Add zettel opening by base name matching

lua/zettelkasten/files.lua

@@ -76,10 +76,12 @@ function ls.get_zettel_by_anchor(anchor, all)
 end
 
 function ls.get_zettel_by_ref(ref, files)
+    local name_only_match
     for full_path, bname in pairs(files) do
-        if bname == ref then return full_path end
+        if full_path == ref then return full_path end
+        if bname == ref then name_only_match = full_path end
     end
-    return ""
+    return name_only_match
 end
 
 

lua/zettelkasten/files_spec.lua

@@ -171,12 +171,29 @@ describe("get_zettel_by_anchor", function()
 end)
 
 describe("get_zettel_by_ref", function()
-    it("should match a full file path for non-zettel files", function()
+
+    it("should return a full file path for file path linked", function()
+        local file_list = {
+            ["link/to/my/file.md"] = "file.md",
+            ["link/to/my/target-file.md"] = "target-file.md",
+        }
+        assert.same("link/to/my/target-file.md", ls.get_zettel_by_ref("link/to/my/target-file.md", file_list))
+    end)
+
+    it("should return path to matching base name if only that is linked", function()
         local file_list = {
             ["link/to/my/file.md"] = "file.md",
             ["link/to/my/target-file.md"] = "target-file.md",
         }
         assert.same("link/to/my/target-file.md", ls.get_zettel_by_ref("target-file.md", file_list))
-
     end)
+
+    it("should not return anything if no match exists", function()
+        local file_list = {
+            ["link/to/my/file.md"] = "file.md",
+            ["link/to/my/no-target-file.md"] = "no-target-file.md",
+        }
+        assert.same(nil, ls.get_zettel_by_ref("target-file.md", file_list))
+    end)
+
 end)