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Date.parse(value) : Number.NaN;\n return Number.isNaN(parsed) ? 0 : parsed;\n}\n\nexport async function fetchItems(): Promise {\n return (await readCache()).items;\n}\n\nfunction escapeXml(value: string): string {\n return value.replace(/&/g, \"&\").replace(//g, \">\")\n .replace(/\"/g, \""\").replace(/'/g, \"'\");\n}\n\nexport function buildRss(items: FeedItem[], selfUrl: string): string {\n const body = items.map((item) => {\n const published = item.date ? `${new Date(item.date).toUTCString()}` : \"\";\n const summary = item.summary ? `${escapeXml(item.summary)}` : \"\";\n return `\n ${escapeXml(item.title)}\n ${escapeXml(item.url)}\n ${escapeXml(item.url)}\n ${published}\n ${summary}\n `;\n }).join(\"\\n \");\n\n return `\n\n \n Steve Blank: recent posts and Customer Development Manifesto\n ${SITE_URL}\n The 20 newest Steve Blank posts plus his complete Customer Development Manifesto series.\n en-us\n \n ${body}\n \n`;\n}","createdAt",["D",1788150332130],"branchVersion","branchId","a5b4b800-cfe5-451b-9f5a-92c90e520f6e","id","590ee86e-a49b-437f-bd36-3f58c91f7a89","steve-blank",["D",1788149839316],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","RSS feed for selected Steve Blank essays","imageUrl","41fc127f-5d67-4e9d-aaf5-7f1531438361","pinnedFileId","01a05609-3692-749e-ab73-a579e513aaed","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","9dd2e27d-d103-40dd-bb45-da8e837d341a","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_97":96,"_104":100},"org",{"_97":96,"_98":-5,"_99":100,"_18":55,"_101":102,"_103":25},"branch",{"_13":86,"_32":87,"_43":42,"_88":44,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":45,"_95":96},"isOwned",11,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","ivryb","handle","displayName","avatar","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvb2F1dGhfZ2l0aHViL2ltZ18yZkFtS1dWcU5NYWRjQkN5MGVCUTVRS0Z5SkEifQ","tier","free","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_43":44,"_32":45,"_38":195,"_47":-5,"_48":25,"_49":50,"_51":50,"_52":53,"_54":-5,"_18":55,"_56":57,"_58":59,"_60":-5,"_61":-5,"_62":63,"_64":65,"_66":-5,"_67":-5,"_68":-5,"_69":-5,"_70":71,"_72":71,"_73":74,"_75":74,"_76":74,"_77":71,"_78":71,"_79":196,"_81":197,"_83":198,"_85":25},"tree",[174,175,176,177,178],"files",[174,175,176,177,178],"counts",{"_164":63,"_165":136,"_166":63,"_167":168,"_169":170},"contents",[127,128,129,130,131],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_43":157,"_32":158,"_30":159,"_133":-5,"_41":42,"_40":160,"_134":25,"_38":161,"_13":136,"_33":20,"_35":162,"_24":25,"_137":-5,"_27":163},{"_43":151,"_32":152,"_30":153,"_133":-5,"_41":42,"_40":136,"_134":25,"_38":154,"_13":63,"_33":34,"_35":155,"_24":25,"_137":-5,"_27":156},{"_43":145,"_32":146,"_30":147,"_133":-5,"_41":42,"_40":136,"_134":25,"_38":148,"_13":63,"_33":34,"_35":149,"_24":25,"_137":-5,"_27":150},{"_43":139,"_32":140,"_30":57,"_133":-5,"_41":42,"_40":136,"_134":25,"_38":141,"_13":63,"_33":142,"_35":143,"_24":25,"_137":45,"_27":144},{"_43":132,"_32":28,"_30":31,"_133":-5,"_41":42,"_40":14,"_134":25,"_38":135,"_13":136,"_33":34,"_35":37,"_24":25,"_137":-5,"_27":138},"9cab38dd-0109-40dd-b985-1c030b81c75b","parentId","latest",["D",1788150332130],1,"label",[28],"6c053c60-f756-452c-8a45-0275dc3bbccb","main.tsx",["D",1788149839316],"interval","import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport { renderDigest } from \"./digest.tsx\";\nimport { sendWithRetry } from \"./email.ts\";\nimport { fetchNewItems } from \"./rss.ts\";\n\n// Change this to the feed you want a daily digest of\nconst FEED_URL = \"https://blog.val.town/rss.xml\";\n\nconst LAST_RUN_KEY = \"lastRunAt\";\n\nexport default async function () {\n const lastRunAt = (await blob.getJSON(LAST_RUN_KEY)) as string | undefined;\n // First run: look back 24 hours\n const since = lastRunAt\n ? new Date(lastRunAt)\n : new Date(Date.now() - 24 * 60 * 60 * 1000);\n\n const { feedTitle, items } = await fetchNewItems(FEED_URL, since);\n console.log(`${items.length} new item(s) since ${since.toISOString()}`);\n\n if (items.length > 0) {\n await sendWithRetry({\n subject: `${feedTitle}: ${items.length} new item${items.length === 1 ? \"\" : \"s\"}`,\n html: renderDigest(feedTitle, items),\n });\n }\n\n await blob.setJSON(LAST_RUN_KEY, new Date().toISOString());\n}\n",[140],"31b588ff-f371-47cf-a6f1-fdfd008e4cf0","email.ts","01a05609-3692-749e-ab73-a3751e5153ae",["D",1788149839316],"import { email } from \"https://esm.town/v/std/email\";\n\n// std/email occasionally throws on transient backend hiccups\n// (e.g. \"Gateway Timeout\" bodies that aren't valid JSON), so retry a few times.\nexport async function sendWithRetry(\n message: Parameters[0],\n attempts = 3,\n) {\n let lastError: unknown;\n for (let i = 0; i < attempts; i++) {\n try {\n return await email(message);\n } catch (e) {\n lastError = e;\n console.warn(`email attempt ${i + 1} failed:`, e);\n await new Promise((r) => setTimeout(r, 1000 * (i + 1)));\n }\n }\n throw lastError;\n}\n",[146],"714df5cb-8162-4c80-b792-b3db25927158","digest.tsx","01a05609-3692-749e-ab73-9f7e8425b4a8",["D",1788149839316],"/** @jsxImportSource npm:hono/jsx */\nimport type { FeedItem } from \"./rss.ts\";\n\n// Render the digest email body as an HTML string via Hono JSX.\nexport function renderDigest(feedTitle: string, items: FeedItem[]): string {\n return (\n

{feedTitle}

\n {item.title}\n {item.date ? ({item.date.toDateString()}) : null}\n {item.snippet ?
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Diff · v3