initial commit

2026-04-10 14:37:33 +10:00
commit 5da4502205
6 changed files with 144 additions and 0 deletions
@@ -0,0 +1,67 @@
+class TemplateString:
+    """
+    Replaces {} placeholders in a template with input values, in order.
+
+    Template: "a {subject} on a {surface}, {lighting} lighting, {quality}"
+    input_1: "burger"
+    input_2: "wooden table"
+    input_3: "cinematic"
+    input_4: "8k"
+    Result:  "a burger on a wooden table, cinematic lighting, 8k"
+
+    Text inside {} is treated as a comment and ignored during substitution.
+    Unused placeholders are left as-is. Extra inputs are ignored.
+    """
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "template": ("STRING", {
+                    "default": "a {}, {}, {}",
+                    "multiline": True,
+                }),
+            },
+            "optional": {
+                "input_1": ("STRING", {"default": "", "forceInput": True}),
+                "input_2": ("STRING", {"default": "", "forceInput": True}),
+                "input_3": ("STRING", {"default": "", "forceInput": True}),
+                "input_4": ("STRING", {"default": "", "forceInput": True}),
+                "input_5": ("STRING", {"default": "", "forceInput": True}),
+                "input_6": ("STRING", {"default": "", "forceInput": True}),
+                "input_7": ("STRING", {"default": "", "forceInput": True}),
+                "input_8": ("STRING", {"default": "", "forceInput": True}),
+                "input_9": ("STRING", {"default": "", "forceInput": True}),
+                "input_10": ("STRING", {"default": "", "forceInput": True}),
+            },
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("text",)
+    FUNCTION = "render"
+    CATEGORY = "text"
+
+    def render(self, template, **kwargs):
+        values = []
+        for i in range(1, 11):
+            key = f"input_{i}"
+            if key in kwargs and kwargs[key] is not None:
+                values.append(kwargs[key])
+
+        # Replace {anything} placeholders one at a time, left to right
+        # Text inside braces is treated as a comment and discarded
+        import re
+        result = template
+        for val in values:
+            result = re.sub(r"\{[^}]*\}", val, result, count=1)
+
+        return (result,)
+
+
+NODE_CLASS_MAPPINGS = {
+    "TemplateString": TemplateString,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "TemplateString": "Template String",
+}