snapshot of https://github.com/mountain-loop/yaak.git (main, 2026-09-23; blobs > 131072B omitted)

packages/common-lib/templateFunction.ts

@@ -0,0 +1,49 @@
+import type {
+  CallTemplateFunctionArgs,
+  JsonPrimitive,
+  TemplateFunctionArg,
+} from "@yaakapp-internal/plugins";
+
+export function validateTemplateFunctionArgs(
+  fnName: string,
+  args: TemplateFunctionArg[],
+  values: CallTemplateFunctionArgs["values"],
+): string | null {
+  for (const arg of args) {
+    if ("inputs" in arg && arg.inputs) {
+      // Recurse down
+      const err = validateTemplateFunctionArgs(fnName, arg.inputs, values);
+      if (err) return err;
+    }
+    if (!("name" in arg)) continue;
+    if (arg.optional) continue;
+    if (arg.defaultValue != null) continue;
+    if (arg.hidden) continue;
+    if (values[arg.name] != null) continue;
+
+    return `Missing required argument "${arg.label || arg.name}" for template function ${fnName}()`;
+  }
+
+  return null;
+}
+
+/** Recursively apply form input defaults to a set of values */
+export function applyFormInputDefaults(
+  inputs: TemplateFunctionArg[],
+  values: { [p: string]: JsonPrimitive | undefined },
+) {
+  let newValues: { [p: string]: JsonPrimitive | undefined } = { ...values };
+  for (const input of inputs) {
+    if ("defaultValue" in input && values[input.name] === undefined) {
+      newValues[input.name] = input.defaultValue;
+    }
+    if (input.type === "checkbox" && values[input.name] === undefined) {
+      newValues[input.name] = false;
+    }
+    // Recurse down to all child inputs
+    if ("inputs" in input) {
+      newValues = applyFormInputDefaults(input.inputs ?? [], newValues);
+    }
+  }
+  return newValues;
+}