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Chapter 1: Getting Started

  • Why Atom?
  • Installing Atom
  • Atom Basics
  • Summary

Chapter 2: Using Atom

  • Atom Packages
  • Moving in Atom
  • Atom Selections
  • Editing and Deleting Text
  • Find and Replace
  • Snippets
  • Autocomplete
  • Folding
  • Panes
  • Pending Pane Items
  • Grammar
  • Version Control in Atom
  • GitHub package
  • Writing in Atom
  • Basic Customization
  • Summary

Chapter 3: Hacking Atom

  • Tools of the Trade
  • The Init File
  • Package: Word Count
  • Package: Modifying Text
  • Package: Active Editor Info
  • Creating a Theme
  • Creating a Grammar
  • Creating a Legacy TextMate Grammar
  • Publishing
  • Iconography
  • Debugging
  • Writing specs
  • Handling URIs
  • Cross-Platform Compatibility
  • Converting from TextMate
  • Hacking on Atom Core
  • Contributing to Official Atom Packages
  • Creating a Fork of a Core Package in atom/atom
  • Maintaining a Fork of a Core Package in atom/atom
  • Summary

Chapter 4: Behind Atom

  • Configuration API
  • Keymaps In-Depth
  • Scoped Settings, Scopes and Scope Descriptors
  • Serialization in Atom
  • Developing Node Modules
  • Interacting With Other Packages Via Services
  • Maintaining Your Packages
  • How Atom Uses Chromium Snapshots
  • Summary

Reference: API

  • AtomEnvironment
  • BufferedNodeProcess
  • BufferedProcess
  • Clipboard
  • Color
  • CommandRegistry
  • CompositeDisposable
  • Config
  • ContextMenuManager
  • Cursor
  • Decoration
  • DeserializerManager
  • Directory
  • DisplayMarker
  • DisplayMarkerLayer
  • Disposable
  • Dock
  • Emitter
  • File
  • GitRepository
  • Grammar
  • GrammarRegistry
  • Gutter
  • HistoryManager
  • KeymapManager
  • LayerDecoration
  • MarkerLayer
  • MenuManager
  • Notification
  • NotificationManager
  • Package
  • PackageManager
  • Pane
  • Panel
  • PathWatcher
  • Point
  • Project
  • Range
  • ScopeDescriptor
  • Selection
  • StyleManager
  • Task
  • TextBuffer
  • TextEditor
  • ThemeManager
  • TooltipManager
  • ViewRegistry
  • Workspace
  • WorkspaceCenter

Appendix A: Resources

  • Glossary

Appendix B: FAQ

  • Is Atom open source?
  • What does Atom cost?
  • What platforms does Atom run on?
  • How can I contribute to Atom?
  • Why does Atom collect usage data?
  • Atom in the cloud?
  • What's the difference between an IDE and an editor?
  • How can I tell if subpixel antialiasing is working?
  • Why is Atom deleting trailing whitespace? Why is there a newline at the end of the file?
  • What does Safe Mode do?
  • I have a question about a specific Atom community package. Where is the best place to ask it?
  • I’m using an international keyboard and keys that use AltGr or Ctrl+Alt aren’t working
  • I’m having a problem with Julia! What do I do?
  • I’m getting an error about a “self-signed certificate”. What do I do?
  • I’m having a problem with PlatformIO! What do I do?
  • How do I make Atom recognize a file with extension X as language Y?
  • How do I make the Welcome screen stop showing up?
  • How do I preview web page changes automatically?
  • How do I accept input from my program or script when using the script package?
  • I am unable to update to the latest version of Atom on macOS. How do I fix this?
  • I’m trying to change my syntax colors from styles.less, but it isn’t working!
  • How do I build or execute code I've written in Atom?
  • How do I uninstall Atom on macOS?
  • macOS Mojave font rendering change
  • Why does macOS say that Atom wants to access my calendar, contacts, photos, etc.?
  • How do I turn on line wrap?
  • The menu bar disappeared, how do I get it back?
  • How do I use a newline in the result of find and replace?
  • What is this line on the right in the editor view?

Appendix C: Shadow DOM

  • Removing Shadow DOM styles

Appendix D: Upgrading to 1.0 APIs

  • Upgrading Your Package
  • Upgrading Your UI Theme Or Package Selectors
  • Upgrading Your Syntax Theme

Appendix E: Atom server-side APIs

  • Atom package server API
  • Atom update server API

  • mac
  • windows
  • linux

Directory Extended

Represents a directory on disk that can be watched for changes.

Construction

::constructor(directoryPath, symlink)

Configures a new Directory instance, no files are accessed.

Argument Description

directoryPath

A String containing the absolute path to the directory

symlink

optional

A Boolean indicating if the path is a symlink. (default: false)

::create(mode)

Creates the directory on disk that corresponds to ::getPath() if no such directory already exists.

Argument Description

mode

optional

Number that defaults to 0777.

Return values

Returns a Promise that resolves once the directory is created on disk. It resolves to a boolean value that is true if the directory was created or false if it already existed.

Event Subscription

::onDidChange(callback)

Invoke the given callback when the directory’s contents change.

Argument Description

callback

Function to be called when the directory’s contents change.

Return values

Returns a Disposable on which .dispose() can be called to unsubscribe.

Directory Metadata

::isFile()

Return values

Returns a Boolean, always false.

::isDirectory()

Return values

Returns a Boolean, always true.

::isSymbolicLink()

Return values

Returns a Boolean indicating whether or not this is a symbolic link

::exists()

Return values

Returns a promise that resolves to a Boolean, true if the directory exists, false otherwise.

::existsSync()

Return values

Returns a Boolean, true if the directory exists, false otherwise.

::isRoot()

Return a Boolean, true if this Directory is the root directory of the filesystem, or false if it isn’t.

Managing Paths

::getPath()

This may include unfollowed symlinks or relative directory entries. Or it may be fully resolved, it depends on what you give it.

Return values

Returns the directory’s String path.

::getRealPathSync()

All relative directory entries are removed and symlinks are resolved to their final destination.

Return values

Returns this directory’s completely resolved String path.

::getBaseName()

Return values

Returns the String basename of the directory.

::relativize()

Return values

Returns the relative String path to the given path from this directory.

Traversing

::getParent()

Traverse to the parent directory.

Return values

Returns a Directory.

::getFile(filename)

Traverse within this Directory to a child File. This method doesn’t actually check to see if the File exists, it just creates the File object.

Argument Description

filename

The String name of a File within this Directory.

Return values

Returns a File.

::getSubdirectory(dirname)

Traverse within this a Directory to a child Directory. This method doesn’t actually check to see if the Directory exists, it just creates the Directory object.

Argument Description

dirname

The String name of the child Directory.

Return values

Returns a Directory.

::getEntriesSync()

Reads file entries in this directory from disk synchronously.

Return values

Returns an Array of File and Directory objects.

::getEntries(callback)

Reads file entries in this directory from disk asynchronously.

Argument Description

callback

A Function to call with the following arguments:

error

An Error, may be null.

entries

An Array of File and Directory objects.

::contains(pathToCheck)

Determines if the given path (real or symbolic) is inside this directory. This method does not actually check if the path exists, it just checks if the path is under this directory.

Argument Description

pathToCheck

The String path to check.

Return values

Returns a Boolean whether the given path is inside this directory.

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