initial commit

packages/db/shared/helpers/json-helpers.ts

@@ -0,0 +1,28 @@
+import * as z from 'zod';
+
+export type JsonPrimitive = string | number | boolean | null;
+export type JsonValue = JsonPrimitive | JsonValue[] | { [k: string]: JsonValue };
+export type InputJsonValue = JsonPrimitive | InputJsonValue[] | { [k: string]: InputJsonValue | null };
+export type NullableJsonInput = JsonValue | 'JsonNull' | 'DbNull' | null;
+export const transformJsonNull = (v?: NullableJsonInput) => {
+  if (v == null || v === 'DbNull') return null;
+  if (v === 'JsonNull') return null;
+  return v as JsonValue;
+};
+export const JsonValueSchema: z.ZodType<JsonValue> = z.lazy(() =>
+  z.union([
+    z.string(), z.number(), z.boolean(), z.literal(null),
+    z.record(z.string(), z.lazy(() => JsonValueSchema.optional())),
+    z.array(z.lazy(() => JsonValueSchema)),
+  ])
+) as z.ZodType<JsonValue>;
+export const InputJsonValueSchema: z.ZodType<InputJsonValue> = z.lazy(() =>
+  z.union([
+    z.string(), z.number(), z.boolean(),
+    z.record(z.string(), z.lazy(() => z.union([InputJsonValueSchema, z.literal(null)]))),
+    z.array(z.lazy(() => z.union([InputJsonValueSchema, z.literal(null)]))),
+  ])
+) as z.ZodType<InputJsonValue>;
+export const NullableJsonValue = z
+  .union([JsonValueSchema, z.literal('DbNull'), z.literal('JsonNull'), z.literal(null)])
+  .transform((v) => transformJsonNull(v as NullableJsonInput));