Angel
2.x
2.x
  • Introduction
  • Migration from Angel 1.1.x
    • Rationale - Why a new Version?
    • Framework Changelog
    • 2.0.0 Migration Guide
  • ORM
    • About
    • Basic Functionality
    • Relations
    • Migrations
    • NoSQL
    • PostgreSQL
  • Guides
    • Getting Started
    • Basic Routing
    • Dependency Injection Patterns
    • Installation & Setup
    • Without the Boilerplate
    • Requests & Responses
    • Dependency Injection
    • Basic Routing
    • Request Lifecycle
    • Middleware
    • Controllers
    • Parsing Request Bodies
    • Using Plug-ins
    • Rendering Views
    • Service Basics
    • REST Client
    • Testing
    • Error Handling
    • Pattern Matching and Parameter
    • Command Line
    • Writing a Plugin
  • Example Projects
  • YouTube Tutorials
  • Ecosystem
  • Packages
    • Authentication
    • CORS
    • Database-Agnostic Relations
    • Configuration
    • Database Adapters
      • MongoDB
      • RethinkDB
      • JSON File-based
      • ORM
    • Front-end
      • Mustache Templates
      • Jael template engine
        • Github
        • Basics
        • Custom Elements
        • Strict Resolution
        • Directive: declare
        • Directive: for-each
        • Directive: extend
        • Directive: if
        • Directive: include
        • Directive: switch
      • compiled_mustache-based engine
      • html_builder-based engine
      • Markdown template engine
      • Using Angel with Angular
    • Hot Reloading
    • Pagination
    • Polling
    • Production Utilities
    • Reverse Proxy
    • Router
    • Serialization
    • Service Seeder
    • Static Files
    • Security
    • Server-sent Events
    • shelf Integration
    • Task Engine
    • User Agents
    • Validation
    • Websockets
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  1. Packages
  2. Front-end
  3. Jael template engine

Directive: extend

Jael supports template inheritance by means of extend and block.

Note the following example:

<!-- layout.jl -->
<html>
    <head>
        <title>{{ title }} - My App</title>
    </head>
    <body>
        <block name="content"></block>
        <div class="footer">
          <!-- Footer content... -->
        </div>
    </body>
</html>

<!-- hello.jl -->
<extend src="layout.jl">
  <block name="content">
    <img src=user.avatar ?? "http://example.com/img/default-avatar">
    Hello, {{ user.name }}!
  </block>
</extend>

To extend a layout, instead of the file containing an <html> node, create a file with an <extend> node. The src attribute should point to the correct file. Then, add <block> tags that will replace the corresponding <block> tags declared in the parent file.

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Last updated 6 years ago