fix(stylus): respect local node_modules

src/loaders/stylus.ts

@@ -13,9 +13,12 @@ const loader: Loader<StylusLoaderOptions> = {
     if (!stylus)
       throw new Error("You need to install `stylus` package in order to process Stylus files");
 
+    const basePath = normalizePath(path.dirname(this.id));
+
     const style = stylus(code, { ...this.options })
       .set("filename", this.id)
-      .set("sourcemap", { comment: false, basePath: path.dirname(this.id) });
+      .set("paths", [`${basePath}/node_modules`, basePath].concat(this.options.paths ?? []))
+      .set("sourcemap", { comment: false, basePath });
 
     const render = async (): Promise<string> =>
       new Promise((resolve, reject) => {

src/types.ts

@@ -69,15 +69,9 @@ export type PostCSSLoaderOptions = {
 
 /** Options for Sass Loader */
 export type SASSLoaderOptions = {
-  /**
-   * Sass importer, or array of such
-   * @default undefined
-   */
+  /** Sass importer, or array of such */
   importer?: SASSImporter | SASSImporter[];
-  /**
-   * Data to prepend to every Sass file
-   * @default undefined
-   */
+  /** Data to prepend to every Sass file */
   data?: string;
   /** Force Sass implementation */
   impl?: "node-sass" | "sass";
@@ -89,16 +83,15 @@ export type SASSLoaderOptions = {
 
 /** Options for Stylus loader */
 export type StylusLoaderOptions = {
+  /** Array of paths for Stylus */
+  paths?: string[];
   /** Any options for `stylus` processor */
   [option: string]: unknown;
 };
 
 /** Options for Less Loader */
 export type LESSLoaderOptions = {
-  /**
-   * Array of Less plugins
-   * @default undefined
-   */
+  /** Array of Less plugins */
   plugins?: LESSPlugin[];
   /** Any options for `less` processor */
   [option: string]: unknown;