Disable ReScript generation for SVM indexers

packages/cli/src/hbs_templating/snapshots/envio__hbs_templating__codegen_templates__test__indexer_code_generates_correct_types_and_values.snap

@@ -1,6 +1,6 @@
 ---
 source: packages/cli/src/hbs_templating/codegen_templates.rs
-expression: project_template.indexer_code
+expression: "project_template.indexer_code().expect(\"rescript indexer code\")"
 ---
 /**
  * This file is generated by HyperIndex codegen from config.yaml and schema.graphql.
@@ -182,12 +182,6 @@ type onEventOptions<'eventIdentity, 'where> = {
   where?: 'where,
 }
 
-/** Options for `indexer.onInstruction` (SVM). */
-type onInstructionOptions<'eventIdentity, 'where> = {
-  instruction: 'eventIdentity,
-  where?: 'where,
-}
-
 module Enums = {
   module Status = {
     type t =

packages/cli/src/hbs_templating/snapshots/envio__hbs_templating__codegen_templates__test__indexer_code_multiple_chains.snap

@@ -1,6 +1,6 @@
 ---
 source: packages/cli/src/hbs_templating/codegen_templates.rs
-expression: project_template.indexer_code
+expression: "project_template.indexer_code().expect(\"rescript indexer code\")"
 ---
 /**
  * This file is generated by HyperIndex codegen from config.yaml and schema.graphql.
@@ -182,12 +182,6 @@ type onEventOptions<'eventIdentity, 'where> = {
   where?: 'where,
 }
 
-/** Options for `indexer.onInstruction` (SVM). */
-type onInstructionOptions<'eventIdentity, 'where> = {
-  instruction: 'eventIdentity,
-  where?: 'where,
-}
-
 module Enums = {
 
 }

packages/cli/src/napi.rs

@@ -26,7 +26,8 @@ pub struct FromUserApiResult {
     /// `with_indexer_types` was requested.
     pub indexer_types: Option<String>,
     /// The generated `Indexer.res`, present only when `with_indexer_types` was
-    /// requested. Same production codegen output, from the same parse.
+    /// requested and the config isn't SVM (which has no ReScript surface).
+    /// Same production codegen output, from the same parse.
     pub indexer_code: Option<String>,
 }
 
@@ -80,7 +81,7 @@ pub fn from_user_api(
         })?;
         (
             Some(template.indexer_types_dts().to_string()),
-            Some(template.indexer_code().to_string()),
+            template.indexer_code().map(str::to_string),
         )
     } else {
         (None, None)

scenarios/cross_chain_test/src/Indexer.res

@@ -178,12 +178,6 @@ type onEventOptions<'eventIdentity, 'where> = {
   where?: 'where,
 }
 
-/** Options for `indexer.onInstruction` (SVM). */
-type onInstructionOptions<'eventIdentity, 'where> = {
-  instruction: 'eventIdentity,
-  where?: 'where,
-}
-
 module Enums = {
 
 }