1 files changed, 12 insertions, 29 deletions

diff --git a/src/fields/Doc.ts b/src/fields/Doc.ts
index 3a5ba4f75..662792ff0 100644
--- a/src/fields/Doc.ts
+++ b/src/fields/Doc.ts
@@ -906,57 +906,40 @@ export namespace Doc {
             saveAs(content, doc.title + '.zip'); // glr: Possibly change the name of the document to match the title?
         });
     }
-    //
-    // Determines whether the layout needs to be expanded (as a template).
-    // template expansion is rquired when the layout is a template doc/field and there's a datadoc which isn't equal to the layout template
-    //
-    export function WillExpandTemplateLayout(layoutDoc: Doc, dataDoc?: Doc) {
-        return (layoutDoc.isTemplateForField || layoutDoc.isTemplateDoc) && dataDoc && layoutDoc !== dataDoc;
-    }
 
     const _pendingMap: Map<string, boolean> = new Map();
     //
     // Returns an expanded template layout for a target data document if there is a template relationship
     // between the two. If so, the layoutDoc is expanded into a new document that inherits the properties
     // of the original layout while allowing for individual layout properties to be overridden in the expanded layout.
-    // templateArgs should be equivalent to the layout key that generates the template since that's where the template parameters are stored in ()'s at the end of the key.
-    // NOTE:  the template will have references to "@params" -- the template arguments will be assigned to the '@params' field
-    // so that when the @params key is accessed, it will be rewritten as the key that is stored in the 'params' field and
-    // the derefence will then occur on the rootDocument (the original document).
-    // in the future, field references could be written as @<someparam> and then arguments would be passed in the layout key as:
-    //   layout_mytemplate(somparam=somearg).
-    // then any references to @someparam would be rewritten as accesses to 'somearg' on the rootDocument
-    export function expandTemplateLayout(templateLayoutDoc: Doc, targetDoc?: Doc, templateArgs?: string) {
-        const args = templateArgs?.match(/\(([a-zA-Z0-9._\-]*)\)/)?.[1].replace('()', '') || '';
-        if ((!args && !WillExpandTemplateLayout(templateLayoutDoc, targetDoc)) || !targetDoc) return templateLayoutDoc;
-
-        const templateField = StrCast(templateLayoutDoc.isTemplateForField); // the field that the template renders
+    export function expandTemplateLayout(templateLayoutDoc: Doc, targetDoc?: Doc) {
+        // nothing to do if the layout isn't a template or we don't have a target that's different than the template
+        if (!targetDoc || templateLayoutDoc === targetDoc || (!templateLayoutDoc.isTemplateForField && !templateLayoutDoc.isTemplateDoc)) {
+            return templateLayoutDoc;
+        }
+
+        const templateField = StrCast(templateLayoutDoc.isTemplateForField, Doc.LayoutFieldKey(templateLayoutDoc)); // the field that the template renders
         // First it checks if an expanded layout already exists -- if so it will be stored on the dataDoc
         // using the template layout doc's id as the field key.
         // If it doesn't find the expanded layout, then it makes a delegate of the template layout and
         // saves it on the data doc indexed by the template layout's id.
         //
-        const params = args.split('=').length > 1 ? args.split('=')[0] : '';
-        const layoutFielddKey = Doc.LayoutFieldKey(templateLayoutDoc);
-        const expandedLayoutFieldKey = (templateField || layoutFielddKey) + '-layout[' + templateLayoutDoc[Id] + (args ? `(${args})` : '') + ']';
+        const expandedLayoutFieldKey = templateField + '-layout[' + templateLayoutDoc[Id] + ']';
         let expandedTemplateLayout = targetDoc?.[expandedLayoutFieldKey];
 
         if (templateLayoutDoc.resolvedDataDoc instanceof Promise) {
             expandedTemplateLayout = undefined;
             _pendingMap.set(targetDoc[Id] + expandedLayoutFieldKey, true);
-        } else if (expandedTemplateLayout === undefined && !_pendingMap.get(targetDoc[Id] + expandedLayoutFieldKey + args)) {
+        } else if (expandedTemplateLayout === undefined && !_pendingMap.get(targetDoc[Id] + expandedLayoutFieldKey)) {
             if (templateLayoutDoc.resolvedDataDoc === (targetDoc.rootDocument || Doc.GetProto(targetDoc))) {
                 expandedTemplateLayout = templateLayoutDoc; // reuse an existing template layout if its for the same document with the same params
             } else {
                 templateLayoutDoc.resolvedDataDoc && (templateLayoutDoc = Cast(templateLayoutDoc.proto, Doc, null) || templateLayoutDoc); // if the template has already been applied (ie, a nested template), then use the template's prototype
                 if (!targetDoc[expandedLayoutFieldKey]) {
-                    _pendingMap.set(targetDoc[Id] + expandedLayoutFieldKey + args, true);
+                    _pendingMap.set(targetDoc[Id] + expandedLayoutFieldKey, true);
                     setTimeout(
                         action(() => {
                             const newLayoutDoc = Doc.MakeDelegate(templateLayoutDoc, undefined, '[' + templateLayoutDoc.title + ']');
-                            // the template's arguments are stored in params which is derefenced to find
-                            // the actual field key where the parameterized template data is stored.
-                            newLayoutDoc[params] = args !== '...' ? args : ''; // ... signifies the layout has sub template(s) -- so we have to expand the layout for them so that they can get the correct 'rootDocument' field, but we don't need to reassign their params.  it would be better if the 'rootDocument' field could be passed dynamically to avoid have to create instances
                             newLayoutDoc.rootDocument = targetDoc;
                             const dataDoc = Doc.GetProto(targetDoc);
                             newLayoutDoc.resolvedDataDoc = dataDoc;
@@ -965,7 +948,7 @@ export namespace Doc {
                             }
                             targetDoc[expandedLayoutFieldKey] = newLayoutDoc;
 
-                            _pendingMap.delete(targetDoc[Id] + expandedLayoutFieldKey + args);
+                            _pendingMap.delete(targetDoc[Id] + expandedLayoutFieldKey);
                         })
                     );
                 }
@@ -982,7 +965,7 @@ export namespace Doc {
             return { layout: childDoc, data: childDoc };
         }
         const resolvedDataDoc = Doc.AreProtosEqual(containerDataDoc, containerDoc) || (!childDoc.isTemplateDoc && !childDoc.isTemplateForField) ? undefined : containerDataDoc;
-        return { layout: Doc.expandTemplateLayout(childDoc, resolvedDataDoc, '()'), data: resolvedDataDoc };
+        return { layout: Doc.expandTemplateLayout(childDoc, resolvedDataDoc), data: resolvedDataDoc };
     }
 
     export function Overwrite(doc: Doc, overwrite: Doc, copyProto: boolean = false): Doc {