客户端显示格式化的字符串

nodes/string_formatter.py

@@ -47,6 +47,7 @@ class StringFormatter:
             
             # Format string using f-string style with the arguments dictionary
             result = eval(f"f'''{template}'''", args_dict)
-            return (result,)
+            return {"ui": {"formatted_string": (result,)}, "result": (result,)}
         except Exception as e:
-            return (f"Format Error: {str(e)}",) 
+            error_msg = f"Format Error: {str(e)}"
+            return {"ui": {"formatted_string": (error_msg,)}, "result": (error_msg,)}

web/js/showFormattedString.js

@@ -0,0 +1,31 @@
+import { app } from "../../../scripts/app.js";
+import { ComfyWidgets } from "../../../scripts/widgets.js";
+
+app.registerExtension({
+    name: "ComfyUI-String-Helper.StringFormatter",
+    async beforeRegisterNodeDef(nodeType, nodeData, app) {
+        if (nodeData.name === "StringFormatter") {
+            const onExecuted = nodeType.prototype.onExecuted;
+			nodeType.prototype.onExecuted = function (message) {
+				onExecuted?.apply(this, arguments);
+
+				if (this.widgets) {
+					const pos = this.widgets.findIndex((w) => w.name === "formatted_text");
+					if (pos !== -1) {
+						for (let i = pos; i < this.widgets.length; i++) {
+							this.widgets[i].onRemove?.();
+						}
+						this.widgets.length = pos;
+					}
+				}
+
+				const widget = ComfyWidgets["STRING"](this, "formatted_text", ["STRING", { multiline: true }], app).widget;
+				widget.inputEl.readOnly = true;
+				widget.inputEl.style.opacity = 0.6;
+				widget.value = message.formatted_string?.[0] ?? "";
+
+				this.onResize?.(this.size);
+			};
+        }
+    }
+});