we're actually calling openai

src/server/utils/fillTemplate.ts

@@ -0,0 +1,27 @@
+export type JSONSerializable =
+  | string
+  | number
+  | boolean
+  | null
+  | JSONSerializable[]
+  | { [key: string]: JSONSerializable };
+
+export type VariableMap = Record<string, string>;
+
+export default function fillTemplate<T extends JSONSerializable>(
+  template: T,
+  variables: VariableMap
+): T {
+  if (typeof template === "string") {
+    return template.replace(/{{\s*(\w+)\s*}}/g, (_, key: string) => variables[key] || "") as T;
+  } else if (Array.isArray(template)) {
+    return template.map((item) => fillTemplate(item, variables)) as T;
+  } else if (typeof template === "object" && template !== null) {
+    return Object.keys(template).reduce((acc, key) => {
+      acc[key] = fillTemplate(template[key] as JSONSerializable, variables);
+      return acc;
+    }, {} as { [key: string]: JSONSerializable } & T);
+  } else {
+    return template;
+  }
+}