feathers-casl/src/initialize.ts

Add access control with CASL to your feathers application.

import { makeDefaultOptions as makeDefaultAuthorizeHookOptions } from './hooks/authorize/authorize.hook.utils.js'

import { makeDefaultOptions as makeDefaultChannelsOptions } from './channels/channels.utils.js'

import type { Application } from '@feathersjs/feathers'
import type { PartialDeep } from 'type-fest'
import type {
  AuthorizeHookOptions,
  ChannelOptions,
  InitOptions,
} from './types.js'

export const initialize = (
  options?: PartialDeep<InitOptions>,
): ((app: Application) => void) => {
  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
  //@ts-ignore
  if (options?.version) {
    // asserts that you call app.configure(casl({})) instead of app.configure(casl)
    throw new Error(
      "You passed 'feathers-casl' to app.configure() without a function. You probably wanted to call app.configure(casl({}))!",
    )
  }
  options = {
    defaultAdapter: options?.defaultAdapter || '@feathersjs/memory',
    authorizeHook: makeDefaultAuthorizeHookOptions(
      options?.authorizeHook as undefined | Partial<AuthorizeHookOptions>,
    ),
    channels: makeDefaultChannelsOptions(
      options?.channels as undefined | Partial<ChannelOptions>,
    ),
  }
  return (app: Application): void => {
    if (app.get('casl')) {
      return
    }
    app.set('casl', options)
  }
}