Merge pull request #201 from zereight/feat/199-1

FIX: flexible boolean

Author: iwakitakuma33

customSchemas.ts

@@ -15,11 +15,17 @@ const logger = pino({
   },
 });
 
-export const flexibleBoolean = z.preprocess((val) => {
-    if (typeof val === 'string') {
-        return val.toLowerCase()  === 'true';
-    }
+export const flexibleBoolean = z.preprocess(val => {
+  if (typeof val === "boolean") {
     return val;
+  }
+  let result = "false";
+  try {
+    result = String(val).toLowerCase();
+  } catch {
+    return false;
+  }
+  return ["true", "t", "1"].includes(result);
 }, z.boolean());
 
 export const flexibleBooleanNullable = DEFAULT_NULL ? flexibleBoolean.nullable().default(null) : flexibleBoolean.nullable();