JSONL Viewer

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\n \n\n`;\n","deleted","label",[19,62],"3725446e-5ea4-11f1-bf3a-1607ee4eb77e","app.ts","019e8942-3623-7599-a71f-aa900f5c5f77",6,["D",1780419481788],3,"export const appJs = `\nimport React, { useState, useCallback, useMemo } from 'https://esm.sh/react@18';\nimport { createRoot } from 'https://esm.sh/react-dom@18/client';\nimport { File } from 'https://esm.sh/@pierre/diffs@1.2.7/react?deps=react@18,react-dom@18&bundle';\n\nconst h = React.createElement;\n\nconst defaultInput = [\n JSON.stringify({ id: 1, name: \"Ada Lovelace\", role: \"engineer\", active: true, tags: [\"math\", \"computing\"] }),\n JSON.stringify({ id: 2, name: \"Alan Turing\", role: \"researcher\", active: false, meta: { born: 1912, fields: [\"logic\", \"cryptanalysis\"] } }),\n JSON.stringify({ id: 3, name: \"Grace Hopper\", role: \"admiral\", active: true, projects: null }),\n].join('\\\\n');\n\nconst diffOptions = {\n theme: { dark: 'pierre-dark', light: 'pierre-light' },\n themeType: 'dark',\n overflow: 'wrap',\n};\n\n// ---- Record (one JSONL line) ----------------------------------------------\n\nfunction previewOf(value) {\n try {\n const s = JSON.stringify(value);\n return s.length > 120 ? s.slice(0, 120) + '…' : s;\n } catch {\n return '';\n }\n}\n\nfunction Record({ record }) {\n const [open, setOpen] = useState(true);\n const valid = record.error === null;\n\n // Pretty-print the parsed JSON; @pierre/diffs renders it with\n // Shiki syntax highlighting based on the .json filename.\n const file = useMemo(() => {\n if (!valid) return null;\n return {\n name: 'record-' + record.line + '.json',\n contents: JSON.stringify(record.value, null, 2),\n lang: 'json',\n cacheKey: 'line-' + record.line + '-' + record.raw.length,\n };\n }, [valid, record.line, record.raw, record.value]);\n\n return h('div', { className: 'record' + (valid ? '' : ' invalid') },\n h('div', {\n className: 'record-header',\n onClick: () => setOpen(o => !o),\n },\n h('span', { className: 'record-toggle' }, open ? '▾' : '▸'),\n h('span', { className: 'record-line-num' }, 'line ' + record.line),\n valid\n ? h('span', { className: 'record-preview' }, previewOf(record.value))\n : h('span', { className: 'record-error-msg' }, 'Invalid JSON: ' + record.error)\n ),\n open && (valid\n ? h('div', { className: 'file-wrap' },\n h(File, { file, options: { ...diffOptions, disableFileHeader: true } })\n )\n : h('div', { className: 'json-raw' }, record.raw))\n );\n}\n\n// ---- App ------------------------------------------------------------------\n\nfunction parseJsonl(text) {\n const records = [];\n const lines = text.split('\\\\n');\n lines.forEach((raw, idx) => {\n const trimmed = raw.trim();\n if (trimmed === '') return; // skip blank lines\n let value = null;\n let error = null;\n try {\n value = JSON.parse(trimmed);\n } catch (e) {\n error = e.message;\n }\n records.push({ line: idx + 1, raw: trimmed, value, error });\n });\n return records;\n}\n\nfunction App() {\n const [input, setInput] = useState(defaultInput);\n const [records, setRecords] = useState(() => parseJsonl(defaultInput));\n\n const parse = useCallback(() => {\n setRecords(parseJsonl(input));\n }, [input]);\n\n const stats = useMemo(() => {\n const valid = records.filter(r => r.error === null).length;\n const invalid = records.length - valid;\n return { valid, invalid, total: records.length };\n }, [records]);\n\n return h('div', null,\n h('header', { className: 'header' },\n h('h1', { className: 'title' }, 'JSONL Viewer'),\n h('p', { className: 'subtitle' }, 'Paste JSON Lines (one JSON object per line) to view them formatted')\n ),\n\n h('div', { className: 'panel' },\n h('label', null, 'JSONL input'),\n h('textarea', {\n value: input,\n onChange: (e) => setInput(e.target.value),\n placeholder: '{\"id\": 1, \"name\": \"...\"}\\\\n{\"id\": 2, \"name\": \"...\"}',\n spellCheck: false,\n })\n ),\n\n h('div', { className: 'actions' },\n h('button', { className: 'primary', onClick: parse }, 'Parse'),\n h('span', { className: 'count' },\n stats.total + ' record' + (stats.total === 1 ? '' : 's') +\n (stats.invalid > 0 ? ' · ' + stats.invalid + ' invalid' : '')\n )\n ),\n\n records.length === 0\n ? h('div', { className: 'empty' }, 'No records. Paste some JSONL above and click Parse.')\n : h('div', { className: 'records' },\n records.map(r => h(Record, { key: r.line, record: r }))\n )\n );\n}\n\ncreateRoot(document.getElementById('root')).render(h(App));\n`;\n",[19,82],"bde6faa2-5ea3-11f1-a0cc-1607ee4eb77e",1,["D",1780419278320],"directory",[19],{"_36":89,"_13":19,"_63":66,"_65":-5,"_67":68,"_69":90,"_70":71,"_38":106,"_17":34,"_74":92,"_76":-5,"_78":51,"_79":-5,"_103":107,"_18":108},{"_36":96,"_13":97,"_63":98,"_65":-5,"_67":68,"_69":90,"_70":71,"_38":99,"_17":34,"_74":100,"_76":101,"_78":51,"_79":102,"_103":104,"_18":105},"bde70646-5ea3-11f1-a0cc-1607ee4eb77e","main.ts","019e8942-3623-7599-a71f-b7f57c797680",["D",1780419278320],"http","import { Hono } from \"npm:hono\";\nimport { html } from \"./views/index.ts\";\nimport { appJs } from \"./views/app.ts\";\n\nconst app = new Hono();\n\napp.get(\"/\", (c) => c.html(html));\n\napp.get(\"/app.js\", (c) => {\n return new Response(appJs, {\n headers: { \"Content-Type\": 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