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n8n-code-javascript - n8n JavaScript Code

n8n-code-javascript

n8n JavaScript Code

Community Automation
GitHub

Description

Write JavaScript code in n8n Code nodes for complex data transformation and logic

Use Cases

  • Complex data transformation
  • Custom business logic
  • Data validation and cleaning
  • Dynamic content generation
  • External library calls

Core Capabilities

  • Data Processing: Access and transform input data
  • Logic Control: Conditionals and loops
  • Output Format: Generate correct output structure
  • Error Handling: Catch and handle exceptions

Example

// n8n Code node example
// Transform order data to invoice format


const orders = $input.all();
const invoices = orders.map(order => {
  const items = order.json.items;
  const total = items.reduce((sum, item) =>
    sum + item.price * item.quantity, 0);


  return {
    json: {
      invoiceId: `INV-${order.json.orderId}`,
      customer: order.json.customer,
      items: items,
      subtotal: total,
      tax: total * 0.1,
      total: total * 1.1,
      date: new Date().toISOString()
    }
  };
});


return invoices;

Notes

  • Use $input.all() to get all inputs
  • Return correct data structure
  • Handle empty data cases
  • Add appropriate logging

Applicable Roles

Developer

Tags

n8njavascriptcodetransformation

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