File Types Recognized by WebStorm

WebStorm recognizes numerous file types. Each file type is denoted with a special icon. Custom files types are also allowed. Each file type is associated with one or more extensions that match a certain pattern.

The file types and their extensions are configurable in the File Types dialog.

The default types include:

File Type	Icon
Apache Config files
Archive files
C# files
C/C++ files
Command Shell files
CSS files
CoffeeScript files
Dart files
Erlang files
Files marked as plain text
Files opened in associated applications
Handlebars files
HAML files
HTML files
IDL files
Image files
JavaFX files
JavaScript files
JavaScript test files
JavaScript files that can be executed on Node.js
Jade files (refer to the section Pug (Jade) Template Engine).
JSHint configuration files
JSON files
JSTestDriver Config files
Java Server Pages files
LESS files
reStructuredText files
Patch files
Perl files
Pug files (refer to the section Pug (Jade) Template Engine).
Regular expressions
RELAX NG Compact Syntax
Sass files
SCSS files
Stylus files
Text files
TypeScript files
XHTML files
XML DTD files
XML files
YAML files