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Slack alert on problems.\n//\n// EDIT THESE IF NEEDED:\nconst CANON = \"https://www.lezzat.co.uk\"; // the URL you WANT (www)\nconst HOST = \"lezzat.co.uk\"; // bare domain, no scheme, no www\nconst SITEMAP_PATH = \"/sitemap.xml\";\nconst LLMS_PATH = \"/llms.txt\";\n\n// Set true, Run once to send a Slack test message, then set back to false.\nconst TEST_PING = False;\n\nconst SLACK = Deno.env.get(\"SLACK_WEBHOOK_URL\") || \"\";\n\nconst HEADERS = {\n \"User-Agent\":\n \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 \" +\n \"(KHTML, like Gecko) Chrome/126.0 Safari/537.36\",\n \"Accept\": \"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\",\n \"Accept-Language\": \"en-US,en;q=0.9\",\n \"Upgrade-Insecure-Requests\": \"1\",\n};\n\nasync function sendSlack(text) {\n if (!SLACK) {\n console.log(\"cannot send: SLACK_WEBHOOK_URL not set\");\n return;\n }\n const resp = await fetch(SLACK, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ text }),\n });\n console.log(\"slack post status:\", resp.status);\n}\n\nasync function followChain(startUrl, maxHops = 10) {\n const chain = [];\n let url = startUrl;\n for (let i = 0; i < maxHops; i++) {\n const res = await fetch(url, { redirect: \"manual\", headers: HEADERS });\n chain.push({ url, status: res.status });\n const loc = res.headers.get(\"location\");\n if (res.status >= 300 && res.status < 400 && loc) {\n url = new URL(loc, url).href;\n continue;\n }\n break;\n }\n return { finalUrl: url, chain };\n}\n\nconst chainToText = (chain) =>\n chain.map((h) => `${h.url} [${h.status}]`).join(\" -> \");\n\nfunction extractCanonical(html) {\n const tag = html.match(/]+rel=[\"']canonical[\"'][^>]*>/i);\n if (!tag) return null;\n const href = tag[0].match(/href=[\"']([^\"']+)[\"']/i);\n return href ? href[1] : null;\n}\nfunction extractMetaRefresh(html) {\n const tag = html.match(/]+http-equiv=[\"']refresh[\"'][^>]*>/i);\n if (!tag) return null;\n const url = tag[0].match(/url=([^\"';\\s]+)/i);\n return url ? url[1] : null;\n}\n\n// Is www enforced? OK if the server redirects non-www to www,\n// OR the page's canonical tag points to www.\nasync function checkRedirect() {\n const { finalUrl, chain } = await followChain(\"http://\" + HOST + \"/\");\n const serverRedirectsToWww = new URL(finalUrl).origin === CANON;\n\n let canonical = null, metaRefresh = null;\n try {\n const res = await fetch(finalUrl, { redirect: \"follow\", headers: HEADERS });\n const html = await res.text();\n canonical = extractCanonical(html);\n metaRefresh = extractMetaRefresh(html);\n } catch (_) { /* ignore body read errors */ }\n\n const canonicalOrigin = canonical\n ? new URL(canonical, finalUrl).origin\n : null;\n const canonicalIsWww = canonicalOrigin === CANON;\n\n const ok = serverRedirectsToWww || canonicalIsWww;\n\n const parts = [\n `chain: ${chainToText(chain)}`,\n `canonical: ${canonical || \"none\"}`,\n ];\n if (metaRefresh) parts.push(`meta-refresh: ${metaRefresh}`);\n\n return {\n ok,\n line: `${\n ok\n ? \"www enforced\"\n : \"www NOT enforced (non-www is live and canonical is not www)\"\n } | ${parts.join(\" | \")}`,\n };\n}\n\nasync function checkFile(name, url) {\n const res = await fetch(url, { redirect: \"manual\", headers: HEADERS });\n const status = res.status;\n const location = res.headers.get(\"location\");\n if (status === 200) return { ok: true, line: `${name} present (200)` };\n if (status >= 300 && status < 400) {\n return {\n ok: false,\n line: `${name} REDIRECTED to ${location || \"unknown\"} (${status})`,\n };\n }\n if (status === 404) return { ok: false, line: `${name} MISSING (404)` };\n return { ok: false, line: `${name} unexpected status ${status}` };\n}\n\nasync function main() {\n console.log(\"slack configured:\", SLACK ? \"yes\" : \"no\");\n\n if (TEST_PING) {\n await sendSlack(\n \":white_check_mark: Test ping from your SEO monitor. Slack is wired up.\",\n );\n return 0;\n }\n\n const results = [];\n try {\n results.push(await checkRedirect());\n } catch (e) {\n results.push({ ok: false, line: `www check error: ${e.message}` });\n }\n\n try {\n results.push(await checkFile(\"sitemap.xml\", CANON + SITEMAP_PATH));\n } catch (e) {\n results.push({ ok: false, line: `sitemap.xml check error: ${e.message}` });\n }\n\n try {\n results.push(await checkFile(\"llms.txt\", CANON + LLMS_PATH));\n } catch (e) {\n results.push({ ok: false, line: `llms.txt check error: ${e.message}` });\n }\n\n const report = results.map((r) => `${r.ok ? \"✅\" : \"❌\"} ${r.line}`).join(\n \"\\n\",\n );\n console.log(report);\n\n const problems = results.filter((r) => !r.ok);\n if (problems.length) {\n await sendSlack(`:rotating_light: SEO check on ${CANON}\\n\\n${report}`);\n }\n return problems.length;\n}\n\nexport default main;","// monitor.mjs (Val Town / Deno version)\n// Checks the www canonical, sitemap.xml, and llms.txt. Slack alert on problems.\n//\n// EDIT THESE IF NEEDED:\nconst CANON = \"https://www.lezzat.co.uk\"; // the URL you WANT (www)\nconst HOST = \"lezzat.co.uk\"; // bare domain, no scheme, no www\nconst SITEMAP_PATH = \"/sitemap.xml\";\nconst LLMS_PATH = \"/llms.txt\";\n\n// Set true, Run once to send a Slack test message, then set back to false.\nconst TEST_PING = false;\n\nconst SLACK = Deno.env.get(\"SLACK_WEBHOOK_URL\") || \"\";\n\nconst HEADERS = {\n \"User-Agent\":\n \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 \" +\n \"(KHTML, like Gecko) Chrome/126.0 Safari/537.36\",\n \"Accept\": \"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\",\n \"Accept-Language\": \"en-US,en;q=0.9\",\n \"Upgrade-Insecure-Requests\": \"1\",\n};\n\nasync function sendSlack(text) {\n if (!SLACK) {\n console.log(\"cannot send: SLACK_WEBHOOK_URL not set\");\n return;\n }\n const resp = await fetch(SLACK, {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\" },\n body: JSON.stringify({ text }),\n });\n console.log(\"slack post status:\", resp.status);\n}\n\nasync function followChain(startUrl, maxHops = 10) {\n const chain = [];\n let url = startUrl;\n for (let i = 0; i < maxHops; i++) {\n const res = await fetch(url, { redirect: \"manual\", headers: HEADERS });\n chain.push({ url, status: res.status });\n const loc = res.headers.get(\"location\");\n if (res.status >= 300 && res.status < 400 && loc) {\n url = new URL(loc, url).href;\n continue;\n }\n break;\n }\n return { finalUrl: url, chain };\n}\n\nconst chainToText = (chain) =>\n chain.map((h) => `${h.url} [${h.status}]`).join(\" -> \");\n\nfunction extractCanonical(html) {\n const tag = html.match(/]+rel=[\"']canonical[\"'][^>]*>/i);\n if (!tag) return null;\n const href = tag[0].match(/href=[\"']([^\"']+)[\"']/i);\n return href ? href[1] : null;\n}\nfunction extractMetaRefresh(html) {\n const tag = html.match(/]+http-equiv=[\"']refresh[\"'][^>]*>/i);\n if (!tag) return null;\n const url = tag[0].match(/url=([^\"';\\s]+)/i);\n return url ? url[1] : null;\n}\n\n// Is www enforced? OK if the server redirects non-www to www,\n// OR the page's canonical tag points to www.\nasync function checkRedirect() {\n const { finalUrl, chain } = await followChain(\"http://\" + HOST + \"/\");\n const serverRedirectsToWww = new URL(finalUrl).origin === CANON;\n\n let canonical = null, metaRefresh = null;\n try {\n const res = await fetch(finalUrl, { redirect: \"follow\", headers: HEADERS });\n const html = await res.text();\n canonical = extractCanonical(html);\n metaRefresh = extractMetaRefresh(html);\n } catch (_) { /* ignore body read errors */ }\n\n const canonicalOrigin = canonical\n ? new URL(canonical, finalUrl).origin\n : null;\n const canonicalIsWww = canonicalOrigin === CANON;\n\n const ok = serverRedirectsToWww || canonicalIsWww;\n\n const parts = [\n `chain: ${chainToText(chain)}`,\n `canonical: ${canonical || \"none\"}`,\n ];\n if (metaRefresh) parts.push(`meta-refresh: ${metaRefresh}`);\n\n return {\n ok,\n line: `${\n ok\n ? \"www enforced\"\n : \"www NOT enforced (non-www is live and canonical is not www)\"\n } | ${parts.join(\" | \")}`,\n };\n}\n\nasync function checkFile(name, url) {\n const res = await fetch(url, { redirect: \"manual\", headers: HEADERS });\n const status = res.status;\n const location = res.headers.get(\"location\");\n if (status === 200) return { ok: true, line: `${name} present (200)` };\n if (status >= 300 && status < 400) {\n return {\n ok: false,\n line: `${name} REDIRECTED to ${location || \"unknown\"} (${status})`,\n };\n }\n if (status === 404) return { ok: false, line: `${name} MISSING (404)` };\n return { ok: false, line: `${name} unexpected status ${status}` };\n}\n\nasync function main() {\n console.log(\"slack configured:\", SLACK ? \"yes\" : \"no\");\n\n if (TEST_PING) {\n await sendSlack(\n \":white_check_mark: Test ping from your SEO monitor. Slack is wired up.\",\n );\n return 0;\n }\n\n const results = [];\n try {\n results.push(await checkRedirect());\n } catch (e) {\n results.push({ ok: false, line: `www check error: ${e.message}` });\n }\n\n try {\n results.push(await checkFile(\"sitemap.xml\", CANON + SITEMAP_PATH));\n } catch (e) {\n results.push({ ok: false, line: `sitemap.xml check error: ${e.message}` });\n }\n\n try {\n results.push(await checkFile(\"llms.txt\", CANON + LLMS_PATH));\n } catch (e) {\n results.push({ ok: false, line: `llms.txt check error: ${e.message}` });\n }\n\n const report = results.map((r) => `${r.ok ? \"✅\" : \"❌\"} ${r.line}`).join(\n \"\\n\",\n );\n console.log(report);\n\n const problems = results.filter((r) => !r.ok);\n if (problems.length) {\n await sendSlack(`:rotating_light: SEO check on ${CANON}\\n\\n${report}`);\n }\n return problems.length;\n}\n\nexport default main;","createdAt",["D",1784650045132],"branchVersion","branchId","62131c52-8744-4548-9500-391266dfc3fa","id","8d375ddb-49ca-4df1-b997-bb06676b5f77","url-checker-www",["D",1784644272886],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","","imageUrl","54bd5b50-7897-40c6-a05d-fb2b50cc0319","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount",0,"orgId","019f8512-e5ed-73aa-853d-d03b9946db01","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_95":94,"_101":53},"org",{"_95":94,"_96":53,"_97":53,"_18":55,"_98":99,"_100":25},"branch",{"_13":84,"_32":85,"_43":42,"_86":44,"_87":-5,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":45,"_93":94},"isOwned",28,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","syedsameedabbas","handle","displayName","avatar","tier","free","canRestrictVals","profileImageUrl","branchName","adoptOrgId",{"_43":44,"_32":45,"_38":147,"_47":-5,"_48":25,"_49":50,"_51":50,"_52":53,"_54":-5,"_18":55,"_56":-5,"_57":25,"_58":-5,"_59":-5,"_60":61,"_62":63,"_64":-5,"_65":-5,"_66":-5,"_67":-5,"_68":69,"_70":69,"_71":72,"_73":72,"_74":72,"_75":69,"_76":69,"_77":148,"_79":149,"_81":150,"_83":25},"tree",[142],"files",[142],"counts",{"_131":61,"_132":133,"_134":61,"_135":136,"_137":138},"contents",[123],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_43":124,"_32":28,"_30":31,"_125":-5,"_41":42,"_40":14,"_126":25,"_38":127,"_13":128,"_33":34,"_35":37,"_24":25,"_129":-5,"_27":130},"40c2c6ae-6dc5-44d4-b37e-0c607e6047a0","parentId","latest",["D",1784650045132],17,"label",[28],"pulls","branches",1,"forks","envVars",{"_139":133,"_141":61},"connections",{"_139":133,"_140":61},"count","unfilledCount","emptyCount",{"_43":124,"_32":28,"_30":31,"_125":-5,"_41":42,"_40":14,"_126":25,"_38":143,"_13":128,"_33":34,"_35":37,"_24":25,"_129":-5,"_144":145,"_27":146},["D",1784650045132],"children",[],[28],["D",1784644272886],{"_95":94,"_101":53},{"_95":94,"_96":53,"_97":53,"_18":55,"_98":99,"_100":25},{"_13":84,"_32":85,"_43":42,"_86":44,"_87":-5,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":45,"_93":94},"ctx",{"_77":-5,"_120":184,"_185":186,"_187":188,"_189":25,"_190":25,"_191":25,"_192":193,"_194":-5,"_195":-7,"_196":-7,"_197":61,"_198":25,"_199":25,"_200":-5,"_201":25,"_202":25,"_203":25,"_204":-5},"ENV",{"_155":156,"_157":158,"_159":85,"_160":161,"_162":163,"_164":165,"_166":167,"_168":169,"_170":171,"_172":173,"_174":175,"_176":177,"_178":179,"_180":181,"_182":183},"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",true,"preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v18