Lua: fix some subtle Lua-isms

2025-03-09 15:37:38 +01:00
parent 29c2781c11
commit 242ae73078
9 changed files with 737 additions and 34 deletions
@@ -195,6 +195,12 @@ export const stringApi = new LuaTable({
  }),
  sub: new LuaBuiltinFunction((_sf, s: string, i: number, j?: number) => {
    j = j ?? s.length;
+    if (i < 0) {
+      i = s.length + i + 1;
+    }
+    if (j < 0) {
+      j = s.length + j + 1;
+    }
    return s.slice(i - 1, j);
  }),
  split: new LuaBuiltinFunction((_sf, s: string, sep: string) => {