refactor: reduce usage of lodash

- import from lodash submodules directly where possible

packages/authentication-local/src/strategy.ts

@@ -1,7 +1,6 @@
 /* eslint-disable @typescript-eslint/no-unused-vars */
 import bcrypt from 'bcryptjs'
 import get from 'lodash/get'
-import omit from 'lodash/omit'
 import { NotAuthenticated } from '@feathersjs/errors'
 import { Query, Params } from '@feathersjs/feathers'
 import { AuthenticationRequest, AuthenticationBaseStrategy } from '@feathersjs/authentication'
@@ -130,7 +129,9 @@ export class LocalStrategy extends AuthenticationBaseStrategy {
       throw new NotAuthenticated(errorMessage)
     }
 
-    const result = await this.findEntity(username, omit(params, 'provider'))
+    const { provider, ...paramsWithoutProvider } = params
+
+    const result = await this.findEntity(username, paramsWithoutProvider)
     await this.comparePassword(result, password)
 
     return {

packages/authentication-oauth/package.json

@@ -64,15 +64,13 @@
     "cookie-session": "^2.1.0",
     "grant": "^5.4.22",
     "koa-session": "^6.4.0",
-    "lodash": "^4.17.21",
     "qs": "^6.12.0"
   },
   "devDependencies": {
     "@feathersjs/memory": "^5.0.24",
     "@types/cookie-session": "^2.0.48",
     "@types/express": "^4.17.21",
     "@types/koa-session": "^6.4.5",
-    "@types/lodash": "^4.17.0",
     "@types/mocha": "^10.0.6",
     "@types/node": "^20.11.26",
     "@types/tough-cookie": "^4.0.5",

packages/authentication-oauth/src/utils.ts

@@ -11,8 +11,6 @@ import koaCookieSession from 'koa-session'
 import { AuthenticationService } from '@feathersjs/authentication'
 import { GrantConfig } from 'grant'
 
-import { defaultsDeep, each, omit } from 'lodash'
-
 export interface OauthSetupSettings {
   linkStrategy: string
   authService?: string
@@ -38,25 +36,31 @@ export const getGrantConfig = (service: AuthenticationService): GrantConfig => {
     }
   }
 
-  const grant: GrantConfig = defaultsDeep({}, omit(oauth, ['redirect', 'origins']), {
+  // omit 'redirect' and 'origins' from oauth
+  const { redirect, origins, ...oauthConfig } = oauth
+
+  const grant: GrantConfig = {
+    ...oauthConfig,
     defaults: {
+      ...oauthConfig.defaults,
       prefix: '/oauth',
       origin: `${protocol}://${host}`,
       transport: 'state',
       response: ['tokens', 'raw', 'profile']
     }
-  })
+  }
 
   const getUrl = (url: string) => {
     const { defaults } = grant
     return `${defaults.origin}${defaults.prefix}/${url}`
   }
 
-  each(grant, (value, name) => {
+  // iterate over grant object with key and value
+  for (const [name, value] of Object.entries(grant)) {
     if (name !== 'defaults') {
       value.redirect_uri = value.redirect_uri || getUrl(`${name}/callback`)
     }
-  })
+  }
 
   return grant
 }

packages/authentication/src/hooks/authenticate.ts

@@ -1,5 +1,3 @@
-import flatten from 'lodash/flatten'
-import omit from 'lodash/omit'
 import { HookContext, NextFunction } from '@feathersjs/feathers'
 import { NotAuthenticated } from '@feathersjs/errors'
 import { createDebug } from '@feathersjs/commons'
@@ -14,7 +12,7 @@ export interface AuthenticateHookSettings {
 export default (originalSettings: string | AuthenticateHookSettings, ...originalStrategies: string[]) => {
   const settings =
     typeof originalSettings === 'string'
-      ? { strategies: flatten([originalSettings, ...originalStrategies]) }
+      ? { strategies: [originalSettings, ...originalStrategies] }
       : originalSettings
 
   if (!originalSettings || settings.strategies.length === 0) {
@@ -49,15 +47,19 @@ export default (originalSettings: string | AuthenticateHookSettings, ...original
     }
 
     if (authentication) {
-      const authParams = omit(params, 'provider', 'authentication')
+      const { provider, authentication, ...authParams } = params
 
       debug('Authenticating with', authentication, strategies)
 
       const authResult = await authService.authenticate(authentication, authParams, ...strategies)
 
-      context.params = Object.assign({}, params, omit(authResult, 'accessToken'), {
+      const { accessToken, ...authResultWithoutToken } = authResult
+
+      context.params = {
+        ...params,
+        ...authResultWithoutToken,
         authenticated: true
-      })
+      }
     } else if (provider) {
       throw new NotAuthenticated('Not authenticated')
     }

packages/authentication/src/jwt.ts

@@ -1,5 +1,4 @@
 /* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/ban-ts-comment */
-import omit from 'lodash/omit'
 import { IncomingMessage } from 'http'
 import { NotAuthenticated } from '@feathersjs/errors'
 import { Params } from '@feathersjs/feathers'
@@ -115,8 +114,11 @@ export class JWTStrategy extends AuthenticationBaseStrategy {
     }
 
     const query = await this.getEntityQuery(params)
-    const getParams = Object.assign({}, omit(params, 'provider'), { query })
-    const result = await entityService.get(id, getParams)
+    const { provider, ...paramsWithoutProvider } = params
+    const result = await entityService.get(id, {
+      ...paramsWithoutProvider,
+      query
+    })
 
     if (!params.provider) {
       return result

packages/express/test/authentication.test.ts

@@ -1,5 +1,5 @@
 /* eslint-disable @typescript-eslint/ban-ts-comment */
-import { omit } from 'lodash'
+import omit from 'lodash/omit'
 import { strict as assert } from 'assert'
 import { default as _axios } from 'axios'
 import { feathers } from '@feathersjs/feathers'

packages/socketio/test/index.test.ts

@@ -9,7 +9,8 @@ import {
 } from '@feathersjs/feathers'
 import express from '@feathersjs/express'
 import { Request, Response } from 'express'
-import { omit, extend } from 'lodash'
+import omit from 'lodash/omit'
+import extend from 'lodash/extend'
 import { io } from 'socket.io-client'
 import axios from 'axios'
 import { Server } from 'http'

packages/transport-commons/src/channels/index.ts

@@ -1,6 +1,6 @@
 import { Application, FeathersService, RealTimeConnection, getServiceOptions } from '@feathersjs/feathers'
 import { createDebug } from '@feathersjs/commons'
-import { compact, flattenDeep, noop } from 'lodash'
+import flattenDeep from 'lodash/flattenDeep'
 import { Channel } from './channel/base'
 import { CombinedChannel } from './channel/combined'
 import { channelMixin, publishMixin, keys, PublishMixin, Event, Publisher } from './mixins'
@@ -87,7 +87,7 @@ export function channels() {
             // 4. App publisher for all events
             appPublishers[keys.ALL_EVENTS] ||
             // 5. No publisher
-            noop
+            (() => {})
 
           try {
             Promise.resolve(publisher(data, hook))
@@ -96,7 +96,9 @@ export function channels() {
                   return
                 }
 
-                const results = Array.isArray(result) ? compact(flattenDeep(result)) : ([result] as Channel[])
+                const results = Array.isArray(result)
+                  ? flattenDeep(result).filter(Boolean)
+                  : ([result] as Channel[])
                 const channel = new CombinedChannel(results)
 
                 if (channel && channel.length > 0) {

packages/transport-commons/test/socket/utils.test.ts

@@ -2,7 +2,7 @@ import assert from 'assert'
 import { EventEmitter } from 'events'
 import { feathers, Application, Params, RealTimeConnection } from '@feathersjs/feathers'
 import { NotAuthenticated } from '@feathersjs/errors'
-import { isPlainObject } from 'lodash'
+import isPlainObject from 'lodash/isPlainObject
 
 import { routing } from '../../src/routing'
 import { normalizeError, getDispatcher, runMethod } from '../../src/socket/utils'