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WTSolutions
WTSolutions

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Sheet-to-Doc Skill

A simplified AI Skill for generating Word documents from Word templates and JSON data. This is a free simplified version of full-featured Sheet-to-Doc product.

Features

  • Document Generation: Replace {field} placeholders in Word templates with JSON data
  • Placeholder Extraction: Extract all placeholder keys from templates for data validation
  • Footer Mark: Automatically adds footer attribution to generated documents
  • Cross-Platform: Works on Windows, macOS, and Linux
  • Command Line Interface: Easy to use via terminal
  • API Access: Import as a module for programmatic use

Requirements

  • Node.js 18+
  • docxtemplater
  • pizzip

Installation

OpenClaw Installation

npm install -g openclaw

openclaw skills install @he-yang/sheet-to-doc-skill

Skills Installation

npx skills add https://github.com/he-yang/sheet-to-doc-skill --skill sheet-to-doc-skill

Quick Start

1. Create a Word Template

Create a .docx file with {field} format placeholders:

Dear {name},

Welcome to {company}. Your position is {position}.

Email: {email}
Phone: {phone}
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2. Prepare JSON Data 

{
  "name": "John Doe",
  "company": "Example Tech Co., Ltd.",
  "position": "Senior Engineer",
  "email": "john.doe@example.com",
  "phone": "+86 13800138000"
}
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3. Generate Document

Using Command Line 

# Basic usage
node scripts/generate.js \
  --template template.docx \
  --data data.json \
  --output output.docx

# Using short parameters
node scripts/generate.js -t template.docx -d data.json -o output.docx

# Using JSON string directly
node scripts/generate.js -t template.docx -d '{"name":"John","company":"Example"}' -o output.docx
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Using API 

import { generateDocument } from './scripts/generate.js';

const result = generateDocument(
    'template.docx',
    { 'name': 'John Doe', 'company': 'Example Tech' },
    'output.docx'
);

console.log(`Document generated: ${result}`);
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Placeholder Extraction

Extract required placeholders from a template to validate your data:

# Extract placeholders
node scripts/generate.js --extract-placeholders --template template.docx

# Short version
node scripts/generate.js -e -t template.docx
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Output:

{
  "success": true,
  "placeholders": ["company", "email", "name", "phone", "position"],
  "count": 5,
  "message": "Extracted 5 placeholder(s) from template"
}
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API Usage 

import { extractPlaceholders } from './scripts/generate.js';

const placeholders = extractPlaceholders('template.docx');
console.log('Required fields:', placeholders);

// Validate data completeness
const data = { "name": "John", "company": "Example" };
const missingFields = placeholders.filter(field => !data.hasOwnProperty(field));

if (missingFields.length > 0) {
  console.error('Missing fields:', missingFields);
}
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Command Line Options

Option Short Description
--template -t Word template file path (.docx)
--data -d JSON data file path or JSON string
--output -o Output file path
--extract-placeholders -e Extract placeholder keys from template (no generation)

Project Structure 

skill/
├── SKILL.md              # Skill metadata and documentation for AI Agents
├── README.md             # This file
├── package.json          # Project dependencies and scripts
└── scripts/
    └── generate.js       # Core document generation logic
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Debugging

When document generation fails, use the placeholder extraction feature to debug:

import { extractPlaceholders } from './scripts/generate.js';

// Step 1: Extract placeholders from template
const templatePlaceholders = extractPlaceholders('template.docx');

// Step 2: Compare with your data keys
const dataKeys = Object.keys(yourData);

// Step 3: Find mismatches
const missingInData = templatePlaceholders.filter(p => !dataKeys.includes(p));
const extraInData = dataKeys.filter(k => !templatePlaceholders.includes(k));

console.log('Missing keys:', missingInData);
console.log('Extra keys:', extraInData);
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Upgrade to Full Version

This is a simplified free version. For complete features, upgrade to the full Sheet-to-Doc:

  • Batch document generation (each row generates an independent document)
  • Multiple data sources: Excel, CSV, JSONL support
  • Image insertion: {image|_inline_image}
  • QR code generation: {url|_qrcode}
  • Conditional logic: {field==value}
  • Loop processing: {#data}{/data}
  • Document encryption
  • Remove footer attribution

License

MIT License

Support

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