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Invoice Generator

Generate PDF invoices from structured JSON data.

Setup

Install Node.js dependencies:

cd invoice-generator && npm install

Set

INVOICE_DIR

environment variable (or in

skills.entries.invoice-generator.env

):

export INVOICE_DIR="/path/to/your/invoices"

This creates the directory structure:

$INVOICE_DIR/
├── configs/    # Optional: saved invoice configs
└── invoices/   # Generated PDF output

Usage

# From stdin (on-the-fly)
cat invoice-data.json | {baseDir}/scripts/generate.sh
From a full file path
{baseDir}/scripts/generate.sh /path/to/invoice-data.json
From a saved config (looks in $INVOICE_DIR/configs/)
{baseDir}/scripts/generate.sh client-template
Loads: $INVOICE_DIR/configs/client-template.json
Output goes to: $INVOICE_DIR/invoices/invoice-{number}.pdf (auto-versions if exists)

Input Data Format

The JSON input must contain these fields:

{
  "company": {
    "name": "Your Company",
    "address": "123 Main St",
    "cityStateZip": "City, State, 12345",
    "country": "Country"
  },
  "client": {
    "name": "Client Name",
    "address": "456 Client Ave",
    "cityStateZip": "City, State, 67890",
    "country": "Country",
    "taxId": "TAX123"
  },
  "invoice": {
    "number": "INV-2025.01",
    "date": "Jan 15 2025",
    "dueDate": "Jan 30 2025"
  },
  "items": [
    {
      "description": "Service description",
      "rate": "1000.00",
      "currency": "USD"
    }
  ],
  "totals": {
    "currency": "USD",
    "total": "1,000.00"
  }
}

See references/data-schema.md for complete field documentation.

Output

The script outputs the path to the generated PDF file on success:

$INVOICE_DIR/invoices/invoice-INV-2025.01.pdf
# If that filename already exists, the script will write:
# $INVOICE_DIR/invoices/invoice-INV-2025.01-2.pdf (then -3, etc.)

Error Handling

Exits with code 1 if JSON is invalid or missing required fields
Exits with code 2 if weasyprint fails to generate PDF
Error messages are written to stderr

Invoice Generator

AI Skill Market Insights

Be Part of the 0+ Developer Community

Invoice Generator

Setup

Usage

From a full file path

From a saved config (looks in $INVOICE_DIR/configs/)

Loads: $INVOICE_DIR/configs/client-template.json

Output goes to: $INVOICE_DIR/invoices/invoice-{number}.pdf (auto-versions if exists)

Input Data Format

Output

Error Handling

Quick Start

Manual Installation

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