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

';\n\n assertEquals(html, expected);\n});\n",[156],"3ad55bdb-9a40-4018-8880-8fab55605f33","feedbin-broken-feeds.cron.tsx","368580ac-7bc1-11f1-8d5b-1607ee4eb77e",216,["D",1788620166712],30,"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\";\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\nfunction getDurationParts(ms: number) {\n const safeMs = Math.max(0, ms);\n const seconds = safeMs / 1000;\n\n if (seconds < 60) {\n return { value: Math.round(seconds), unit: \"second\" };\n }\n\n const minutes = seconds / 60;\n if (minutes < 60) {\n return { value: Math.round(minutes), unit: \"minute\" };\n }\n\n const hours = minutes / 60;\n if (hours < 24) {\n return { value: Math.round(hours), unit: \"hour\" };\n }\n\n const days = hours / 24;\n if (days < 7) {\n return { value: Math.round(days), unit: \"day\" };\n }\n\n const weeks = days / 7;\n if (weeks < 5) {\n return { value: Math.round(weeks), unit: \"week\" };\n }\n\n const months = days / 30;\n if (months < 12) {\n return { value: Math.round(months), unit: \"month\" };\n }\n\n const years = days / 365;\n return { value: Math.round(years), unit: \"year\" };\n}\n\nexport function daysFromMs(ms: number): number {\n return ms / (1000 * 60 * 60 * 24);\n}\n\nexport function formatHumanDate(ms: number): string {\n return new Date(ms).toLocaleDateString(\"en-US\", {\n year: \"numeric\",\n month: \"long\",\n day: \"numeric\",\n });\n}\n\nexport function pluralize(value: number, unit: string): string {\n const rounded = Math.round(value);\n return `${rounded} ${unit}${rounded === 1 ? \"\" : \"s\"}`;\n}\n\nexport function formatDuration(ms: number, compact: boolean = false): string {\n const parts = getDurationParts(ms);\n\n if (compact) {\n const unitMap: Record = {\n second: \"s\",\n minute: \"m\",\n hour: \"h\",\n day: \"d\",\n week: \"w\",\n month: \"mo\",\n year: \"y\",\n };\n return `${parts.value}${unitMap[parts.unit]}`;\n } else {\n return pluralize(parts.value, parts.unit);\n }\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",[164],"bc865f48-80e8-400d-853b-7b48d33c0881","duration-formatting.ts","5648132c-a93a-11f1-a12b-1607ee4eb77e",217,["D",1788620344584],"type DurationParts = {\n value: number;\n unit: string;\n};\n\nfunction getDurationParts(ms: number): DurationParts {\n const safeMs = Math.max(0, ms);\n const seconds = safeMs / 1000;\n\n if (seconds < 60) {\n return { value: Math.round(seconds), unit: \"second\" };\n }\n\n const minutes = seconds / 60;\n if (minutes < 60) {\n return { value: Math.round(minutes), unit: \"minute\" };\n }\n\n const hours = minutes / 60;\n if (hours < 24) {\n return { value: Math.round(hours), unit: \"hour\" };\n }\n\n const days = hours / 24;\n if (days < 7) {\n return { value: Math.round(days), unit: \"day\" };\n }\n\n const weeks = days / 7;\n if (weeks < 5) {\n return { value: Math.round(weeks), unit: \"week\" };\n }\n\n const months = days / 30;\n if (months < 12) {\n return { value: Math.round(months), unit: \"month\" };\n }\n\n const years = days / 365;\n return { value: Math.round(years), unit: \"year\" };\n}\n\nexport function daysFromMs(ms: number): number {\n return ms / (1000 * 60 * 60 * 24);\n}\n\nexport function pluralize(value: number, unit: string): string {\n const rounded = Math.round(value);\n return `${rounded} ${unit}${rounded === 1 ? \"\" : \"s\"}`;\n}\n\nexport function formatDuration(ms: number, compact: boolean = false): string {\n const parts = getDurationParts(ms);\n\n if (compact) {\n const unitMap: Record = {\n second: \"s\",\n minute: \"m\",\n hour: \"h\",\n day: \"d\",\n week: \"w\",\n month: \"mo\",\n year: \"y\",\n };\n return `${parts.value}${unitMap[parts.unit]}`;\n }\n\n return pluralize(parts.value, parts.unit);\n}\n",[173],"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",[180],"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}",[187],"d138dbf4-1f05-4ed1-9ed1-6d2afd064c5a",["D",1788620344594],[28],"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",[198],"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.",[206],"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",[213],"a4c41bdd-96f1-48eb-8111-faf3923dd9cf",".gitignore","3669ab34-7bc1-11f1-802c-1607ee4eb77e",4,["D",1783620519452],".env\n.vt\n",[220],"85056a9a-2358-4054-8b93-e37c1a0b4fcf",".github","7e3b6172-a241-11f1-8258-1607ee4eb77e",88,["D",1787853759938],"directory",[227],"pulls","branches",1,"forks","envVars",{"_241":243,"_244":60},"connections",{"_241":60,"_242":60},"count","unfilledCount",2,"emptyCount",{"_42":226,"_32":227,"_30":228,"_139":-5,"_40":41,"_39":229,"_141":24,"_37":295,"_13":60,"_33":231,"_35":-5,"_23":26,"_145":-5,"_259":296,"_27":297},{"_42":219,"_32":220,"_30":221,"_139":-5,"_40":41,"_39":222,"_141":24,"_37":292,"_13":60,"_33":20,"_35":224,"_23":26,"_145":-5,"_259":293,"_27":294},{"_42":212,"_32":213,"_30":214,"_139":-5,"_40":41,"_39":215,"_141":24,"_37":289,"_13":60,"_33":20,"_35":217,"_23":26,"_145":-5,"_259":290,"_27":291},{"_42":205,"_32":206,"_30":207,"_139":-5,"_40":41,"_39":208,"_141":26,"_37":286,"_13":202,"_33":20,"_35":210,"_23":26,"_145":-5,"_259":287,"_27":288},{"_42":197,"_32":198,"_30":199,"_139":-5,"_40":41,"_39":200,"_141":26,"_37":283,"_13":202,"_33":20,"_35":203,"_23":26,"_145":-5,"_259":284,"_27":285},{"_42":194,"_32":28,"_30":31,"_139":-5,"_40":41,"_39":14,"_141":26,"_37":280,"_13":60,"_33":34,"_35":36,"_23":26,"_145":-5,"_259":281,"_27":282},{"_42":186,"_32":187,"_30":188,"_139":-5,"_40":41,"_39":189,"_141":26,"_37":277,"_13":191,"_33":20,"_35":192,"_23":26,"_145":-5,"_259":278,"_27":279},{"_42":179,"_32":180,"_30":181,"_139":-5,"_40":41,"_39":182,"_141":24,"_37":274,"_13":60,"_33":20,"_35":184,"_23":26,"_145":-5,"_259":275,"_27":276},{"_42":172,"_32":173,"_30":174,"_139":-5,"_40":41,"_39":175,"_141":26,"_37":271,"_13":60,"_33":34,"_35":177,"_23":26,"_145":-5,"_259":272,"_27":273},{"_42":163,"_32":164,"_30":165,"_139":-5,"_40":41,"_39":166,"_141":26,"_37":268,"_13":168,"_33":169,"_35":170,"_23":26,"_145":-5,"_259":269,"_27":270},{"_42":155,"_32":156,"_30":157,"_139":-5,"_40":41,"_39":158,"_141":26,"_37":265,"_13":160,"_33":34,"_35":161,"_23":26,"_145":-5,"_259":266,"_27":267},{"_42":147,"_32":148,"_30":149,"_139":-5,"_40":41,"_39":150,"_141":26,"_37":262,"_13":152,"_33":34,"_35":153,"_23":26,"_145":-5,"_259":263,"_27":264},{"_42":136,"_32":137,"_30":138,"_139":-5,"_40":41,"_39":140,"_141":26,"_37":258,"_13":143,"_33":34,"_35":144,"_23":26,"_145":-5,"_259":260,"_27":261},["D",1787860036598],"children",[],[137],["D",1783799463845],[],[148],["D",1788620004554],[],[156],["D",1788620166712],[],[164],["D",1788620344584],[],[173],["D",1783778909848],[],[180],["D",1787861831643],[],[187],["D",1788620344594],[],[28],["D",1788617646379],[],[198],["D",1788568601524],[],[206],["D",1783620519645],[],[213],["D",1783620519452],[],[220],["D",1787853759938],[],[227],["D",1783616525202],{"_94":93,"_101":97},{"_94":93,"_95":-5,"_96":97,"_18":54,"_98":99,"_100":26},{"_13":83,"_32":84,"_42":41,"_85":43,"_86":-5,"_87":-5,"_88":-5,"_89":-5,"_90":-5,"_91":44,"_92":93},"ctx",{"_76":-5,"_120":335,"_336":337,"_338":339,"_340":26,"_341":26,"_342":26,"_343":24,"_344":-5,"_345":-7,"_346":-7,"_347":60,"_348":26,"_349":26,"_350":-5,"_351":26,"_352":26,"_353":26,"_354":-5},"ENV",{"_306":307,"_308":309,"_310":84,"_311":312,"_313":314,"_315":316,"_317":318,"_319":320,"_321":322,"_323":324,"_325":326,"_327":328,"_329":330,"_331":332,"_333":334},"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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