;\n}\n\n// Drawn only when something was rejected, so the normal card is unchanged\n// and the appearance of this line is itself the signal. Kept in MUTED rather\n// than a new warning colour: every colour on this card has to clear contrast\n// against a randomised background hue, and MUTED is already covered by the\n// 360-hue assertions in test-core.ts.\n// Deliberately just a count, not the offending values. This has to fit on\n// ONE line at every canvas width — listing the tokens wrapped to two lines\n// on a large widget and pushed the card past its padding. The PNG's job is\n// to say \"something is wrong\"; `effective.rejected` in the json format is\n// where you find out what.\nfunction rejectionNote(rejected: string[]): string {\n return `! ${rejected.length} ignored`;\n}\n\nasync function renderPng(\n bySport: GamesBySport,\n dateLabel: string,\n width: number,\n height: number,\n rejected: string[] = [],\n) {\n await ensureWasm();\n\n // Pass the full slate size, not a slice of it — MAX_GAMES_SHOWN goes in as\n // a ceiling on rendered rows so that games above it still get counted into\n // \"+N more\" rather than dropping out of the total silently.\n // Chronological, not sport-grouped — this canvas has no sport headings, so\n // grouping here reads as a broken sort and biases truncation. See\n // flattenByStartTime.\n const games = flattenByStartTime(bySport);\n const layout = pngLayout(width, height, games.length, MAX_GAMES_SHOWN, rejected.length ? 1 : 0);\n const visible = games.slice(0, layout.shown);\n\n // Two panels side by side rather than two stacked full-width lines: teams\n // stack left-justified on the left, time over channel stacks right-\n // justified on the right. The teams carry no \"@\"/\"vs\" — their stacking is\n // what says they're a matchup, and dropping the separator buys width for\n // the bigger type. Alignment is done with flex (alignItems), not\n // textAlign: satori implements only a subset of CSS and flex alignment is\n // the part that's reliable there.\n // lineHeight 1.0 and no gap between the two team codes: they are all-caps\n // with no descenders, so the tight leading costs nothing legible, and the\n // pair reads as one unit rather than two unrelated lines. It is also what\n // pays for the second game on a medium widget — at 1.1 leading the row\n // costs 121pt against a 109pt budget and 329x155 silently falls back to a\n // one-game card. See ROW_HEIGHT in core.ts.\n const teamLine = (label: string | null) => ({\n type: \"div\",\n props: {\n style: { display: \"flex\", fontSize: layout.matchupFontSize, fontWeight: 700, lineHeight: 1 },\n children: label,\n },\n });\n\n // No overflow/ellipsis styling here on purpose. Nothing in this layout\n // models *width*, only height, so a long channel name on a big canvas ran\n // off the side — three games at 1100x1146 scale up to ~120px type (the\n // height budget fills the canvas), at which point \"Amazon Prime Video\" was\n // wider than the row. The css route made it worse: `minWidth: 0` let the\n // panel box shrink, but the text inside kept its own width and spilled\n // *leftward* out of the shrunken box, so the two panels overlapped instead\n // of one truncating. The fix is upstream in core.ts — channel names are a\n // small bounded set, so they get a mapping to short forms plus a hard\n // character cap, and the string that arrives here is already short enough\n // to lay out normally.\n const metaLine = (text: string) => ({\n type: \"div\",\n props: { style: { display: \"flex\", fontSize: layout.timeFontSize, lineHeight: 1.1 }, children: text },\n });\n\n const row = (game: EnrichedGame) => {\n const channel = channelLabel(game);\n return {\n type: \"div\",\n props: {\n style: {\n display: \"flex\",\n flexDirection: \"row\",\n justifyContent: \"space-between\",\n alignItems: \"flex-start\",\n width: \"100%\",\n // A gutter the two panels cannot close, so a wide row degrades into\n // \"tight\" rather than \"touching\".\n gap: layout.gap,\n },\n children: [\n {\n type: \"div\",\n props: {\n style: { display: \"flex\", flexDirection: \"column\", alignItems: \"flex-start\" },\n // Real names where TEAMS knows one, raw Sleeper code otherwise.\n // Only the png substitutes: `away`/`home` stay as the API's\n // codes in the json format, which is the drift-detection\n // surface and has to keep reporting what Sleeper actually sent.\n children: [\n teamLine(teamLabel(game.sport, game.away)),\n teamLine(teamLabel(game.sport, game.home)),\n ],\n },\n },\n {\n type: \"div\",\n props: {\n style: {\n display: \"flex\",\n flexDirection: \"column\",\n alignItems: \"flex-end\",\n gap: layout.rowGap,\n color: MUTED,\n },\n children: [metaLine(formatTime(game)), ...(channel ? [metaLine(channel)] : [])],\n },\n },\n ],\n },\n };\n };\n\n // Dropped games are counted, never silently omitted — the widget should\n // say \"there is more\" rather than imply the day is only this long.\n const moreRow = {\n type: \"div\",\n props: {\n style: { display: \"flex\", fontSize: layout.moreFontSize, color: MUTED },\n children: `+${layout.hidden} more`,\n },\n };\n\n const tree = {\n type: \"div\",\n props: {\n style: {\n width,\n height,\n display: \"flex\",\n flexDirection: \"column\",\n justifyContent: \"center\",\n backgroundColor: backgroundForHue(randomHue()),\n borderWidth: 1,\n borderStyle: \"solid\",\n borderColor: BORDER,\n color: FG,\n fontFamily: \"sans\",\n padding: layout.padding,\n gap: layout.gap,\n },\n children: [\n {\n type: \"div\",\n props: {\n style: {\n display: \"flex\",\n fontSize: layout.headerFontSize,\n color: MUTED,\n textTransform: \"uppercase\",\n letterSpacing: 1,\n },\n children: dateLabel,\n },\n },\n ...(visible.length\n ? visible.map(row)\n : [\n {\n type: \"div\",\n props: {\n style: { display: \"flex\", fontSize: Math.round(32 * layout.scale), color: MUTED },\n children: \"No games\",\n },\n },\n ]),\n ...(layout.hidden > 0 ? [moreRow] : []),\n ...(rejected.length\n ? [\n {\n type: \"div\",\n props: {\n style: { display: \"flex\", fontSize: layout.moreFontSize, color: MUTED },\n children: rejectionNote(rejected),\n },\n },\n ]\n : []),\n ],\n },\n };\n\n const svg = await satori(tree, {\n width,\n height,\n fonts: [\n { name: \"sans\", data: await regularFont(), weight: 400, style: \"normal\" },\n { name: \"sans\", data: await boldFont(), weight: 700, style: \"normal\" },\n ],\n });\n\n const png = new Resvg(svg).render().asPng();\n return new Response(png, { headers: { \"content-type\": \"image/png\", \"cache-control\": \"public, max-age=60\" } });\n}\n\n// ---- entry point ----\n\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n const day = url.searchParams.get(\"day\") === \"tomorrow\" ? \"tomorrow\" : \"today\";\n const format = url.searchParams.get(\"format\") ?? \"html\";\n\n // Repeated params (`?teams[]=sparks&teams[]=lakers`), matching Sleeper's\n // own convention rather than a comma-joined list.\n const resolved = resolveParams(url.searchParams.getAll(\"sports[]\"), url.searchParams.getAll(\"teams[]\"));\n\n const date = slateDateFor(day);\n const games = await fetchScores(date, resolved.sports);\n const bySport = transformScores(games, resolved.sports, resolved.teams);\n\n if (format === \"json\") return renderJson(bySport, day, resolved);\n if (format === \"png\") {\n const width = Number(url.searchParams.get(\"w\")) || 329;\n const height = Number(url.searchParams.get(\"h\")) || 155;\n return renderPng(bySport, formatDateLabel(date), width, height, resolved.rejected);\n }\n return renderHtml(bySport, day);\n}\n","label",[140],"273b5cf3-0c4c-4c10-9d22-b3d84209180a","core.ts","e500b9b2-9b74-11f1-8823-1607ee4eb77e",26,["D",1787125462032],11,"script","// Portable core: no runtime-specific imports, no rendering. Deployed to\n// val.town as a `script` file and imported by main.ts, so the code the\n// tests cover is literally the code that serves production — the earlier\n// core.mjs / games-today.val.ts split had these constants duplicated\n// verbatim and only tested the copy that never ran.\n//\n// Runs unchanged under Deno (val.town) and Node (test-core.ts, via\n// --experimental-strip-types). Keep it to erasable TypeScript — type\n// annotations and type aliases only, no enums/namespaces/parameter\n// properties — or Node's stripper rejects it.\n//\n// Ported from app/controllers/games_controller.rb.\n\n// Doubles as the fetch list, the allowlist for the `sports[]` param, and\n// the group order in the rendered output. Order is display order, not\n// significance — nfl first because it's the one with a hard weekly cadence.\n//\n// Growing this from nfl+wnba to four sports makes an unfiltered slate large\n// (mlb+wnba alone returned 19 games on 2026-08-18), which is the whole\n// reason the `teams[]` filter exists — see docs/widget-param-contract.md.\nexport const SPORTS = [\"nfl\", \"wnba\", \"mlb\", \"nba\"];\n\n// Ported from GamesController::NATIONAL_CHANNELS /\n// GamesController::STREAMING_CHANNELS. See that file for the reasoning\n// behind word-boundary matching (plain substring mislabels \"NBCS-PH\" as an\n// NBC affiliate) and the amzn/amazon dual-key (Sleeper sends the long form\n// for mlb/wnba).\n//\n// `label` is this file's own addition, not in the Rails port: the short form\n// the png draws. It exists because Sleeper's raw strings are not sized for a\n// widget — \"Amazon Prime Video\" is 18 characters and ran off the side of a\n// large card. The values are a small bounded set, so they get a mapping\n// rather than a measuring algorithm. AMZN is Sleeper's own abbreviation for\n// that channel (it sends both forms, hence the dual key below), so this\n// shortens to something the source already uses rather than inventing one.\nexport const NATIONAL_CHANNELS: Record = {\n abc: { label: \"ABC\", directv_channel: 4, note: null },\n cbs: { label: \"CBS\", directv_channel: 2, note: null },\n espn: { label: \"ESPN\", directv_channel: 206, note: null },\n ion: { label: \"ION\", directv_channel: 305, note: null },\n nbatv: { label: \"NBATV\", directv_channel: 216, note: null },\n nbc: { label: \"NBC\", directv_channel: 4, note: null },\n tbs: { label: \"TBS\", directv_channel: 247, note: null },\n usa: { label: \"USA\", directv_channel: 242, note: null },\n sportsnet: { label: \"SportsNet\", directv_channel: 691, note: null },\n};\n\nexport const STREAMING_CHANNELS: Record = {\n amzn: { label: \"AMZN\", note: \"computer only\" },\n amazon: { label: \"AMZN\", note: \"computer only\" },\n peacock: { label: \"Peacock\", note: \"computer only\" },\n};\n\n// The backstop for the one category that has no mapping: a regional channel\n// is whatever free text Sleeper sent, so it cannot be bounded by a\n// dictionary the way the two above are. Real values are already short\n// (SNY, MARQ, NESN, MASN, NBCS-PH), so this only fires on something\n// unusual — a blunt chop rather than a width measurement, which is all a\n// backstop needs to be.\nexport const MAX_CHANNEL_LABEL = 10;\n\nexport function chop(text: string, max: number): string {\n return text.length <= max ? text : `${text.slice(0, max - 1)}…`;\n}\n\n// `name` stays the raw string Sleeper sent — it is the drift-detection\n// value, and the json format has to keep reporting what actually arrived.\n// `label` is the display form: dictionary-mapped where there is a mapping,\n// chopped raw text where there isn't.\nexport type ChannelInfo = {\n category: string;\n name: string | null;\n label: string | null;\n directv_channel: number | null;\n note: string | null;\n};\n\nfunction channelMatches(rawChannel: string, key: string) {\n return new RegExp(`\\\\b${key.replace(/[.*+?^${}()|[\\]\\\\]/g, \"\\\\$&\")}\\\\b`, \"i\").test(rawChannel);\n}\n\nexport function channelInfo(rawChannel: string | null | undefined): ChannelInfo {\n if (!rawChannel) return { category: \"unknown\", name: null, label: null, directv_channel: null, note: null };\n\n const nationalKey = Object.keys(NATIONAL_CHANNELS).find((key) => channelMatches(rawChannel, key));\n if (nationalKey) return { category: \"national\", name: rawChannel, ...NATIONAL_CHANNELS[nationalKey] };\n\n const streamingKey = Object.keys(STREAMING_CHANNELS).find((key) => channelMatches(rawChannel, key));\n if (streamingKey) {\n return { category: \"streaming\", name: rawChannel, directv_channel: null, ...STREAMING_CHANNELS[streamingKey] };\n }\n\n return {\n category: \"regional\",\n name: rawChannel,\n label: chop(rawChannel, MAX_CHANNEL_LABEL),\n directv_channel: null,\n note: null,\n };\n}\n\n// Sleeper buckets /scores by Eastern day, not UTC — same fact\n// Sleeper::Client.today_slate_date encodes. Anchored off real UTC \"now\",\n// not any app-local notion of \"today\".\nconst SCORES_SLATE_TIME_ZONE = \"America/New_York\";\n\nexport function todaySlateDate(now = new Date()): string {\n // en-CA gives YYYY-MM-DD directly, sorted the way ISO date math wants it.\n return now.toLocaleDateString(\"en-CA\", { timeZone: SCORES_SLATE_TIME_ZONE });\n}\n\nexport function addDays(isoDate: string, days: number): string {\n const [y, m, d] = isoDate.split(\"-\").map(Number);\n const date = new Date(Date.UTC(y, m - 1, d));\n date.setUTCDate(date.getUTCDate() + days);\n return date.toISOString().slice(0, 10);\n}\n\nconst DAY_OFFSETS: Record = { today: 0, tomorrow: 1 };\n\nexport function slateDateFor(term: string, now = new Date()): string {\n return addDays(todaySlateDate(now), DAY_OFFSETS[term] ?? 0);\n}\n\n// isoDate is a plain calendar y-m-d (no timezone info), so format it as UTC\n// to avoid drifting a day off depending on the runtime's local timezone.\nexport function formatDateLabel(isoDate: string): string {\n const [y, m, d] = isoDate.split(\"-\").map(Number);\n const date = new Date(Date.UTC(y, m - 1, d));\n const weekday = date.toLocaleDateString(\"en-US\", { timeZone: \"UTC\", weekday: \"short\" });\n const monthDay = date.toLocaleDateString(\"en-US\", { timeZone: \"UTC\", month: \"short\", day: \"numeric\" });\n return `${weekday} ${monthDay}`;\n}\n\n// away_team/home_team ships as a plain string for nfl but as\n// { record, team } for wnba (and mlb) — same shape hazard the Rails view\n// papers over with `dig(...) rescue metadata[\"away_team\"]`.\n//\n// Named for what it returns: Sleeper's abbreviation (\"IND\"), not a name.\n// `teamLabel` below is the one that turns that into \"Fever\".\nfunction teamCode(value: unknown): string | null {\n if (value && typeof value === \"object\") return (value as { team: string }).team;\n return (value as string) ?? null;\n}\n\nexport type Game = {\n sport: string;\n start_time: number;\n metadata: { away_team?: unknown; home_team?: unknown; channel?: string | null };\n};\n\nexport type EnrichedGame = Game & { away: string | null; home: string | null; channel: ChannelInfo };\n\nexport type GamesBySport = { sport: string; games: EnrichedGame[] }[];\n\n// sports: array like [\"nfl\", \"wnba\"]. games: raw Sleeper /scores payload\n// (already filtered to a single date server-side by the API call itself —\n// this function just shapes what was returned).\nexport function transformScores(games: Game[], sports: string[] = SPORTS, teams: TeamRef[] = []): GamesBySport {\n let enriched: EnrichedGame[] = (games ?? []).map((game) => ({\n ...game,\n away: teamCode(game.metadata?.away_team),\n home: teamCode(game.metadata?.home_team),\n channel: channelInfo(game.metadata?.channel),\n }));\n\n // Matched on the (sport, code) pair, never the bare code — `IND` is three\n // different franchises across wnba/nfl/nba, so a code-only match makes\n // \"fever\" quietly include Colts and Pacers games.\n if (teams.length) {\n enriched = enriched.filter((game) =>\n teams.some((t) => t.sport === game.sport && (game.away === t.code || game.home === t.code)),\n );\n }\n\n const bySport = Object.groupBy(enriched, (g) => g.sport) as Record;\n\n return sports\n .filter((sport) => bySport[sport]?.length)\n .map((sport) => ({ sport, games: bySport[sport].toSorted((a, b) => a.start_time - b.start_time) }));\n}\n\n// ---- favorite teams ----\n//\n// Slug -> (sport, Sleeper code). The pair matters: Sleeper's abbreviations\n// are NOT unique across sports. `IND` is the Fever (wnba), the Colts (nfl)\n// and the Pacers (nba) — all three confirmed in live data and captured in\n// test/fixtures/files/sleeper/. Matching a bare code would make \"fever\" pull\n// in Colts and Pacers games. `WAS` (nfl + wnba, while mlb uses `WSH`) plus\n// ATL/MIN/CHI/DET/HOU/TOR/BOS/TB are the same trap as this list grows.\n//\n// The URL carries slugs, not codes, and this table is the only place the\n// mapping lives. That's deliberate: the iOS app ships a picker, and every\n// app-side change costs a build-number bump on both the app and the widget\n// extension plus an upload. Adding a team here is a val deploy instead. See\n// docs/widget-ios-brief.md.\n//\n// Every code here is asserted against a real captured fixture for its sport\n// — but a fixture only proves the code was valid on its capture date, not\n// that Sleeper still uses it. The runtime echo (rejected/unmatched surfaced\n// to the caller) is the actual drift detector.\nexport type TeamRef = { sport: string; code: string };\n\nexport const TEAMS: Record = {\n sparks: { sport: \"wnba\", code: \"LAS\" },\n fever: { sport: \"wnba\", code: \"IND\" },\n dodgers: { sport: \"mlb\", code: \"LAD\" },\n lakers: { sport: \"nba\", code: \"LAL\" },\n warriors: { sport: \"nba\", code: \"GSW\" },\n rams: { sport: \"nfl\", code: \"LAR\" },\n panthers: { sport: \"nfl\", code: \"CAR\" },\n};\n\n// A widget that can't show more than ~6 games has no use for a longer list;\n// this exists to bound a malformed URL, not to express a preference.\nexport const MAX_TEAMS = 12;\n\n// ---- display names ----\n//\n// Derived from TEAMS rather than declared as a second table, and that is the\n// whole point: a parallel TEAM_NAMES would carry the same (sport, code) pairs\n// a second time, and the two would drift the first time someone corrected a\n// code in one of them. Adding a team to TEAMS now buys both the favorites\n// filter and the display name in one edit.\n//\n// Keyed on `sport:code`, never on the bare code, for the reason spelled out\n// above TEAMS: `IND` is the Fever, the Colts *and* the Pacers, so a bare-code\n// index would label a Colts game \"Fever\". The key includes the sport for the\n// same reason the favorites table stores a pair.\nconst TEAM_LABELS: Record = Object.fromEntries(\n Object.entries(TEAMS).map(([slug, ref]) => [`${ref.sport}:${ref.code}`, titleCase(slug)]),\n);\n\nfunction titleCase(slug: string): string {\n return slug\n .split(\"-\")\n .map((word) => word.charAt(0).toUpperCase() + word.slice(1))\n .join(\" \");\n}\n\n// Falls back to the raw code, which is the honest thing to draw for a team\n// this table doesn't cover yet — coverage is currently 7 of ~120 teams, so\n// the fallback is the common case, and a card mixes \"Dodgers\" with \"COL\".\n// Callers get whatever TEAMS knows and nothing is invented.\nexport function teamLabel(sport: string, code: string | null): string | null {\n if (!code) return code;\n return TEAM_LABELS[`${sport}:${code}`] ?? code;\n}\n\nexport type ResolvedParams = {\n mode: \"teams\" | \"sports\";\n sports: string[];\n teams: TeamRef[];\n rejected: string[];\n};\n\n// Turns raw `sports[]` / `teams[]` query values into what to fetch and what\n// to keep. Pure — no I/O — so the whole contract is testable under bin/ci.\n//\n// Two modes, not an intersection. Any valid team puts us in team mode, where\n// `sports[]` is ignored and the fetch list is derived from the selected\n// teams instead. Intersecting them lets `sports[]=nfl&teams[]=dodgers`\n// produce an empty widget that looks exactly like a quiet day.\n//\n// Nothing here throws or signals an error status: a 4xx renders as a broken\n// image in WidgetKit, which is worse than slightly wrong content. Unknown\n// values are dropped into `rejected` for the caller to echo, which is what\n// makes drift between the iOS repo and this one visible instead of silent.\nexport function resolveParams(sportsParam: string[] = [], teamsParam: string[] = []): ResolvedParams {\n const rejected: string[] = [];\n\n const clean = (values: string[]) => [\n ...new Set(values.map((v) => v.trim().toLowerCase()).filter(Boolean)),\n ];\n\n // Sports are validated even in team mode, where they're otherwise unused:\n // a typo should surface as drift rather than hide behind a team filter.\n const sports = clean(sportsParam).filter((s) => {\n if (SPORTS.includes(s)) return true;\n rejected.push(s);\n return false;\n });\n\n const teams: TeamRef[] = [];\n for (const slug of clean(teamsParam)) {\n if (!TEAMS[slug]) rejected.push(slug);\n else if (teams.length >= MAX_TEAMS) rejected.push(slug);\n else teams.push(TEAMS[slug]);\n }\n\n // Every requested team was unknown -> fall through to sports mode rather\n // than rendering an empty card. The slugs are already in `rejected`, so\n // the caller can still say something went wrong.\n if (teams.length === 0) {\n return { mode: \"sports\", sports: sports.length ? orderBySports(sports) : [...SPORTS], teams: [], rejected };\n }\n\n const derived = orderBySports([...new Set(teams.map((t) => t.sport))]);\n return { mode: \"teams\", sports: derived, teams, rejected };\n}\n\n// Keeps fetch/group order stable and independent of the order params arrived\n// in, so two widgets with the same selection produce the same card.\nfunction orderBySports(sports: string[]): string[] {\n return SPORTS.filter((s) => sports.includes(s));\n}\n\n// Flattens the sport groups into one chronological list, for renderers that\n// don't draw sport headings.\n//\n// The PNG is that renderer. Flattening in SPORTS order instead produced a\n// list that looked time-sorted but wasn't (a 4:30pm wnba game above a 9:35am\n// mlb one, with nothing on the card explaining the jump), and — worse — made\n// truncation sport-biased: whichever sport sorts first claims the visible\n// rows, so a medium widget showing 2 of 17 gave both slots to wnba and put\n// all 15 mlb games behind \"+15 more\". With four sports that can make a whole\n// sport structurally unreachable on the smaller canvases.\n//\n// The HTML view still groups by sport deliberately — it has headings, so the\n// grouping is legible there.\nexport function flattenByStartTime(bySport: GamesBySport): EnrichedGame[] {\n return bySport.flatMap((group) => group.games).toSorted((a, b) => a.start_time - b.start_time);\n}\n\n// ---- palette ----\n//\n// The widget's whole reason for existing is at-a-glance, low-vision\n// scannability, so contrast is the constraint everything else bends around:\n// near-white text on a near-black card, ~19:1.\n\nexport const FG = \"#ffffff\";\nexport const MUTED = \"#c9c9d2\";\nexport const BORDER = \"rgba(255,255,255,0.14)\";\n\n// Background varies by hue per request, and *only* by hue. Lightness and\n// saturation are held fixed, which is what keeps the randomization safe:\n// perceived brightness is carried by lightness, so rotating hue at a\n// constant 5% lightness walks around the color wheel without ever getting\n// lighter. Every hue lands in a narrow contrast band (~18.9:1 to ~19.9:1\n// against FG) rather than one hue being readable and another washing out.\n//\n// Saturation is deliberately low. At 30% the tint reads as \"this card has a\n// color\" without becoming a colored card — above that, low lightness starts\n// looking muddy rather than tinted.\nconst BG_LIGHTNESS = 0.05;\nconst BG_SATURATION = 0.3;\n\n// Translucent, not solid: the iOS widget renders this full-bleed with no\n// rounding of our own, so an opaque fill would fight whatever corner\n// treatment the widget host applies. High opacity preserves the contrast\n// the low-vision case depends on regardless of what sits behind it.\nconst BG_ALPHA = 0.88;\n\n// Returns 0-255 channels. Standard HSL->RGB; h in degrees, s and l in 0..1.\nexport function hslToRgb(h: number, s: number, l: number): [number, number, number] {\n const c = (1 - Math.abs(2 * l - 1)) * s;\n const hp = (((h % 360) + 360) % 360) / 60;\n const x = c * (1 - Math.abs((hp % 2) - 1));\n const [r1, g1, b1] =\n hp < 1 ? [c, x, 0]\n : hp < 2 ? [x, c, 0]\n : hp < 3 ? [0, c, x]\n : hp < 4 ? [0, x, c]\n : hp < 5 ? [x, 0, c]\n : [c, 0, x];\n const m = l - c / 2;\n return [r1 + m, g1 + m, b1 + m].map((v) => Math.round(v * 255)) as [number, number, number];\n}\n\n// WCAG relative luminance. Channels in 0-255.\nexport function relativeLuminance([r, g, b]: [number, number, number]): number {\n const channel = (v: number) => {\n const s = v / 255;\n return s <= 0.03928 ? s / 12.92 : Math.pow((s + 0.055) / 1.055, 2.4);\n };\n return 0.2126 * channel(r) + 0.7152 * channel(g) + 0.0722 * channel(b);\n}\n\n// WCAG contrast ratio between two relative luminances.\nexport function contrastRatio(a: number, b: number): number {\n const [hi, lo] = a > b ? [a, b] : [b, a];\n return (hi + 0.05) / (lo + 0.05);\n}\n\nexport function backgroundForHue(hue: number): string {\n const [r, g, b] = hslToRgb(hue, BG_SATURATION, BG_LIGHTNESS);\n return `rgba(${r},${g},${b},${BG_ALPHA})`;\n}\n\n// Kept separate from backgroundForHue so the color math stays pure and\n// testable across every hue, with the randomness injected at the caller.\nexport function randomHue(): number {\n return Math.floor(Math.random() * 360);\n}\n\n// ---- png layout ----\n//\n// Lives here, not in main.ts, for two reasons: it's pure (so test-core.ts\n// can cover it without a rendering runtime), and the renderer derives every\n// font size and gap from the same numbers the fit calculation uses — when\n// they lived apart the layout silently outgrew the canvas.\n//\n// The metrics below are the vertical cost of each piece at scale 1,\n// calibrated against actual satori output rather than derived from the font\n// sizes (satori's line-height and flex-gap rounding don't match a naive\n// fontSize * lineHeight sum closely enough to fit a 155px canvas).\n\nconst BASE_WIDTH = 329;\nconst BORDER_HEIGHT = 2; // 1px top + bottom, unscaled\n\n// Everything that isn't a game row: vertical padding + the date header +\n// the gap under it.\n// Exported so test-core.ts asserts against these numbers rather than its\n// own copy of them — a private constant plus a duplicate in the test is how\n// a layout guard silently goes stale.\nexport const CHROME_HEIGHT = 94;\n\n// One game row plus the gap above it. The row is two side-by-side panels —\n// away over home (bold, matchup size) on the left, time over channel (muted)\n// on the right — so its height is the *taller* panel, the left one: two\n// matchup-size lines at lineHeight 1, tight against each other. The right\n// panel is shorter and never binds.\n//\n// 108 is not slack: a medium widget's whole budget for two games is\n// (153/0.43 - CHROME_HEIGHT - MORE_ROW_HEIGHT) / 2 = 109.9, so anything that\n// adds 2pt to this row — 1.1 leading on the team lines, or a gap between\n// them — drops 329x155 back to a single game. Measured against the render,\n// not derived: row pitch at 1100x1146 came out 187px at scale 1.544\n// (121 * 1.544 = 186.8) for the 1.1-leading version this replaced.\nexport const ROW_HEIGHT = 108;\n\n// The \"+N more\" line is a row of its own — budget it, or truncating puts\n// back the overflow it was meant to remove.\nexport const MORE_ROW_HEIGHT = 42;\n\n// Legibility floor, as a **fraction of the canvas's natural scale** — not an\n// absolute scale value. This design exists for at-a-glance, low-vision\n// reading; below roughly this fraction the matchup line stops being\n// scannable. Games that don't fit above the floor are dropped to a \"+N more\"\n// count rather than shrunk into illegibility.\n//\n// Why a fraction and not an absolute number: the caller passes *pixels*, but\n// a widget's legibility is about *points*. The same physical widget rendered\n// at @3x has 3x the pixels, and an absolute floor let those extra pixels buy\n// extra rows instead of sharper text. Measured under the old absolute floor,\n// the same medium widget showed 2 games at 329x155 (19pt matchup line) and 8\n// games at 987x465 (7pt) — pixel density silently changing how much content\n// a widget holds, and shrinking the text to a size this design exists to\n// avoid. Multiplying by widthScale makes the floor track the render density,\n// so a given physical widget shows the same games at 1x, 2x and 3x.\n//\n// 0.43 is a deliberate trade made by the user, calibrated at 329x155 where\n// widthScale is exactly 1.0 and this therefore still means an absolute 0.43\n// (≈19px matchup line): it fits 2 games instead of 1 at the default medium\n// widget size. Raise it toward 0.6 if the smaller line turns out to be hard\n// to read at a glance.\n//\n// Not 0.44: two games at 329x155 need exactly 153/348 = 0.4397, so a 0.44\n// floor rejects the second game by four ten-thousandths and silently gives\n// back the one-game layout. The margin here is genuinely that thin — change\n// this value by re-rendering and counting games, not by reasoning about it.\nexport const MIN_SCALE = 0.43;\nconst MAX_SCALE = 6;\n\nexport type PngLayout = {\n shown: number;\n hidden: number;\n scale: number;\n padding: number;\n gap: number;\n rowGap: number;\n headerFontSize: number;\n matchupFontSize: number;\n timeFontSize: number;\n moreFontSize: number;\n};\n\n// Chooses how many games can be drawn at a legible size in the given\n// canvas, and the scale to draw them at. Never returns a count that\n// overflows: the previous version floored the scale at MIN_SCALE and\n// rendered every game regardless, so a 4-game slate at 329x155 produced\n// ~1.8x more content than canvas, centered — clipping the top matchup and\n// dropping the last game off the bottom with no indication either was lost.\n//\n// `count` must be the size of the WHOLE slate, not a pre-truncated slice:\n// `hidden` is derived from it, so passing an already-capped count makes the\n// \"+N more\" line undercount and games disappear unannounced — the same\n// failure, just moved. Use `maxShown` for any hard ceiling on rendered rows.\n// `noteRows` budgets any extra single-line rows the renderer will draw below\n// the games (currently just the \"! N ignored\" drift marker). They must be\n// declared here rather than appended by the caller: the marker was first\n// drawn outside this budget and immediately ate the bottom padding on a\n// medium canvas, where chrome + 2 rows + \"+N more\" already fills the height\n// exactly. That is the clipping bug this function exists to prevent.\nexport function pngLayout(\n width: number,\n height: number,\n count: number,\n maxShown = Infinity,\n noteRows = 0,\n): PngLayout {\n const widthScale = Math.min(width / BASE_WIDTH, MAX_SCALE);\n const usable = height - BORDER_HEIGHT;\n\n // Relative to the canvas, so the floor means the same physical text size\n // whatever density the caller renders at. At BASE_WIDTH this is exactly\n // MIN_SCALE, which is where the 0.43 trade was calibrated.\n const minScale = MIN_SCALE * widthScale;\n\n const budget = (rows: number, withMore: boolean) =>\n CHROME_HEIGHT + rows * ROW_HEIGHT + (withMore ? MORE_ROW_HEIGHT : 0) + noteRows * MORE_ROW_HEIGHT;\n\n const scaleFor = (rows: number, withMore: boolean) => Math.min(widthScale, usable / budget(rows, withMore));\n\n let shown = 0;\n for (let n = Math.min(count, maxShown); n >= 1; n--) {\n if (scaleFor(n, n < count) >= minScale) {\n shown = n;\n break;\n }\n }\n\n // A canvas too small for even one legible row still shows that one game,\n // shrunk below the floor. A clipped matchup reads as wrong; a small one\n // only reads as small.\n const forced = count > 0 && shown === 0;\n if (forced) shown = 1;\n\n const hidden = count - shown;\n const scale = forced\n ? Math.min(widthScale, usable / budget(1, hidden > 0))\n : Math.max(scaleFor(shown, hidden > 0), minScale);\n\n return {\n shown,\n hidden,\n scale,\n padding: Math.round(24 * scale),\n gap: Math.round(20 * scale),\n rowGap: Math.round(4 * scale),\n headerFontSize: Math.round(22 * scale),\n matchupFontSize: Math.round(44 * scale),\n timeFontSize: Math.round(28 * scale),\n moreFontSize: Math.round(24 * scale),\n };\n}\n\nexport async function fetchScores(date: string, sports: string[] = SPORTS): Promise {\n const url = new URL(\"https://api.sleeper.app/scores\");\n for (const sport of sports) url.searchParams.append(\"sports[]\", sport);\n url.searchParams.set(\"date\", date);\n\n const res = await fetch(url);\n if (!res.ok) throw new Error(`Sleeper /scores returned ${res.status}`);\n return (await res.json()) ?? 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Diff · v29