Add JSON field parser with flexible type transformation

assets/stubs/index.ts

@@ -33,6 +33,41 @@ export const RecordModel = z.object({
 });
 export type RecordModel = z.infer<typeof RecordModel>;
 
+/******* JSON FIELD *******/
+export const pbJsonField = (maxSizeInBytes: number = 1048576) => {
+  const literalSchema = z.union([z.string(), z.number(), z.boolean(), z.null()]);
+  const jsonSchema: z.ZodType<any> = z.lazy(() =>
+    z.union([literalSchema, z.array(jsonSchema), z.record(jsonSchema)])
+  );
+
+  const stringTransform = z.string()
+    .max(maxSizeInBytes, `JSON field cannot exceed ${maxSizeInBytes} bytes`)
+    .transform((val) => {
+      if (val === "true") return true;
+      if (val === "false") return false;
+      if (val === "null") return null;
+
+      if ((val.startsWith('[') && val.endsWith(']'))||(val.startsWith('{') && val.endsWith('}')))
+        try {
+          return JSON.parse(val);
+        } catch {
+          return val;
+        }
+
+      const num = Number(val);
+      if (!isNaN(num) && isFinite(num) && val.trim() !== '')
+        return num;
+
+      if (val.startsWith('"') && val.endsWith('"'))
+        return val.slice(1, -1);
+
+      return val;
+    });
+
+  return z.union([jsonSchema, stringTransform]);
+};
+
+
 /******* RECORDS *******/
 @@_RECORDS_@@
 

src/content.ts

@@ -69,18 +69,26 @@ export function stringifyContent(collections: CollectionModel[], opts: GenerateO
         break;
 
       case "file":
-        // if (collectionName === "tests") console.log(`${collectionName}:`, field);
-        const maxSelectFile = field.maxSelect;
         // TODO: implement maxSize, mimeTypes, protected, thumbs
-        schema = `z.string()${maxSelectFile === 1 ? "" : `.array()${maxSelectFile ? `.max(${maxSelectFile})` : ""}`}`;
+        // NOTE: PocketBase API returns only filenames in responses, limiting validation capabilities.
+        // Full file validation (size, MIME types, etc.) should be implemented at the create record endpoint.
+        // const mimeTypesArray: string[] = field.mimeTypes || [];
+        // const protectedFile: boolean = field.protected;
+        // const thumbsFileArray: string[] = field.thumbs || [];
+        // const maxSizeFile: number = field.maxSize;
+        const maxSelectFile: number = field.maxSelect;
+        const fileFieldMaxSelect = maxSelectFile ? `.max(${maxSelectFile})` : "";
+        const fileFieldTypeArray = maxSelectFile === 1 ? "" : `.array()${fileFieldMaxSelect}`;
+
+        schema = `z.string()${fileFieldTypeArray}`;
         break;
 
       case "json":
-        // TODO: implement maxSize and json schema
-        schema = "z.any()";
+        schema = field.maxSize > 0 ? `pbJsonField(${field.maxSize})` : "pbJsonField()";
         break;
 
       case "number":
+        // if (collectionName === "testFiles") console.log(`${collectionName}:`, field);
         const maxNumber = field.maxNumber;
         const minNumber = field.minNumber;
         const noDecimal = field.noDecimal;
@@ -119,7 +127,7 @@ export function stringifyContent(collections: CollectionModel[], opts: GenerateO
         break;
 
       case "geoPoint":
-        schema = "z.object({ lat: z.number().min(-90).max(90), lng: z.number().min(-180).max(180) })";
+        schema = "z.object({ lat: z.number().min(-90).max(90), lon: z.number().min(-180).max(180) })";
         break;
 
       default:
@@ -136,7 +144,7 @@ export function stringifyContent(collections: CollectionModel[], opts: GenerateO
     if (!domains?.length) return "";
     const domainsList = domains.map((domain) => `"${domain}"`).join(", ");
     const messageType = isWhitelist ? "isn't one of the allowed ones" : "is one of the disallowed ones";
-    return `.refine((email) => { const domain = email.split("@")[1]; return domain && ${isWhitelist ? "" : "!"}[${domainsList}].includes(domain); }, { message: "Invalid email, email domain ${messageType}" })`;
+    return `.refine((email) => { const domain = email.split("@")[1]; const domainsArray = [${domainsList}]; return domain && ${isWhitelist ? "" : "!"}domainsArray.includes(domain); }, { message: "Invalid email, email domain ${messageType}" })`;
   };
 
   return {