$\"\"$ <Broken> & Feed
Site · Feedbin subscription
Latest published: August 1, 2026 (30d ago)
Usually publishes every 3 days

';\n\n assertEquals(html, expected);\n});\n",[173],"c8bf7e66-acba-44da-9df2-9953d2ef7225","feedbin-broken-feeds.cron.tsx","368580ac-7bc1-11f1-8d5b-1607ee4eb77e",225,["D",1788620470065],32,"interval","const THRESHOLD_MULTIPLIER = 4;\n\nimport { email } from \"https://esm.town/v/std/email\";\nimport { escape } from \"jsr:@std/html@1.0.5/entities\";\nimport {\n ENTRY_SAMPLE_SIZE,\n type FeedbinEntry, getFeedEntries,\n getSubscriptions\n} from \"./feedbin.ts\";\nimport {\n daysFromMs,\n formatDuration,\n formatHumanDate,\n} from \"./formatting.ts\";\n\nexport type FlaggedFeed = {\n title: string;\n sitelink?: string;\n feedLink?: string;\n faviconUrl?: string;\n latestPublishedDate: string;\n latestPublishedRelative: string;\n publishFrequency: string;\n meanIntervalDays: number;\n currentGapDays: number;\n thresholdDays: number;\n ratio: number;\n};\n\nexport function parseEntryTimestampMs(entry: FeedbinEntry): number | null {\n const candidate = entry.published ?? entry.created_at;\n if (!candidate) {\n return null;\n }\n\n const ms = Date.parse(candidate);\n return Number.isFinite(ms) ? ms : null;\n}\n\nexport function mean(values: number[]): number {\n if (values.length === 0) {\n return 0;\n }\n\n return values.reduce((sum, value) => sum + value, 0) / values.length;\n}\n\nexport function getFaviconUrl(siteUrl?: string): string | undefined {\n if (!siteUrl) {\n return undefined;\n }\n\n try {\n const hostname = new URL(siteUrl).hostname;\n return `https://www.google.com/s2/favicons?sz=16&domain_url=${hostname}`;\n } catch {\n return undefined;\n }\n}\n\nexport function buildEmailHtml(flaggedFeeds: FlaggedFeed[]): string {\n if (flaggedFeeds.length === 0) {\n return \"

No potentially broken feeds detected.

\";\n }\n\n const items = flaggedFeeds.map((feed) => {\n const faviconImg = feed.faviconUrl\n ? ` $\"\"$ `\n : \"\";\n const titleHtml = `${faviconImg}${escape(feed.title)}`;\n const lines: string[] = [\n `${feed.feedLink ? `${titleHtml}` : titleHtml}`,\n ];\n\n const links: string[] = [];\n if (feed.sitelink) {\n links.push(`Site`);\n }\n if (feed.feedLink) {\n const subscriptionsUrl = `https://feedbin.com/settings/subscriptions?q=${encodeURIComponent(feed.feedLink)}`;\n links.push(`Feedbin subscription`);\n }\n if (links.length > 0) {\n lines.push(links.join(\" · \"));\n }\n\n lines.push(\n `Latest published: ${feed.latestPublishedDate} (${feed.latestPublishedRelative} ago)`,\n );\n lines.push(`Usually publishes every ${feed.publishFrequency}`);\n\n return `

${lines.join(\"
\")}

`;\n });\n\n return `

${items.join(\"\")}`;\n}\n\nexport default async function (sendEmail = true) {\n const startedAt = new Date();\n const nowMs = Date.now();\n\n const subscriptions = await getSubscriptions();\n\n const flaggedFeeds: FlaggedFeed[] = [];\n const skipReasons: string[] = [];\n\n let i = 0\n for (const subscription of subscriptions) {\n i++\n console.log(`Checking feed ${subscription.feed_id} (${subscription.title}) ${i}/${subscriptions.length}...`);\n try {\n const entries = await getFeedEntries(\n subscription.feed_id,\n ENTRY_SAMPLE_SIZE,\n );\n\n const timestamps = entries\n .map(parseEntryTimestampMs)\n .filter((ts): ts is number => ts !== null)\n .sort((a, b) => b - a);\n\n if (timestamps.length < 2) {\n skipReasons.push(`${subscription.feed_id} (${subscription.title}):insufficient_entries`);\n continue;\n }\n\n const latestPublishedMs = timestamps[0];\n const intervalsMs: number[] = [];\n\n for (let i = 0; i < timestamps.length - 1; i += 1) {\n const interval = timestamps[i] - timestamps[i + 1];\n if (interval > 0) {\n intervalsMs.push(interval);\n }\n }\n\n if (intervalsMs.length === 0) {\n skipReasons.push(`${subscription.feed_id} (${subscription.title}):non_positive_intervals`);\n continue;\n }\n\n const meanIntervalMs = mean(intervalsMs);\n if (meanIntervalMs <= 0) {\n skipReasons.push(`${subscription.feed_id} (${subscription.title}):invalid_mean_interval`);\n continue;\n }\n\n const currentGapMs = nowMs - latestPublishedMs;\n const thresholdMs = meanIntervalMs * THRESHOLD_MULTIPLIER;\n\n if (currentGapMs > thresholdMs) {\n const title = subscription.title?.trim() || `Feed ${subscription.feed_id}`;\n flaggedFeeds.push({\n title,\n sitelink: subscription.site_url ?? undefined,\n feedLink: subscription.feed_url ?? undefined,\n faviconUrl: getFaviconUrl(subscription.site_url ?? undefined),\n latestPublishedDate: formatHumanDate(latestPublishedMs),\n latestPublishedRelative: formatDuration(currentGapMs, true),\n publishFrequency: formatDuration(meanIntervalMs, false),\n meanIntervalDays: daysFromMs(meanIntervalMs),\n currentGapDays: daysFromMs(currentGapMs),\n thresholdDays: daysFromMs(thresholdMs),\n ratio: currentGapMs / meanIntervalMs,\n });\n }\n } catch (error) {\n const message = error instanceof Error ? error.message : String(error);\n skipReasons.push(`${subscription.feed_id} (${subscription.title}):fetch_or_parse_error:${message}`);\n }\n }\n\n flaggedFeeds.sort((a, b) => b.ratio - a.ratio);\n\n console.log(\"Feedbin Potentially Broken Feed Check\");\n console.log(`Run timestamp: ${startedAt.toISOString()}`);\n console.log(`Subscriptions checked: ${subscriptions.length}`);\n console.log(`Potentially broken feeds: ${flaggedFeeds.length}`);\n console.log(`Skipped subscriptions: ${skipReasons.length}`);\n console.log(\"\");\n\n if (flaggedFeeds.length === 0) {\n console.log(\"No potentially broken feeds detected.\");\n } else {\n console.log(\"Potentially broken feeds:\");\n for (const [index, feed] of flaggedFeeds.entries()) {\n console.log(`${index + 1}. ${feed.title}`);\n if (feed.sitelink) {\n console.log(` Site: ${feed.sitelink}`);\n }\n if (feed.feedLink) {\n console.log(` Feed: ${feed.feedLink}`);\n console.log(\n ` Feedbin subscriptions: https://feedbin.com/settings/subscriptions?q=${encodeURIComponent(feed.feedLink)}`,\n );\n }\n console.log(\n ` Latest published: ${feed.latestPublishedDate} (${feed.latestPublishedRelative} ago)`,\n );\n console.log(` Usually publishes every ${feed.publishFrequency}`);\n console.log(\n ` Gap: ${feed.currentGapDays.toFixed(2)}d | Mean interval: ${feed.meanIntervalDays.toFixed(2)}d | Threshold (x${THRESHOLD_MULTIPLIER}): ${feed.thresholdDays.toFixed(2)}d`,\n );\n }\n }\n\n if (skipReasons.length > 0) {\n console.log(\"\");\n console.log(\"Skipped details:\");\n for (const reason of skipReasons) {\n console.log(`- ${reason}`);\n }\n }\n\n if (sendEmail) {\n await email({\n subject: `Feedbin Broken Feed Check (${flaggedFeeds.length})`,\n html: buildEmailHtml(flaggedFeeds),\n });\n }\n}\n",[181],"8c4e0f2c-96d2-4609-b873-d1d7efcafb91","duration-formatting.test.ts","56523cd0-a93a-11f1-a9f1-1607ee4eb77e",219,["D",1788620344643],"import { assertEquals } from \"jsr:@std/assert\";\nimport {\n daysFromMs,\n formatDuration,\n pluralize,\n} from \"./duration-formatting.ts\";\n\nDeno.test(\"formatDuration formats seconds\", () => {\n assertEquals(formatDuration(30 * 1000, false), \"30 seconds\");\n});\n\nDeno.test(\"formatDuration formats singular minute\", () => {\n assertEquals(formatDuration(60 * 1000, false), \"1 minute\");\n});\n\nDeno.test(\"formatDuration formats days\", () => {\n assertEquals(formatDuration(3 * 24 * 60 * 60 * 1000, false), \"3 days\");\n});\n\nDeno.test(\"formatDuration formats weeks\", () => {\n assertEquals(formatDuration(14 * 24 * 60 * 60 * 1000, false), \"2 weeks\");\n});\n\nDeno.test(\"formatDuration formats months\", () => {\n assertEquals(formatDuration(60 * 24 * 60 * 60 * 1000, false), \"2 months\");\n});\n\nDeno.test(\"formatDuration formats years\", () => {\n assertEquals(formatDuration(400 * 24 * 60 * 60 * 1000, false), \"1 year\");\n});\n\nDeno.test(\"formatDuration rounds up fractional days\", () => {\n assertEquals(formatDuration(1.6 * 24 * 60 * 60 * 1000, false), \"2 days\");\n});\n\nDeno.test(\"formatDuration rounds down fractional days\", () => {\n assertEquals(formatDuration(1.4 * 24 * 60 * 60 * 1000, false), \"1 day\");\n});\n\nDeno.test(\"formatDuration compact formats seconds\", () => {\n assertEquals(formatDuration(30 * 1000, true), \"30s\");\n});\n\nDeno.test(\"formatDuration compact formats minutes\", () => {\n assertEquals(formatDuration(5 * 60 * 1000, true), \"5m\");\n});\n\nDeno.test(\"formatDuration compact formats hours\", () => {\n assertEquals(formatDuration(3 * 60 * 60 * 1000, true), \"3h\");\n});\n\nDeno.test(\"formatDuration compact formats days\", () => {\n assertEquals(formatDuration(2 * 24 * 60 * 60 * 1000, true), \"2d\");\n});\n\nDeno.test(\"formatDuration compact formats weeks\", () => {\n assertEquals(formatDuration(14 * 24 * 60 * 60 * 1000, true), \"2w\");\n});\n\nDeno.test(\"formatDuration compact formats months\", () => {\n assertEquals(formatDuration(60 * 24 * 60 * 60 * 1000, true), \"2mo\");\n});\n\nDeno.test(\"formatDuration compact formats years\", () => {\n assertEquals(formatDuration(400 * 24 * 60 * 60 * 1000, true), \"1y\");\n});\n\nDeno.test(\"formatDuration compact rounds up fractional hours\", () => {\n assertEquals(formatDuration(1.6 * 60 * 60 * 1000, true), \"2h\");\n});\n\nDeno.test(\"formatDuration compact rounds down fractional hours\", () => {\n assertEquals(formatDuration(1.4 * 60 * 60 * 1000, true), \"1h\");\n});\n\nDeno.test(\"daysFromMs converts milliseconds to days\", () => {\n assertEquals(daysFromMs(2 * 24 * 60 * 60 * 1000), 2);\n});\n\nDeno.test(\"pluralize singular\", () => {\n assertEquals(pluralize(1, \"day\"), \"1 day\");\n});\n\nDeno.test(\"pluralize plural\", () => {\n assertEquals(pluralize(2, \"day\"), \"2 days\");\n});\n\nDeno.test(\"pluralize rounds fractional values\", () => {\n assertEquals(pluralize(1.6, \"week\"), \"2 weeks\");\n});\n",[190],"0df3a35a-b7de-4c38-aa5f-b8b286932a4d","deno.lock","fe5043e4-7d31-11f1-baff-1607ee4eb77e",24,["D",1783778909848],"{\n \"version\": \"5\",\n \"specifiers\": {\n \"jsr:@std/dotenv@*\": \"0.225.6\"\n },\n \"jsr\": {\n \"@std/dotenv@0.225.6\": {\n \"integrity\": \"1d6f9db72f565bd26790fa034c26e45ecb260b5245417be76c2279e5734c421b\"\n }\n }\n}\n",[197],"46544db7-9907-4ef3-ac0e-eaff8a262fc3","deno.json","3651a52a-7bc1-11f1-a542-1607ee4eb77e",189,["D",1787861831643],39,"{\n \"$schema\": \"https://raw.githubusercontent.com/denoland/deno/98f62cee78e85bfc47c62ed703777c6bc8794f1c/cli/schemas/config-file.v1.json\",\n \"lock\": false,\n \"tasks\": {\n \"local-test\": \"deno --allow-env --allow-import='jsr.io,esm.town' --allow-read='.env' --allow-net='api.feedbin.com' local-test.ts\",\n \"check\": \"deno check --allow-import=www.val.town,jsr.io,esm.town\",\n \"test\": \"deno test --allow-import='www.val.town,jsr.io,esm.town'\" \n },\n \"compilerOptions\": {\n \"noImplicitAny\": false,\n \"strict\": true,\n \"types\": [\n \"https://www.val.town/types/valtown.d.ts\"\n ],\n \"lib\": [\n \"dom\",\n \"dom.iterable\",\n \"dom.asynciterable\",\n \"deno.ns\",\n \"deno.unstable\"\n ]\n },\n \"lint\": {\n \"include\": [\n \"deno:/https/esm.town/**/*\"\n ],\n \"rules\": {\n \"exclude\": [\n \"no-explicit-any\"\n ]\n }\n },\n \"node_modules_dir\": false,\n \"experimental\": {\n \"unstable-node-globals\": true,\n \"unstable-temporal\": true,\n \"unstable-worker-options\": true,\n \"unstable-sloppy-imports\": true\n }\n}",[204],"d138dbf4-1f05-4ed1-9ed1-6d2afd064c5a","date-formatting.test.ts","564bdde0-a93a-11f1-8dca-1607ee4eb77e",218,["D",1788620344594],"import { assertStringIncludes } from \"jsr:@std/assert\";\nimport { formatHumanDate } from \"./date-formatting.ts\";\n\nDeno.test(\"formatHumanDate formats a date without time\", () => {\n const ms = Date.UTC(2026, 7, 27, 15, 30);\n const formatted = formatHumanDate(ms);\n assertStringIncludes(formatted, \"2026\");\n assertStringIncludes(formatted, \"August\");\n});\n",[212],"2e81cbd3-5e18-4183-96f7-772718666972","README.md","36460c6a-7bc1-11f1-bff7-1607ee4eb77e",194,["D",1788617646379],7,"# feedbin-feed-checker\nChecks for broken feeds in Feedbin by checking if the time since last publish is unusually long. Sends email to user listing any potentially broken feeds. Runs via a [cron trigger](https://docs.val.town/vals/cron) on val.town.\n\n## Tasks\n- `deno task local-test` - Run locally with config sourced from `.env` file. Outputs to console instead of sending email.\n- `deno task check` - Check code for errors.\n\n## Enhancements\n- [ ] show badge for newly stale feeds\n- [ ] support ignored feeds\n- [ ] cache feedbin api requests\n\n🤖 Built w/ substantial help from GitHub Copilot",[219],"0191c136-d042-49eb-a366-17d8294ee321","AGENTS.md","364c63e4-7bc1-11f1-a71a-1607ee4eb77e",193,["D",1788568601524],"- Use `deno task local-test` to run the program locally.\n- Use `deno task check` to check the code for errors.\n- Use `deno task test` to run the project's test suite.\n- Use the above tasks instead of running `deno` commands directly (e.g. `deno test`) since the tasks already include the necessary permission flags.\n- If a deno task fails with a permissions error ask the user to update the permission flags in the `deno.json` file.\n- Keep validation focused on the project’s configured commands unless a more specific debug command is required.\n- Prefer small, targeted changes and verify them with the task commands above before concluding work.",[227],"590955ce-9ed6-459e-8e82-a343ed78ea5e",".vtignore","366ec36c-7bc1-11f1-b757-1607ee4eb77e",5,["D",1783620519645],".git\n.vscode\n.cursorrules\n.DS_Store\nnode_modules\nvendor",[234],"a4c41bdd-96f1-48eb-8111-faf3923dd9cf",".gitignore","3669ab34-7bc1-11f1-802c-1607ee4eb77e",4,["D",1783620519452],".env\n.vt\n",[241],"85056a9a-2358-4054-8b93-e37c1a0b4fcf",".github","7e3b6172-a241-11f1-8258-1607ee4eb77e",88,["D",1787853759938],"directory",[248],"pulls","branches",1,"forks","envVars",{"_262":264,"_265":61},"connections",{"_262":61,"_263":61},"count","unfilledCount",2,"emptyCount",{"_42":247,"_32":248,"_30":249,"_142":-5,"_40":41,"_39":250,"_144":25,"_37":324,"_13":61,"_33":252,"_35":-5,"_24":48,"_148":-5,"_282":325,"_27":326},{"_42":240,"_32":241,"_30":242,"_142":-5,"_40":41,"_39":243,"_144":25,"_37":321,"_13":61,"_33":20,"_35":245,"_24":48,"_148":-5,"_282":322,"_27":323},{"_42":233,"_32":234,"_30":235,"_142":-5,"_40":41,"_39":236,"_144":25,"_37":318,"_13":61,"_33":20,"_35":238,"_24":48,"_148":-5,"_282":319,"_27":320},{"_42":226,"_32":227,"_30":228,"_142":-5,"_40":41,"_39":229,"_144":48,"_37":315,"_13":223,"_33":20,"_35":231,"_24":48,"_148":-5,"_282":316,"_27":317},{"_42":218,"_32":219,"_30":220,"_142":-5,"_40":41,"_39":221,"_144":48,"_37":312,"_13":223,"_33":20,"_35":224,"_24":48,"_148":-5,"_282":313,"_27":314},{"_42":211,"_32":212,"_30":213,"_142":-5,"_40":41,"_39":214,"_144":48,"_37":309,"_13":61,"_33":34,"_35":216,"_24":48,"_148":-5,"_282":310,"_27":311},{"_42":203,"_32":204,"_30":205,"_142":-5,"_40":41,"_39":206,"_144":48,"_37":306,"_13":208,"_33":20,"_35":209,"_24":48,"_148":-5,"_282":307,"_27":308},{"_42":196,"_32":197,"_30":198,"_142":-5,"_40":41,"_39":199,"_144":25,"_37":303,"_13":61,"_33":20,"_35":201,"_24":48,"_148":-5,"_282":304,"_27":305},{"_42":189,"_32":190,"_30":191,"_142":-5,"_40":41,"_39":192,"_144":48,"_37":300,"_13":61,"_33":34,"_35":194,"_24":48,"_148":-5,"_282":301,"_27":302},{"_42":180,"_32":181,"_30":182,"_142":-5,"_40":41,"_39":183,"_144":48,"_37":297,"_13":185,"_33":186,"_35":187,"_24":48,"_148":-5,"_282":298,"_27":299},{"_42":172,"_32":173,"_30":174,"_142":-5,"_40":41,"_39":175,"_144":48,"_37":294,"_13":177,"_33":34,"_35":178,"_24":48,"_148":-5,"_282":295,"_27":296},{"_42":164,"_32":165,"_30":166,"_142":-5,"_40":41,"_39":167,"_144":48,"_37":291,"_13":169,"_33":34,"_35":170,"_24":48,"_148":-5,"_282":292,"_27":293},{"_42":157,"_32":158,"_30":159,"_142":-5,"_40":41,"_39":160,"_144":48,"_37":288,"_13":61,"_33":34,"_35":162,"_24":48,"_148":-5,"_282":289,"_27":290},{"_42":150,"_32":151,"_30":152,"_142":-5,"_40":41,"_39":153,"_144":48,"_37":285,"_13":61,"_33":34,"_35":155,"_24":48,"_148":-5,"_282":286,"_27":287},{"_42":139,"_32":140,"_30":141,"_142":-5,"_40":41,"_39":143,"_144":48,"_37":281,"_13":146,"_33":34,"_35":147,"_24":48,"_148":-5,"_282":283,"_27":284},["D",1787860036598],"children",[],[140],["D",1788620458677],[],[151],["D",1788620466867],[],[158],["D",1783799463845],[],[165],["D",1788620358138],[],[173],["D",1788620470065],[],[181],["D",1788620344643],[],[190],["D",1783778909848],[],[197],["D",1787861831643],[],[204],["D",1788620344594],[],[212],["D",1788617646379],[],[219],["D",1788568601524],[],[227],["D",1783620519645],[],[234],["D",1783620519452],[],[241],["D",1787853759938],[],[248],["D",1783616525202],{"_95":94,"_102":98},{"_95":94,"_96":-5,"_97":98,"_18":55,"_99":100,"_101":48},{"_13":84,"_32":85,"_42":41,"_86":43,"_87":-5,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":44,"_93":94},"ctx",{"_77":-5,"_121":364,"_365":366,"_367":368,"_369":48,"_370":48,"_371":48,"_372":25,"_373":-5,"_374":-7,"_375":-7,"_376":61,"_377":48,"_378":48,"_379":-5,"_380":48,"_381":48,"_382":48,"_383":-5},"ENV",{"_335":336,"_337":338,"_339":85,"_340":341,"_342":343,"_344":345,"_346":347,"_348":349,"_350":351,"_352":353,"_354":355,"_356":357,"_358":359,"_360":361,"_362":363},"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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