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Sublime Text package adding Tern support
Python JavaScript
branch: master

autocomplete and function hint in tooltip improved

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README.md

Tern for Sublime Text

This is a Sublime Text (version 2 and 3) package that provides Tern-based JavaScript editing support.

In JavaScript files, the package will handle autocompletion.

The following keys will be found (in JavaScript files):

alt+.
Jump to the definition of the thing that the cursor is pointing at. If there is no known code location, but it has a documentation URL associated with, this will open the documentation in your browser instead.

alt+,
Jump back to where you were when executing the previous alt+. command.

alt+space
When on a variable, select all references to that variable in the current file.

Installation

Check out the code in this repository into a subdirectory of your Sublime Text's Packages directory.

cd /path/to/sublime-text-N/Packages
git clone git://github.com/marijnh/tern_for_sublime.git

Next, make sure node.js and npm are installed (Tern is a JavaScript program), and install the depedencies of the package.

cd tern_for_sublime
npm install

You should be all set now.

Configuration

The plugin will load its settings from Preferences.sublime-settings, and recognized the following settings:

tern_argument_hints (boolean, defaults to false)
Whether to show argument hints (May impact responsiveness on slow machines or big projects).

tern_argument_hints_type (status, panel, tooltip, defaults to tooltip when available, otherwise status)
status - When status is enabled, the status bar will list the arguments for the function call that the cursor is inside. Unfortunately, the status bar is tiny and Sublime Text 2 provides no saner way to show these hints.
panel - When panel is enabled, a new panel window opens and will list the arguments for the function call that the cursor is inside.
tooltip - (only available on SublimeText build 3070+) When tooltip is enabled, a tooltip opens and will list the arguments for the function call that the cursor is inside, as well as, a clickable URL (if available) to the docs and a snippet of documentation (if available).

tern_command (list of strings) The command to execute to start a Tern server. The default is ["node", "/path/to/Packages/tern_for_sublime/node_modules/tern/bin/tern"]. If your node installation lives somewhere that's not in the default path, or your Tern checkout is not where the module expects it to be, you'll want to manually set this option.

tern_arguments (list of strings) An extra set of arguments to pass to the Tern server. For example --no-port-file to suppress the creation of .tern-port files.

Tern uses .tern-project files to configure loading libraries and plugins for a project. See the Tern docs for details.

Automatically Showing Completions

Add {"selector": "source.js", "characters": "."} to your auto_complete_triggers array in the Sublime Text preferences to automatically show completions after a dot is typed following an object name.

Example:

"auto_complete_triggers": [ {"selector": "text.html", "characters": "<"}, {"selector": "source.js", "characters": "."} ]

Ensure that your auto_complete preference is set to true. It's enabled by default.

Alternative package

There exists also Sublime Tern, a package with similar goals (Tern integration for ST). It exposes a slightly different set of functionality, and uses the PyV8 bridge, rather than node.js, to run the Tern server.

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