AngularJS Directives Cookbook

AngularJS Directives Cookbook

Overview of this book

AngularJS directives are at the center of what makes it such an exciting – and important - web development framework. With directives, you can take greater control over HTML elements on your web pages – they ‘direct’ Angular’s HTML compiler to behave in the way you want it to. It makes building modern web applications a much more expressive experience, and allows you to focus more closely on improving the way that user interaction impacts the DOM and the way your app manages data. If you’re already using Angular, you probably recognize the power of directives to transform the way you understand and build your projects – but customizing and creating your own directives to harness AngularJS to its full potential can be more challenging. This cookbook shows you how to do just that – it’s a valuable resource that demonstrates how to use directives at every stage in the workflow. Packed with an extensive range of solutions and tips that AngularJS developers shouldn’t do without, you’ll find out how to make the most of directives. You’ll find recipes demonstrating how to build a number of different user interface components with directives, so you can take complete control over how users interact with your application. You’ll also learn how directives can simplify the way you work by creating reusable directives – by customizing them with Yeoman you can be confident that you’re application has the robust architecture that forms the bedrock of the best user experiences. You’ll also find recipes that will help you learn how to unit test directives, so you can be confident in the reliability and performance of your application. Whether you’re looking for guidance to dive deeper into AngularJS directives, or you want a reliable resource, relevant to today’s web development challenges, AngularJS Directives Cookbook delivers everything you need in an easily accessible way.

Preface

What this book covers

What you need for this book

Free Chapter

1. Dealing with Modal and Tabs Directives

Introduction

Using inline HTML templates

Creating a simple modal directive

Loading external templates for best practices

Using the link function

Dealing with tabs without Bootstrap UI directives

2. Building a Navbar Custom Directive

Introduction

Building a navbar directive

Directory structure for common components

Directive's controller function

Using the data attribute to HTML5 compile

3. Customizing and Using Bootstrap UI Directives

Introduction

Dealing with modal directives

Creating tab directives

The isolate $scope

Building accordion tab directives

Loading dynamic content

4. Creating Interactive jQuery UI Directives

Introduction

A simple directive example

Manipulating the DOM with jQuery

The compile and link functions

Creating the jQuery UI draggable directive

Creating the jQuery UI droppable directive

5. Implementing Custom Directives with Yeoman Generators

Introduction

Creating the baseline app with generator-angm

Generator best practices

How to implement the ngMap directive

Using the Angular-Loading-Bar directive

Implementing the ng-grid directive

6. Using Directives to Develop Interface Components

Introduction

Creating an Off Canvas menu

Applying custom CSS

Building a shopping cart

7. Building Directives with Dynamic Templates

Introduction

Using dynamic templates on directives

The compile function

Organizing dynamic directives on shared folders

Mixing different content on templates

8. Creating Reusable Directives

Introduction

How to scale an AngularJS project to use reusable directives

Building a directive as an interface component

Creating a form directive with custom validation

9. Directive Unit Testing with Karma and Jasmine

Introduction

How to test AngularJS apps using Karma and Karma Runner

Writing tests for directives with Jasmine

Testing elements when the scope changes

Index

Customer Reviews

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The compile function

In the previous recipes in previous chapters we mentioned the $compile function using the compile complete recommended syntax, as follows:

compile: function compile(tElement, tAttrs, transclude) {
  return {
    pre: function preLink(scope, iElement, iAttrs, controller) { ... },
    post: function postLink(scope, iElement, iAttrs, controller) { ... }
}

In this recipe, we will show the alternative method of calling and using the $compile function.

Getting ready

The baseline code for this recipe is the same as in the previous chapter.

How to do it…

As we are using the same code base, and we already wrote the code in the previous recipe, open the dynamic-template-directive.js and take a look at the linkF function:

var linkF = function(scope, element, attrs) {
  element.html(getTemplate(scope.content.type)).show();
  $compile(element.contents())(scope);
}

How it works…

Note that inside the linkF, we used the .html() and .show() methods from jQuery Lite (built in to AngularJS) to...

AngularJS Directives Cookbook

AngularJS Directives Cookbook

Overview of this book

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AngularJS Directives Cookbook

The compile function

Getting ready

How to do it…

How it works…