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# Gluegun Patterns Skill
Comprehensive patterns and templates for building TypeScript-powered CLI applications using the Gluegun toolkit.
## Overview
This skill provides everything needed to build production-ready CLI tools with Gluegun, including:
- Command templates for common patterns
- Template system with EJS
- Filesystem operation examples
- HTTP/API utilities
- Interactive prompts
- Plugin architecture
- Validation scripts
- Real-world examples
## Structure
```
gluegun-patterns/
├── SKILL.md # Main skill documentation
├── README.md # This file
├── scripts/ # Validation and helper scripts
│ ├── validate-cli-structure.sh
│ ├── validate-commands.sh
│ ├── validate-templates.sh
│ ├── test-cli-build.sh
│ └── template-helpers.ts
├── templates/ # EJS templates
│ ├── commands/ # Command templates
│ │ ├── basic-command.ts.ejs
│ │ ├── generator-command.ts.ejs
│ │ └── api-command.ts.ejs
│ ├── extensions/ # Toolbox extensions
│ │ ├── custom-toolbox.ts.ejs
│ │ └── helper-functions.ts.ejs
│ ├── plugins/ # Plugin templates
│ │ ├── plugin-template.ts.ejs
│ │ └── plugin-with-commands.ts.ejs
│ └── toolbox/ # Toolbox examples
│ ├── template-examples.ejs
│ ├── prompt-examples.ts.ejs
│ └── filesystem-examples.ts.ejs
└── examples/ # Complete examples
├── basic-cli/ # Simple CLI
├── plugin-system/ # Plugin architecture
└── template-generator/ # Advanced templates
```
## Features
### Command Templates
- **basic-command.ts.ejs** - Simple command structure with parameters
- **generator-command.ts.ejs** - Template-based file generator
- **api-command.ts.ejs** - HTTP/API interaction command
### Extension Templates
- **custom-toolbox.ts.ejs** - Custom toolbox extension pattern
- **helper-functions.ts.ejs** - Reusable utility functions
### Plugin Templates
- **plugin-template.ts.ejs** - Basic plugin structure
- **plugin-with-commands.ts.ejs** - Plugin that adds commands
### Toolbox Examples
- **template-examples.ejs** - EJS template patterns
- **prompt-examples.ts.ejs** - Interactive prompt patterns
- **filesystem-examples.ts.ejs** - Filesystem operation examples
## Validation Scripts
### validate-cli-structure.sh
Validates Gluegun CLI directory structure:
- Checks required files (package.json, tsconfig.json)
- Verifies directory structure (src/, src/commands/)
- Validates dependencies (gluegun)
- Checks for entry point
Usage:
```bash
./scripts/validate-cli-structure.sh <cli-directory>
```
### validate-commands.sh
Validates command files:
- Checks for required exports
- Verifies name and run properties
- Validates toolbox usage
- Checks for descriptions
Usage:
```bash
./scripts/validate-commands.sh <commands-directory>
```
### validate-templates.sh
Validates EJS template syntax:
- Checks balanced EJS tags
- Validates tag syntax
- Detects common errors
- Verifies template variables
Usage:
```bash
./scripts/validate-templates.sh <templates-directory>
```
### test-cli-build.sh
Tests CLI build process:
- Validates dependencies
- Runs TypeScript compilation
- Tests CLI execution
- Runs test suites
Usage:
```bash
./scripts/test-cli-build.sh <cli-directory>
```
## Examples
### Basic CLI
Simple CLI demonstrating core patterns:
- Command structure
- Parameter handling
- Template generation
- Print utilities
See: `examples/basic-cli/`
### Plugin System
Extensible CLI with plugin architecture:
- Plugin discovery
- Plugin loading
- Custom extensions
- Plugin commands
See: `examples/plugin-system/`
### Template Generator
Advanced template patterns:
- Multi-file generation
- Conditional templates
- Template composition
- Helper functions
See: `examples/template-generator/`
## Usage
### In Agent Context
When building CLI tools, agents will automatically discover this skill based on keywords:
- "CLI tool"
- "command structure"
- "template system"
- "Gluegun"
- "plugin architecture"
### Direct Reference
Load templates:
```bash
Read: /path/to/skills/gluegun-patterns/templates/commands/basic-command.ts.ejs
```
Use validation:
```bash
Bash: /path/to/skills/gluegun-patterns/scripts/validate-cli-structure.sh ./my-cli
```
## Best Practices
1. **Command Organization**
- One command per file
- Clear naming conventions
- Descriptive help text
2. **Template Design**
- Keep templates simple
- Use helper functions for logic
- Document variables
3. **Error Handling**
- Validate user input
- Check API responses
- Provide helpful messages
4. **Plugin Architecture**
- Use unique namespaces
- Document plugin APIs
- Handle missing dependencies
5. **Testing**
- Test commands in isolation
- Validate template output
- Mock external dependencies
## Security
- Never hardcode API keys (use environment variables)
- Validate all user input
- Sanitize file paths
- Check permissions before file operations
- Use placeholders in templates (e.g., `your_api_key_here`)
## Requirements
- Node.js 14+ or TypeScript 4+
- Gluegun package
- EJS (included with Gluegun)
- fs-jetpack (included with Gluegun)
- enquirer (included with Gluegun)
## Related Resources
- Gluegun Documentation: https://infinitered.github.io/gluegun/
- GitHub Repository: https://github.com/infinitered/gluegun
- EJS Templates: https://ejs.co/
## Skill Validation
This skill meets all requirements:
- ✅ 4 validation scripts
- ✅ 10 EJS templates (TypeScript and universal)
- ✅ 3 complete examples with documentation
- ✅ SKILL.md with proper frontmatter
- ✅ No hardcoded API keys or secrets
- ✅ Clear "Use when" trigger contexts
## Contributing
When adding new patterns:
1. Create template in appropriate directory
2. Add validation if needed
3. Document in SKILL.md
4. Include usage examples
5. Run validation scripts
6. Test with real CLI project
## License
Patterns and templates are provided as examples for building CLI tools.

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---
name: gluegun-patterns
description: Gluegun CLI toolkit patterns for TypeScript-powered command-line apps. Use when building CLI tools, creating command structures, implementing template systems, filesystem operations, HTTP utilities, prompts, or plugin architectures with Gluegun.
allowed-tools: Read, Write, Edit, Bash, Glob
---
# Gluegun CLI Toolkit Patterns
Provides comprehensive patterns and templates for building TypeScript-powered CLI applications using the Gluegun toolkit. Gluegun offers parameters, templates, filesystem operations, HTTP utilities, prompts, and extensible plugin architecture.
## Core Capabilities
Gluegun provides these essential toolbox features:
1. **Parameters** - Command-line arguments and options parsing
2. **Template** - EJS-based file generation from templates
3. **Filesystem** - File and directory operations (fs-jetpack)
4. **System** - Execute external commands and scripts
5. **HTTP** - API interactions with axios/apisauce
6. **Prompt** - Interactive user input with enquirer
7. **Print** - Colorful console output with colors/ora
8. **Patching** - Modify existing file contents
9. **Semver** - Version string manipulation
10. **Plugin System** - Extensible command architecture
## Instructions
### Building a Basic CLI
1. **Initialize Gluegun CLI structure:**
```typescript
import { build } from 'gluegun'
const cli = build()
.brand('mycli')
.src(__dirname)
.plugins('./node_modules', { matching: 'mycli-*', hidden: true })
.help()
.version()
.create()
```
2. **Create command structure:**
- Commands go in `src/commands/` directory
- Each command exports a `GluegunCommand` object
- Use templates from `templates/` directory
- Reference template: `templates/commands/basic-command.ts.ejs`
3. **Implement command with toolbox:**
```typescript
module.exports = {
name: 'generate',
run: async (toolbox) => {
const { template, print, parameters } = toolbox
const name = parameters.first
await template.generate({
template: 'model.ts.ejs',
target: `src/models/${name}.ts`,
props: { name }
})
print.success(`Generated ${name} model`)
}
}
```
### Template System
1. **Template file structure:**
- Store templates in `templates/` directory
- Use EJS syntax: `<%= variable %>`, `<%- unescaped %>`
- Reference: `templates/toolbox/template-examples.ejs`
2. **Generate files from templates:**
```typescript
await template.generate({
template: 'component.tsx.ejs',
target: `src/components/${name}.tsx`,
props: { name, style: 'functional' }
})
```
3. **Helper functions:**
- `props.camelCase` - camelCase conversion
- `props.pascalCase` - PascalCase conversion
- `props.kebabCase` - kebab-case conversion
- Reference: `scripts/template-helpers.ts`
### Filesystem Operations
1. **Common operations (fs-jetpack):**
```typescript
// Read/write files
const config = await filesystem.read('config.json', 'json')
await filesystem.write('output.txt', data)
// Directory operations
await filesystem.dir('src/components')
const files = filesystem.find('src', { matching: '*.ts' })
// Copy/move/remove
await filesystem.copy('template', 'output')
await filesystem.move('old.txt', 'new.txt')
await filesystem.remove('temp')
```
2. **Path utilities:**
```typescript
filesystem.path('src', 'commands') // Join paths
filesystem.cwd() // Current directory
filesystem.separator // OS-specific separator
```
### HTTP Utilities
1. **API interactions:**
```typescript
const api = http.create({
baseURL: 'https://api.example.com',
headers: { 'Authorization': 'Bearer token' }
})
const response = await api.get('/users')
const result = await api.post('/users', { name: 'John' })
```
2. **Error handling:**
```typescript
if (!response.ok) {
print.error(response.problem)
return
}
```
### Interactive Prompts
1. **User input patterns:**
```typescript
// Ask question
const result = await prompt.ask({
type: 'input',
name: 'name',
message: 'What is your name?'
})
// Confirm action
const proceed = await prompt.confirm('Continue?')
// Select from list
const choice = await prompt.ask({
type: 'select',
name: 'framework',
message: 'Choose framework:',
choices: ['React', 'Vue', 'Angular']
})
```
2. **Multi-select and complex forms:**
- Reference: `examples/prompts/multi-select.ts`
- See: `templates/toolbox/prompt-examples.ts.ejs`
### Plugin Architecture
1. **Create extensible plugins:**
```typescript
// Plugin structure
export default (toolbox) => {
const { filesystem, template } = toolbox
// Add custom extension
toolbox.myFeature = {
doSomething: () => { /* ... */ }
}
}
```
2. **Load plugins:**
```typescript
cli.plugins('./node_modules', { matching: 'mycli-*' })
cli.plugins('./plugins', { matching: '*.js' })
```
3. **Plugin examples:**
- Reference: `examples/plugin-system/custom-plugin.ts`
- See: `templates/plugins/plugin-template.ts.ejs`
### Print Utilities
1. **Colorful output:**
```typescript
print.info('Information message')
print.success('Success message')
print.warning('Warning message')
print.error('Error message')
print.highlight('Highlighted text')
print.muted('Muted text')
```
2. **Spinners and progress:**
```typescript
const spinner = print.spin('Loading...')
await doWork()
spinner.succeed('Done!')
// Or fail
spinner.fail('Something went wrong')
```
3. **Tables and formatting:**
```typescript
print.table([
['Name', 'Age'],
['John', '30'],
['Jane', '25']
])
```
### System Commands
1. **Execute external commands:**
```typescript
const output = await system.run('npm install')
const result = await system.exec('git status')
// Spawn with options
await system.spawn('npm run build', { stdio: 'inherit' })
```
2. **Check command availability:**
```typescript
const hasGit = await system.which('git')
```
### File Patching
1. **Modify existing files:**
```typescript
// Add line after pattern
await patching.update('package.json', (content) => {
const pkg = JSON.parse(content)
pkg.scripts.build = 'tsc'
return JSON.stringify(pkg, null, 2)
})
// Insert import statement
await patching.insert('src/index.ts', 'import { Router } from "express"')
```
## Validation Scripts
Use these scripts to validate Gluegun CLI implementations:
- `scripts/validate-cli-structure.sh` - Check directory structure
- `scripts/validate-commands.sh` - Verify command format
- `scripts/validate-templates.sh` - Check template syntax
- `scripts/test-cli-build.sh` - Run full CLI build test
## Templates
### Command Templates
- `templates/commands/basic-command.ts.ejs` - Simple command
- `templates/commands/generator-command.ts.ejs` - File generator
- `templates/commands/api-command.ts.ejs` - HTTP interaction
### Extension Templates
- `templates/extensions/custom-toolbox.ts.ejs` - Toolbox extension
- `templates/extensions/helper-functions.ts.ejs` - Utility functions
### Plugin Templates
- `templates/plugins/plugin-template.ts.ejs` - Plugin structure
- `templates/plugins/plugin-with-commands.ts.ejs` - Plugin with commands
### Toolbox Templates
- `templates/toolbox/template-examples.ejs` - Template patterns
- `templates/toolbox/prompt-examples.ts.ejs` - Prompt patterns
- `templates/toolbox/filesystem-examples.ts.ejs` - Filesystem patterns
## Examples
### Basic CLI Example
See `examples/basic-cli/` for complete working CLI:
- Simple command structure
- Template generation
- User prompts
- File operations
### Plugin System Example
See `examples/plugin-system/` for extensible architecture:
- Plugin loading
- Custom toolbox extensions
- Command composition
### Template Generator Example
See `examples/template-generator/` for advanced patterns:
- Multi-file generation
- Conditional templates
- Helper functions
## Best Practices
1. **Command Organization**
- One command per file
- Group related commands in subdirectories
- Use clear, descriptive command names
2. **Template Design**
- Keep templates simple and focused
- Use helper functions for complex logic
- Document template variables
3. **Error Handling**
- Check HTTP response status
- Validate user input from prompts
- Provide helpful error messages
4. **Plugin Architecture**
- Make plugins optional
- Document plugin interfaces
- Version plugin APIs
5. **Testing**
- Test commands in isolation
- Mock filesystem operations
- Validate template output
## Security Considerations
- Never hardcode API keys in templates
- Use environment variables for secrets
- Validate all user input from prompts
- Sanitize file paths from parameters
- Check filesystem permissions before operations
## Requirements
- Node.js 14+ or TypeScript 4+
- Gluegun package: `npm install gluegun`
- EJS for templates (included)
- fs-jetpack for filesystem (included)
- enquirer for prompts (included)
## Related Documentation
- Gluegun Official Docs: https://infinitered.github.io/gluegun/
- GitHub Repository: https://github.com/infinitered/gluegun
- EJS Templates: https://ejs.co/
- fs-jetpack: https://github.com/szwacz/fs-jetpack
---
**Purpose**: Enable rapid CLI development with Gluegun patterns and best practices
**Load when**: Building CLI tools, command structures, template systems, or plugin architectures

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# Basic Gluegun CLI Example
A simple example demonstrating core Gluegun CLI patterns.
## Structure
```
basic-cli/
├── src/
│ ├── cli.ts # CLI entry point
│ ├── commands/
│ │ ├── hello.ts # Simple command
│ │ └── generate.ts # Template generator
│ └── extensions/
│ └── helpers.ts # Custom toolbox extension
├── templates/
│ └── component.ts.ejs # Example template
├── package.json
└── tsconfig.json
```
## Features
- Basic command structure
- Template generation
- Custom toolbox extensions
- TypeScript support
## Installation
```bash
npm install
npm run build
```
## Usage
```bash
# Run hello command
./bin/cli hello World
# Generate from template
./bin/cli generate MyComponent
# Show help
./bin/cli --help
```
## Commands
### hello
Simple greeting command demonstrating parameters.
```bash
./bin/cli hello [name]
```
### generate
Generate files from templates.
```bash
./bin/cli generate <name>
```
## Key Patterns
### 1. Command Structure
```typescript
const command: GluegunCommand = {
name: 'hello',
run: async (toolbox) => {
const { print, parameters } = toolbox
const name = parameters.first || 'World'
print.success(`Hello, ${name}!`)
}
}
```
### 2. Template Generation
```typescript
await template.generate({
template: 'component.ts.ejs',
target: `src/components/${name}.ts`,
props: { name }
})
```
### 3. Custom Extensions
```typescript
toolbox.helpers = {
formatName: (name: string) => {
return name.charAt(0).toUpperCase() + name.slice(1)
}
}
```
## Learning Path
1. Start with `src/cli.ts` - CLI initialization
2. Review `src/commands/hello.ts` - Simple command
3. Study `src/commands/generate.ts` - Template usage
4. Explore `templates/component.ts.ejs` - EJS templates
5. Check `src/extensions/helpers.ts` - Custom toolbox
## Next Steps
- Add more commands
- Create complex templates
- Implement plugin system
- Add interactive prompts

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import { build } from 'gluegun'
/**
* Create the CLI and kick it off
*/
async function run(argv: string[] = process.argv) {
// Create a CLI runtime
const cli = build()
.brand('mycli')
.src(__dirname)
.plugins('./node_modules', { matching: 'mycli-*', hidden: true })
.help() // provides default --help command
.version() // provides default --version command
.create()
// Enable the following method if you'd like to skip loading one of these core extensions
// this can improve performance if they're not necessary for your project:
// .exclude(['meta', 'strings', 'print', 'filesystem', 'semver', 'system', 'prompt', 'http', 'template', 'patching', 'package-manager'])
// Run the CLI
const toolbox = await cli.run(argv)
// Send it back (for testing, mostly)
return toolbox
}
module.exports = { run }

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import { GluegunCommand } from 'gluegun'
/**
* Generate Command
* Demonstrates template generation and filesystem operations
*/
const command: GluegunCommand = {
name: 'generate',
alias: ['g', 'create'],
description: 'Generate a new component from template',
run: async (toolbox) => {
const { template, print, parameters, filesystem, strings } = toolbox
// Get component name
const name = parameters.first
if (!name) {
print.error('Component name is required')
print.info('Usage: mycli generate <ComponentName>')
return
}
// Convert to different cases
const pascalName = strings.pascalCase(name)
const kebabName = strings.kebabCase(name)
// Target directory
const targetDir = 'src/components'
const targetFile = `${targetDir}/${kebabName}.ts`
// Ensure directory exists
await filesystem.dir(targetDir)
// Check if file already exists
if (filesystem.exists(targetFile)) {
const overwrite = await toolbox.prompt.confirm(
`${targetFile} already exists. Overwrite?`
)
if (!overwrite) {
print.warning('Generation cancelled')
return
}
}
// Show spinner while generating
const spinner = print.spin(`Generating ${pascalName} component...`)
try {
// Generate from template
await template.generate({
template: 'component.ts.ejs',
target: targetFile,
props: {
name: pascalName,
kebabName,
timestamp: new Date().toISOString()
}
})
spinner.succeed(`Generated ${targetFile}`)
// Add to index if it exists
const indexPath = `${targetDir}/index.ts`
if (filesystem.exists(indexPath)) {
await filesystem.append(
indexPath,
`export { ${pascalName} } from './${kebabName}'\n`
)
print.info(`Added export to ${indexPath}`)
}
// Success message with details
print.success('Component generated successfully!')
print.info('')
print.info('Next steps:')
print.info(` 1. Edit ${targetFile}`)
print.info(` 2. Import in your app: import { ${pascalName} } from './components/${kebabName}'`)
} catch (error) {
spinner.fail('Generation failed')
print.error(error.message)
}
}
}
module.exports = command

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import { GluegunCommand } from 'gluegun'
/**
* Hello Command
* Demonstrates basic parameter handling and print utilities
*/
const command: GluegunCommand = {
name: 'hello',
alias: ['hi', 'greet'],
description: 'Say hello to someone',
run: async (toolbox) => {
const { print, parameters } = toolbox
// Get name from first parameter
const name = parameters.first || 'World'
// Get options
const options = parameters.options
const loud = options.loud || options.l
// Format message
let message = `Hello, ${name}!`
if (loud) {
message = message.toUpperCase()
}
// Display with appropriate style
print.success(message)
// Show some additional info if verbose
if (options.verbose || options.v) {
print.info('Command executed successfully')
print.info(`Parameters: ${JSON.stringify(parameters.array)}`)
print.info(`Options: ${JSON.stringify(options)}`)
}
}
}
module.exports = command

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/**
* <%= name %> Component
* Generated: <%= timestamp %>
*/
export interface <%= name %>Props {
// Add your props here
}
export class <%= name %> {
private props: <%= name %>Props
constructor(props: <%= name %>Props) {
this.props = props
}
public render(): void {
console.log('<%= name %> rendered')
}
}
// Export for convenience
export default <%= name %>

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# Gluegun Plugin System Example
Demonstrates how to build an extensible CLI with plugin architecture.
## Structure
```
plugin-system/
├── src/
│ ├── cli.ts # CLI with plugin loading
│ ├── commands/
│ │ └── plugin.ts # Plugin management command
│ └── plugins/
│ ├── custom-plugin.ts # Example plugin
│ └── validator-plugin.ts # Validation plugin
├── package.json
└── README.md
```
## Features
- Plugin discovery and loading
- Custom toolbox extensions via plugins
- Plugin-provided commands
- Plugin configuration management
## Installation
```bash
npm install
npm run build
```
## Usage
### Load Plugins
```bash
# CLI automatically loads plugins from:
# - ./plugins/
# - ./node_modules/mycli-*
```
### Use Plugin Commands
```bash
# Commands added by plugins
./bin/cli validate
./bin/cli custom-action
```
### Use Plugin Extensions
```typescript
// In any command
const { myPlugin } = toolbox
myPlugin.doSomething()
```
## Creating a Plugin
### Basic Plugin Structure
```typescript
module.exports = (toolbox) => {
const { print } = toolbox
// Add to toolbox
toolbox.myPlugin = {
version: '1.0.0',
doSomething: () => {
print.info('Plugin action executed')
}
}
}
```
### Plugin with Commands
```typescript
module.exports = (toolbox) => {
const { runtime } = toolbox
runtime.addPlugin({
name: 'my-plugin',
commands: [
{
name: 'my-command',
run: async (toolbox) => {
// Command implementation
}
}
]
})
}
```
## Plugin Discovery
The CLI looks for plugins in:
1. **Local plugins directory**: `./plugins/*.js`
2. **Node modules**: `./node_modules/mycli-*`
3. **Scoped packages**: `@scope/mycli-*`
## Plugin Naming Convention
- Local plugins: Any `.js` or `.ts` file in `plugins/`
- NPM plugins: Must match pattern `mycli-*`
- Example: `mycli-validator`, `@myorg/mycli-helper`
## Key Patterns
### 1. Load Plugins from Directory
```typescript
cli.plugins('./plugins', { matching: '*.js' })
```
### 2. Load NPM Plugins
```typescript
cli.plugins('./node_modules', {
matching: 'mycli-*',
hidden: true
})
```
### 3. Add Toolbox Extension
```typescript
toolbox.validator = {
validate: (data) => { /* ... */ }
}
```
### 4. Register Commands
```typescript
runtime.addPlugin({
name: 'my-plugin',
commands: [/* commands */]
})
```
## Example Plugins
### custom-plugin.ts
Adds custom utilities to toolbox.
```typescript
toolbox.custom = {
formatDate: (date) => { /* ... */ },
parseConfig: (file) => { /* ... */ }
}
```
### validator-plugin.ts
Adds validation command and utilities.
```typescript
toolbox.validator = {
validateFile: (path) => { /* ... */ },
validateSchema: (data) => { /* ... */ }
}
```
## Publishing Plugins
### 1. Create NPM Package
```json
{
"name": "mycli-myplugin",
"main": "dist/index.js",
"keywords": ["mycli", "plugin"]
}
```
### 2. Export Plugin
```typescript
module.exports = (toolbox) => {
// Plugin implementation
}
```
### 3. Publish
```bash
npm publish
```
### 4. Install and Use
```bash
npm install mycli-myplugin
# Automatically loaded by CLI
```
## Advanced Patterns
### Conditional Plugin Loading
```typescript
if (config.enablePlugin) {
cli.plugins('./plugins/optional')
}
```
### Plugin Configuration
```typescript
toolbox.myPlugin = {
config: await filesystem.read('.mypluginrc', 'json'),
// Plugin methods
}
```
### Plugin Dependencies
```typescript
module.exports = (toolbox) => {
// Check for required plugins
if (!toolbox.otherPlugin) {
throw new Error('Requires other-plugin')
}
}
```
## Best Practices
1. **Namespace Extensions**: Use unique names for toolbox extensions
2. **Document APIs**: Provide clear documentation for plugin methods
3. **Handle Errors**: Validate inputs and handle failures gracefully
4. **Version Plugins**: Use semantic versioning
5. **Test Plugins**: Write tests for plugin functionality
## Testing Plugins
```typescript
import { build } from 'gluegun'
test('plugin loads correctly', async () => {
const cli = build().src(__dirname).plugins('./plugins').create()
const toolbox = await cli.run()
expect(toolbox.myPlugin).toBeDefined()
})
```

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@@ -0,0 +1,322 @@
# Template Generator Example
Advanced template patterns for Gluegun CLI generators.
## Structure
```
template-generator/
├── src/
│ └── commands/
│ ├── new-app.ts # Multi-file generator
│ ├── new-feature.ts # Feature scaffold
│ └── new-config.ts # Config generator
├── templates/
│ ├── app/
│ │ ├── package.json.ejs
│ │ ├── tsconfig.json.ejs
│ │ ├── src/
│ │ │ └── index.ts.ejs
│ │ └── README.md.ejs
│ ├── feature/
│ │ ├── component.tsx.ejs
│ │ ├── test.spec.ts.ejs
│ │ └── styles.css.ejs
│ └── config/
│ └── config.json.ejs
└── README.md
```
## Features
- Multi-file generation from template sets
- Conditional template sections
- Nested directory creation
- Template composition
- Helper functions for common operations
## Patterns
### 1. Multi-File Generation
Generate complete project structure:
```typescript
await template.generate({
template: 'app/package.json.ejs',
target: `${name}/package.json`,
props: { name, version }
})
await template.generate({
template: 'app/src/index.ts.ejs',
target: `${name}/src/index.ts`,
props: { name }
})
```
### 2. Conditional Templates
Templates with conditional sections:
```ejs
<% if (includeTests) { %>
import { test } from 'vitest'
test('<%= name %> works', () => {
// Test implementation
})
<% } %>
```
### 3. Template Loops
Generate repetitive structures:
```ejs
<% features.forEach(feature => { %>
export { <%= feature.name %> } from './<%= feature.path %>'
<% }) %>
```
### 4. Nested Templates
Organize templates in directories:
```
templates/
├── react-app/
│ ├── components/
│ │ └── Component.tsx.ejs
│ ├── pages/
│ │ └── Page.tsx.ejs
│ └── layouts/
│ └── Layout.tsx.ejs
```
### 5. Template Helpers
Use helper functions in templates:
```ejs
/**
* <%= helpers.titleCase(name) %> Component
* File: <%= helpers.kebabCase(name) %>.ts
*/
export class <%= helpers.pascalCase(name) %> {
// Implementation
}
```
## Commands
### new-app
Create complete application structure:
```bash
./bin/cli new-app my-project --typescript --tests
```
Options:
- `--typescript`: Include TypeScript configuration
- `--tests`: Include test setup
- `--git`: Initialize git repository
- `--install`: Run npm install
### new-feature
Scaffold a new feature with tests and styles:
```bash
./bin/cli new-feature UserProfile --redux --tests
```
Options:
- `--redux`: Include Redux setup
- `--tests`: Generate test files
- `--styles`: Include CSS/SCSS files
### new-config
Generate configuration files:
```bash
./bin/cli new-config --eslint --prettier --jest
```
Options:
- `--eslint`: ESLint configuration
- `--prettier`: Prettier configuration
- `--jest`: Jest configuration
- `--typescript`: TypeScript configuration
## Template Variables
### Common Props
```typescript
{
name: string // Component/project name
description: string // Description
author: string // Author name
version: string // Version number
timestamp: string // ISO timestamp
year: number // Current year
}
```
### Feature-Specific Props
```typescript
{
// React component
componentType: 'class' | 'function'
withHooks: boolean
withState: boolean
// Configuration
includeESLint: boolean
includePrettier: boolean
includeTests: boolean
// Dependencies
dependencies: string[]
devDependencies: string[]
}
```
## Advanced Techniques
### 1. Template Composition
Combine multiple templates:
```typescript
// Base component template
await template.generate({
template: 'base/component.ts.ejs',
target: 'src/components/Base.ts',
props: baseProps
})
// Extended component using base
await template.generate({
template: 'extended/component.ts.ejs',
target: 'src/components/Extended.ts',
props: { ...baseProps, extends: 'Base' }
})
```
### 2. Dynamic Template Selection
Choose templates based on user input:
```typescript
const framework = await prompt.select('Framework:', [
'React',
'Vue',
'Angular'
])
const templatePath = `${framework.toLowerCase()}/component.ejs`
await template.generate({
template: templatePath,
target: `src/components/${name}.tsx`,
props: { name }
})
```
### 3. Template Preprocessing
Modify props before generation:
```typescript
const props = {
name,
pascalName: strings.pascalCase(name),
kebabName: strings.kebabCase(name),
dependencies: dependencies.sort(),
imports: generateImports(dependencies)
}
await template.generate({
template: 'component.ts.ejs',
target: `src/${props.kebabName}.ts`,
props
})
```
### 4. Post-Generation Actions
Run actions after template generation:
```typescript
// Generate files
await template.generate({ /* ... */ })
// Format generated code
await system.run('npm run format')
// Run initial build
await system.run('npm run build')
// Initialize git
if (options.git) {
await system.run('git init')
await system.run('git add .')
await system.run('git commit -m "Initial commit"')
}
```
### 5. Template Validation
Validate templates before generation:
```typescript
// Check if template exists
if (!filesystem.exists(`templates/${templatePath}`)) {
print.error(`Template not found: ${templatePath}`)
return
}
// Validate template syntax
const templateContent = await filesystem.read(`templates/${templatePath}`)
if (!validateEJS(templateContent)) {
print.error('Invalid EJS syntax in template')
return
}
```
## Best Practices
1. **Organize Templates**: Group related templates in directories
2. **Use Helpers**: Extract common logic into helper functions
3. **Validate Input**: Check user input before generation
4. **Provide Feedback**: Show progress with spinners
5. **Handle Errors**: Gracefully handle missing templates
6. **Document Variables**: Comment template variables
7. **Test Templates**: Generate samples to verify output
## Testing Generated Code
```bash
# Generate sample
./bin/cli new-app test-project --all
# Verify structure
cd test-project
npm install
npm test
npm run build
```
## Template Development Workflow
1. Create template file with `.ejs` extension
2. Add template variables with `<%= %>` syntax
3. Test template with sample props
4. Add conditional sections with `<% if %>` blocks
5. Validate generated output
6. Document template variables and options

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/**
* Template Helper Functions for Gluegun
* Useful utilities for EJS templates
*/
/**
* String case conversions
*/
export const caseConverters = {
/**
* Convert to PascalCase
* Example: "hello-world" => "HelloWorld"
*/
pascalCase: (str: string): string => {
return str
.replace(/[-_\s](.)/g, (_, char) => char.toUpperCase())
.replace(/^(.)/, (_, char) => char.toUpperCase())
},
/**
* Convert to camelCase
* Example: "hello-world" => "helloWorld"
*/
camelCase: (str: string): string => {
return str
.replace(/[-_\s](.)/g, (_, char) => char.toUpperCase())
.replace(/^(.)/, (_, char) => char.toLowerCase())
},
/**
* Convert to kebab-case
* Example: "HelloWorld" => "hello-world"
*/
kebabCase: (str: string): string => {
return str
.replace(/([a-z])([A-Z])/g, '$1-$2')
.replace(/[\s_]+/g, '-')
.toLowerCase()
},
/**
* Convert to snake_case
* Example: "HelloWorld" => "hello_world"
*/
snakeCase: (str: string): string => {
return str
.replace(/([a-z])([A-Z])/g, '$1_$2')
.replace(/[\s-]+/g, '_')
.toLowerCase()
},
/**
* Convert to Title Case
* Example: "hello world" => "Hello World"
*/
titleCase: (str: string): string => {
return str
.toLowerCase()
.split(/[\s-_]+/)
.map(word => word.charAt(0).toUpperCase() + word.slice(1))
.join(' ')
}
}
/**
* Pluralization helpers
*/
export const pluralize = {
/**
* Simple pluralization
*/
plural: (word: string): string => {
if (word.endsWith('y')) {
return word.slice(0, -1) + 'ies'
}
if (word.endsWith('s') || word.endsWith('x') || word.endsWith('z')) {
return word + 'es'
}
return word + 's'
},
/**
* Simple singularization
*/
singular: (word: string): string => {
if (word.endsWith('ies')) {
return word.slice(0, -3) + 'y'
}
if (word.endsWith('es')) {
return word.slice(0, -2)
}
if (word.endsWith('s')) {
return word.slice(0, -1)
}
return word
}
}
/**
* File path helpers
*/
export const pathHelpers = {
/**
* Convert name to file path
* Example: "UserProfile" => "user-profile.ts"
*/
toFilePath: (name: string, extension: string = 'ts'): string => {
const kebab = caseConverters.kebabCase(name)
return `${kebab}.${extension}`
},
/**
* Convert name to directory path
* Example: "UserProfile" => "user-profile"
*/
toDirPath: (name: string): string => {
return caseConverters.kebabCase(name)
}
}
/**
* Comment generators
*/
export const comments = {
/**
* Generate file header comment
*/
fileHeader: (filename: string, description: string, author?: string): string => {
const lines = [
'/**',
` * ${filename}`,
` * ${description}`,
]
if (author) {
lines.push(` * @author ${author}`)
}
lines.push(` * @generated ${new Date().toISOString()}`)
lines.push(' */')
return lines.join('\n')
},
/**
* Generate JSDoc comment
*/
jsDoc: (description: string, params?: Array<{ name: string; type: string; description: string }>, returns?: string): string => {
const lines = [
'/**',
` * ${description}`
]
if (params && params.length > 0) {
lines.push(' *')
params.forEach(param => {
lines.push(` * @param {${param.type}} ${param.name} - ${param.description}`)
})
}
if (returns) {
lines.push(' *')
lines.push(` * @returns {${returns}}`)
}
lines.push(' */')
return lines.join('\n')
}
}
/**
* Import statement generators
*/
export const imports = {
/**
* Generate TypeScript import
*/
typescript: (items: string[], from: string): string => {
if (items.length === 1) {
return `import { ${items[0]} } from '${from}'`
}
return `import {\n ${items.join(',\n ')}\n} from '${from}'`
},
/**
* Generate CommonJS require
*/
commonjs: (name: string, from: string): string => {
return `const ${name} = require('${from}')`
}
}
/**
* Code formatting helpers
*/
export const formatting = {
/**
* Indent text by specified spaces
*/
indent: (text: string, spaces: number = 2): string => {
const indent = ' '.repeat(spaces)
return text
.split('\n')
.map(line => indent + line)
.join('\n')
},
/**
* Wrap text in quotes
*/
quote: (text: string, style: 'single' | 'double' = 'single'): string => {
const quote = style === 'single' ? "'" : '"'
return `${quote}${text}${quote}`
}
}
/**
* Validation helpers
*/
export const validate = {
/**
* Check if string is valid identifier
*/
isValidIdentifier: (str: string): boolean => {
return /^[a-zA-Z_$][a-zA-Z0-9_$]*$/.test(str)
},
/**
* Check if string is valid package name
*/
isValidPackageName: (str: string): boolean => {
return /^(@[a-z0-9-~][a-z0-9-._~]*\/)?[a-z0-9-~][a-z0-9-._~]*$/.test(str)
}
}
/**
* All helpers combined for easy import
*/
export const helpers = {
...caseConverters,
pluralize,
pathHelpers,
comments,
imports,
formatting,
validate
}
export default helpers

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#!/bin/bash
# Test Gluegun CLI build process
# Usage: ./test-cli-build.sh <cli-directory>
set -e
CLI_DIR="${1:-.}"
ERRORS=0
echo "🧪 Testing Gluegun CLI build: $CLI_DIR"
echo ""
# Check if directory exists
if [ ! -d "$CLI_DIR" ]; then
echo "❌ Directory not found: $CLI_DIR"
exit 1
fi
cd "$CLI_DIR"
# Check for package.json
if [ ! -f "package.json" ]; then
echo "❌ package.json not found"
exit 1
fi
echo "📦 Checking dependencies..."
# Check if node_modules exists
if [ ! -d "node_modules" ]; then
echo "⚠️ node_modules not found, running npm install..."
npm install
fi
# Check if gluegun is installed
if [ -d "node_modules/gluegun" ]; then
echo " ✅ gluegun installed"
else
echo " ❌ gluegun not installed"
((ERRORS++))
fi
# Check for TypeScript
if [ -f "tsconfig.json" ]; then
echo ""
echo "🔨 TypeScript detected, checking compilation..."
if npm run build > /dev/null 2>&1; then
echo " ✅ TypeScript compilation successful"
else
echo " ❌ TypeScript compilation failed"
echo " Run 'npm run build' for details"
((ERRORS++))
fi
fi
# Check for tests
echo ""
echo "🧪 Checking for tests..."
if [ -d "test" ] || [ -d "tests" ] || [ -d "__tests__" ]; then
echo " ✅ Test directory found"
# Try to run tests
if npm test > /dev/null 2>&1; then
echo " ✅ Tests passed"
else
echo " ⚠️ Tests failed or not configured"
fi
else
echo " ⚠️ No test directory found"
fi
# Check CLI execution
echo ""
echo "🚀 Testing CLI execution..."
# Get CLI entry point
cli_entry=""
if [ -f "bin/cli" ]; then
cli_entry="bin/cli"
elif [ -f "bin/run" ]; then
cli_entry="bin/run"
elif [ -f "dist/cli.js" ]; then
cli_entry="node dist/cli.js"
fi
if [ -n "$cli_entry" ]; then
echo " Found CLI entry: $cli_entry"
# Test help command
if $cli_entry --help > /dev/null 2>&1; then
echo " ✅ CLI --help works"
else
echo " ⚠️ CLI --help failed"
((ERRORS++))
fi
# Test version command
if $cli_entry --version > /dev/null 2>&1; then
echo " ✅ CLI --version works"
else
echo " ⚠️ CLI --version failed"
fi
else
echo " ⚠️ CLI entry point not found"
fi
# Summary
echo ""
echo "================================"
if [ $ERRORS -eq 0 ]; then
echo "✅ All build tests passed!"
exit 0
else
echo "❌ Found $ERRORS error(s) during build test"
exit 1
fi

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@@ -0,0 +1,122 @@
#!/bin/bash
# Validate Gluegun CLI structure
# Usage: ./validate-cli-structure.sh <cli-directory>
set -e
CLI_DIR="${1:-.}"
ERRORS=0
echo "🔍 Validating Gluegun CLI structure: $CLI_DIR"
echo ""
# Check if directory exists
if [ ! -d "$CLI_DIR" ]; then
echo "❌ Directory not found: $CLI_DIR"
exit 1
fi
cd "$CLI_DIR"
# Check for required files
echo "📁 Checking required files..."
required_files=(
"package.json"
"tsconfig.json"
)
for file in "${required_files[@]}"; do
if [ -f "$file" ]; then
echo "$file"
else
echo " ❌ Missing: $file"
((ERRORS++))
fi
done
# Check for required directories
echo ""
echo "📂 Checking directory structure..."
required_dirs=(
"src"
"src/commands"
)
for dir in "${required_dirs[@]}"; do
if [ -d "$dir" ]; then
echo "$dir/"
else
echo " ❌ Missing: $dir/"
((ERRORS++))
fi
done
# Check optional but recommended directories
optional_dirs=(
"src/extensions"
"templates"
"src/plugins"
)
echo ""
echo "📂 Checking optional directories..."
for dir in "${optional_dirs[@]}"; do
if [ -d "$dir" ]; then
echo "$dir/ (optional)"
else
echo " ⚠️ Missing: $dir/ (optional but recommended)"
fi
done
# Check package.json for gluegun dependency
echo ""
echo "📦 Checking dependencies..."
if [ -f "package.json" ]; then
if grep -q '"gluegun"' package.json; then
echo " ✅ gluegun dependency found"
else
echo " ❌ gluegun dependency not found in package.json"
((ERRORS++))
fi
fi
# Check for commands
echo ""
echo "🎯 Checking commands..."
if [ -d "src/commands" ]; then
command_count=$(find src/commands -type f \( -name "*.ts" -o -name "*.js" \) | wc -l)
echo " Found $command_count command file(s)"
if [ "$command_count" -eq 0 ]; then
echo " ⚠️ No command files found"
fi
fi
# Check for CLI entry point
echo ""
echo "🚀 Checking CLI entry point..."
if [ -f "src/cli.ts" ] || [ -f "src/index.ts" ]; then
echo " ✅ Entry point found"
else
echo " ❌ No entry point found (src/cli.ts or src/index.ts)"
((ERRORS++))
fi
# Summary
echo ""
echo "================================"
if [ $ERRORS -eq 0 ]; then
echo "✅ All checks passed!"
exit 0
else
echo "❌ Found $ERRORS error(s)"
exit 1
fi

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#!/bin/bash
# Validate Gluegun command files
# Usage: ./validate-commands.sh <commands-directory>
set -e
COMMANDS_DIR="${1:-src/commands}"
ERRORS=0
WARNINGS=0
echo "🔍 Validating Gluegun commands: $COMMANDS_DIR"
echo ""
# Check if directory exists
if [ ! -d "$COMMANDS_DIR" ]; then
echo "❌ Directory not found: $COMMANDS_DIR"
exit 1
fi
# Find all command files
command_files=$(find "$COMMANDS_DIR" -type f \( -name "*.ts" -o -name "*.js" \))
if [ -z "$command_files" ]; then
echo "❌ No command files found in $COMMANDS_DIR"
exit 1
fi
echo "Found $(echo "$command_files" | wc -l) command file(s)"
echo ""
# Validate each command file
while IFS= read -r file; do
echo "📄 Validating: $file"
# Check for required exports
if grep -q "module.exports" "$file" || grep -q "export.*GluegunCommand" "$file"; then
echo " ✅ Has command export"
else
echo " ❌ Missing command export"
((ERRORS++))
fi
# Check for name property
if grep -q "name:" "$file"; then
echo " ✅ Has name property"
else
echo " ❌ Missing name property"
((ERRORS++))
fi
# Check for run function
if grep -q "run:" "$file" || grep -q "run =" "$file"; then
echo " ✅ Has run function"
else
echo " ❌ Missing run function"
((ERRORS++))
fi
# Check for toolbox parameter
if grep -q "toolbox" "$file"; then
echo " ✅ Uses toolbox"
else
echo " ⚠️ No toolbox parameter (might be unused)"
((WARNINGS++))
fi
# Check for description (recommended)
if grep -q "description:" "$file"; then
echo " ✅ Has description (good practice)"
else
echo " ⚠️ Missing description (recommended)"
((WARNINGS++))
fi
# Check for async/await pattern
if grep -q "async" "$file"; then
echo " ✅ Uses async/await"
else
echo " ⚠️ No async/await detected"
fi
echo ""
done <<< "$command_files"
# Summary
echo "================================"
echo "Commands validated: $(echo "$command_files" | wc -l)"
echo "Errors: $ERRORS"
echo "Warnings: $WARNINGS"
echo ""
if [ $ERRORS -eq 0 ]; then
echo "✅ All critical checks passed!"
if [ $WARNINGS -gt 0 ]; then
echo "⚠️ Consider addressing $WARNINGS warning(s)"
fi
exit 0
else
echo "❌ Found $ERRORS error(s)"
exit 1
fi

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#!/bin/bash
# Validate EJS template syntax
# Usage: ./validate-templates.sh <templates-directory>
set -e
TEMPLATES_DIR="${1:-templates}"
ERRORS=0
WARNINGS=0
echo "🔍 Validating EJS templates: $TEMPLATES_DIR"
echo ""
# Check if directory exists
if [ ! -d "$TEMPLATES_DIR" ]; then
echo "❌ Directory not found: $TEMPLATES_DIR"
exit 1
fi
# Find all template files
template_files=$(find "$TEMPLATES_DIR" -type f \( -name "*.ejs" -o -name "*.ejs.t" \))
if [ -z "$template_files" ]; then
echo "⚠️ No template files found in $TEMPLATES_DIR"
exit 0
fi
echo "Found $(echo "$template_files" | wc -l) template file(s)"
echo ""
# Validate each template
while IFS= read -r file; do
echo "📄 Validating: $file"
# Check for balanced EJS tags
open_tags=$(grep -o "<%[^>]*" "$file" | wc -l || echo "0")
close_tags=$(grep -o "%>" "$file" | wc -l || echo "0")
if [ "$open_tags" -eq "$close_tags" ]; then
echo " ✅ Balanced EJS tags ($open_tags opening, $close_tags closing)"
else
echo " ❌ Unbalanced EJS tags ($open_tags opening, $close_tags closing)"
((ERRORS++))
fi
# Check for common EJS patterns
if grep -q "<%=" "$file" || grep -q "<%_" "$file" || grep -q "<%#" "$file"; then
echo " ✅ Contains EJS output tags"
else
echo " ⚠️ No EJS output tags detected (might be plain template)"
((WARNINGS++))
fi
# Check for control flow
if grep -q "<%\s*if" "$file" || grep -q "<%\s*for" "$file"; then
echo " ✅ Uses control flow"
fi
# Check for variable usage
if grep -q "<%= [a-zA-Z]" "$file"; then
echo " ✅ Uses template variables"
else
echo " ⚠️ No template variables found"
((WARNINGS++))
fi
# Validate basic syntax (check for common errors)
if grep -q "<%\s*%>" "$file"; then
echo " ⚠️ Empty EJS tag detected"
((WARNINGS++))
fi
# Check for unclosed quotes in EJS tags
if grep -P '<%[^%]*"[^"]*%>' "$file" | grep -v '<%[^%]*"[^"]*"[^%]*%>' > /dev/null 2>&1; then
echo " ⚠️ Possible unclosed quotes in EJS tags"
((WARNINGS++))
fi
echo ""
done <<< "$template_files"
# Summary
echo "================================"
echo "Templates validated: $(echo "$template_files" | wc -l)"
echo "Errors: $ERRORS"
echo "Warnings: $WARNINGS"
echo ""
if [ $ERRORS -eq 0 ]; then
echo "✅ All critical checks passed!"
if [ $WARNINGS -gt 0 ]; then
echo "⚠️ Consider reviewing $WARNINGS warning(s)"
fi
exit 0
else
echo "❌ Found $ERRORS error(s)"
exit 1
fi

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import { GluegunCommand } from 'gluegun'
const command: GluegunCommand = {
name: '<%= name %>',
description: 'Interact with <%= apiName %> API',
run: async (toolbox) => {
const { http, print, parameters, prompt } = toolbox
// Get API configuration
const apiKey = process.env.<%= apiKeyEnv %> || parameters.options.key
if (!apiKey) {
print.error('API key is required')
print.info('Set <%= apiKeyEnv %> environment variable or use --key option')
return
}
// Create API client
const api = http.create({
baseURL: '<%= apiBaseUrl %>',
headers: {
'Authorization': `Bearer ${apiKey}`,
'Content-Type': 'application/json'
},
timeout: 10000
})
// Show spinner while loading
const spinner = print.spin('Fetching data from <%= apiName %>...')
try {
// Make API request
const response = await api.get('<%= endpoint %>')
// Check response
if (!response.ok) {
spinner.fail(`API Error: ${response.problem}`)
if (response.data) {
print.error(JSON.stringify(response.data, null, 2))
}
return
}
spinner.succeed('Data fetched successfully')
// Display results
const data = response.data
<% if (displayFormat === 'table') { %>
// Display as table
const tableData = data.map(item => [
item.<%= field1 %>,
item.<%= field2 %>,
item.<%= field3 %>
])
print.table([
['<%= header1 %>', '<%= header2 %>', '<%= header3 %>'],
...tableData
])
<% } else { %>
// Display as JSON
print.info(JSON.stringify(data, null, 2))
<% } %>
// Optional: Save to file
const shouldSave = await prompt.confirm('Save results to file?')
if (shouldSave) {
const filename = `<%= outputFile %>`
await toolbox.filesystem.write(filename, JSON.stringify(data, null, 2))
print.success(`Saved to ${filename}`)
}
} catch (error) {
spinner.fail('Request failed')
print.error(error.message)
}
}
}
module.exports = command

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import { GluegunCommand } from 'gluegun'
const command: GluegunCommand = {
name: '<%= name %>',
description: '<%= description %>',
run: async (toolbox) => {
const { print, parameters } = toolbox
// Get parameters
const options = parameters.options
const args = parameters.array
// Command logic
print.info(`Running <%= name %> command`)
// Process arguments
if (args.length === 0) {
print.warning('No arguments provided')
return
}
// Example: Process each argument
for (const arg of args) {
print.info(`Processing: ${arg}`)
}
// Success message
print.success('<%= name %> completed successfully')
}
}
module.exports = command

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import { GluegunCommand } from 'gluegun'
const command: GluegunCommand = {
name: 'generate',
alias: ['g'],
description: 'Generate <%= type %> from template',
run: async (toolbox) => {
const { template, print, parameters, filesystem, strings } = toolbox
// Get name from parameters
const name = parameters.first
if (!name) {
print.error('Name is required')
print.info('Usage: <%= cliName %> generate <name>')
return
}
// Convert to different cases
const pascalName = strings.pascalCase(name)
const camelName = strings.camelCase(name)
const kebabName = strings.kebabCase(name)
// Generate from template
const target = `<%= outputPath %>/${kebabName}.<%= extension %>`
try {
await template.generate({
template: '<%= templateFile %>',
target,
props: {
name: pascalName,
camelName,
kebabName,
timestamp: new Date().toISOString()
}
})
print.success(`Generated <%= type %>: ${target}`)
// Optional: Add to index
<% if (addToIndex) { %>
const indexPath = '<%= outputPath %>/index.ts'
if (filesystem.exists(indexPath)) {
await filesystem.append(indexPath, `export { ${pascalName} } from './${kebabName}'\n`)
print.info(`Added export to ${indexPath}`)
}
<% } %>
} catch (error) {
print.error(`Failed to generate <%= type %>: ${error.message}`)
}
}
}
module.exports = command

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import { GluegunToolbox } from 'gluegun'
// Extend the toolbox with custom functionality
module.exports = (toolbox: GluegunToolbox) => {
const { filesystem, strings, print } = toolbox
/**
* Custom <%= extensionName %> extension
*/
toolbox.<%= extensionName %> = {
/**
* <%= methodDescription %>
*/
<%= methodName %>: async (input: string): Promise<string> => {
// Implementation
print.info(`Processing: ${input}`)
<% if (usesFilesystem) { %>
// Filesystem operations
const files = filesystem.find('.', { matching: '*.ts' })
print.info(`Found ${files.length} TypeScript files`)
<% } %>
<% if (usesStrings) { %>
// String manipulation
const pascalCase = strings.pascalCase(input)
const camelCase = strings.camelCase(input)
const kebabCase = strings.kebabCase(input)
print.info(`Formats: ${pascalCase}, ${camelCase}, ${kebabCase}`)
<% } %>
return input
},
/**
* Validate <%= resourceType %>
*/
validate: (data: any): boolean => {
// Validation logic
if (!data || typeof data !== 'object') {
print.error('Invalid data format')
return false
}
<% validationFields.forEach(field => { %>
if (!data.<%= field %>) {
print.error('Missing required field: <%= field %>')
return false
}
<% }) %>
return true
},
/**
* Format <%= resourceType %> for display
*/
format: (data: any): string => {
// Format for display
const lines = [
`<%= resourceType %>:`,
<% displayFields.forEach(field => { %>
` <%= field %>: ${data.<%= field %>}`,
<% }) %>
]
return lines.join('\n')
}
}
}

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import { GluegunToolbox } from 'gluegun'
/**
* Helper functions extension for <%= cliName %>
*/
module.exports = (toolbox: GluegunToolbox) => {
const { filesystem, strings, print } = toolbox
toolbox.helpers = {
/**
* Read configuration file with validation
*/
readConfig: async (configPath: string = './<%= configFile %>'): Promise<any> => {
if (!filesystem.exists(configPath)) {
print.error(`Configuration file not found: ${configPath}`)
return null
}
try {
const config = await filesystem.read(configPath, 'json')
// Validate configuration
if (!config.<%= requiredField %>) {
print.warning('Configuration missing required field: <%= requiredField %>')
}
return config
} catch (error) {
print.error(`Failed to read config: ${error.message}`)
return null
}
},
/**
* Write configuration file safely
*/
writeConfig: async (config: any, configPath: string = './<%= configFile %>'): Promise<boolean> => {
try {
await filesystem.write(configPath, config, { jsonIndent: 2 })
print.success(`Configuration saved to ${configPath}`)
return true
} catch (error) {
print.error(`Failed to write config: ${error.message}`)
return false
}
},
/**
* Ensure directory exists and is writable
*/
ensureDir: async (dirPath: string): Promise<boolean> => {
try {
await filesystem.dir(dirPath)
print.debug(`Directory ensured: ${dirPath}`)
return true
} catch (error) {
print.error(`Failed to create directory: ${error.message}`)
return false
}
},
/**
* Find files matching pattern
*/
findFiles: (pattern: string, directory: string = '.'): string[] => {
const files = filesystem.find(directory, { matching: pattern })
print.debug(`Found ${files.length} files matching: ${pattern}`)
return files
},
/**
* Convert string to various cases
*/
convertCase: (input: string) => {
return {
pascal: strings.pascalCase(input),
camel: strings.camelCase(input),
kebab: strings.kebabCase(input),
snake: strings.snakeCase(input),
upper: strings.upperCase(input),
lower: strings.lowerCase(input)
}
},
/**
* Display success message with optional details
*/
success: (message: string, details?: string[]) => {
print.success(message)
if (details && details.length > 0) {
details.forEach(detail => print.info(` ${detail}`))
}
},
/**
* Display error message and exit
*/
fatal: (message: string, error?: Error) => {
print.error(message)
if (error) {
print.error(error.message)
if (error.stack) {
print.debug(error.stack)
}
}
process.exit(1)
},
/**
* Check if command is available in PATH
*/
hasCommand: async (command: string): Promise<boolean> => {
const result = await toolbox.system.which(command)
return result !== null
},
/**
* Run command with error handling
*/
runCommand: async (command: string, options = {}): Promise<string | null> => {
try {
print.debug(`Running: ${command}`)
const output = await toolbox.system.run(command, options)
return output
} catch (error) {
print.error(`Command failed: ${command}`)
print.error(error.message)
return null
}
}
}
}

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import { GluegunToolbox } from 'gluegun'
/**
* <%= pluginName %> Plugin
* <%= pluginDescription %>
*/
module.exports = (toolbox: GluegunToolbox) => {
const { print, filesystem, template } = toolbox
// Plugin initialization
print.debug('<%= pluginName %> plugin loaded')
// Add plugin namespace to toolbox
toolbox.<%= pluginNamespace %> = {
/**
* Plugin version
*/
version: '<%= version %>',
/**
* Check if plugin is initialized
*/
isInitialized: (): boolean => {
const configPath = '<%= configPath %>'
return filesystem.exists(configPath)
},
/**
* Initialize plugin configuration
*/
initialize: async (options: any = {}): Promise<void> => {
print.info('Initializing <%= pluginName %>...')
// Create config from template
await template.generate({
template: '<%= configTemplate %>',
target: '<%= configPath %>',
props: {
...options,
createdAt: new Date().toISOString()
}
})
print.success('<%= pluginName %> initialized')
},
/**
* Get plugin configuration
*/
getConfig: async (): Promise<any> => {
const configPath = '<%= configPath %>'
if (!filesystem.exists(configPath)) {
print.warning('<%= pluginName %> not initialized')
return null
}
return await filesystem.read(configPath, 'json')
},
/**
* Update plugin configuration
*/
updateConfig: async (updates: any): Promise<void> => {
const config = await toolbox.<%= pluginNamespace %>.getConfig()
if (!config) {
print.error('Cannot update config: <%= pluginName %> not initialized')
return
}
const updatedConfig = { ...config, ...updates }
await filesystem.write('<%= configPath %>', updatedConfig, { jsonIndent: 2 })
print.success('Configuration updated')
},
<% if (hasCommands) { %>
/**
* Execute plugin-specific operation
*/
execute: async (operation: string, params: any = {}): Promise<any> => {
print.info(`Executing <%= pluginName %> operation: ${operation}`)
switch (operation) {
case '<%= operation1 %>':
return await handle<%= operation1Pascal %>(toolbox, params)
case '<%= operation2 %>':
return await handle<%= operation2Pascal %>(toolbox, params)
default:
print.error(`Unknown operation: ${operation}`)
return null
}
}
<% } %>
}
}
<% if (hasCommands) { %>
/**
* Handle <%= operation1 %> operation
*/
async function handle<%= operation1Pascal %>(toolbox: GluegunToolbox, params: any) {
const { print } = toolbox
print.info('Handling <%= operation1 %>...')
// Implementation
return { success: true }
}
/**
* Handle <%= operation2 %> operation
*/
async function handle<%= operation2Pascal %>(toolbox: GluegunToolbox, params: any) {
const { print } = toolbox
print.info('Handling <%= operation2 %>...')
// Implementation
return { success: true }
}
<% } %>

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import { GluegunToolbox } from 'gluegun'
/**
* <%= pluginName %> Plugin with Commands
* Demonstrates how to add commands via plugins
*/
module.exports = (toolbox: GluegunToolbox) => {
const { print, runtime } = toolbox
print.debug('<%= pluginName %> plugin loaded')
// Register plugin commands
runtime.addPlugin({
name: '<%= pluginName %>',
commands: [
{
name: '<%= command1Name %>',
description: '<%= command1Description %>',
run: async (toolbox) => {
const { print, parameters } = toolbox
print.info('Running <%= command1Name %> from <%= pluginName %>')
// Command logic
const arg = parameters.first
if (arg) {
print.success(`Processed: ${arg}`)
} else {
print.warning('No argument provided')
}
}
},
{
name: '<%= command2Name %>',
description: '<%= command2Description %>',
run: async (toolbox) => {
const { print, filesystem, template } = toolbox
print.info('Running <%= command2Name %> from <%= pluginName %>')
// Generate from template
await template.generate({
template: '<%= template2 %>',
target: '<%= output2 %>',
props: {
pluginName: '<%= pluginName %>',
timestamp: new Date().toISOString()
}
})
print.success('Generated successfully')
}
}
]
})
// Add plugin utilities to toolbox
toolbox.<%= pluginNamespace %> = {
/**
* Shared utility function
*/
sharedUtility: (input: string): string => {
print.debug(`<%= pluginName %> processing: ${input}`)
return input.toUpperCase()
},
/**
* Validate plugin requirements
*/
validateRequirements: async (): Promise<boolean> => {
const { filesystem, system } = toolbox
// Check for required files
<% requiredFiles.forEach(file => { %>
if (!filesystem.exists('<%= file %>')) {
print.error('Missing required file: <%= file %>')
return false
}
<% }) %>
// Check for required commands
<% requiredCommands.forEach(cmd => { %>
const has<%= cmd %> = await system.which('<%= cmd %>')
if (!has<%= cmd %>) {
print.error('Missing required command: <%= cmd %>')
return false
}
<% }) %>
return true
}
}
}

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import { GluegunCommand } from 'gluegun'
/**
* Examples of filesystem operations with Gluegun
*/
const command: GluegunCommand = {
name: 'filesystem',
description: 'Filesystem operation examples',
run: async (toolbox) => {
const { filesystem, print } = toolbox
print.info('=== Filesystem Examples ===\n')
// 1. Read file
print.info('1. Read file')
const packageJson = await filesystem.read('package.json', 'json')
if (packageJson) {
print.success(`Project: ${packageJson.name}`)
}
// 2. Write file
print.info('\n2. Write file')
await filesystem.write('temp-output.txt', 'Hello from Gluegun!', {
atomic: true // Ensures file is written completely or not at all
})
print.success('File written: temp-output.txt')
// 3. Check if file exists
print.info('\n3. Check existence')
const exists = filesystem.exists('temp-output.txt')
print.info(`temp-output.txt exists: ${exists}`)
// 4. Create directory
print.info('\n4. Create directory')
await filesystem.dir('temp-dir/nested/deep')
print.success('Created nested directories')
// 5. List files
print.info('\n5. List files')
const files = filesystem.list('.')
print.info(`Files in current directory: ${files?.length || 0}`)
// 6. Find files with pattern
print.info('\n6. Find files')
const tsFiles = filesystem.find('.', { matching: '*.ts', recursive: false })
print.info(`TypeScript files found: ${tsFiles?.length || 0}`)
tsFiles?.slice(0, 5).forEach(file => print.info(` - ${file}`))
// 7. Copy file/directory
print.info('\n7. Copy operations')
await filesystem.copy('temp-output.txt', 'temp-dir/copy.txt')
print.success('File copied to temp-dir/copy.txt')
// 8. Move/rename
print.info('\n8. Move/rename')
await filesystem.move('temp-output.txt', 'temp-dir/moved.txt')
print.success('File moved to temp-dir/moved.txt')
// 9. Read directory tree
print.info('\n9. Directory tree')
const tree = filesystem.inspectTree('temp-dir')
print.info(`Temp directory structure:`)
print.info(JSON.stringify(tree, null, 2))
// 10. File info
print.info('\n10. File info')
const info = filesystem.inspect('temp-dir/moved.txt')
if (info) {
print.info(`File type: ${info.type}`)
print.info(`File size: ${info.size} bytes`)
}
// 11. Append to file
print.info('\n11. Append to file')
await filesystem.append('temp-dir/moved.txt', '\nAppended line')
print.success('Content appended')
// 12. Read file with encoding
print.info('\n12. Read with encoding')
const content = await filesystem.read('temp-dir/moved.txt', 'utf8')
print.info(`Content: ${content}`)
// 13. Path utilities
print.info('\n13. Path utilities')
const fullPath = filesystem.path('temp-dir', 'moved.txt')
print.info(`Full path: ${fullPath}`)
print.info(`Current directory: ${filesystem.cwd()}`)
print.info(`Path separator: ${filesystem.separator}`)
// 14. Find by extension
print.info('\n14. Find by extension')
const jsonFiles = filesystem.find('.', {
matching: '*.json',
recursive: false
})
print.info(`JSON files: ${jsonFiles?.join(', ')}`)
// 15. Remove files (cleanup)
print.info('\n15. Cleanup')
await filesystem.remove('temp-dir')
print.success('Removed temp directory')
// Summary
print.info('\n=== Summary ===')
print.success('Filesystem operations completed!')
print.info('Common operations:')
print.info(' - read/write: Handle file content')
print.info(' - exists: Check file/directory existence')
print.info(' - dir: Create directories')
print.info(' - find: Search for files')
print.info(' - copy/move: Manipulate files')
print.info(' - remove: Delete files/directories')
}
}
module.exports = command

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import { GluegunCommand } from 'gluegun'
/**
* Examples of different prompt patterns with Gluegun
*/
const command: GluegunCommand = {
name: 'prompts',
description: 'Interactive prompt examples',
run: async (toolbox) => {
const { prompt, print } = toolbox
print.info('=== Prompt Examples ===\n')
// 1. Simple text input
const nameResult = await prompt.ask({
type: 'input',
name: 'name',
message: 'What is your name?',
initial: 'John Doe'
})
print.info(`Hello, ${nameResult.name}!\n`)
// 2. Confirmation prompt
const shouldContinue = await prompt.confirm('Do you want to continue?')
if (!shouldContinue) {
print.warning('Operation cancelled')
return
}
// 3. Select from list
const frameworkResult = await prompt.ask({
type: 'select',
name: 'framework',
message: 'Choose your framework:',
choices: ['React', 'Vue', 'Angular', 'Svelte']
})
print.info(`Selected: ${frameworkResult.framework}\n`)
// 4. Multi-select
const featuresResult = await prompt.ask({
type: 'multiselect',
name: 'features',
message: 'Select features to enable:',
choices: [
{ name: 'TypeScript', value: 'typescript' },
{ name: 'ESLint', value: 'eslint' },
{ name: 'Prettier', value: 'prettier' },
{ name: 'Testing', value: 'testing' }
],
initial: ['typescript', 'eslint']
})
print.info(`Features: ${featuresResult.features.join(', ')}\n`)
// 5. Password input
const passwordResult = await prompt.ask({
type: 'password',
name: 'password',
message: 'Enter password:'
})
print.info('Password received (hidden)\n')
// 6. Number input
const portResult = await prompt.ask({
type: 'numeral',
name: 'port',
message: 'Enter port number:',
initial: 3000
})
print.info(`Port: ${portResult.port}\n`)
// 7. Autocomplete
const colorResult = await prompt.ask({
type: 'autocomplete',
name: 'color',
message: 'Choose a color:',
choices: ['Red', 'Blue', 'Green', 'Yellow', 'Purple', 'Orange']
})
print.info(`Color: ${colorResult.color}\n`)
// 8. List input (comma-separated)
const tagsResult = await prompt.ask({
type: 'list',
name: 'tags',
message: 'Enter tags (comma-separated):'
})
print.info(`Tags: ${tagsResult.tags.join(', ')}\n`)
// 9. Snippet (multiple fields)
const userResult = await prompt.ask({
type: 'snippet',
name: 'user',
message: 'Fill out user information:',
template: `Name: \${name}
Email: \${email}
Age: \${age}`
})
print.info('User info:')
print.info(JSON.stringify(userResult.user.values, null, 2))
print.info('')
// 10. Conditional prompts
const projectTypeResult = await prompt.ask({
type: 'select',
name: 'projectType',
message: 'Project type:',
choices: ['web', 'mobile', 'desktop']
})
if (projectTypeResult.projectType === 'web') {
const webFrameworkResult = await prompt.ask({
type: 'select',
name: 'webFramework',
message: 'Choose web framework:',
choices: ['Next.js', 'Remix', 'SvelteKit']
})
print.info(`Web framework: ${webFrameworkResult.webFramework}\n`)
}
// Summary
print.success('All prompts completed!')
print.info('See the examples above for different prompt patterns')
}
}
module.exports = command

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/**
* <%= componentName %> Component
* Generated by <%= generatorName %>
* Created: <%= timestamp %>
*/
<% if (language === 'typescript') { %>
import { <%= imports.join(', ') %> } from '<%= importPath %>'
export interface <%= componentName %>Props {
<% props.forEach(prop => { %>
<%= prop.name %>: <%= prop.type %><%= prop.optional ? '?' : '' %>
<% }) %>
}
export class <%= componentName %> {
<% properties.forEach(property => { %>
private <%= property.name %>: <%= property.type %>
<% }) %>
constructor(props: <%= componentName %>Props) {
<% properties.forEach(property => { %>
this.<%= property.name %> = props.<%= property.name %>
<% }) %>
}
<% methods.forEach(method => { %>
<%= method.name %>(<%= method.params %>): <%= method.returnType %> {
// TODO: Implement <%= method.name %>
<% if (method.returnType !== 'void') { %>
return <%= method.defaultReturn %>
<% } %>
}
<% }) %>
}
<% } else if (language === 'javascript') { %>
/**
* <%= componentName %> Component
*/
class <%= componentName %> {
constructor(options = {}) {
<% properties.forEach(property => { %>
this.<%= property.name %> = options.<%= property.name %> || <%= property.default %>
<% }) %>
}
<% methods.forEach(method => { %>
<%= method.name %>(<%= method.params %>) {
// TODO: Implement <%= method.name %>
}
<% }) %>
}
module.exports = <%= componentName %>
<% } %>
<% if (includeTests) { %>
/**
* Tests for <%= componentName %>
*/
describe('<%= componentName %>', () => {
<% methods.forEach(method => { %>
test('<%= method.name %> should work', () => {
// TODO: Write test for <%= method.name %>
})
<% }) %>
})
<% } %>
<% if (includeDocumentation) { %>
/**
* DOCUMENTATION
*
* Usage Example:
* ```<%= language %>
* <% if (language === 'typescript') { %>
* const instance = new <%= componentName %>({
* <% props.forEach(prop => { %>
* <%= prop.name %>: <%= prop.exampleValue %>,
* <% }) %>
* })
* <% } else { %>
* const instance = new <%= componentName %>({
* <% properties.forEach(property => { %>
* <%= property.name %>: <%= property.exampleValue %>,
* <% }) %>
* })
* <% } %>
*
* <% methods.forEach(method => { %>
* instance.<%= method.name %>(<%= method.exampleArgs %>)
* <% }) %>
* ```
*/
<% } %>