JSON Diff Viewer

[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_188":189,"_190":191},"routes/_app.x.$handle.$name",{"_98":97,"_32":46,"_107":88,"_27":108,"_13":14,"_109":-5,"_11":110,"_111":112,"_113":114,"_115":116,"_117":118,"_20":-5,"_119":-5,"_120":-5,"_121":25,"_122":123,"_124":60,"_125":-5,"_126":-5,"_127":128},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_44":45,"_32":46,"_39":47,"_48":-5,"_49":25,"_50":51,"_52":51,"_53":54,"_55":-5,"_18":56,"_57":58,"_59":60,"_61":-5,"_62":-5,"_63":64,"_65":66,"_67":-5,"_68":-5,"_69":-5,"_70":-5,"_71":72,"_73":72,"_74":75,"_76":75,"_77":75,"_78":72,"_79":72,"_80":81,"_82":83,"_84":85,"_86":25},"version",15,"changes",[19],"aiChatInfo","userId",{"_20":21,"_22":23,"_24":25,"_26":25,"_27":28,"_29":28},"file",{"_30":31,"_32":33,"_34":35,"_36":38,"_39":40,"_41":14,"_42":43,"_24":25},"previous",{"_30":31,"_32":33,"_34":35,"_36":37},"deleted",false,"deletedHere","path","views/app.ts","latestPath","fileId","05ef5de2-ee71-11f0-a9c3-42dde27851f2","name","app.ts","fileType","script","content","export const appJs = `\nimport React, { useState, useCallback, useEffect } from 'https://esm.sh/react@18';\nimport { createRoot } from 'https://esm.sh/react-dom@18/client';\nimport * as Diff from 'https://esm.sh/diff@5.2.0';\n\nconst h = React.createElement;\n\nconst defaultLeft = JSON.stringify({\n name: \"my-package\",\n version: \"1.0.0\",\n dependencies: {\n lodash: \"^4.17.21\"\n }\n}, null, 2);\n\nconst defaultRight = JSON.stringify({\n name: \"my-package\",\n version: \"1.1.0\",\n dependencies: {\n lodash: \"^4.17.21\",\n axios: \"^1.6.0\"\n },\n devDependencies: {\n typescript: \"^5.0.0\"\n }\n}, null, 2);\n\nfunction InputPanel({ label, value, onChange, onFormat }) {\n return h('div', { className: 'panel' },\n h('label', null,\n label,\n h('button', { onClick: onFormat }, 'Format')\n ),\n h('textarea', {\n value,\n onChange: (e) => onChange(e.target.value),\n placeholder: 'Paste JSON here...',\n spellCheck: false,\n })\n );\n}\n\nfunction SplitDiffView({ left, right }) {\n const diff = Diff.diffLines(left, right);\n \n let leftLineNum = 1;\n let rightLineNum = 1;\n\n return h('div', { className: 'diff-split' },\n h('div', { className: 'diff-pane' },\n h('div', { className: 'diff-header' }, 'before.json'),\n h('div', { className: 'diff-content' },\n diff.map((part, i) => {\n if (part.added) return null;\n \n const lines = part.value.split('\\\\n').filter((_, idx, arr) => \n idx < arr.length - 1 || arr[idx] !== ''\n );\n \n return lines.map((line, j) => {\n const lineNum = leftLineNum++;\n const isRemoved = part.removed;\n return h('div', { \n key: i + '-' + j,\n className: 'diff-line' + (isRemoved ? ' removed' : ''),\n },\n h('span', { className: 'line-num' }, lineNum),\n h('span', { className: 'line-indicator' }, isRemoved ? '−' : ' '),\n h('span', { className: 'line-content' }, line || ' ')\n );\n });\n })\n )\n ),\n h('div', { className: 'diff-pane' },\n h('div', { className: 'diff-header' }, 'after.json'),\n h('div', { className: 'diff-content' },\n diff.map((part, i) => {\n if (part.removed) return null;\n \n const lines = part.value.split('\\\\n').filter((_, idx, arr) => \n idx < arr.length - 1 || arr[idx] !== ''\n );\n \n return lines.map((line, j) => {\n const lineNum = rightLineNum++;\n const isAdded = part.added;\n return h('div', { \n key: i + '-' + j,\n className: 'diff-line' + (isAdded ? ' added' : ''),\n },\n h('span', { className: 'line-num' }, lineNum),\n h('span', { className: 'line-indicator' }, isAdded ? '+' : ' '),\n h('span', { className: 'line-content' }, line || ' ')\n );\n });\n })\n )\n )\n );\n}\n\nfunction UnifiedDiffView({ left, right }) {\n const diff = Diff.diffLines(left, right);\n \n let oldLineNum = 1;\n let newLineNum = 1;\n\n const lines = [];\n \n diff.forEach((part, i) => {\n const partLines = part.value.split('\\\\n').filter((_, idx, arr) => \n idx < arr.length - 1 || arr[idx] !== ''\n );\n \n partLines.forEach((line, j) => {\n if (part.removed) {\n lines.push({\n key: i + '-' + j,\n type: 'removed',\n oldNum: oldLineNum++,\n newNum: null,\n content: line\n });\n } else if (part.added) {\n lines.push({\n key: i + '-' + j,\n type: 'added',\n oldNum: null,\n newNum: newLineNum++,\n content: line\n });\n } else {\n lines.push({\n key: i + '-' + j,\n type: 'unchanged',\n oldNum: oldLineNum++,\n newNum: newLineNum++,\n content: line\n });\n }\n });\n });\n\n return h('div', { className: 'diff-unified' },\n h('div', { className: 'diff-header' }, 'before.json → after.json'),\n h('div', { className: 'diff-content' },\n lines.map(line => \n h('div', { \n key: line.key,\n className: 'diff-line ' + line.type,\n },\n h('span', { className: 'line-num old' }, line.oldNum || ''),\n h('span', { className: 'line-num new' }, line.newNum || ''),\n h('span', { className: 'line-indicator' }, \n line.type === 'added' ? '+' : line.type === 'removed' ? '−' : ' '\n ),\n h('span', { className: 'line-content' }, line.content || ' ')\n )\n )\n )\n );\n}\n\nfunction DiffView({ left, right, isMobile }) {\n if (isMobile) {\n return h(UnifiedDiffView, { left, right });\n }\n return h(SplitDiffView, { left, right });\n}\n\nfunction App() {\n const [left, setLeft] = useState(defaultLeft);\n const [right, setRight] = useState(defaultRight);\n const [error, setError] = useState(null);\n const [diffKey, setDiffKey] = useState(0);\n const [isMobile, setIsMobile] = useState(window.innerWidth < 768);\n\n useEffect(() => {\n const handleResize = () => setIsMobile(window.innerWidth < 768);\n window.addEventListener('resize', handleResize);\n return () => window.removeEventListener('resize', handleResize);\n }, []);\n\n const formatJson = useCallback((setter, value) => {\n try {\n const parsed = JSON.parse(value);\n setter(JSON.stringify(parsed, null, 2));\n setError(null);\n } catch (e) {\n setError('Invalid JSON: ' + e.message);\n }\n }, []);\n\n const runDiff = useCallback(() => {\n setError(null);\n try {\n JSON.parse(left);\n JSON.parse(right);\n setDiffKey(k => k + 1);\n } catch (e) {\n setError('Invalid JSON: ' + e.message);\n }\n }, [left, right]);\n\n return h('div', null,\n h('header', { className: 'header' },\n h('h1', { className: 'title' }, 'JSON Diff Viewer'),\n h('p', { className: 'subtitle' }, 'Compare and format JSON objects')\n ),\n\n h('div', { className: 'inputs' },\n h(InputPanel, {\n label: 'Before',\n value: left,\n onChange: setLeft,\n onFormat: () => formatJson(setLeft, left),\n }),\n h(InputPanel, {\n label: 'After',\n value: right,\n onChange: setRight,\n onFormat: () => formatJson(setRight, right),\n })\n ),\n\n h('div', { className: 'actions' },\n h('button', { className: 'primary', onClick: runDiff }, 'Compare'),\n h('button', {\n onClick: () => {\n formatJson(setLeft, left);\n formatJson(setRight, right);\n },\n }, 'Format Both')\n ),\n\n error && h('div', { className: 'error' }, error),\n\n h('div', { className: 'diff-container' },\n h(DiffView, { key: diffKey, left, right, isMobile })\n )\n );\n}\n\ncreateRoot(document.getElementById('root')).render(h(App));\n`;\n","export const appJs = `\nimport React, { useState, useCallback, useEffect } from 'https://esm.sh/react@18';\nimport { createRoot } from 'https://esm.sh/react-dom@18/client';\nimport * as Diff from 'https://esm.sh/diff@5.2.0';\n\nconst h = React.createElement;\n\nconst defaultLeft = JSON.stringify({\n name: \"my-package\",\n version: \"1.0.0\",\n dependencies: {\n lodash: \"^4.17.21\"\n }\n}, null, 2);\n\nconst defaultRight = JSON.stringify({\n name: \"my-package\",\n version: \"1.1.0\",\n dependencies: {\n lodash: \"^4.17.21\",\n axios: \"^1.6.0\"\n },\n devDependencies: {\n typescript: \"^5.0.0\"\n }\n}, null, 2);\n\nfunction InputPanel({ label, value, onChange, onPaste }) {\n return h('div', { className: 'panel' },\n h('label', null, label),\n h('textarea', {\n value,\n onChange: (e) => onChange(e.target.value),\n onPaste,\n placeholder: 'Paste JSON here...',\n spellCheck: false,\n })\n );\n}\n\nfunction SplitDiffView({ left, right }) {\n const diff = Diff.diffLines(left, right);\n \n let leftLineNum = 1;\n let rightLineNum = 1;\n\n return h('div', { className: 'diff-split' },\n h('div', { className: 'diff-pane' },\n h('div', { className: 'diff-header' }, 'before.json'),\n h('div', { className: 'diff-content' },\n diff.map((part, i) => {\n if (part.added) return null;\n \n const lines = part.value.split('\\\\n').filter((_, idx, arr) => \n idx < arr.length - 1 || arr[idx] !== ''\n );\n \n return lines.map((line, j) => {\n const lineNum = leftLineNum++;\n const isRemoved = part.removed;\n return h('div', { \n key: i + '-' + j,\n className: 'diff-line' + (isRemoved ? ' removed' : ''),\n },\n h('span', { className: 'line-num' }, lineNum),\n h('span', { className: 'line-indicator' }, isRemoved ? '−' : ' '),\n h('span', { className: 'line-content' }, line || ' ')\n );\n });\n })\n )\n ),\n h('div', { className: 'diff-pane' },\n h('div', { className: 'diff-header' }, 'after.json'),\n h('div', { className: 'diff-content' },\n diff.map((part, i) => {\n if (part.removed) return null;\n \n const lines = part.value.split('\\\\n').filter((_, idx, arr) => \n idx < arr.length - 1 || arr[idx] !== ''\n );\n \n return lines.map((line, j) => {\n const lineNum = rightLineNum++;\n const isAdded = part.added;\n return h('div', { \n key: i + '-' + j,\n className: 'diff-line' + (isAdded ? ' added' : ''),\n },\n h('span', { className: 'line-num' }, lineNum),\n h('span', { className: 'line-indicator' }, isAdded ? '+' : ' '),\n h('span', { className: 'line-content' }, line || ' ')\n );\n });\n })\n )\n )\n );\n}\n\nfunction UnifiedDiffView({ left, right }) {\n const diff = Diff.diffLines(left, right);\n \n let oldLineNum = 1;\n let newLineNum = 1;\n\n const lines = [];\n \n diff.forEach((part, i) => {\n const partLines = part.value.split('\\\\n').filter((_, idx, arr) => \n idx < arr.length - 1 || arr[idx] !== ''\n );\n \n partLines.forEach((line, j) => {\n if (part.removed) {\n lines.push({\n key: i + '-' + j,\n type: 'removed',\n oldNum: oldLineNum++,\n newNum: null,\n content: line\n });\n } else if (part.added) {\n lines.push({\n key: i + '-' + j,\n type: 'added',\n oldNum: null,\n newNum: newLineNum++,\n content: line\n });\n } else {\n lines.push({\n key: i + '-' + j,\n type: 'unchanged',\n oldNum: oldLineNum++,\n newNum: newLineNum++,\n content: line\n });\n }\n });\n });\n\n return h('div', { className: 'diff-unified' },\n h('div', { className: 'diff-header' }, 'before.json → after.json'),\n h('div', { className: 'diff-content' },\n lines.map(line => \n h('div', { \n key: line.key,\n className: 'diff-line ' + line.type,\n },\n h('span', { className: 'line-num old' }, line.oldNum || ''),\n h('span', { className: 'line-num new' }, line.newNum || ''),\n h('span', { className: 'line-indicator' }, \n line.type === 'added' ? '+' : line.type === 'removed' ? '−' : ' '\n ),\n h('span', { className: 'line-content' }, line.content || ' ')\n )\n )\n )\n );\n}\n\nfunction DiffView({ left, right, isMobile }) {\n if (isMobile) {\n return h(UnifiedDiffView, { left, right });\n }\n return h(SplitDiffView, { left, right });\n}\n\nfunction App() {\n const [left, setLeft] = useState(defaultLeft);\n const [right, setRight] = useState(defaultRight);\n const [error, setError] = useState(null);\n const [diffKey, setDiffKey] = useState(0);\n const [isMobile, setIsMobile] = useState(window.innerWidth < 768);\n\n useEffect(() => {\n const handleResize = () => setIsMobile(window.innerWidth < 768);\n window.addEventListener('resize', handleResize);\n return () => window.removeEventListener('resize', handleResize);\n }, []);\n\n const formatJson = useCallback((setter, value) => {\n try {\n const parsed = JSON.parse(value);\n setter(JSON.stringify(parsed, null, 2));\n setError(null);\n } catch (e) {\n setError('Invalid JSON: ' + e.message);\n }\n }, []);\n\n const runDiff = useCallback(() => {\n setError(null);\n try {\n JSON.parse(left);\n JSON.parse(right);\n setDiffKey(k => k + 1);\n } catch (e) {\n setError('Invalid JSON: ' + e.message);\n }\n }, [left, right]);\n\n return h('div', null,\n h('header', { className: 'header' },\n h('h1', { className: 'title' }, 'JSON Diff Viewer'),\n h('p', { className: 'subtitle' }, 'Compare and format JSON objects')\n ),\n\n h('div', { className: 'inputs' },\n h(InputPanel, {\n label: 'Before',\n value: left,\n onChange: setLeft,\n onFormat: () => formatJson(setLeft, left),\n }),\n h(InputPanel, {\n label: 'After',\n value: right,\n onChange: setRight,\n onFormat: () => formatJson(setRight, right),\n })\n ),\n\n h('div', { className: 'actions' },\n h('button', { className: 'primary', onClick: runDiff }, 'Compare'),\n h('button', {\n onClick: () => {\n formatJson(setLeft, left);\n formatJson(setRight, right);\n },\n }, 'Format Both')\n ),\n\n error && h('div', { className: 'error' }, error),\n\n h('div', { className: 'diff-container' },\n h(DiffView, { key: diffKey, left, right, isMobile })\n )\n );\n}\n\ncreateRoot(document.getElementById('root')).render(h(App));\n`;\n","createdAt",["D",1768159535540],"branchVersion","branchId","f1a855c4-ee6f-11f0-b97d-42dde27851f2","id","f1a8187a-ee6f-11f0-b97d-42dde27851f2","jsonDiffViewer",["D",1768082501157],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","JSON diff viewer with 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const html = `\n\n\n \n \n JSON Diff Viewer\n \n\n\n

\n \n\n`;\n",[],[144,169],"4dbbbea6-ef23-11f0-b968-42dde27851f2",["D",1768159535540],[],[144,33],["D",1768082932405],[161,162],[144],["D",1768082501157],{"_98":97,"_106":102},{"_98":97,"_99":100,"_101":102,"_18":56,"_103":104,"_105":25},{"_13":87,"_32":88,"_44":43,"_89":45,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":-5,"_95":46,"_96":97},"ctx",{"_80":-5,"_126":221,"_222":223,"_224":225,"_226":25,"_227":25,"_228":25,"_229":60,"_230":-5,"_231":-7,"_232":-7,"_233":64,"_234":25,"_235":25,"_236":-5,"_237":25,"_238":25,"_239":25,"_240":-5},"ENV",{"_192":193,"_194":195,"_196":88,"_197":198,"_199":200,"_201":202,"_203":204,"_205":206,"_207":208,"_209":210,"_211":212,"_213":214,"_215":216,"_217":218,"_219":220},"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"]

Diff · v15