feat: add options to include custom taxonomies and save taxonomy data in frontmatter

src/parser.js

@@ -224,6 +224,7 @@ function populateFrontmatter(posts) {
 		});
 
 		// inject custom taxonomy slugs into frontmatter, each taxonomy as its own field
+		if (shared.config.includeCustomTaxonomies) {
 			Object.entries(post.customTaxonomies).forEach(([domain, slugs]) => {
 				if (slugs.length > 0) {
 					if (Object.hasOwn(post.frontmatter, domain)) {
@@ -233,6 +234,7 @@ function populateFrontmatter(posts) {
 					post.frontmatter[domain] = slugs;
 				}
 			});
+		}
 	});
 }
 

src/questions.js

@@ -112,6 +112,40 @@ export function load() {
 			description: 'Frontmatter fields',
 			default: 'title,date,categories,tags,coverImage,draft'
 		},
+		{
+			name: 'include-custom-taxonomies',
+			type: 'boolean',
+			description: 'Include custom taxonomies in post frontmatter',
+			default: true,
+			choices: [
+				{
+					name: 'Yes',
+					value: true
+				},
+				{
+					name: 'No',
+					value: false
+				}
+			],
+			prompt: inquirer.select
+		},
+		{
+			name: 'save-taxonomy-data',
+			type: 'boolean',
+			description: 'Save taxonomy data to JSON files (categories, tags, and custom taxonomies if enabled)',
+			default: true,
+			choices: [
+				{
+					name: 'Yes',
+					value: true
+				},
+				{
+					name: 'No',
+					value: false
+				}
+			],
+			prompt: inquirer.select
+		},
 		{
 			name: 'request-delay',
 			type: 'integer',

src/writer.js

@@ -10,8 +10,10 @@ import * as shared from './shared.js';
 export async function writeFilesPromise(posts, taxonomies) {
 	await writeMarkdownFilesPromise(posts);
 	await writeImageFilesPromise(posts);
+	if (shared.config.saveTaxonomyData) {
 		await writeTaxonomyFilesPromise(taxonomies);
 	}
+}
 
 async function processPayloadsPromise(payloads, loadFunc) {
 	const promises = payloads.map((payload) => new Promise((resolve, reject) => {
@@ -193,7 +195,14 @@ function logSavingMessage(things, existingCount, remainingCount) {
 async function writeTaxonomyFilesPromise(taxonomies) {
 	shared.logHeading('Saving taxonomy data');
 
-	const entries = Object.entries(taxonomies);
+	const builtInTaxonomies = ['category', 'post_tag'];
+	const filteredTaxonomies = Object.fromEntries(
+		Object.entries(taxonomies).filter(([name]) =>
+			builtInTaxonomies.includes(name) || shared.config.includeCustomTaxonomies
+		)
+	);
+
+	const entries = Object.entries(filteredTaxonomies);
 	if (entries.length === 0) {
 		console.log('No taxonomy data to save.');
 		return;