Add content classes to notes

main.ts

@@ -39,6 +39,8 @@ const DEFAULT_SETTINGS: DigitalGardenSettings = {
 	styleSettingsCss: '',
 	pathRewriteRules: '',
 
+	contentClassesKey: 'dg-content-classes',
+
 	defaultNoteSettings: {
 		dgHomeLink: true,
 		dgPassFrontmatter: false,

src/DigitalGardenSettings.ts

@@ -32,6 +32,7 @@ export default interface DigitalGardenSettings {
 
 	styleSettingsCss: string;
 	pathRewriteRules: string;
+	contentClassesKey: string;
 
 	defaultNoteSettings: {
 		dgHomeLink: boolean;

src/Publisher.ts

@@ -386,7 +386,8 @@ export default class Publisher {
 
         publishedFrontMatter = this.addPermalink(fileFrontMatter, publishedFrontMatter, file.path);
 		publishedFrontMatter = this.addDefaultPassThrough(fileFrontMatter, publishedFrontMatter);
-        publishedFrontMatter = this.addPageTags(fileFrontMatter, publishedFrontMatter);
+		publishedFrontMatter = this.addContentClasses(fileFrontMatter, publishedFrontMatter);
+		publishedFrontMatter = this.addPageTags(fileFrontMatter, publishedFrontMatter);
         publishedFrontMatter = this.addFrontMatterSettings(fileFrontMatter, publishedFrontMatter);
         publishedFrontMatter = this.addNoteIconFrontMatter(fileFrontMatter, publishedFrontMatter);
         publishedFrontMatter = this.addTimestampsFrontmatter(fileFrontMatter, publishedFrontMatter, file);
@@ -458,6 +459,25 @@ export default class Publisher {
         return publishedFrontMatter;
 	}
 
+	addContentClasses(baseFrontMatter: any, newFrontMatter: any) {
+		const publishedFrontMatter = { ...newFrontMatter };
+
+		if (baseFrontMatter) {
+			const contentClassesKey = this.settings.contentClassesKey;
+			if (contentClassesKey && baseFrontMatter[contentClassesKey]) {
+				if (typeof baseFrontMatter[contentClassesKey] == "string") {
+					publishedFrontMatter['contentClasses'] = baseFrontMatter[contentClassesKey];
+				} else if (Array.isArray(baseFrontMatter[contentClassesKey])) { 
+					publishedFrontMatter['contentClasses'] = baseFrontMatter[contentClassesKey].join(" ");
+				} else {
+					publishedFrontMatter['contentClasses'] = "";
+				}
+			}
+		}
+
+		return publishedFrontMatter;
+	}
+
 	addTimestampsFrontmatter(baseFrontMatter: any, newFrontMatter: any, file: TFile) {
 		if (!baseFrontMatter) {
             baseFrontMatter = {};

src/SettingView.ts

@@ -325,6 +325,17 @@ export default class SettingView {
                         this.settings.updatedTimestampKey = value;
                         await this.saveSettings();
                     })
+		);
+
+		new Setting(themeModal.contentEl)
+            .setName('Body Classes Key')
+            .setDesc('Key to get classes to add in the note body from the frontmatter.')
+            .addText(text =>
+                text.setValue(this.settings.contentClassesKey)
+                    .onChange(async (value) => {
+                        this.settings.contentClassesKey = value;
+                        await this.saveSettings();
+                    })
             );