generify slugify method

.eleventy.js

@@ -12,18 +12,7 @@ module.exports = function (eleventyConfig) {
   eleventyConfig.addPassthroughCopy("./src/_assets/js");
 
   eleventyConfig.addShortcode("albumtile", function (title, embedLink, coverImage) {
-    // hugely overcomplicated universal slug method
+    var slug = slugify(title);
-    var slug = title
-      .toLowerCase()
-      .trim()
-      // remove accents
-      .normalize('NFD')
-      .replace(/[\u0300-\u036f]/g, '')
-      // replace invalid characters with spaces
-      .replace(/[^a-z0-9\s-]/g, ' ')
-      .trim()
-      // replace multiple spaces or hyphens with a hyphen
-      .replace(/[\s-]+/g, '-');
     
     return `<div>
     <a class="hide" href="${embedLink}" target="${slug}">
@@ -43,17 +32,7 @@ module.exports = function (eleventyConfig) {
     var linkString = "";
     var videoString = "";
     
-    var slug = title
+    var slug = slugify(title);
-      .toLowerCase()
-      .trim()
-      // remove accents
-      .normalize('NFD')
-      .replace(/[\u0300-\u036f]/g, '')
-      // replace invalid characters with spaces
-      .replace(/[^a-z0-9\s-]/g, ' ')
-      .trim()
-      // replace multiple spaces or hyphens with a hyphen
-      .replace(/[\s-]+/g, '-');
 
     if (Array.isArray(link)) {
       if (typeof link[0] === 'string') {
@@ -172,3 +151,17 @@ module.exports = function (eleventyConfig) {
     },
   };
 };
+  
+var slugify = function (preSlug) {
+  return preSlug
+  .toLowerCase()
+  .trim()
+  // remove accents
+  .normalize('NFD')
+  .replace(/[\u0300-\u036f]/g, '')
+  // replace invalid characters with spaces
+  .replace(/[^a-z0-9\s-]/g, ' ')
+  .trim()
+  // replace multiple spaces or hyphens with a hyphen
+  .replace(/[\s-]+/g, '-');
+}