JSONL Viewer

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\n \n\n`;\n",[],[81,98],"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",[],[81,107],"bdddd95e-5ea3-11f1-a0cc-1607ee4eb77e",["D",1780419278320],"legacyEnvVars","httpPrivacy","description","JSONL viewer with collapsible, syntax-highlighted JSON","imageUrl","userId","3ee322c5-8742-48e0-86c7-5f3ae129683b","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_11":12,"_158":154},"org",{"_11":12,"_151":152,"_153":154,"_122":123,"_155":156,"_157":50},"branch",{"_17":109,"_13":16,"_35":66,"_41":115,"_44":36,"_45":43,"_148":52,"_149":42,"_150":55,"_56":14,"_53":12},"forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","displayName","Kamal","avatar","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvb2F1dGhfZ2l0aHViL2ltZ18yaVpXT3l1d2hWSFdtWTNoZFIwZ0lFUUhOd2oifQ","tier","pro","canRestrictVals","profileImageUrl","adoptOrgId",{"_35":115,"_13":14,"_37":208,"_48":-5,"_117":50,"_51":52,"_118":52,"_119":120,"_121":-5,"_122":123,"_124":63,"_125":70,"_126":-5,"_127":-5,"_128":33,"_54":55,"_129":-5,"_130":-5,"_131":-5,"_132":-5,"_133":134,"_135":134,"_136":137,"_138":137,"_139":137,"_140":134,"_141":134,"_142":209,"_144":210,"_146":211,"_49":50},[196,199],"files",[196,197,198,199],"counts",{"_187":33,"_188":68,"_189":33,"_34":190,"_191":192},[183,184],"upstreamProject",{"_35":42,"_13":57,"_119":181,"_121":-5,"_51":52,"_142":182},"upstreamBranch",{"_35":36,"_37":179,"_39":180,"_13":16,"_41":42,"_17":43,"_44":-5,"_45":-5,"_46":47,"_48":-5,"_49":50,"_51":52,"_53":12,"_54":55,"_56":57},"emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},["D",1768082501157],["D",1768160852627],"JSON diff viewer with @pierre/diffs",{"_11":12,"_158":154},{"_35":80,"_13":81,"_62":82,"_64":-5,"_65":66,"_67":68,"_69":70,"_37":83,"_17":33,"_72":84,"_74":-5,"_76":50,"_77":-5,"_18":186},{"_35":60,"_13":61,"_62":63,"_64":-5,"_65":66,"_67":68,"_69":70,"_37":71,"_17":33,"_72":73,"_74":75,"_76":50,"_77":78,"_18":185},[61],[81],"pulls","branches","forks",{"_193":33,"_195":33},"connections",{"_193":33,"_194":33},"count","unfilledCount","emptyCount",{"_35":80,"_13":81,"_62":82,"_64":-5,"_65":66,"_67":68,"_69":70,"_37":92,"_17":33,"_72":84,"_74":-5,"_76":50,"_77":-5,"_89":206,"_18":207},{"_35":106,"_13":107,"_62":108,"_64":82,"_65":66,"_67":109,"_69":70,"_37":110,"_17":111,"_72":102,"_74":112,"_76":50,"_77":-5,"_89":204,"_18":205},{"_35":97,"_13":98,"_62":99,"_64":82,"_65":66,"_67":31,"_69":70,"_37":100,"_17":101,"_72":102,"_74":103,"_76":50,"_77":-5,"_89":202,"_18":203},{"_35":60,"_13":61,"_62":63,"_64":-5,"_65":66,"_67":68,"_69":70,"_37":88,"_17":33,"_72":73,"_74":75,"_76":50,"_77":78,"_89":200,"_18":201},[],[61],[],[81,98],[],[81,107],[197,198],[81],["D",1780419278320],{"_11":12,"_158":154},{"_11":12,"_151":152,"_153":154,"_122":123,"_155":156,"_157":50},{"_17":109,"_13":16,"_35":66,"_41":115,"_44":36,"_45":43,"_148":52,"_149":42,"_150":55,"_56":14,"_53":12},"ctx",{"_142":-5,"_176":245,"_246":247,"_248":249,"_250":50,"_251":50,"_252":50,"_253":70,"_254":-5,"_255":-7,"_256":-7,"_257":33,"_258":50,"_259":50,"_260":-5,"_261":50,"_262":50,"_263":50,"_264":-5},"ENV",{"_216":217,"_218":219,"_220":16,"_221":222,"_223":224,"_225":226,"_227":228,"_229":230,"_231":232,"_233":234,"_235":236,"_237":238,"_239":240,"_241":242,"_243":244},"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"]

Code