fix: SERVICE symbol sometimes cannot be imported

src/create-pinia-service.ts

@@ -1,11 +1,10 @@
 import type { Params as FeathersParams, FeathersService, Id, Paginated, PaginationOptions } from '@feathersjs/feathers'
-import { SERVICE } from '@feathersjs/feathers'
 import type { MaybeRef } from '@vueuse/core'
 import type { ComputedRef } from 'vue-demi'
 import { computed, isRef, reactive, ref, unref } from 'vue-demi'
 import type { UseFindOptions, UseFindParams, UseGetParams } from './use-find-get/index.js'
 import type { AnyData, Params, Query } from './types.js'
-import { existingServiceMethods, getParams } from './utils/index.js'
+import { SERVICE, existingServiceMethods, getParams } from './utils/index.js'
 import { useFind, useGet } from './use-find-get/index.js'
 import { convertData } from './utils/convert-data'
 import type { ServiceInstance } from './modeling/index.js'

src/utils/utils.ts

@@ -8,6 +8,13 @@ import type { AnyData, AnyDataOrArray, DiffDefinition, Params, Query, QueryInfo
 import { defineValues } from './define-properties.js'
 import { convertData } from './convert-data.js'
 
+// copied from @feathersjs/commons
+export function createSymbol(name: string) {
+  return typeof Symbol !== 'undefined' ? Symbol.for(name) : name
+}
+
+export const SERVICE = createSymbol('@feathersjs/service')
+
 interface GetExtendedQueryInfoOptions {
   queryInfo: QueryInfo
   service: any