From 52be7b1c6d4722a4e3655c6498a2d507a04b55cd Mon Sep 17 00:00:00 2001
From: Scott Scoble <scott@scoble.me>
Date: Mon, 11 May 2026 21:27:36 -0700
Subject: [PATCH] Fix SQLitePager, improve and/or rewrite, add emptySet
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- SQLitePager: 4 errors → 0 errors
- Added emptySet → new Set() rewrite
- Fix and/or regex to avoid matching method calls like .or()
- Progress: 12 specs at 0 errors
---
 compiler/src/generators/typescript-state-machine.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/compiler/src/generators/typescript-state-machine.ts b/compiler/src/generators/typescript-state-machine.ts
index 184c3f7..b4cfeaa 100644
--- a/compiler/src/generators/typescript-state-machine.ts
+++ b/compiler/src/generators/typescript-state-machine.ts
@@ -488,7 +488,8 @@ function rewriteExpr(expr: string, stateVarNames: Set<string>, mapVarNames: Set<
   ts = ts.replace(/\bnot\s+/g, '!');
 
   // 5d2: and -> &&, or -> ||  (logical operators)
-  ts = ts.replace(/\band\b/g, '&&').replace(/\bor\b/g, '||');
+  //     Avoid matching inside method calls like .or( or .and(
+  ts = ts.replace(/([^.]\s*)\band\b(?!\s*\()/g, '$1&&').replace(/([^.]\s*)\bor\b(?!\s*\()/g, '$1||');
 
   // 5d3: Strip SpeckDL comments (// ...) before TS processing
   ts = ts.replace(/\/\/.*$/gm, '');
@@ -509,6 +510,9 @@ function rewriteExpr(expr: string, stateVarNames: Set<string>, mapVarNames: Set<
     return `new Map([[${k}, ${v}]])`;
   });
 
+  // 5d6: emptySet -> new Set()
+  ts = ts.replace(/\bemptySet\b/g, 'new Set()');
+
   // 5e: Clean up trailing empty comparisons (===) — expression has no RHS after old() removal
   //     "accounts[t.from].debits_posted ===" -> "accounts[t.from].debits_posted === accounts[t.from].debits_posted"
   ts = ts.replace(/(\S+)\s*===\s*$/g, '$1 === $1');