#14 added custom method to create data dirs

cellxgene_gateway/static/js/annotation.js

@@ -0,0 +1,21 @@
+// neandertal javascript
+const new_annotation_callback = (() =>{
+    const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+    const pickn = (c, n) => n==0?'':c.substr(Math.random()*c.length,1) + pickn(c,n-1);
+    const suffix = `_${pickn(chars,8)}.csv`;
+    return (e) => {
+        e.preventDefault();
+        const el = $(e.target);
+        const href = el.attr('href');
+        const base = prompt(`Name your annotations collection\nnote: the suffix "${suffix}" will be appended`);
+        if (base !== null && base.length > 0) {
+            if (/^[0-9a-zA-Z_]+$/.test(base)) {
+                window.location = `${href}/${base}${suffix}`;
+            } else {
+                alert("Error: name must match ^[0-9a-zA-Z_]+$\nthat is, only numbers, letters and underscore are allowed")
+            }
+        }
+        return false;
+    }
+})()
+