A plugin for prettier to enable autoformatting for Cloud Firestore Security Rules.

A custom built parser for the rules is included.

With npm

npm i --save-dev prettier prettier-plugin-firestore-rules 

With yarn

yarn add -D prettier prettier-plugin-firestore-rules 

Generally

prettier -w <path/to/file> 

Using yarn berry

yarn prettier -w <path/to/file> 

Create a .prettierrc file and add your preferred configuration options.

Configurations are optional.

• emptyLinesBetweenBlocks
  • Default: 0
  • Adds empty lines between matcher blocks

{ "emptyLinesBetweenBlocks" : 1 } 

For more information see Prettier documentation.

• Fix some indentation issues
  • Array not correctly indented as function parameter

  request.resource.data.keys().hasOnly( ['rank', 'name', 'description', 'imageUrl', 'timeSlot'] ) 

  • Function parameter in general

  get( /databases/$(database)/documents/configurations/someData ).data.values.hasAll(request.resource.data.someData) 

  • if-alignments, sometimes off

   if hasValue('writeSLots', request.auth.uid, carId) && zxcv && xcvb 

  • semicolon may be off

  && request.resource.data.timeSlot.to > request.resource.data.timeSlot.from ; 

• Add formatter options:
  • && at start or end of the line