CASL feathers service name

abilities.js

const { Ability, AbilityBuilder, toMongoQuery } = require('casl')
const { Forbidden } = require('feathers-errors')
const TYPE_KEY = Symbol.for('type') // <--- added

// the rest of the logic

function subjectName(subject) { // <--- added
  if (!subject || typeof subject === 'string') {
    return subject
  }

  return subject[TYPE_KEY]
}

function defineAbilitiesFor(user) {
  const { rules, can } = AbilityBuilder.extract()

  // rules definition

  return new Ability(rules, { subjectName })  // <--- passed subjectName option
}



module.exports = function authorize(name = null) {
  return async function(hook) {
    // logic to check request type and retrieve result for item request

    result[TYPE_KEY] = serviceName  // <--- added
    
    if (hook.params.ability.cannot(action, result)) {
      throw new Forbidden(`You are not allowed to ${action} ${serviceName}`)
    }

    if (action === 'get') {
      hook.result = result
    }

    return hook
  }
}