improve whitespaces and formatting in js

Author: ChiragAgg5k

templates/cli/lib/type-generation/languages/javascript.js.twig

@@ -62,14 +62,13 @@ class JavaScript extends LanguageMeta {
   }
 
   getTemplate() {
-    return `
-// This file is auto-generated by the Appwrite CLI. 
-// You can regenerate it by running \`appwrite types -l <%- strict ? '--strict ' : '' %>js <%- path %>\`.
-
-/**
+    return `/**
  * @typedef {import('${this._getAppwriteDependency()}').Models.Document} Document
  */
 
+// This file is auto-generated by the Appwrite CLI. 
+// You can regenerate it by running \`appwrite types -l <%- strict ? '--strict ' : '' %>js <%- path %>\`.
+
 <% for (const collection of collections) { -%>
 <% for (const attribute of collection.attributes) { -%>
 <% if (attribute.format === 'enum') { -%>
@@ -80,14 +79,15 @@ class JavaScript extends LanguageMeta {
 <% } -%>
 <% } -%>
 <% } -%>
-<% for (const collection of collections) { %>/**
+<% for (const [index, collection] of Object.entries(collections)) { %>/**
  * @typedef {Document & {
 <% for (const attribute of collection.attributes) { -%>
  *   <%- strict ? toCamelCase(attribute.key) : attribute.key %>: <%- getType(attribute, collections) %>;
 <% } -%>
  * }} <%- toPascalCase(collection.name) %>
  */
-
+<% if (index < collections.length - 1) { %>
+<% } -%>
 <% } %>`;
   }