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TemplatesTools & Utilities
CSV / TSV ↔ JSON tabular export
CSV / TSV ↔ JSON tabular export
Paste CSV, TSV, or JSON arrays; detect delimiters with Papa Parse; validate rectangular rows; preview in a table; export JSON, CSV, TSV, or Markdown tables in the browser.
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Problems solved
Technical challenges this implementation handles out of the box.
- Convert pasted CSV, TSV, or JSON arrays into a rectangular table
- Detect delimiters and validate rows with Papa Parse
- Export JSON, CSV, TSV, or GitHub-flavored Markdown tables in-browser
Use cases
Products and workflows this pattern is designed to support.
- Spreadsheet interchange utilities
- API fixture editing
- Markdown table generation
- Offline tabular data cleanup
Setup
Requirements, wiring steps, and what this pattern adds to your project.
Getting started
Pick how you want to pull this pattern in. Then wire env vars and routes the same way.
- 1
Download → Next.js app
Use Download → Next.js app in the preview toolbar. You get a zip scaffold (Pro downloads rewrite preview `/view/.../api/*` paths to `/api/*` automatically).
- 2
Extract the zip and install dependencies
Unzip the archive, then run `pnpm install` (or npm / yarn) in the project folder.
- 3
Customize the agent and tool files
Adapt prompts, tools, and stop conditions in the generated project for your product.
- 4
Run the app and open the pattern route
Run `pnpm dev`, open the setup/checklist page if present, then navigate to the generated pattern route and verify responses.
Files added
3 filesapp/page.tsxapp/layout.tsxREADME.md
Dependencies
17 totalnpm packages
7@hugeicons-pro/core-stroke-rounded@hugeicons/reactfile-saverNext.jspapaparseReactsonner
Registry components
buttoncardcheckboxemptylabelscroll-areaselecttabletabstextarea
Critical files
lib/tabular-export.tsPapa Parse for CSV/TSV with optional header row and delimiter override; JSON array parsing; rectangular validation; GFM pipe-table export; file-saver downloads for JSON, CSV, TSV, Markdown.
Requirements
- Complexity
- Beginner
- Setup time
- ~5 minutes
