fix: 🐛 language specific options not being set

✅ Closes: #231

Author: kaisermann

Diff for: .github/workflows/ci.yml

@@ -11,7 +11,6 @@ jobs:
       - run: 'npm i && npm run lint'
 
   Tests:
-    needs: [Lint]
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:

Diff for: src/autoProcess.ts

@@ -13,6 +13,7 @@ import {
   addLanguageAlias,
   getLanguageFromAlias,
   SOURCE_MAP_PROP_MAP,
+  LANG_SPECIFIC_OPTIONS,
 } from './modules/language';
 import { prepareContent } from './modules/prepareContent';
 import { transformMarkup } from './modules/markup';
@@ -54,22 +55,6 @@ type AutoPreprocessOptions = {
   [languageName: string]: TransformerOptions;
 };
 
-const LANG_SPECIFIC_OPTIONS: Record<string, any> = {
-  sass: {
-    indentedSyntax: true,
-    stripIndent: true,
-  },
-  pug: {
-    stripIndent: true,
-  },
-  coffeescript: {
-    stripIndent: true,
-  },
-  stylus: {
-    stripIndent: true,
-  },
-};
-
 export const runTransformer = async (
   name: string,
   options: TransformerOptions,
@@ -133,12 +118,10 @@ export function sveltePreprocess(
       Object.assign(opts, nameOpts);
     }
 
-    if (name !== alias) {
-      Object.assign(opts, LANG_SPECIFIC_OPTIONS[alias] || null);
+    Object.assign(opts, LANG_SPECIFIC_OPTIONS[alias]);
 
-      if (typeof aliasOpts === 'object') {
-        Object.assign(opts, aliasOpts);
-      }
+    if (name !== alias && typeof aliasOpts === 'object') {
+      Object.assign(opts, aliasOpts);
     }
 
     if (sourceMap && name in SOURCE_MAP_PROP_MAP) {

Diff for: src/modules/language.ts

@@ -2,6 +2,22 @@ import { basename } from 'path';
 
 import { PreprocessorArgs } from '../types';
 
+export const LANG_SPECIFIC_OPTIONS: Record<string, any> = {
+  sass: {
+    indentedSyntax: true,
+    stripIndent: true,
+  },
+  pug: {
+    stripIndent: true,
+  },
+  coffeescript: {
+    stripIndent: true,
+  },
+  stylus: {
+    stripIndent: true,
+  },
+};
+
 export const SOURCE_MAP_PROP_MAP: Record<string, [string, any]> = {
   babel: ['sourceMaps', true],
   typescript: ['sourceMap', true],

Diff for: test/autoProcess/sourceMaps.test.ts

@@ -89,7 +89,9 @@ describe(`sourcemap generation`, () => {
         await preprocess(template, opts);
 
         expect(transformer).toHaveBeenCalledWith(
-          expect.objectContaining({ options: { [key]: val } }),
+          expect.objectContaining({
+            options: expect.objectContaining({ [key]: val }),
+          }),
         );
       });
     },

Diff for: test/transformers/pug.test.ts

@@ -4,6 +4,17 @@ import sveltePreprocess from '../../src';
 import { preprocess } from '../utils';
 
 describe('transformer - pug', () => {
+  it('should de-indent if necessary', async () => {
+    const template = `<template lang="pug">
+  main
+    header
+      h1</template>`;
+
+    const opts = sveltePreprocess();
+    const preprocessed = await preprocess(template, opts);
+
+    expect(preprocessed.code).toBe('<main><header><h1></h1></header></main>');
+  });
   it('should correctly prepend mixins with space TABS', async () => {
     const template = `<template lang="pug">
 main