firebase-app - rules - paths

paths.rules.js

const paths = require('./paths')
const { validate, newData, isAuth, isAuthId, isString, isNow } = require('firebase-rules/helpers/common');

module.exports = {
  __setup__: 'paths',

  // this is a shorthand for { read: 'auth.uid != null' }
  [paths.posts]: isAuth,

  // these are shorthands for { validate: ... }
  [paths.post('$postId')]: validate(hasChildren(['title', 'body', 'createdAt', 'createdBy'])),
  [paths.postTitle('$postId')]: validate(isString),
  [paths.postBody('$postId')]: validate(isString),
  [paths.postCreatedAt('$postId')]: validate(isNow)
  [paths.postCreatedBy('$postId')]: validate(isAuthId(newData))

}