refactor: simplify Rstack config loader

Author: chenjiahan

packages/rstack/src/config.ts

@@ -105,7 +105,7 @@ export const define: Define = {
   staged: (config) => setConfig('staged', config),
 };
 
-export const loadRstackConfigWithMeta = async (): Promise<LoadedRstackConfig> => {
+export const loadRstackConfig = async (): Promise<LoadedRstackConfig> => {
   const state = getConfigState();
   state.configs = {};
 
@@ -135,8 +135,3 @@ export const loadRstackConfigWithMeta = async (): Promise<LoadedRstackConfig> =>
     state.configs = {};
   }
 };
-
-export const loadRstackConfig = async (): Promise<Configs> => {
-  const { configs } = await loadRstackConfigWithMeta();
-  return configs;
-};

packages/rstack/src/rsbuildConfig.ts

@@ -1,5 +1,5 @@
 import { mergeRsbuildConfig, type RsbuildConfigDefinition, type ConfigParams } from '@rsbuild/core';
-import { loadRstackConfigWithMeta, type Configs } from './config.js';
+import { loadRstackConfig, type Configs } from './config.js';
 
 const resolveRsbuildConfig = async (configs: Configs, params: ConfigParams) => {
   const appConfig = configs.app;
@@ -13,7 +13,7 @@ const resolveRsbuildConfig = async (configs: Configs, params: ConfigParams) => {
 };
 
 const loadRsbuildConfig: RsbuildConfigDefinition = async (params) => {
-  const { configs, filePath, dependencies } = await loadRstackConfigWithMeta();
+  const { configs, filePath, dependencies } = await loadRstackConfig();
   const config = await resolveRsbuildConfig(configs, params);
 
   if (!filePath) {

packages/rstack/src/rslibConfig.ts

@@ -14,7 +14,7 @@ const resolveRslibConfig = async (configs: Configs, params: ConfigParams): Promi
 };
 
 const loadRslibConfig = (async (params: ConfigParams) => {
-  const configs = await loadRstackConfig();
+  const { configs } = await loadRstackConfig();
   return resolveRslibConfig(configs, params);
 }) as RslibConfigDefinition;
 

packages/rstack/src/rslintConfig.ts

@@ -1,7 +1,7 @@
 import { loadRstackConfig } from './config.js';
 import type { RslintConfig } from '@rslint/core';
 
-const configs = await loadRstackConfig();
+const { configs } = await loadRstackConfig();
 const lintExports = configs.lint ?? [];
 
 let lintConfig: RslintConfig;

packages/rstack/src/rspressConfig.ts

@@ -13,6 +13,6 @@ const resolveRspressConfig = async (configs: Configs): Promise<UserConfig> => {
 };
 
 export default async (): Promise<UserConfig> => {
-  const configs = await loadRstackConfig();
+  const { configs } = await loadRstackConfig();
   return resolveRspressConfig(configs);
 };

packages/rstack/src/rstestConfig.ts

@@ -56,7 +56,7 @@ const resolveRstestConfig = async (configs: Configs) => {
 };
 
 const loadRstestConfig = (async (params: ConfigParams) => {
-  const configs = await loadRstackConfig();
+  const { configs } = await loadRstackConfig();
   const testConfig = await resolveRstestConfig(configs);
   return extendsConfig(configs, testConfig, params);
 }) as RstestConfigExport;

packages/rstack/src/staged.ts

@@ -65,7 +65,7 @@ export async function runStagedCLI(args: string[]): Promise<void> {
     return;
   }
 
-  const configs = await loadRstackConfig();
+  const { configs } = await loadRstackConfig();
   const stagedConfig = configs.staged;
   if (!stagedConfig) {
     throw new Error(