How to vibe codeFillout

Prerequisites

• Node.jsfree

  Required for running the Next.js development environment and managing project packages.

• GitHubfree

  For source control and continuous deployment integration.

AI coding tools

• Claude Code

  Best-in-class multi-file agentic coding tool for scaffolding complex form logic and state machines directly from the terminal.

• Cursor

  Ideal for fine-tuning React form rendering components and debugging client-side state validation loops.

Build guide

1. 01Scaffold Project & Database Schema

   Initialize the Next.js application with Tailwind CSS, configure Supabase connection, and set up relational tables for forms, pages, fields, conditional rules, and submissions.

   Create a new Next.js project configured with TypeScript, Tailwind CSS, and standard directory structure. Set up a Supabase database client and write the database schema migration scripts for tables: `forms` (id, title, user_id, settings), `form_pages` (id, form_id, order_index), `form_fields` (id, page_id, type, label, validation_rules, conditional_logic), and `submissions` (id, form_id, payload jsonb, created_at). Implement robust error handling on database connection failures and ensure TypeScript types match the schema precisely.

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2. 02Build Visual Form Builder Interface

   Develop a drag-and-drop style form builder canvas where users can add, reorder, and configure field types across multiple pages.

   Build a dashboard page in Next.js featuring a visual form builder canvas. Allow users to add different question types (text, number, select, multi-select, file upload, rating), reorder fields across multiple pages using client-side state management, and configure field properties via a sidebar editor. Save form configurations atomically back to Supabase via Server Actions with optimistic UI updates and validation checks.

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3. 03Implement Conditional Logic Engine

   Build a client-side expression evaluator and state machine that dynamically shows or hides form elements and pages based on previous input values.

   Implement a conditional logic engine for the form runner component. Allow form creators to define rules (e.g., if field X equals value Y, show field Z or skip to page N). Build a robust evaluator function that runs on input change, handling complex multi-variable conditions and nested logic trees without performance degradation. Ensure hidden fields clear their values automatically and validation respects visibility states.

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4. 04Construct Public Form Runner & Response Collection

   Create a clean public-facing form renderer with multi-step progression, answer piping, progress bars, and secure response submission handling.

   Build a responsive public form runner route (`/f/[formId]`) that fetches published form definitions, renders pages sequentially with smooth transitions, supports answer piping (displaying previous inputs dynamically in labels/text), and validates field inputs per page. Handle submission posting securely via a Next.js Server Action that verifies required fields, writes the response payload as JSONB to the `submissions` table, and displays a customizable completion screen or redirect.

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5. 05Integrate Third-Party Database Syncing & Webhooks

   Add background sync capabilities to push new form submissions directly to external REST endpoints and Airtable bases.

   Implement a webhook and integration sync module. When a new submission is saved to Supabase, trigger an asynchronous background worker task that formats the submission payload and dispatches it to configured webhook URLs or the Airtable API. Handle API rate limiting, retry logic on network failures, and display integration sync logs within the form dashboard.

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6. 06Add PDF Document Generation & Analytics

   Build a response review dashboard with summary analytics charts and server-side PDF generation for individual submissions.

   Build a form analytics and response review dashboard. Create summary charts showing response counts over time and drop-off rates per page. Implement a server-side PDF generation route using `pdfkit` or equivalent that formats a specific submission record into a downloadable, styled summary document matching the form layout.

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