feat(config): track transitive config dependencies for watch reload (#919)

Author: sxzz

__snapshots__/tsnapi/index.snapshot.d.ts

@@ -233,6 +233,7 @@ export type ResolvedConfig = Overwrite<MarkPartial<Omit<UserConfig, "workspace"
   ignoreWatch: Array<string | RegExp>;
   deps: ResolvedDepsConfig;
   root: string;
+  configDeps: Set<string>;
   dts: false | DtsOptions;
   report: false | ReportOptions;
   tsconfig: false | string;
@@ -262,11 +263,11 @@ export type WithEnabled<T> = boolean | undefined | CIOption | (T & {
 
 // Functions
 export declare function build(_?: InlineConfig): Promise<TsdownBundle[]>;
-export declare function buildWithConfigs(_: ResolvedConfig[], _: string[], _: () => void): Promise<TsdownBundle[]>;
+export declare function buildWithConfigs(_: ResolvedConfig[], _: Set<string>, _: () => void): Promise<TsdownBundle[]>;
 export declare function defineConfig(_: UserConfigExport): UserConfigExport;
 export declare function enableDebug(_?: boolean | Arrayable<string>): void;
 export declare function mergeConfig(_: InlineConfig, ..._: InlineConfig[]): InlineConfig;
-export declare function resolveUserConfig(_: UserConfig, _: InlineConfig): Promise<ResolvedConfig[]>;
+export declare function resolveUserConfig(_: UserConfig, _: InlineConfig, _: Set<string>): Promise<ResolvedConfig[]>;
 
 // Variables
 export declare const globalLogger: Logger;

__snapshots__/tsnapi/index.snapshot.js

@@ -6,5 +6,5 @@ export { defineConfig }
 export function enableDebug(_) {}
 export var globalLogger /* const */
 export function mergeConfig(_, ..._) {}
-export async function resolveUserConfig(_, _) {}
+export async function resolveUserConfig(_, _, _) {}
 export { Rolldown }

__snapshots__/tsnapi/plugins.snapshot.d.ts

@@ -14,7 +14,7 @@ export declare function DepsPlugin({
 export declare function NodeProtocolPlugin(_: "strip" | true): Plugin;
 export declare function ReportPlugin(_: ResolvedConfig, _?: boolean, _?: boolean): Plugin;
 export declare function ShebangPlugin(_: Logger, _: string, _?: string, _?: boolean): Plugin;
-export declare function WatchPlugin(_: string[], {
+export declare function WatchPlugin(_: Set<string>, {
   config,
   chunks
 }: TsdownBundle): Plugin;

pnpm-lock.yaml

@@ -18,7 +18,7 @@ catalogs:
     '@types/node': ^25.6.0
     '@types/picomatch': ^4.0.3
     '@types/semver': ^7.7.1
-    '@typescript/native-preview': 7.0.0-dev.20260415.1
+    '@typescript/native-preview': 7.0.0-dev.20260416.1
     '@vitest/coverage-v8': ^4.1.4
     '@vitest/ui': ^4.1.4
     baseline-browser-mapping: ^2.10.19
@@ -32,7 +32,7 @@ catalogs:
     prettier: ^3.8.3
     rolldown-plugin-require-cjs: ^0.4.0
     sass: ^1.99.0
-    tsnapi: ^0.2.0
+    tsnapi: ^0.2.2
     typescript: ~6.0.2
     unplugin-ast: ^0.16.0
     unplugin-raw: ^0.7.0
@@ -70,7 +70,7 @@ catalogs:
     defu: ^6.1.7
     empathic: ^2.0.0
     hookable: ^6.1.1
-    import-without-cache: ^0.2.5
+    import-without-cache: ^0.3.3
     is-in-ci: ^2.0.0
     lightningcss: ^1.32.0
     obug: ^2.1.1