feat: enhance type definitions and import structure across modules

lib/core/config-defaults.ts

@@ -1,6 +1,11 @@
 import { parseQuery, stringifyQuery } from '@/core/serializer/query-serializer'
+import { parseUrl } from '@/core/serializer/url-serializer'
 import { deepClone } from '@/shared/helpers/deep-clone'
-import { parseUrl } from './serializer/url-serializer'
+import type {
+  FLuentUrlPlainObject,
+  FluentUrlConfig,
+  QuerySerializer,
+} from '@/shared/types'
 
 export function normalizeConfig(
   config?: Partial<FluentUrlConfig>,

lib/core/fluent-url.ts

@@ -4,8 +4,13 @@ import {
   normalizeConfig,
   normalizeOptions,
 } from '@/core/config-defaults'
+import { stringifyUrl } from '@/core/serializer/url-serializer'
 import { deepClone } from '@/shared/helpers/deep-clone'
-import { stringifyUrl } from './serializer/url-serializer'
+import type {
+  FLuentUrlPlainObject,
+  FluentUrlConfig,
+  QueriesPlainObject,
+} from '@/shared/types'
 
 export class FluentUrl {
   private config: FluentUrlConfig

lib/core/serializer/query-serializer.ts

@@ -1,3 +1,5 @@
+import type { QuerySerializer } from '@/shared/types'
+
 export const parseQuery: QuerySerializer['parseQuery'] = () => {
   throw new Error('Not implemented')
 }

lib/core/serializer/url-serializer.ts

@@ -1,3 +1,5 @@
+import type { UrlSerializer } from '@/shared/types'
+
 export const parseUrl: UrlSerializer['parseUrl'] = () => {
   throw new Error('Not implemented')
 }