The Cedar policy language extension for Visual Studio Code supports syntax highlighting, formatting, and validation. Install from the Visual Studio Marketplace or by searching within VS Code.

Cedar is an open-source language for writing authorization policies and making authorization decisions based on those policies. Visit the Cedar policy language reference guide for the documentation and the language specification.

Note: The release version of this extension uses Cedar 2.x. Switch to Pre-Release Version for Cedar 3.x features.

Files matching *.cedar are detected as a Cedar policy language and receive syntax highlighting. Validation is performed on document open, document save, during formatting, and via context menu. IntelliSense for entity types and attributes. Formatting can disabled per file using a leading comment line of // @formatter:off. Policy navigation using Outline or Breadcrumb. "Go to Definition" on Cedar entity types and action names. Policies exportable to their JSON representation.

Files named cedarschema.json or matching *.cedarschema.json are detected as a Cedar schema and receive additional syntax highlighting. Validation is performed on document open, document save, and via context menu. When a Cedar schema file is detected or configured in Settings, additional validation of Cedar files uses that schema. Entity type navigation using Outline or Breadcrumb. "Go to Definition" on Cedar entity types and action names.

Files named cedarentities.json or matching *.cedarentities.json are detected as Cedar entities and receive additional syntax highlighting. Validation is performed against a Cedar schema on document open, document save, and via context menu. Entity navigation using Outline or Breadcrumb. "Go to Definition" on Cedar entity types.

Various commands of the cedar CLI take JSON formatted file inputs. Files named cedarauth.json or matching *.cedarauth.json are detected as input to the --request-json option for the authorize command. Files named cedartemplatelinks.json or matching *.cedartemplatelinks.json are detected as input to the --template-linked option for the authorize command. These files receive additional syntax highlighting.

Syntax highlighting of cedar code fence blocks within markdown (*.md) files.

To see all available Cedar commands, open the Command Palette and type Cedar.

Sample .vscode/settings.json which enables editor settings for cedar files, sets a workspace level Cedar schema, and enables auto detection of folder level Cedar schema files.

{
  "[cedar]": {
    "editor.tabSize": 2,
    "editor.wordWrapColumn": 80,
    "editor.formatOnSave": true,
    "editor.defaultFormatter": "cedar-policy.vscode-cedar",
  },
  "cedar.schemaFile": "tinytodo.cedarschema.json",
  "cedar.autodetectSchemaFile": true,
}

Submit bug reports and feature requests on our Github repository. For potential security issues, visit reporting a vulnerability for instructions.