Prevent infinite recursion in response tag

Closes yaakapp/app#90

plugins/template-function-response/src/index.ts

@@ -39,7 +39,6 @@ export const plugin: Plugin = {
       if (httpRequest == null) {
         return null;
       }
-      const renderedHttpRequest = await ctx.httpRequest.render({ httpRequest, purpose: args.purpose });
 
       const responses = await ctx.httpResponse.find({ requestId: httpRequest.id, limit: 1 });
 
@@ -57,6 +56,8 @@ export const plugin: Plugin = {
 
       // Send if no responses and "smart," or "always"
       if ((behavior === 'smart' && response == null) || behavior === 'always') {
+        // NOTE: Render inside this conditional, or we'll get infinite recursion (render->render->...)
+        const renderedHttpRequest = await ctx.httpRequest.render({ httpRequest, purpose: args.purpose });
         response = await ctx.httpRequest.send({ httpRequest: renderedHttpRequest });
       }