Feat: add file path support for slug generation and enhance slug template placeholders #922

Author: estruyf

Diff for: CHANGELOG.md

@@ -2,14 +2,11 @@
 
 ## [10.8.0] - 2025-02-xx
 
-### ✨ New features
-
 ### 🎨 Enhancements
 
 - [#915](https://github.com/estruyf/vscode-front-matter/issues/915): Added a new setting `frontMatter.panel.openOnSupportedFile` which allows you to open the panel view on supported files
 - [#921](https://github.com/estruyf/vscode-front-matter/issues/921): Improve the filename sanitization
-
-### ⚡️ Optimizations
+- [#922](https://github.com/estruyf/vscode-front-matter/issues/922): Added `{{fileName}}` and `{{sluggedFileName}}` placeholders for the slug template setting
 
 ### 🐞 Fixes
 

Diff for: src/commands/Article.ts

@@ -172,7 +172,12 @@ export class Article {
   /**
    * Generate the new slug
    */
-  public static generateSlug(title: string, article?: ParsedFrontMatter, slugTemplate?: string) {
+  public static generateSlug(
+    title: string,
+    article?: ParsedFrontMatter,
+    filePath?: string,
+    slugTemplate?: string
+  ) {
     if (!title) {
       return;
     }
@@ -181,7 +186,7 @@ export class Article {
     const suffix = Settings.get(SETTING_SLUG_SUFFIX) as string;
 
     if (article?.data) {
-      const slug = SlugHelper.createSlug(title, article?.data, slugTemplate);
+      const slug = SlugHelper.createSlug(title, article?.data, filePath, slugTemplate);
 
       if (typeof slug === 'string') {
         return {
@@ -224,7 +229,12 @@ export class Article {
       articleDate
     );
 
-    const slugInfo = Article.generateSlug(articleTitle, article, contentType.slugTemplate);
+    const slugInfo = Article.generateSlug(
+      articleTitle,
+      article,
+      editor.document.uri.fsPath,
+      contentType.slugTemplate
+    );
 
     if (
       slugInfo &&
@@ -255,7 +265,8 @@ export class Article {
             article.data[pField.name] = processArticlePlaceholdersFromData(
               article.data[pField.name],
               article.data,
-              contentType
+              contentType,
+              editor.document.uri.fsPath
             );
             article.data[pField.name] = processTimePlaceholders(
               article.data[pField.name],
@@ -335,7 +346,7 @@ export class Article {
       } else {
         const article = ArticleHelper.getFrontMatter(editor);
         if (article?.data) {
-          return SlugHelper.createSlug(article.data[titleField], article.data, slugTemplate);
+          return SlugHelper.createSlug(article.data[titleField], article.data, file, slugTemplate);
         }
       }
     }

Diff for: src/helpers/ArticleHelper.ts

@@ -684,7 +684,7 @@ export class ArticleHelper {
       }
 
       if (fieldName === 'slug' && (fieldValue === null || fieldValue === '')) {
-        fmData[fieldName] = SlugHelper.createSlug(title, fmData, slugTemplate);
+        fmData[fieldName] = SlugHelper.createSlug(title, fmData, filePath, slugTemplate);
       }
 
       fmData[fieldName] = await processArticlePlaceholdersFromPath(fmData[fieldName], filePath);

Diff for: src/helpers/ContentType.ts

@@ -1063,7 +1063,8 @@ export class ContentType {
             data[field.name] = processArticlePlaceholdersFromData(
               field.default as string,
               data,
-              contentType
+              contentType,
+              filePath
             );
             data[field.name] = processTimePlaceholders(
               data[field.name],

Diff for: src/helpers/SlugHelper.ts

@@ -1,6 +1,7 @@
-import { Settings } from '.';
+import { parseWinPath, Settings } from '.';
 import { stopWords, charMap, SETTING_DATE_FORMAT, SETTING_SLUG_TEMPLATE } from '../constants';
 import { processTimePlaceholders, processFmPlaceholders } from '.';
+import { parse } from 'path';
 
 export class SlugHelper {
   /**
@@ -11,6 +12,7 @@ export class SlugHelper {
   public static createSlug(
     articleTitle: string,
     articleData: { [key: string]: any },
+    filePath?: string,
     slugTemplate?: string
   ): string | null {
     if (!articleTitle) {
@@ -28,6 +30,16 @@ export class SlugHelper {
       } else if (slugTemplate.includes('{{seoTitle}}')) {
         const regex = new RegExp('{{seoTitle}}', 'g');
         slugTemplate = slugTemplate.replace(regex, SlugHelper.slugify(articleTitle));
+      } else if (slugTemplate.includes(`{{fileName}}`)) {
+        const file = parse(filePath || '');
+        const fileName = file.name;
+        const regex = new RegExp('{{fileName}}', 'g');
+        slugTemplate = slugTemplate.replace(regex, fileName);
+      } else if (slugTemplate.includes(`{{sluggedFileName}}`)) {
+        const file = parse(filePath || '');
+        const fileName = SlugHelper.slugify(file.name);
+        const regex = new RegExp('{{sluggedFileName}}', 'g');
+        slugTemplate = slugTemplate.replace(regex, fileName);
       }
 
       const dateFormat = Settings.get(SETTING_DATE_FORMAT) as string;

Diff for: src/helpers/processArticlePlaceholders.ts

@@ -6,7 +6,8 @@ import { SlugHelper } from './SlugHelper';
 export const processArticlePlaceholdersFromData = (
   value: string,
   data: { [key: string]: any },
-  contentType: ContentType
+  contentType: ContentType,
+  filePath?: string
 ): string => {
   const titleField = getTitleField();
   if (value.includes('{{title}}') && data[titleField]) {
@@ -18,7 +19,7 @@ export const processArticlePlaceholdersFromData = (
     const regex = new RegExp('{{slug}}', 'g');
     value = value.replace(
       regex,
-      SlugHelper.createSlug(data[titleField] || '', data, contentType.slugTemplate) || ''
+      SlugHelper.createSlug(data[titleField] || '', data, filePath, contentType.slugTemplate) || ''
     );
   }
 
@@ -50,6 +51,7 @@ export const processArticlePlaceholdersFromPath = async (
         SlugHelper.createSlug(
           article.data[titleField] || '',
           article.data,
+          filePath,
           contentType.slugTemplate
         ) || ''
       );

Diff for: src/listeners/panel/DataListener.ts

@@ -794,7 +794,9 @@ export class DataListener extends BaseListener {
       const crntFile = window.activeTextEditor?.document;
       const dateFormat = Settings.get(SETTING_DATE_FORMAT) as string;
       value =
-        data && contentType ? processArticlePlaceholdersFromData(value, data, contentType) : value;
+        data && contentType
+          ? processArticlePlaceholdersFromData(value, data, contentType, crntFile?.uri.fsPath)
+          : value;
       value = processTimePlaceholders(value, dateFormat);
       value = processFmPlaceholders(value, data);