Low-Level APIs

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Modules in this section implement low-level APIs. These modules fall roughly into three categories:

  • fundamental utilities such as collection. Many add-ons are likely to want to use modules from this category.

  • building blocks for higher level modules, such as events and worker. You're more likely to use these if you are building your own modules that implement new APIs, thus extending the SDK itself.

  • privileged modules that expose powerful low-level capabilities such as window/utils and net/xhr. You can use these modules in your add-on if you need to, but should be aware that the cost of privileged access is the need to take more elaborate security precautions. In many cases these modules have simpler, more restricted analogs among the "High-Level APIs" (for example, windows or request).

These modules are still in active development, and we expect to make incompatible changes to them in future releases.

/loader
Create CommonJS module loaders.
console/plain-text
Constructor for a console instance.
console/traceback
Functionality similar to Python's traceback module.
content/content
Re-exports three objects from three other modules: Loader, Worker, and Symbiont.
content/loader
Provides one of the building blocks for those modules that use content scripts to interact with web content, such as panel and page-mod.
content/mod
Provides functions to modify a page content.
content/symbiont
Used by SDK modules that can load web content and attach content scripts to it.
content/worker
Used in the internal implementation of SDK modules which use content scripts to interact with web content.
core/heritage
Helper functions for inheritance.
core/namespace
Provides an API for creating namespaces for objects, which effectively may be used for creating fields that are not part of objects public API.
core/promise
Implementation of promises to make asynchronous programming easier.
dev/panel
Enables you to extend the Firefox Developer Tools.
event/core
The event/core module allows the creation of APIs to broadcast and subscribe to events.
event/target
Create objects that broadcast events.
frame/hidden-frame
Creates Firefox frames (i.e. XUL <iframe> elements) that are not displayed to the user.
frame/utils
Provides helper functions for working with platform internals like frames and browsers.
fs/path
Provides access to the local filesystem with the NodeJS path module API.
io/byte-streams
Provides streams for reading and writing bytes.
io/file
Provides access to the local filesystem.
io/text-streams
Provides streams for reading and writing text.
lang/functional
Functional helper methods.
lang/type
Functions for working with type detection.
loader/cuddlefish
The SDK's module loader.
loader/sandbox
Create JavaScript sandboxes and execute scripts in them.
net/url
Enables you to read content from a URI.
net/xhr
Provides access to XMLHttpRequest functionality.
places/bookmarks
Create, modify, and retrieve bookmarks.
places/favicon
Helper functions for working with favicons.
places/history
Access the user's browsing history.
platform/xpcom
Implement XPCOM objects, factories, and services.
preferences/event-target
Listen to changes to the Preferences system in Firefox.
preferences/service
Access the Preferences system in Firefox.
remote/child
Enables an SDK module loaded into a child process to access web content in the child process and communicate with modules in the main process.
remote/parent
Enables you to load modules, and privileged parts of your add-on in general, into child processes.
stylesheet/style
Modify styles using stylesheet files or CSS rules.
stylesheet/utils
Helper functions for working with stylesheets.
system/child_process
An implementation of the node.js child_process API.
system/environment
Access, set and clear environment variables.
system/events
API for working with the application observer service.
system/runtime
Access to information about Firefox's runtime environment.
system/unload
Register callbacks that are called when a module is unloaded.
system/xul-app
Information about the application on which your add-on is running.
tabs/utils
Functions for working with XUL tabs and the XUL tabbrowser object.
test/assert
Implements the assert interface defined in the CommonJS Unit Testing specification version 1.1.
test/harness
Test harness setup and execution.
test/httpd
An HTTP server for the Mozilla platform, which can be used in unit tests.
test/runner
Sets up unit tests.
test/utils
Helper methods used in the CommonJS Unit Testing suite.
ui/button/action
Add a button to the Firefox user interface.
ui/button/toggle
Add a toggle button to the Firefox user interface.
ui/frame
Create HTML iframes, using bundled HTML, CSS and JavaScript, that can be added to a designated area of the Firefox user interface.
ui/id
Create UI component IDs.
ui/sidebar
Enables you to create sidebars.
ui/toolbar
Add a toolbar to the Firefox user interface.
util/array
Helper functions for working with arrays.
util/collection
A simple list-like class and utilities for using it.
util/deprecate
Functions to deprecate code.
util/list
Building blocks for composing lists.
util/match-pattern
Test strings containing URLs against simple patterns.
util/object
Functions for working with objects.
util/uuid
Generate or parse UUIDs.
window/utils
Functions for working with browser windows.

 

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Contributors to this page: HarunCALAYER, wbamberg
Ostatnia aktualizacja: HarunCALAYER,
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