Dart By Example

Short snippets of code to help you become productive with Dart.

See the source on Github.

Angular Dart

Basics

• Setting up a controller
• Using multiple controllers
• Conditionally displaying content
• Conditionally switching between DOM element
• Displaying items in a list
• Setting element classes using a string
• Setting element classes using a list
• Setting element classes using a map

Components

• Creating a simple component
• Applying outside styles to a component
• Adding an element into the Shadow DOM
• Binding an attribute to a string
• Creating a one-way binding
• Creating a one-way one-time binding
• Creating a two-way binding
• Creating a component that allows child tags
• Creating a component that allows only select child tags
• Creating a component that can be used as table row <tr>
• A list component that creates its items dynamically from data
• A component that repeats over its child nodes

Forms

• Binding to a boolean using a checkbox
• Selecting an item from a dropdown
• Binding to text fields
• Selecting a radio button
• Selecting multiple checkboxes

Routing

• Setting up simple routing
• Nesting routes
• Accessing the router in the controller
• Accessing route params within components
• Setting up a default view
• Redirecting to a new route

Filters

• Shortening a list
• Shortening a string
• Filtering list contents based on a string match
• Ordering list contents
• Filtering list contents using a function
• Ordering list contents by field
• Ordering list contents in reverse order

Using Polymer elements

• Using a Polymer element with an Angular controller

Dart I/O and command-line apps

• Introduction

Files, directories, and symlinks

• Deleting a file, directory, or symlink
• Renaming a file, directory, or symlink
• Finding the type of a filesystem object
• Getting the parent directory
• Creating a file
• Reading a file as a string
• Reading a file as lines
• Reading a file as bytes
• Using a stream to read a file
• Handling errors when reading a file
• Writing a string to a file
• Writing bytes to a file
• Using a stream to write to a file
• Creating a directory
• Creating a temp directory
• Listing the contents of a directory
• Creating a symlink
• Checking if a path represents a symlink
• Getting the target of a symlink

HTTP requests and responses

• Making a GET request
• Making a POST request
• Adding custom headers to a request
• Making multiple requests to the same server
• Handling errors when making a request
• Getting redirection history
• Getting the response body as a string
• Getting the response content in binary format
• Getting the response headers

HTTP server

• Implementing a dead-simple HTTP server
• Listing directory contents
• Serving index.html
• Serving a 404
• Routing requests based on URL patterns

Sockets

• Using serversockets server
• Using serversockets client

Websockets

• Using websockets server
• Using websockets client

OS and hardware information

• Getting environment variables
• Identifying the operating system
• Getting information about the script being run

Interacting with processes

• Running a process
• Obtaining the exit code when running a process

Working with paths

• Joining paths
• Parsing a path into components
• Calculating relative paths
• Converting between a URI and a path
• Getting information about a file path
• Getting the path separator for the current platform

Other resources

• Other resources