[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_283":284,"_285":286},"routes/_app.x.$handle.$name",{"_11":12,"_13":14,"_15":16,"_18":19,"_17":-7,"_214":-5,"_20":215,"_22":216,"_217":218,"_219":220,"_26":221,"_24":222,"_223":-5,"_224":-5,"_225":55,"_226":227,"_228":46,"_229":-5,"_230":-5,"_231":232},"routes/_app.x.$handle.$name.branch.$branch.code.$",{"_11":12,"_13":14,"_15":16,"_17":-7,"_18":19,"_20":21,"_22":23,"_24":25,"_26":27,"_28":-5,"_29":-5,"_30":-5,"_31":-5,"_32":-5},"handle","nmsilva","name","esp32-sensors","branchName","main","version","path","fake","project",{"_34":157,"_13":14,"_47":158,"_159":-5,"_160":55,"_161":162,"_163":162,"_164":-5,"_165":-5,"_166":167,"_168":-5,"_169":55,"_170":-5,"_171":-5,"_172":173,"_174":175,"_176":177,"_178":179,"_180":181,"_182":-5,"_183":184,"_185":184,"_186":187,"_188":187,"_189":187,"_190":184,"_191":184,"_192":193,"_194":195,"_196":197,"_198":55},"tree",[64,65,66,67,68,69],"file",{"_34":58,"_13":19,"_37":40,"_39":-5,"_41":42,"_43":59,"_45":46,"_47":60,"_17":61,"_50":62,"_52":-5,"_54":55,"_56":-5,"_18":63},"contents",[33],"upstream","pull","ahead","behind","envVars",{"_34":35,"_13":36,"_37":38,"_39":40,"_41":42,"_43":44,"_45":46,"_47":48,"_17":49,"_50":51,"_52":53,"_54":55,"_56":-5,"_18":57},"id","0a012960-126b-11f1-9236-42dde27851f2","fake_sensors_valtown.ts","fileId","f612b0a4-126a-11f1-9ddb-42dde27851f2","parentId","f23bf454-126a-11f1-b98f-42dde27851f2","branchId","60c1671a-0d84-11f1-9715-42dde27851f2","branchVersion",51,"latest",true,"createdAt",["D",1772038636368],3,"fileType","interval","content","/**\n * fake_sensors_valtown.ts — Val Town scheduled val\n *\n * Simulates N ESP32-like sensors posting to the data endpoint.\n * Deploy as a Val Town **cron** val (e.g. every 5 minutes).\n *\n * Val Town docs: https://docs.val.town/types/cron/\n */\n\nconst DATA_URL =\n \"https://nmsilva--60c307fa0d8411f1971542dde27851f2.web.val.run\";\nconst ACCESS_KEY = \"b31c58a5-75b8-4b93-9e4a-51cf5204cf24\";\n\nconst SENSOR_COUNT = 3;\n\n// Build sensor port identifiers: GPIO4, GPIO5, GPIO6, …\nconst sensors = Array.from({ length: SENSOR_COUNT }, (_, i) => `GPIO${4 + i}`);\n\nfunction randomBetween(min: number, max: number): number {\n return Math.round((Math.random() * (max - min) + min) * 10) / 10;\n}\n\nasync function sendReading(port: string): Promise {\n const payload = {\n access_key: ACCESS_KEY,\n port,\n temperature: randomBetween(20, 25),\n humidity: randomBetween(50, 60),\n };\n\n const res = await fetch(DATA_URL, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify(payload),\n });\n const data = await res.json();\n console.log(\n `[${new Date().toISOString()}] ${port} ${res.status} ` +\n `temp=${payload.temperature}°C hum=${payload.humidity}% →`,\n data,\n );\n}\n\n// Val Town cron entry point — export a default async function\nexport default async function (): Promise {\n console.log(`Simulating ${SENSOR_COUNT} sensor(s): ${sensors.join(\", \")}`);\n console.log(`Target: ${DATA_URL}`);\n\n await Promise.all(sensors.map(sendReading));\n\n 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@ts-ignore — npm: specifier resolved by Val Town's Deno runtime\nimport { sqlite } from \"https://esm.town/v/stevekrouse/sqlite\";\n\nconst ACCESS_KEY = \"b31c58a5-75b8-4b93-9e4a-51cf5204cf24\";\n\nexport default async function (req) {\n // Only accept POST\n if (req.method !== \"POST\") {\n return Response.json({ error: \"Method not allowed\" }, { status: 405 });\n }\n\n let body;\n try {\n body = await req.json();\n } catch {\n return Response.json({ error: \"Invalid JSON body\" }, { status: 400 });\n }\n\n console.log(body);\n\n const { access_key, port, temperature, humidity } = body;\n\n // Validate access key\n if (access_key !== ACCESS_KEY) {\n return Response.json({ error: \"Unauthorized\" }, { status: 401 });\n }\n\n // Validate required fields\n if (!port || temperature == null || humidity == null) {\n return Response.json(\n { error: \"Missing required fields: port, temperature, humidity\" },\n { status: 400 },\n );\n }\n\n // ── Table creation (runs on every cold start) ──────────────────────────────\n\n // Sensors lookup table\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS sensors (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n name TEXT NOT NULL,\n port TEXT NOT NULL UNIQUE,\n created_at TEXT NOT NULL DEFAULT (datetime('now'))\n )\n `);\n\n // Sensor readings table (original schema, kept for cold-start idempotency)\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS sensor_readings (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n port TEXT NOT NULL,\n temperature REAL NOT NULL,\n humidity REAL NOT NULL,\n recorded_at TEXT NOT NULL DEFAULT (datetime('now'))\n )\n `);\n\n // ── One-time migration: add sensor_id column if not present ────────────────\n const tableInfo = await sqlite.execute(`PRAGMA table_info(sensor_readings)`);\n const columns = tableInfo.rows.map((r: unknown[]) => r[1]); // column index 1 = name\n\n if (!columns.includes(\"sensor_id\")) {\n // Back-fill sensors from distinct ports already in the table\n await sqlite.execute(`\n INSERT OR IGNORE INTO sensors (name, port)\n SELECT DISTINCT port, port FROM sensor_readings\n `);\n // Add sensor_id column\n await sqlite.execute(\n `ALTER TABLE sensor_readings ADD COLUMN sensor_id INTEGER`,\n );\n // Back-fill sensor_id on existing rows\n await sqlite.execute(`\n UPDATE sensor_readings\n SET sensor_id = (SELECT id FROM sensors WHERE port = sensor_readings.port)\n `);\n }\n\n // ── Upsert sensor and resolve its id ──────────────────────────────────────\n await sqlite.execute(\n `INSERT OR IGNORE INTO sensors (name, port) VALUES (?, ?)`,\n [port, port],\n );\n const sensorRow = await sqlite.execute(\n `SELECT id FROM sensors WHERE port = ?`,\n [port],\n );\n const sensor_id = sensorRow.rows[0][0];\n\n // ── Insert reading ─────────────────────────────────────────────────────────\n await sqlite.execute(\n `INSERT INTO sensor_readings (sensor_id, port, temperature, humidity)\n VALUES (?, ?, ?, ?)`,\n [sensor_id, port, temperature, humidity],\n );\n\n return Response.json({ ok: true }, { status: 201 });\n}","children",[],[71],"e60cad56-1259-11f1-92e8-42dde27851f2","configs.ts","45acae50-0e8b-11f1-8f1e-42dde27851f2",29,["D",1772031274607],"// Learn more: https://docs.val.town/vals/http/\nexport default async function (req: Request): Promise {\n return Response.json({\n \"send_interval\": 30000,\n \"sensor_pins\": [4],\n \"access_key\": \"b31c58a5-75b8-4b93-9e4a-51cf5204cf24\",\n \"data_url\": \"https://nmsilva--60c307fa0d8411f1971542dde27851f2.web.val.run\",\n });\n}",[],[82],"7d001726-1263-11f1-9203-42dde27851f2","api.ts","70f64edc-0e8a-11f1-840f-42dde27851f2",30,["D",1772035393325],"// @ts-ignore — npm: specifier resolved by Val Town's Deno runtime\nimport { sqlite } from \"https://esm.town/v/stevekrouse/sqlite\";\n// @ts-ignore — npm: specifier resolved by Val Town's Deno runtime\nimport { cors } from \"npm:hono/cors\";\n// @ts-ignore — npm: specifier resolved by Val Town's Deno runtime\nimport { Hono } from \"npm:hono@4.0.8\";\n\nconst ACCESS_KEY = \"b31c58a5-75b8-4b93-9e4a-51cf5204cf24\";\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nconst app = new Hono();\n\napp.use(\"*\", cors());\n\n// Returns a positive integer or null if raw is not a valid id\nfunction parseId(raw: string): number | null {\n const n = parseInt(raw, 10);\n return Number.isInteger(n) && n > 0 && String(n) === raw ? n : null;\n}\n\n// GET /sensors\napp.get(\"/sensors\", async (c: any) => {\n const { rows } = await sqlite.execute(\n `SELECT id, name, port, created_at FROM sensors ORDER BY id ASC`,\n );\n return c.json(\n rows.map((r: unknown[]) => ({\n id: r[0],\n name: r[1],\n port: r[2],\n created_at: r[3],\n })),\n );\n});\n\n// GET /sensors/:id\napp.get(\"/sensors/:id\", async (c: any) => {\n const id = parseId(c.req.param(\"id\"));\n if (id === null) return c.json({ error: \"Invalid sensor id\" }, 400);\n\n const { rows } = await sqlite.execute(\n `SELECT id, name, port, created_at FROM sensors WHERE id = ?`,\n [id],\n );\n if (rows.length === 0) return c.json({ error: \"Sensor not found\" }, 404);\n\n const r = rows[0] as unknown[];\n return c.json({ id: r[0], name: r[1], port: r[2], created_at: r[3] });\n});\n\n// PATCH /sensors/:id\napp.patch(\"/sensors/:id\", async (c: any) => {\n const id = parseId(c.req.param(\"id\"));\n if (id === null) return c.json({ error: \"Invalid sensor id\" }, 400);\n\n let body: Record;\n try {\n body = await c.req.json();\n } catch {\n return c.json({ error: \"Invalid JSON body\" }, 400);\n }\n\n if (body.access_key !== ACCESS_KEY) {\n return c.json({ error: \"Unauthorized\" }, 401);\n }\n if (!body.name) {\n return c.json({ error: \"Missing required field: name\" }, 400);\n }\n\n const check = await sqlite.execute(`SELECT id FROM sensors WHERE id = ?`, [\n id,\n ]);\n if (check.rows.length === 0) {\n return c.json({ error: \"Sensor not found\" }, 404);\n }\n\n await sqlite.execute(`UPDATE sensors SET name = ? WHERE id = ?`, [\n body.name,\n id,\n ]);\n\n const { rows } = await sqlite.execute(\n `SELECT id, name, port, created_at FROM sensors WHERE id = ?`,\n [id],\n );\n const r = rows[0] as unknown[];\n return c.json({ id: r[0], name: r[1], port: r[2], created_at: r[3] });\n});\n\n// DELETE /sensors/:id\napp.delete(\"/sensors/:id\", async (c: any) => {\n const id = parseId(c.req.param(\"id\"));\n if (id === null) return c.json({ error: \"Invalid sensor id\" }, 400);\n\n let body: Record;\n try {\n body = await c.req.json();\n } catch {\n return c.json({ error: \"Invalid JSON body\" }, 400);\n }\n\n if (body.access_key !== ACCESS_KEY) {\n return c.json({ error: \"Unauthorized\" }, 401);\n }\n\n const check = await sqlite.execute(`SELECT id FROM sensors WHERE id = ?`, [\n id,\n ]);\n if (check.rows.length === 0) {\n return c.json({ error: \"Sensor not found\" }, 404);\n }\n\n const countResult = await sqlite.execute(\n `SELECT COUNT(*) FROM sensor_readings WHERE sensor_id = ?`,\n [id],\n );\n const readings_removed = (countResult.rows[0] as unknown[])[0];\n\n await sqlite.execute(`DELETE FROM sensor_readings WHERE sensor_id = ?`, [id]);\n await sqlite.execute(`DELETE FROM sensors WHERE id = ?`, [id]);\n\n return c.json({ deleted: { sensor_id: id, readings_removed } });\n});\n\n// GET /sensors/:id/readings\napp.get(\"/sensors/:id/readings\", async (c: any) => {\n const id = parseId(c.req.param(\"id\"));\n if (id === null) return c.json({ error: \"Invalid sensor id\" }, 400);\n\n const check = await sqlite.execute(`SELECT id FROM sensors WHERE id = ?`, [\n id,\n ]);\n if (check.rows.length === 0) {\n return c.json({ error: \"Sensor not found\" }, 404);\n }\n\n const rawLimit = c.req.query(\"limit\");\n const limit = rawLimit\n ? Math.min(Math.max(parseInt(rawLimit, 10) || 100, 1), 500)\n : 100;\n\n const { rows } = await sqlite.execute(\n `SELECT id, sensor_id, port, temperature, humidity, recorded_at\n FROM sensor_readings\n WHERE sensor_id = ?\n ORDER BY recorded_at DESC\n LIMIT ?`,\n [id, limit],\n );\n return c.json(\n rows.map((r: unknown[]) => ({\n id: r[0],\n sensor_id: r[1],\n port: r[2],\n temperature: r[3],\n humidity: r[4],\n recorded_at: r[5],\n })),\n );\n});\n\nexport default app.fetch;",[],[90],"ebf97ee6-1273-11f1-af25-42dde27851f2","web","ea4d9618-1273-11f1-a347-42dde27851f2",63,["D",1772042451459],[104,105,106],[98],{"_34":124,"_13":125,"_37":126,"_39":99,"_41":42,"_43":127,"_45":46,"_47":128,"_17":129,"_50":76,"_52":130,"_54":55,"_56":-5,"_78":131,"_18":132},{"_34":116,"_13":117,"_37":118,"_39":99,"_41":42,"_43":119,"_45":46,"_47":120,"_17":75,"_50":76,"_52":121,"_54":55,"_56":-5,"_78":122,"_18":123},{"_34":107,"_13":108,"_37":109,"_39":99,"_41":42,"_43":110,"_45":46,"_47":111,"_17":112,"_50":76,"_52":113,"_54":55,"_56":-5,"_78":114,"_18":115},"f16ff4ae-1273-11f1-bd3b-42dde27851f2","sensors.tsx","7cb0ad98-1269-11f1-9769-42dde27851f2",66,["D",1772042460619],8,"/** @jsxImportSource https://esm.sh/react */\nimport React, { useCallback, useEffect, useState } from \"https://esm.sh/react\";\nimport { createRoot } from \"https://esm.sh/react-dom/client\";\n\nconst BASE_URL =\n \"https://nmsilva--70f64edc0e8a11f1840f42dde27851f2.web.val.run\";\nconst DASHBOARD_URL =\n \"https://nmsilva--915ee1020e8a11f1964f42dde27851f2.web.val.run\";\nconst SENSOR_EDIT_URL =\n \"https://nmsilva--63355eea127311f19e2442dde27851f2.web.val.run\";\nconst POLL_INTERVAL_MS = 60_000;\n\ntype Sensor = {\n id: number;\n name: string;\n port: string;\n created_at: string;\n};\n\nfunction formatDate(created_at: string) {\n const d = new Date(created_at + \"Z\");\n return d.toLocaleDateString([], {\n day: \"numeric\",\n month: \"short\",\n year: \"numeric\",\n });\n}\n\nfunction SensorCard({ sensor }: { sensor: Sensor }) {\n return (\n

\n {sensor.name}\n

\n \n {sensor.port}\n \n \n registered {formatDate(sensor.created_at)}\n \n

\n \n Edit\n \n \n View Dashboard →\n \n

\n );\n}\n\nfunction App() {\n const [sensors, setSensors] = useState(null);\n const [lastUpdated, setLastUpdated] = useState(null);\n const [error, setError] = useState(null);\n\n const fetchSensors = useCallback(async () => {\n try {\n const res = await fetch(`${BASE_URL}/sensors`);\n if (!res.ok) throw new Error(`HTTP ${res.status}`);\n const data: Sensor[] = await res.json();\n setSensors(data);\n setLastUpdated(new Date());\n setError(null);\n } catch (e: any) {\n setError(e.message);\n }\n }, []);\n\n useEffect(() => {\n fetchSensors();\n const id = setInterval(fetchSensors, POLL_INTERVAL_MS);\n return () => clearInterval(id);\n }, [fetchSensors]);\n\n return (\n

\n {/* Header */}\n

ESP32 Sensors

\n {sensors === null\n ? \"Loading…\"\n : `${sensors.length} sensor${\n sensors.length !== 1 ? \"s\" : \"\"\n } registered`}\n

\n {lastUpdated\n ? (\n <>\n Last updated\n
\n {lastUpdated.toLocaleTimeString()}\n \n )\n : (\n \"Loading…\"\n )}\n

\n\n {/* Error banner */}\n {error && (\n

\n ❌ {error}\n

\n )}\n\n {/* Sensor list */}\n {sensors === null\n ?

Loading…

\n : sensors.length === 0\n ? (\n

\n No sensors registered yet.\n

\n )\n : (\n

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

\n )}\n

\n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\n\nif (typeof document !== \"undefined\") {\n client();\n}\n\nexport default async function server(request: Request): Promise {\n return new Response(\n `\n \n \n ESP32 Sensors\n \n \n \n \n

\n \n \n \n \n `,\n { headers: { \"Content-Type\": \"text/html\" } },\n );\n}",[],[98,108],"ef8dadb6-1273-11f1-8f41-42dde27851f2","sensor-edit.tsx","63355eea-1273-11f1-9e24-42dde27851f2",65,["D",1772042457447],"/** @jsxImportSource https://esm.sh/react */\nimport React, { useEffect, useState } from \"https://esm.sh/react\";\nimport { createRoot } from \"https://esm.sh/react-dom/client\";\n\nconst BASE_URL =\n \"https://nmsilva--70f64edc0e8a11f1840f42dde27851f2.web.val.run\";\nconst SENSORS_URL =\n \"https://nmsilva--7cb0ad98126911f1976942dde27851f2.web.val.run\";\n\ntype Sensor = {\n id: number;\n name: string;\n port: string;\n created_at: string;\n};\n\nfunction formatDate(created_at: string) {\n const d = new Date(created_at + \"Z\");\n return d.toLocaleDateString([], {\n day: \"numeric\",\n month: \"short\",\n year: \"numeric\",\n });\n}\n\nfunction App() {\n const sensorId = new URLSearchParams(window.location.search).get(\"sensorId\");\n\n const [sensor, setSensor] = useState(null);\n const [loadError, setLoadError] = useState(null);\n\n // Edit form state\n const [editName, setEditName] = useState(\"\");\n const [editKey, setEditKey] = useState(\"\");\n const [saving, setSaving] = useState(false);\n const [saveError, setSaveError] = useState(null);\n const [saveSuccess, setSaveSuccess] = useState(false);\n\n // Delete section state\n const [deleteKey, setDeleteKey] = useState(\"\");\n const [deleting, setDeleting] = useState(false);\n const [deleteError, setDeleteError] = useState(null);\n\n useEffect(() => {\n if (!sensorId) return;\n fetch(`${BASE_URL}/sensors/${sensorId}`)\n .then((r) => (r.ok ? r.json() : Promise.reject(`HTTP ${r.status}`)))\n .then((data) => {\n setSensor(data);\n setEditName(data.name);\n setLoadError(null);\n })\n .catch((e) => setLoadError(String(e)));\n }, [sensorId]);\n\n async function handleSave() {\n setSaving(true);\n setSaveError(null);\n try {\n const res = await fetch(`${BASE_URL}/sensors/${sensorId}`, {\n method: \"PATCH\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ access_key: editKey, name: editName }),\n });\n const data = await res.json();\n if (!res.ok) throw new Error(data.error ?? `HTTP ${res.status}`);\n setSensor(data);\n setSaveSuccess(true);\n setTimeout(() => setSaveSuccess(false), 3000);\n } catch (e: any) {\n setSaveError(e.message);\n } finally {\n setSaving(false);\n }\n }\n\n async function handleDelete() {\n setDeleting(true);\n setDeleteError(null);\n try {\n const res = await fetch(`${BASE_URL}/sensors/${sensorId}`, {\n method: \"DELETE\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ access_key: deleteKey }),\n });\n const data = await res.json();\n if (!res.ok) throw new Error(data.error ?? `HTTP ${res.status}`);\n window.location.href = SENSORS_URL;\n } catch (e: any) {\n setDeleteError(e.message);\n setDeleting(false);\n }\n }\n\n if (!sensorId) {\n return (\n

\n Missing sensorId query parameter.\n

\n \n ← Back to Sensors\n \n

\n );\n }\n\n return (\n

\n {/* Back link */}\n \n ← Back to Sensors\n \n\n {/* Loading state */}\n {!sensor && !loadError && (\n

Loading…

\n )}\n\n {/* Load error */}\n {loadError && (\n

\n ❌ {loadError}\n

\n )}\n\n {sensor && (\n <>\n {/* Header */}\n

\n {sensor.name}\n

\n \n {sensor.port}\n \n \n registered {formatDate(sensor.created_at)}\n \n

\n\n {/* Edit section */}\n

\n \n Edit sensor\n \n\n

\n Name\n setEditName(e.target.value)}\n className=\"w-full rounded-lg bg-gray-900 border border-gray-600 text-white px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500\"\n />\n

\n\n

\n Access key\n setEditKey(e.target.value)}\n placeholder=\"••••••••\"\n className=\"w-full rounded-lg bg-gray-900 border border-gray-600 text-white px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500\"\n />\n

\n\n {saveSuccess && (\n

\n ✓ Saved!\n

\n )}\n {saveError && (\n

\n ❌ {saveError}\n

\n )}\n\n \n {saving ? \"Saving…\" : \"Save changes\"}\n \n

\n\n {/* Delete section */}\n

\n \n Danger zone\n \n

\n Deletes the sensor and all its readings. This cannot be undone.\n

\n\n

\n Access key\n setDeleteKey(e.target.value)}\n placeholder=\"••••••••\"\n className=\"w-full rounded-lg bg-gray-900 border border-gray-600 text-white px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-red-500\"\n />\n

\n\n {deleteError && (\n

\n ❌ {deleteError}\n

\n )}\n\n \n {deleting ? \"Deleting…\" : \"Delete sensor\"}\n \n

\n \n )}\n

\n \n \n \n \n `,\n { headers: { \"Content-Type\": \"text/html\" } },\n );\n}",[],[98,117],"ee337c34-1273-11f1-b64c-42dde27851f2","dashboard.tsx","915ee102-0e8a-11f1-964f-42dde27851f2",64,["D",1772042455177],13,"/** @jsxImportSource https://esm.sh/react */\nimport React, { useCallback, useEffect, useState } from \"https://esm.sh/react\";\nimport { createRoot } from \"https://esm.sh/react-dom/client\";\nimport {\n CartesianGrid,\n Legend,\n Line,\n LineChart,\n ResponsiveContainer,\n Tooltip,\n XAxis,\n YAxis,\n} from \"https://esm.sh/recharts\";\n\nconst BASE_URL =\n \"https://nmsilva--70f64edc0e8a11f1840f42dde27851f2.web.val.run\";\nconst SENSORS_URL =\n \"https://nmsilva--7cb0ad98126911f1976942dde27851f2.web.val.run\";\nconst POLL_INTERVAL_MS = 10_000;\n\nfunction formatTime(recorded_at: string) {\n const d = new Date(recorded_at + \"Z\"); // treat as UTC\n return d.toLocaleTimeString([], {\n hour: \"2-digit\",\n minute: \"2-digit\",\n second: \"2-digit\",\n });\n}\n\nfunction StatCard({\n label,\n value,\n unit,\n color,\n}: {\n label: string;\n value: number | null;\n unit: string;\n color: string;\n}) {\n return (\n

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\n );\n}\n\nfunction App() {\n const sensorId = new URLSearchParams(window.location.search).get(\"sensorId\");\n\n const [sensorName, setSensorName] = useState(null);\n const [readings, setReadings] = useState([]);\n const [lastUpdated, setLastUpdated] = useState(null);\n const [error, setError] = useState(null);\n\n useEffect(() => {\n if (!sensorId) return;\n fetch(`${BASE_URL}/sensors/${sensorId}`)\n .then((r) => (r.ok ? r.json() : Promise.reject(`HTTP ${r.status}`)))\n .then((data) => setSensorName(data.name ?? data.port ?? null))\n .catch((e) => setError(String(e)));\n }, [sensorId]);\n\n const fetchData = useCallback(async () => {\n if (!sensorId) return;\n try {\n const res = await fetch(`${BASE_URL}/sensors/${sensorId}/readings`);\n if (!res.ok) throw new Error(`HTTP ${res.status}`);\n const data = await res.json();\n\n // Normalise: val town sqlite returns { columns, rows } or plain array\n let rows: any[] = [];\n if (Array.isArray(data)) {\n rows = data;\n } else if (data.rows) {\n // { columns: [...], rows: [[...], ...] }\n rows = data.rows;\n }\n\n // Sort ascending by recorded_at, keep last 50 points\n rows.sort((a, b) => a.recorded_at?.localeCompare(b.recorded_at));\n setReadings(rows.slice(-50));\n setLastUpdated(new Date());\n setError(null);\n } catch (e: any) {\n setError(e.message);\n }\n }, [sensorId]);\n\n useEffect(() => {\n fetchData();\n const id = setInterval(fetchData, POLL_INTERVAL_MS);\n return () => clearInterval(id);\n }, [fetchData]);\n\n if (!sensorId) {\n return (\n

\n Missing sensorId query parameter.\n

\n );\n }\n\n const latest = readings.at(-1);\n\n const chartData = readings.map((r) => ({\n time: formatTime(r.recorded_at),\n temperature: Number(r.temperature),\n humidity: Number(r.humidity),\n }));\n\n console.log({ chartData, readings });\n\n return (\n

\n {/* Back link */}\n \n ← Back to Sensors\n \n\n {/* Header */}\n

\n ESP32 Sensor Dashboard\n

\n {sensorName ?? latest?.port ?? \"—\"} · auto-refresh every{\" \"}\n {POLL_INTERVAL_MS / 1000}s\n

\n {lastUpdated\n ? (\n <>\n Last updated\n
\n {lastUpdated.toLocaleTimeString()}\n \n )\n : (\n \"Loading…\"\n )}\n

\n\n {/* Error banner */}\n {error && (\n

\n ❌ {error}\n

\n )}\n\n {/* Stat cards */}\n

\n \n \n

\n \n Readings\n \n \n {readings.length}\n \n

\n\n {/* Chart */}\n

\n History\n

\n {readings.length === 0\n ? (\n

\n No data yet…\n

\n )\n : (\n \n \n \n \n \n \n \n \n \n \n \n \n )}\n

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