site: API docs, transform section titles with the same processor used for content headers

site/src/routes/docs/_sections.js

@@ -48,6 +48,8 @@ export default function() {
 
 			const { content, metadata } = extract_frontmatter(markdown);
 
+			const sectionSlug = makeSlug(metadata.title);
+
 			const subsections = [];
 
 			const renderer = new marked.Renderer();
@@ -142,7 +144,7 @@ export default function() {
 				html: html.replace(/@@(\d+)/g, (m, id) => hashes[id] || m),
 				metadata,
 				subsections,
-				slug: file.replace(/^\d+-/, '').replace(/\.md$/, ''),
+				slug: sectionSlug,
 				file,
 			};
 		});

site/src/utils/slug.js

@@ -17,13 +17,6 @@ const unicodeRegex = /\p{Letter}/u;
 const isNonAlphaNumUnicode =
 	string => !alphaNumRegex.test(string) && unicodeRegex.test(string);
 
-const nonUnicodeSanitizer = string =>
-	string
-		.toLowerCase()
-		.replace(/[^a-zA-Z0-9]+/g, '-')
-		.replace(/^-/, '')
-		.replace(/-$/, '');
-
 export const unicodeSafeProcessor = string =>
 	string.split('')
 	.reduce((accum, char, index, array) => {
@@ -48,7 +41,6 @@ export const unicodeSafeProcessor = string =>
 	.reduce((accum, chunk) => {
 		const processed = chunk.type === 'process'
 			? limaxProcessor(chunk.string)
-			// ? nonUnicodeSanitizer(chunk.string)
 			: chunk.string;
 
 		processed.length > 0 && accum.push(processed);