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They can be:\n- Single characters (like \"a\", \"b\", \"c\")\n- Emojis (like \"✉️\", \"👋\")\n- Combining characters (like \"é\" which can be \"e\" + \"́\")\n- Complex sequences (like \"👨‍👩‍👧‍👦\" which is a family emoji)\n\nFor example, \"abc✉️\" contains 4 graphemes: \"a\", \"b\", \"c\", and \"✉️\".\n\n## Technical Details\n\n- **Frontend**: React 18.2.0 with TypeScript\n- **Backend**: Hono server for serving the app\n- **Styling**: TailwindCSS\n- **Grapheme Counting**: Uses `Intl.Segmenter` with `granularity: 'grapheme'`\n- **Platform**: Built for Val Town\n\n## Project Structure\n\n```\n├── backend/\n│ └── index.ts # Hono server entry point\n├── frontend/\n│ ├── components/\n│ │ └── App.tsx # Main React component with all logic\n│ ├── index.html # HTML template\n│ └── index.tsx # React entry point\n└── README.md\n```\n\n## Usage\n\n1. Enter text in the textarea\n2. View real-time statistics:\n - **Graphemes**: The number of visual units\n - **Characters**: The total character count\n - **Words**: The number of words\n3. Try the example texts to see complex grapheme counting in action\n\n## Example Results\n\n| Text | Graphemes | Characters | Words |\n|------|-----------|------------|-------|\n| \"abc✉️\" | 4 | 6 | 1 |\n| \"Hello World! 👋\" | 13 | 15 | 2 |\n| \"café 🍵\" | 6 | 8 | 2 |\n| \"👨‍👩‍👧‍👦\" | 1 | 7 | 1 |\n\n## Browser Compatibility\n\nThe app uses `Intl.Segmenter` which is supported in:\n- Chrome 87+\n- Firefox 102+\n- Safari 15+\n- Edge 87+\n\nFor older browsers, it falls back to character counting.\n\n## Development\n\nThis is a Val Town project. The main entry point is `backend/index.ts` which serves the React application.\n\nTo run locally with Deno:\n```bash\ndeno run --allow-net --allow-read backend/index.ts\n``` ",[144],"a0b011fa-5551-11f0-baea-f69ea79377d9",".vtignore","a0b012ae-5551-11f0-baea-f69ea79377d9",10,["D",1751246952489],".git\n.vscode\n.cursorrules\n.DS_Store\nnode_modules\nvendor",[151],"a077c76e-5551-11f0-b44b-f69ea79377d9","shared","a077c8cc-5551-11f0-b44b-f69ea79377d9",["D",1751246952134],"directory",[158],"a057a09c-5551-11f0-bda1-f69ea79377d9","frontend","a057a16e-5551-11f0-bda1-f69ea79377d9",1,["D",1751246951920],[164],"a0684ee2-5551-11f0-a3c1-f69ea79377d9","backend","a0684f96-5551-11f0-a3c1-f69ea79377d9",2,["D",1751246952032],[170],"pulls","branches","forks","envVars",{"_182":139,"_184":139},"connections",{"_182":139,"_183":139},"count","unfilledCount","emptyCount",{"_44":169,"_32":170,"_30":171,"_135":-5,"_42":43,"_41":172,"_137":59,"_39":248,"_13":139,"_34":161,"_36":-5,"_24":25,"_141":-5,"_197":249,"_27":250},{"_44":243,"_32":33,"_30":31,"_135":171,"_42":43,"_41":14,"_137":59,"_39":244,"_13":166,"_34":38,"_36":37,"_24":25,"_141":245,"_197":246,"_27":247},{"_44":163,"_32":164,"_30":165,"_135":-5,"_42":43,"_41":166,"_137":59,"_39":240,"_13":139,"_34":161,"_36":-5,"_24":25,"_141":-5,"_197":241,"_27":242},{"_44":235,"_32":234,"_30":228,"_135":165,"_42":43,"_41":236,"_137":59,"_39":237,"_13":139,"_34":161,"_36":-5,"_24":25,"_141":-5,"_197":238,"_27":239},{"_44":225,"_32":226,"_30":227,"_135":228,"_42":43,"_41":229,"_137":25,"_39":230,"_13":139,"_34":35,"_36":231,"_24":25,"_141":-5,"_197":232,"_27":233},{"_44":217,"_32":218,"_30":219,"_135":165,"_42":43,"_41":220,"_137":59,"_39":221,"_13":139,"_34":20,"_36":222,"_24":25,"_141":-5,"_197":223,"_27":224},{"_44":209,"_32":210,"_30":211,"_135":165,"_42":43,"_41":212,"_137":59,"_39":213,"_13":139,"_34":35,"_36":214,"_24":25,"_141":-5,"_197":215,"_27":216},{"_44":157,"_32":158,"_30":159,"_135":-5,"_42":43,"_41":63,"_137":59,"_39":206,"_13":139,"_34":161,"_36":-5,"_24":25,"_141":-5,"_197":207,"_27":208},{"_44":150,"_32":151,"_30":152,"_135":-5,"_42":43,"_41":153,"_137":59,"_39":203,"_13":139,"_34":20,"_36":155,"_24":25,"_141":-5,"_197":204,"_27":205},{"_44":143,"_32":144,"_30":145,"_135":-5,"_42":43,"_41":146,"_137":25,"_39":200,"_13":139,"_34":20,"_36":148,"_24":25,"_141":-5,"_197":201,"_27":202},{"_44":132,"_32":133,"_30":134,"_135":-5,"_42":43,"_41":136,"_137":59,"_39":196,"_13":139,"_34":20,"_36":140,"_24":25,"_141":-5,"_197":198,"_27":199},["D",1751246952332],"children",[],[133],["D",1751246952429],[],[144],["D",1751246952489],[],[151],["D",1751246952134],[],[158],"a0adb108-5551-11f0-aef4-f69ea79377d9","index.tsx","a0adb19e-5551-11f0-aef4-f69ea79377d9",9,["D",1751246952332],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\n\nimport React from \"https://esm.sh/react@18.2.0\";\nimport { createRoot } from \"https://esm.sh/react-dom@18.2.0/client\";\nimport { App } from \"./components/App.tsx\";\n\nconst root = createRoot(document.getElementById(\"root\")!);\nroot.render();\n",[],[164,210],"a0960daa-5551-11f0-8cb4-f69ea79377d9","index.html","a0960e68-5551-11f0-8cb4-f69ea79377d9",5,["D",1751246952331],"\n\n \n \n \n Grapheme Counter\n \n\n \n \n\n \n \n\n \n \n \n

\n \n \n\n",[],[164,218],"a0985b6e-5551-11f0-96fa-f69ea79377d9","App.tsx","a0985c36-5551-11f0-96fa-f69ea79377d9","a085ac6c-5551-11f0-8cb4-f69ea79377d9",6,["D",1751246952335],"/** @jsxImportSource https://esm.sh/react@18.2.0 */\n\nimport React, { useState, useEffect } from \"https://esm.sh/react@18.2.0\";\n\n// Types\ninterface CountResult {\n graphemeCount: number;\n characterCount: number;\n wordCount: number;\n}\n\n// Utility functions\nfunction countGraphemes(text: string): number {\n if (!text) return 0;\n\n try {\n // Use Intl.Segmenter for accurate grapheme counting\n const segmenter = new Intl.Segmenter(\"en\", { granularity: \"grapheme\" });\n const segments = segmenter.segment(text);\n return Array.from(segments).length;\n } catch (error) {\n // Fallback for browsers that don't support Intl.Segmenter\n console.warn(\"Intl.Segmenter not supported, using fallback method\");\n return text.length;\n }\n}\n\nfunction getTextStats(text: string): CountResult {\n const graphemeCount = countGraphemes(text);\n const characterCount = text.length;\n const wordCount = text\n .trim()\n .split(/\\s+/)\n .filter((word) => word.length > 0).length;\n\n return {\n graphemeCount,\n characterCount,\n wordCount,\n };\n}\n\nfunction getExampleTexts(): string[] {\n return [\n \"Hello World! 👋\",\n \"abc✉️\",\n \"café 🍵\",\n \"नमस्ते 🌍\",\n \"👨‍👩‍👧‍👦\",\n \"🏳️‍🌈\",\n \"Z͑ͫ̓ͪ̂ͫ̽͏̴̙̤̞͉͚̯̞̠͍A̴̵̜̰͔ͫ͗͢L̠ͨͧͩ͘G̴̻͈͍͔̹̑͗̎̅͛́Ȯ̴̴̖̙̘̗̘̬̭̮͎̗̫̫̫̫ͯ̐̅͗͌͛̃̋͌̔̇ͯͬͩ̚͜!̰̙̗̿̊͋͐ͥͪ̊ͮ̏͐ͧͮ͐\",\n ];\n}\n\nexport function App() {\n const [text, setText] = useState(\"\");\n const [stats, setStats] = useState({\n graphemeCount: 0,\n characterCount: 0,\n wordCount: 0,\n });\n const [exampleTexts] = useState(getExampleTexts());\n\n // Update stats whenever text changes\n useEffect(() => {\n const newStats = getTextStats(text);\n setStats(newStats);\n }, [text]);\n\n const handleTextChange = (e: React.ChangeEvent) => {\n setText(e.target.value);\n };\n\n const handleExampleClick = (exampleText: string) => {\n setText(exampleText);\n };\n\n const clearText = () => {\n setText(\"\");\n };\n\n return (\n

\n {/* Header */}\n

\n Grapheme Counter\n

\n Count graphemes in text including emojis and complex characters\n

\n\n {/* Main Content */}\n

\n {/* Text Input */}\n

\n \n Enter your text:\n \n \n

\n \n Clear text\n \n

\n\n {/* Statistics */}\n

\n {stats.graphemeCount}\n

Graphemes

\n {stats.characterCount}\n

Characters

\n {stats.wordCount}\n

Words

\n\n {/* Explanation */}\n

\n What are graphemes?\n

\n Graphemes are the smallest units of a writing system. They can be\n single characters, emojis, or combinations of characters that form\n a single visual unit. For example, \"abc✉️\" contains 4 graphemes:\n \"a\", \"b\", \"c\", and \"✉️\".\n

\n\n {/* Example Texts */}\n

\n Try these examples:\n

\n {exampleTexts.map((exampleText, index) => (\n handleExampleClick(exampleText)}\n className=\"text-left p-3 border border-gray-200 rounded-lg hover:bg-gray-50 hover:border-gray-300 transition-colors\"\n >\n

{exampleText}

\n {countGraphemes(exampleText)} graphemes\n

\n \n ))}\n

\n\n {/* Footer */}\n

\n Built with React and Intl.Segmenter for accurate grapheme counting\n

\n );\n}\n",[],[164,234,226],"components","a085abcc-5551-11f0-8cb4-f69ea79377d9",4,["D",1751246952225],[189],[164,234],["D",1751246951920],[188,190,191],[164],"b991592c-5551-11f0-8f38-f69ea79377d9",["D",1751246994236],"grapheme",[],[170,33],["D",1751246952032],[186],[170],["D",1751246125761],{"_97":96,"_104":100},{"_97":96,"_98":-5,"_99":100,"_18":56,"_101":102,"_103":25},{"_13":86,"_32":87,"_44":43,"_88":45,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":46,"_95":96},"ctx",{"_79":-5,"_123":288,"_289":290,"_291":292,"_293":25,"_294":25,"_295":25,"_296":59,"_297":-5,"_298":-7,"_299":-7,"_300":139,"_301":25,"_302":25,"_303":-5,"_304":25,"_305":25,"_306":25,"_307":-5},"ENV",{"_259":260,"_261":262,"_263":87,"_264":265,"_266":267,"_268":269,"_270":271,"_272":273,"_274":275,"_276":277,"_278":279,"_280":281,"_282":283,"_284":285,"_286":287},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","fdb67791413f4386b4dbf18f354029a617f6160f","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 · v12