thumb list resolve

src/index.svelte

@@ -12,17 +12,49 @@
       files: 'filelist.txt'
   };
 
-	onMount(async () => {
-		file_list = await fetch(url.root + url.files)
+  const fetch_things = async (first_number) => {
+      const file = fetch(url.root + url.files)
+	    .then(resp => resp.text())
+	    .then(data => data.split('\n'));
+      const thumb = fetch(url.root + url.thumb + url.files)
 	    .then(resp => resp.text())
 	    .then(data => data.split('\n'));
+      const out = await Promise.all([file, thumb]);
+
+      // If we only want to get first N
+      if(first_number) {
+	  (out[0].length > first_number && (out[0].length = first_number));
+	  (out[1].length > first_number && (out[0].length = first_number));
+      }
+      
+      return {file: out[0], thumb: out[1]};
+  }
   
+  onMount(async () => {
+      const file_lists = await fetch_things(10);
+
+      const thumbs_resolved = {};
+
+      for(const thumb of file_lists.thumb)
+      {
+	  thumbs_resolved[thumb] = true;
+      }
+
+      file_list = [];
+
+      console.log("uhh");
       // Loop backwards efficiently.
-		for (let i = file_list.length - 2; i >= 0; i--) {
-			const file = file_list[i];
+      for (let i = 1; i < file_lists.file.length; i++) {
+	  const file = file_lists.file[i];
+	  
+	  if (/^\s*$/.test(file)) continue;
 
 	  // Thumbs are only ever .jpg
-			thumb_list.push(file.substr(0, file.lastIndexOf('.')) + '.jpg');
+	  const thumb_name = file.substr(0, file.lastIndexOf('.')) + '.jpg';
+	  if (thumbs_resolved[thumb_name]) {
+	      thumb_list.push(thumb_name);
+	      file_list.push(file);
+	  }
       }
   });