${escapeHtml(caseName)}

[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_105":106,"_107":108},"routes/embed.x.$handle.$name.$",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":20,"_21":-5},"handle","joeross","name","courtlistener-reflow","path","main.ts","project",{"_22":45,"_11":12,"_33":46,"_47":-5,"_48":42,"_49":50,"_51":50,"_52":53,"_54":-5,"_55":56,"_57":25,"_58":32,"_59":-5,"_60":-5,"_61":62,"_63":64,"_65":66,"_67":68,"_69":70,"_71":-5,"_72":73,"_74":73,"_75":76,"_77":76,"_78":76,"_79":73,"_80":73,"_81":82,"_83":84,"_85":86,"_87":42},"file",{"_22":23,"_11":14,"_24":25,"_26":-5,"_27":28,"_29":30,"_31":32,"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":12,"_13":44},"permalink","https://www.val.town/x/joeross/courtlistener-reflow/code/main.ts","extension","id","3880369d-fc4d-47e8-822d-f34d9c39179a","fileId","6207fa5a-a0e9-11f1-846d-1607ee4eb77e","parentId","branchId","022191b9-e638-42f5-bf55-ad07af4842ca","branchVersion",9,"latest",true,"createdAt",["D",1787909765405],"version",6,"fileType","http","content","// Val Town HTTP val\n// Usage: https:///?url=\n//\n// Fetches a CourtListener opinion via the official REST v4 API and\n// reflows the \"html_with_citations\" field into normal

tags, so\n// read-later tools (Readwise Reader, GoodLinks, etc.) render it as\n// flowing text instead of a fixed-width

 block.\n//\n// Requires a CourtListener API token, stored as a Val Town env var\n// named COURTLISTENER_TOKEN. Get one at:\n// https://www.courtlistener.com/help/api/rest/\n\nconst API_BASE = \"https://www.courtlistener.com/api/rest/v4\";\nconst FETCH_TIMEOUT_MS = 15_000;\n\n// --- Input validation -------------------------------------------------\n\n// Accepts a bare cluster ID (\"10931982\") or a full CourtListener\n// opinion URL (\"https://www.courtlistener.com/opinion/10931982/foo/\"\n// or without a trailing slug: \".../opinion/10931982\").\n// Anything else (including non-CourtListener URLs, javascript: URIs,\n// etc.) is rejected so it's never echoed back into the page unvalidated.\nfunction extractClusterId(input: string): string | null {\n  const trimmed = input.trim();\n\n  if (/^\\d+$/.test(trimmed)) return trimmed;\n\n  try {\n    const parsed = new URL(trimmed);\n    if (parsed.hostname !== \"www.courtlistener.com\") return null;\n    const match = parsed.pathname.match(/\\/opinion\\/(\\d+)(?:\\/|$)/);\n    return match ? match[1] : null;\n  } catch {\n    return null;\n  }\n}\n\n// --- Text reflow --------------------------------------------------------\n\n// CourtListener's opinion HTML lays out each line of the original\n// double-spaced court document as its own line, separated by a blank\n// line — including lines that are mid-sentence continuations of the\n// same paragraph. A blank line is therefore NOT a reliable paragraph\n// boundary. Instead, join consecutive lines into a running paragraph\n// and only break when a line ends a sentence (terminal punctuation)\n// or the next line is a standalone heading/caption.\n//\n// IMPORTANT: this operates on the HTML as markup, not as plain text.\n// It does not decode or re-encode entities, and it does not touch\n// anything inside a tag, so citation links embedded by CourtListener\n// (e.g. 123 N.J. 45) survive intact.\nfunction reflowOpinionHtml(raw: string): string {\n  // CourtListener does NOT wrap the whole opinion in a single .\n  // It closes 
, inserts a ... (or\n  // ... for unlinked citations),\n  // then reopens  — for EVERY citation in the\n  // document. Stripping only the first/last  tag leaves orphaned\n  // 
 pairs around every citation, which is what forces\n  // the browser back into monospace rendering mid-paragraph. All\n  // /
 tags must be stripped globally; the citation \n  // itself is left untouched so it renders as normal inline text.\n  let html = raw.replace(/<\\/?pre[^>]*>/gi, \"\");\n\n  // Strip form-feed page breaks and the page-number/docket-number\n  // furniture that sits right before them, e.g. \"A-2182-24\\n  19\\n\\f\".\n  html = html.replace(/\\n?\\s*A-[\\dA-Z-]+\\s*\\n+\\s*\\d+\\s*\\n*\\f/g, \"\\n\");\n  html = html.replace(/\\f/g, \"\\n\");\n\n  const rawLines = html\n    .split(\"\\n\")\n    .map((line) => line.trim())\n    .filter((line) => line.length > 0);\n\n  // A line ends a paragraph if it ends with sentence-terminal\n  // punctuation (allowing for a trailing HTML tag close, closing\n  // quote, or closing paren after it).\n  const endsParagraph = (line: string) =>\n    /[.?!][\"')\\u201d]?(<\\/[a-z]+>)?$/i.test(line);\n\n  // Lines that are always their own paragraph regardless of context:\n  // procedural headings and short ALL-CAPS captions (party names,\n  // case-style lines). Require at least 2 words so we don't misfire\n  // on short statutory abbreviations that happen to be all-caps.\n  const isStandaloneLine = (line: string) => {\n    if (\n      /^(PER CURIAM|BEFORE:|SUPERIOR COURT|APPELLATE DIVISION|DOCKET NO\\.|Argued |Before Judges)/i\n        .test(line)\n    ) return true;\n    const stripped = line.replace(/<[^>]+>/g, \"\");\n    return /^[A-Z][A-Z\\s,.'-]*$/.test(stripped) &&\n      stripped.trim().split(/\\s+/).length >= 2 &&\n      stripped.length >= 8;\n  };\n\n  const paragraphs: string[] = [];\n  let current: string[] = [];\n\n  for (const line of rawLines) {\n    if (isStandaloneLine(line)) {\n      if (current.length) paragraphs.push(current.join(\" \"));\n      paragraphs.push(line);\n      current = [];\n      continue;\n    }\n    current.push(line);\n    if (endsParagraph(line)) {\n      paragraphs.push(current.join(\" \"));\n      current = [];\n    }\n  }\n  if (current.length) paragraphs.push(current.join(\" \"));\n\n  return paragraphs\n    .map((p) => p.replace(/\\s+/g, \" \").trim())\n    .filter((p) => p.length > 0)\n    .map((p) => `${p}
`)\n    .join(\"\\n\");\n}\n\n// --- HTTP helpers ---------------------------------------------------\n\nasync function fetchWithTimeout(\n  input: string,\n  init: RequestInit,\n): Promise {\n  return fetch(input, {\n    ...init,\n    signal: AbortSignal.timeout(FETCH_TIMEOUT_MS),\n  });\n}\n\nfunction escapeHtml(s: string): string {\n  return s\n    .replace(/&/g, \"&\")\n    .replace(//g, \">\")\n    .replace(/\"/g, \""\")\n    .replace(/'/g, \"'\");\n}\n\nfunction errorResponse(message: string, status: number): Response {\n  return new Response(message, {\n    status,\n    headers: { \"content-type\": \"text/plain; charset=utf-8\" },\n  });\n}\n\n// --- Main handler -----------------------------------------------------\n\nexport default async function (req: Request): Promise {\n  const url = new URL(req.url);\n  const target = url.searchParams.get(\"url\");\n\n  if (!target) {\n    return errorResponse(\n      \"Usage: ?url=\",\n      400,\n    );\n  }\n\n  const clusterId = extractClusterId(target);\n  if (!clusterId) {\n    return errorResponse(\n      \"Could not extract a CourtListener cluster ID from that input. \" +\n        \"Pass a courtlistener.com/opinion/... URL or a bare numeric cluster ID.\",\n      400,\n    );\n  }\n\n  const token = Deno.env.get(\"COURTLISTENER_TOKEN\");\n  if (!token) {\n    return errorResponse(\n      \"Missing COURTLISTENER_TOKEN environment variable.\",\n      500,\n    );\n  }\n\n  const authHeader = { Authorization: `Token ${token}` };\n\n  // --- Step 1: cluster lookup -----------------------------------------\n  let clusterRes: Response;\n  try {\n    clusterRes = await fetchWithTimeout(`${API_BASE}/clusters/${clusterId}/`, {\n      headers: authHeader,\n    });\n  } catch (err) {\n    return errorResponse(\n      `Network error contacting CourtListener (cluster lookup): ${String(err)}`,\n      502,\n    );\n  }\n\n  const clusterRawBody = await clusterRes.text();\n  if (!clusterRes.ok) {\n    return errorResponse(\n      `Cluster lookup failed: HTTP ${clusterRes.status}\\n${clusterRawBody}`,\n      502,\n    );\n  }\n\n  let cluster: any;\n  try {\n    cluster = JSON.parse(clusterRawBody);\n  } catch {\n    return errorResponse(\n      `Cluster lookup returned non-JSON (HTTP ${clusterRes.status}):\\n${clusterRawBody}`,\n      502,\n    );\n  }\n\n  const caseName: string = cluster.case_name || cluster.case_name_full ||\n    \"Untitled Opinion\";\n  const dateFiled: string = cluster.date_filed || \"\";\n  const court: string = cluster.court_id || \"\";\n  const subOpinionUrls: string[] = cluster.sub_opinions || [];\n  // Prefer CourtListener's own canonical URL over echoing the raw\n  // input back, so a bare cluster ID still produces a working link\n  // and we never render an unvalidated user-supplied href.\n  const canonicalUrl: string = cluster.absolute_url\n    ? `https://www.courtlistener.com${cluster.absolute_url}`\n    : `https://www.courtlistener.com/opinion/${clusterId}/`;\n\n  if (subOpinionUrls.length === 0) {\n    return errorResponse(\"No opinions found on this cluster.\", 404);\n  }\n\n  // --- Step 2: lead opinion lookup -------------------------------------\n  const opinionUrl = subOpinionUrls[0];\n  let opinionRes: Response;\n  try {\n    opinionRes = await fetchWithTimeout(opinionUrl, { headers: authHeader });\n  } catch (err) {\n    return errorResponse(\n      `Network error contacting CourtListener (opinion lookup): ${String(err)}`,\n      502,\n    );\n  }\n\n  const opinionRawBody = await opinionRes.text();\n  if (!opinionRes.ok) {\n    return errorResponse(\n      `Opinion lookup failed: HTTP ${opinionRes.status}\\n${opinionRawBody}`,\n      502,\n    );\n  }\n\n  let opinion: any;\n  try {\n    opinion = JSON.parse(opinionRawBody);\n  } catch {\n    return errorResponse(\n      `Opinion lookup returned non-JSON (HTTP ${opinionRes.status}):\\n${opinionRawBody}`,\n      502,\n    );\n  }\n\n  // html_with_citations is markup and must not be escaped.\n  // plain_text is plain text and MUST be escaped before use.\n  let bodyHtml: string;\n  if (opinion.html_with_citations) {\n    bodyHtml = reflowOpinionHtml(opinion.html_with_citations);\n  } else if (opinion.plain_text) {\n    bodyHtml = reflowOpinionHtml(escapeHtml(opinion.plain_text));\n  } else {\n    return errorResponse(\"No opinion text available for this document.\", 404);\n  }\n\n  const page = `\n\n\n\n\n\n\n${escapeHtml(caseName)}\n\n\n\n${escapeHtml(caseName)}
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