\n \n \n \n","label",[187,69],"frontend","pulls","branches","forks","envVars",{"_195":26,"_197":26},"connections",{"_195":26,"_196":26},"count","unfilledCount","emptyCount",{"_34":299,"_13":187,"_67":178,"_44":-5,"_36":37,"_179":41,"_180":105,"_38":300,"_40":26,"_70":296,"_183":-5,"_71":24,"_185":-5,"_216":301,"_17":302},{"_34":294,"_13":262,"_67":256,"_44":178,"_36":37,"_179":41,"_180":105,"_38":295,"_40":26,"_70":296,"_183":-5,"_71":24,"_185":-5,"_216":297,"_17":298},{"_34":287,"_13":288,"_67":289,"_44":256,"_36":37,"_179":128,"_180":105,"_38":290,"_40":182,"_70":231,"_183":291,"_71":24,"_185":-5,"_216":292,"_17":293},{"_34":279,"_13":280,"_67":281,"_44":256,"_36":37,"_179":282,"_180":105,"_38":283,"_40":26,"_70":231,"_183":284,"_71":24,"_185":-5,"_216":285,"_17":286},{"_34":271,"_13":272,"_67":273,"_44":256,"_36":37,"_179":274,"_180":105,"_38":275,"_40":26,"_70":231,"_183":276,"_71":24,"_185":-5,"_216":277,"_17":278},{"_34":263,"_13":264,"_67":265,"_44":256,"_36":37,"_179":266,"_180":105,"_38":267,"_40":41,"_70":231,"_183":268,"_71":24,"_185":-5,"_216":269,"_17":270},{"_34":253,"_13":254,"_67":255,"_44":256,"_36":37,"_179":257,"_180":105,"_38":258,"_40":26,"_70":231,"_183":259,"_71":24,"_185":-5,"_216":260,"_17":261},{"_34":245,"_13":246,"_67":247,"_44":178,"_36":37,"_179":248,"_180":105,"_38":249,"_40":41,"_70":231,"_183":250,"_71":24,"_185":-5,"_216":251,"_17":252},{"_34":238,"_13":239,"_67":240,"_44":178,"_36":37,"_179":41,"_180":105,"_38":241,"_40":26,"_70":21,"_183":242,"_71":24,"_185":-5,"_216":243,"_17":244},{"_34":177,"_13":69,"_67":68,"_44":178,"_36":37,"_179":86,"_180":105,"_38":235,"_40":182,"_70":21,"_183":184,"_71":24,"_185":-5,"_216":236,"_17":237},{"_34":227,"_13":228,"_67":229,"_44":178,"_36":37,"_179":41,"_180":105,"_38":230,"_40":26,"_70":231,"_183":232,"_71":24,"_185":-5,"_216":233,"_17":234},{"_34":219,"_13":220,"_67":221,"_44":-5,"_36":37,"_179":222,"_180":105,"_38":223,"_40":41,"_70":21,"_183":224,"_71":24,"_185":-5,"_216":225,"_17":226},{"_34":211,"_13":212,"_67":103,"_44":-5,"_36":37,"_179":41,"_180":105,"_38":213,"_40":26,"_70":214,"_183":215,"_71":24,"_185":-5,"_216":217,"_17":218},"5ec98b67-8dfc-4a37-991c-7b3e1b13207a","index.ts",["D",1781021564206],"http","import { parseVal, serveFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { Hono } from \"npm:hono\";\n\nconst app = new Hono();\n\n// Serve index.html at the root /\napp.get(\"/\", () => serveFile(\"/frontend/index.html\"));\n\n// Serve all /frontend files\napp.get(\"/frontend/**/*\", (c) => serveFile(c.req.path));\n\n// View source redirect\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// Add your API routes here\n// app.get(\"/api/data\", c => c.json({ hello: \"world\" }));\n\n// Unwrap and rethrow Hono errors as the original error\n// If you delete this, all errors will be \"Internal Server Error\"\napp.onError((err) => Promise.reject(err));\n\n// HTTP vals expect an exported \"fetch handler\"\n// This is how you \"run the server\" in Val Town with Hono\nexport default app.fetch;\n","children",[],[212],"2e58ad34-9e5c-46bd-8033-5f5bd01e5a08","README.md","019ead28-5fd5-7414-b06f-3a397860444d",11,["D",1781021641817],"# TypeScript Diagnostics Charts\n\nA small dashboard comparing `tsc --diagnostics` output across three checkpoints:\n\n1. **Before** optimization\n2. **After** optimization\n3. **After removing octokit**\n\nEach metric is grouped (timing, memory, type-system work, source size, caches)\nand rendered as a horizontal grouped bar chart. Headline cards at the top show\nthe before → after-octokit percent change for the marquee metrics.\n\n## Architecture\n\n```mermaid\ngraph LR\n Browser -->|\"GET /\"| Hono[\"index.ts
(Hono server)\"]\n Hono -->|serves| HTML[\"index.html\"]\n HTML -->|loads| Entry[\"index.tsx\"]\n Entry -->|renders| App[\"App.tsx\"]\n App --> Headline[\"Headline.tsx\"]\n App --> Group[\"GroupSection.tsx\"]\n Group --> Bar[\"BarChart.tsx\"]\n Data[\"data.ts\"] -.-> App\n Data -.-> Headline\n Data -.-> Group\n```\n\n## File structure\n\n```\nindex.ts ← Hono backend (serves frontend)\nfrontend/\n index.html ← HTML shell (Twind + React)\n index.tsx ← React entrypoint\n data.ts ← the diagnostics numbers + metric groups\n components/\n App.tsx ← layout, header, legend\n Headline.tsx ← top summary cards with % deltas\n GroupSection.tsx ← one card per metric group\n BarChart.tsx ← horizontal grouped bar chart per metric\n format.ts ← value / percent formatting helpers\n```\n\n## Editing the data\n\nAll numbers live in [`frontend/data.ts`](/frontend/data.ts). Each metric is one\n`m(...)` call with `before`, `after`, and `afterOctokit` values plus an optional\nunit (`\"s\"` for seconds, `\"K\"` for kilobytes) and a `lowerIsBetter` flag that\ndrives the red/green delta coloring.\n",[],[220],"a3abf725-530f-4a50-807e-625ef3a9d6c7","index.tsx","019ead28-5fd5-7414-b06f-304f030a712b",["D",1781021564206],"script","/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { createRoot } from \"https://esm.sh/react-dom@18.2.0/client\";\nimport { App } from \"./components/App.tsx\";\n\nconst root = document.getElementById(\"root\");\nif (!root) {\n throw new Error(\"No root element found\");\n}\n\ncreateRoot(root).render();",[],[187,228],["D",1781021626287],[],[187,69],"01b9fc04-2785-490b-afd4-8d499986d29d","favicon.svg","019ead28-5fd5-7414-b06f-2be8e0a77b1f",["D",1781021564206],"\n",[],[187,239],"a4f613dc-ed56-4aeb-8bcb-28ad6a87e5bf","data.ts","17cb717c-641e-11f1-8f24-1607ee4eb77e",12,["D",1781022098070],"// TypeScript compiler diagnostics across four scenarios.\n// Source: `tsc --diagnostics` output provided by the user.\n\nexport type Scenario = \"before\" | \"after\" | \"afterOctokit\" | \"optimizedAgain\";\n\nexport const scenarioLabels: Record = {\n before: \"Before\",\n after: \"After optimization\",\n afterOctokit: \"After removing octokit\",\n optimizedAgain: \"After more optimization\",\n};\n\nexport const scenarioColors: Record = {\n before: \"#94a3b8\", // slate\n after: \"#3b82f6\", // blue\n afterOctokit: \"#10b981\", // emerald\n optimizedAgain: \"#8b5cf6\", // violet\n};\n\nexport const scenarioOrder: Scenario[] = [\n \"before\",\n \"after\",\n \"afterOctokit\",\n \"optimizedAgain\",\n];\n\nexport interface Metric {\n key: string;\n label: string;\n values: Record;\n unit?: string; // e.g. \"s\", \"K\"\n /** Lower is better → improvements shown in green. */\n lowerIsBetter?: boolean;\n}\n\nexport interface MetricGroup {\n title: string;\n description: string;\n metrics: Metric[];\n}\n\nexport const groups: MetricGroup[] = [\n {\n title: \"Timing\",\n description: \"Wall-clock time spent in each compiler phase (seconds).\",\n metrics: [\n m(\"totalTime\", \"Total time\", 24.50, 21.29, 21.14, 18.90, \"s\", true),\n m(\"checkTime\", \"Check time\", 17.53, 14.85, 15.87, 14.74, \"s\", true),\n m(\"programTime\", \"Program time\", 5.80, 5.54, 4.46, 3.30, \"s\", true),\n m(\"parseTime\", \"Parse time\", 2.61, 2.10, 1.49, 1.37, \"s\", true),\n m(\"bindTime\", \"Bind time\", 1.16, 0.89, 0.81, 0.86, \"s\", true),\n m(\"ioReadTime\", \"I/O Read time\", 1.70, 2.02, 1.82, 1.17, \"s\", true),\n m(\"resolveModuleTime\", \"ResolveModule time\", 1.00, 0.99, 0.80, 0.44, \"s\", true),\n ],\n },\n {\n title: \"Memory\",\n description: \"Peak memory used by the compiler (lower is better).\",\n metrics: [\n m(\"memory\", \"Memory used\", 2582158, 2684547, 3028775, 2605375, \"K\", true),\n ],\n },\n {\n title: \"Type system work\",\n description: \"Counts of types, symbols, and instantiations the checker processed.\",\n metrics: [\n m(\"types\", \"Types\", 792611, 792488, 792463, 792379, \"\", true),\n m(\"symbols\", \"Symbols\", 2727630, 2727426, 2650130, 2630848, \"\", true),\n m(\"identifiers\", \"Identifiers\", 1477296, 1477297, 1400262, 1373312, \"\", true),\n m(\"instantiations\", \"Instantiations\", 4580929, 4581919, 4580041, 4581792, \"\", true),\n ],\n },\n {\n title: \"Source size\",\n description: \"Files processed and lines of code by category.\",\n metrics: [\n m(\"files\", \"Files\", 8876, 8876, 8833, 8353, \"\", true),\n m(\"linesDefinitions\", \"Lines of Definitions\", 1198958, 1198958, 1056659, 1026970, \"\", true),\n m(\"linesTypeScript\", \"Lines of TypeScript\", 239068, 239076, 238890, 238908, \"\", true),\n m(\"linesLibrary\", \"Lines of Library\", 57917, 57917, 57917, 57917, \"\", true),\n ],\n },\n {\n title: \"Caches\",\n description: \"Sizes of the checker's internal caches.\",\n metrics: [\n m(\"assignabilityCache\", \"Assignability cache\", 349928, 349994, 349930, 349936, \"\"),\n m(\"identityCache\", \"Identity cache\", 29214, 29213, 29218, 29216, \"\"),\n m(\"subtypeCache\", \"Subtype cache\", 18909, 18910, 18961, 18953, \"\"),\n m(\"strictSubtypeCache\", \"Strict subtype cache\", 23058, 23041, 23137, 23137, \"\"),\n ],\n },\n];\n\nfunction m(\n key: string,\n label: string,\n before: number,\n after: number,\n afterOctokit: number,\n optimizedAgain: number,\n unit = \"\",\n lowerIsBetter = false,\n): Metric {\n return {\n key,\n label,\n unit,\n lowerIsBetter,\n values: { before, after, afterOctokit, optimizedAgain },\n };\n}\n",[],[187,246],"fcf7c90e-b9e7-4b2a-9c05-dddf9b155373","format.ts","1b637c4e-641e-11f1-8f24-1607ee4eb77e","019ead28-5fd5-7414-b06f-2695ebfe2d11",3,["D",1781021589640],"export function formatValue(n: number, unit = \"\"): string {\n if (unit === \"s\") return `${n.toFixed(2)}s`;\n if (unit === \"K\") {\n // Values are already in K (thousands). Show as GB-ish for readability.\n return `${(n / 1000).toLocaleString(undefined, { maximumFractionDigits: 0 })} MB`;\n }\n return n.toLocaleString();\n}\n\nexport function formatPct(delta: number): string {\n const sign = delta > 0 ? \"+\" : \"\";\n return `${sign}${delta.toFixed(1)}%`;\n}\n\n/** Percent change from `from` to `to`. */\nexport function pctChange(from: number, to: number): number {\n if (from === 0) return 0;\n return ((to - from) / from) * 100;\n}\n",[],[187,262,254],"components","afdd4793-aa56-49c6-9018-257eacf767e8","Headline.tsx","2688d9ac-641e-11f1-830c-1607ee4eb77e",13,["D",1781022110478],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { groups, scenarioOrder } from \"../data.ts\";\nimport { formatPct, formatValue, pctChange } from \"./format.ts\";\n\nconst headlineKeys = [\"totalTime\", \"checkTime\", \"memory\", \"linesDefinitions\"];\n\n// Compare the first scenario against the most recent one.\nconst firstScenario = scenarioOrder[0];\nconst latestScenario = scenarioOrder[scenarioOrder.length - 1];\n\n/** Top-row cards: before → latest deltas for the marquee metrics. */\nexport function Headline() {\n const all = groups.flatMap((g) => g.metrics);\n const cards = headlineKeys\n .map((k) => all.find((m) => m.key === k))\n .filter((m): m is NonNullable => Boolean(m));\n\n return (\n

\n {cards.map((m) => {\n const from = m.values[firstScenario];\n const to = m.values[latestScenario];\n const delta = pctChange(from, to);\n const improved = m.lowerIsBetter ? delta < 0 : delta > 0;\n const neutral = Math.abs(delta) < 0.05;\n return (\n

{m.label}

\n {formatValue(to, m.unit ?? \"\")}\n

\n \n {neutral ? \"no change\" : `${formatPct(delta)} vs before`}\n

\n );\n })}\n \n );\n}\n",[],[187,262,264],"db14849d-f84b-4dcf-b174-9f8771781165","GroupSection.tsx","296a617c-641e-11f1-b57c-1607ee4eb77e",6,["D",1781021613172],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { type MetricGroup } from \"../data.ts\";\nimport { BarChart } from \"./BarChart.tsx\";\n\nexport function GroupSection({ group }: { group: MetricGroup }) {\n return (\n

{group.title}

{group.description}

\n {group.metrics.map((metric) => (\n \n ))}\n

\n );\n}\n",[],[187,262,272],"6edb5617-b98d-40f1-83ec-acce5cab9e42","BarChart.tsx","2136bf96-641e-11f1-8f24-1607ee4eb77e",4,["D",1781021599405],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport {\n type Metric,\n type Scenario,\n scenarioColors,\n scenarioLabels,\n scenarioOrder,\n} from \"../data.ts\";\nimport { formatValue } from \"./format.ts\";\n\n/**\n * A horizontal grouped bar chart for a single metric: one bar per scenario,\n * each scaled to the max value across the three scenarios. Pure SVG/HTML so\n * there are no chart-library dependencies.\n */\nexport function BarChart({ metric }: { metric: Metric }) {\n const max = Math.max(...scenarioOrder.map((s) => metric.values[s]));\n\n return (\n

{metric.label}

\n {scenarioOrder.map((s) => (\n \n ))}\n

\n );\n}\n\nfunction Bar({\n scenario,\n value,\n max,\n unit,\n}: {\n scenario: Scenario;\n value: number;\n max: number;\n unit: string;\n}) {\n const widthPct = max === 0 ? 0 : (value / max) * 100;\n return (\n

\n {scenarioLabels[scenario]}\n

\n \n

\n {formatValue(value, unit)}\n

\n );\n}\n",[],[187,262,280],"cbab8877-0d9e-472c-a6ef-0d40e44298e2","App.tsx","019ead28-5fd3-7123-b0be-660889c4f344",["D",1781022114785],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\nimport { groups, scenarioColors, scenarioLabels, scenarioOrder } from \"../data.ts\";\nimport { Headline } from \"./Headline.tsx\";\nimport { GroupSection } from \"./GroupSection.tsx\";\n\nexport function App() {\n return (\n

TypeScript Diagnostics

\n Compiler stats across four checkpoints: before optimization, after\n optimization, after removing octokit, and after a further round of\n optimization.\n

\n \n

\n\n \n\n

\n {groups.map((group) => )}\n

\n\n \n

\n );\n}\n\nfunction Legend() {\n return (\n

\n {scenarioOrder.map((s) => (\n

\n \n {scenarioLabels[s]}\n

\n ))}\n

\n );\n}\n",[],[187,262,288],"198e253d-534d-4c53-88a9-d1007d9f71e2",["D",1781021564206],"directory",[200,201,202,203,204],[187,262],"5e0de2de-6ba3-4faa-8dbb-991b354542e7",["D",1781021564206],[199,205,206,207,208],[187],["D",1781021564206],{"_11":12,"_144":74},{"_11":12,"_140":-5,"_73":74,"_30":72,"_141":142,"_143":24},{"_40":128,"_13":16,"_34":37,"_129":92,"_130":64,"_131":132,"_133":96,"_134":135,"_136":137,"_138":14,"_139":12},"ctx",{"_53":-5,"_165":340,"_341":342,"_343":344,"_345":24,"_346":24,"_347":24,"_348":105,"_349":-5,"_350":-7,"_351":-7,"_352":26,"_353":24,"_354":24,"_355":-5,"_356":24,"_357":24,"_358":24,"_359":-5},"ENV",{"_311":312,"_313":314,"_315":16,"_316":317,"_318":319,"_320":321,"_322":323,"_324":325,"_326":327,"_328":329,"_330":331,"_332":333,"_334":335,"_336":337,"_338":339},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

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