feat: when changing filePath allow to also change definitionPath

Author: unrevised6419

packages/wxt/src/core/resolve-config.ts

@@ -495,6 +495,7 @@ async function getUnimportOptions(
 
   const importsCopy = {
     ...(config.imports || {}),
+    // NOTE: `eslintrc` is resolved separately above
     eslintrc: undefined,
   };
 
@@ -533,11 +534,16 @@ function getEslintConfig(
   wxtDir: string,
   eslintrc: Eslintrc | undefined,
 ): ResolvedEslintrc {
+  const filePath =
+    eslintrc?.filePath || path.resolve(wxtDir, 'eslint-auto-imports.mjs');
+  const definitionPath =
+    eslintrc?.definitionPath ||
+    path.resolve(wxtDir, 'eslint-auto-imports.d.mts');
+
   return {
     legacy: false,
-    filePath:
-      eslintrc?.filePath || path.resolve(wxtDir, 'eslint-auto-imports.mjs'),
-    definitionPath: path.resolve(wxtDir, 'eslint-auto-imports.d.mts'),
+    filePath,
+    definitionPath,
     globalsPropValue: eslintrc?.globalsPropValue ?? true,
   };
 }
@@ -546,10 +552,12 @@ function getEslintLegacyConfig(
   wxtDir: string,
   eslintrc: Eslintrc | undefined,
 ): ResolvedEslintrcLegacy {
+  const filePath =
+    eslintrc?.filePath || path.resolve(wxtDir, 'eslintrc-auto-import.json');
+
   return {
     legacy: true,
-    filePath:
-      eslintrc?.filePath || path.resolve(wxtDir, 'eslintrc-auto-import.json'),
+    filePath,
     globalsPropValue: eslintrc?.globalsPropValue ?? true,
   };
 }

packages/wxt/src/types.ts

@@ -1434,6 +1434,7 @@ export interface Eslintrc {
    * @default 'auto'
    */
   enabled?: false | true | 'auto' | 8 | 9;
+
   /**
    * File path to save the generated eslint config.
    *
@@ -1442,6 +1443,16 @@ export interface Eslintrc {
    * - 8 and below: './.wxt/eslintrc-auto-import.json'
    */
   filePath?: string;
+
+  /**
+   * File path to the TypeScript definition file to use for auto-imported variables.
+   * Needs to match the definition file path for `filePath`
+   *
+   * Default:
+   * - 9 and above: './.wxt/types/wxt-auto-imports.d.mts'
+   */
+  definitionPath?: string;
+
   /**
    * @default true
    */