Code improvements

src/modules/sortList.js

@@ -0,0 +1,46 @@
+const sortList = (data, sortBy) => {
+    let sortedData = data;
+    if(sortBy === 'Date (Oldest first)') {
+      sortedData.reverse();
+    } else if(sortBy === 'Name (A-Z)') {
+      sortedData.sort(function(a, b){
+        const A = a.name.toLowerCase(), B = b.name.toLowerCase();
+        if (A < B)
+         return -1;
+        if (A > B)
+         return 1;
+        return 0;
+       });
+    } else if(sortBy === 'Name (Z-A)') {
+      sortedData.sort(function(a, b){
+        const A = a.name.toLowerCase(), B = b.name.toLowerCase();
+        if (A > B)
+         return -1;
+        if (A < B)
+         return 1;
+        return 0;
+       });
+    } else if(sortBy === 'Title (A-Z)') {
+      sortedData.sort(function(a, b){
+        const A = a.title.toLowerCase(), B = b.title.toLowerCase();
+        if (A < B)
+         return -1;
+        if (A > B)
+         return 1;
+        return 0;
+       });
+    } else if(sortBy === 'Title (Z-A)') {
+      sortedData.sort(function(a, b){
+        const A = a.title.toLowerCase(), B = b.title.toLowerCase();
+        if (A > B)
+         return -1;
+        if (A < B)
+         return 1;
+        return 0;
+       });
+    } 
+
+    return sortedData;
+}
+
+export default sortList;