diff --git a/src/util/schemas/Validator.ts b/src/util/schemas/Validator.ts
new file mode 100644
index 00000000..b71bf6a1
--- /dev/null
+++ b/src/util/schemas/Validator.ts
@@ -0,0 +1,54 @@
+import Ajv from "ajv";
+import addFormats from "ajv-formats";
+import fs from "fs";
+import path from "path";
+
+const SchemaPath = path.join(__dirname, "..", "..", "..", "assets", "schemas.json");
+const schemas = JSON.parse(fs.readFileSync(SchemaPath, { encoding: "utf8" }));
+
+export const ajv = new Ajv({
+ allErrors: true,
+ parseDate: true,
+ allowDate: true,
+ schemas,
+ coerceTypes: true,
+ messages: true,
+ strict: true,
+ strictRequired: true
+});
+
+addFormats(ajv);
+
+export function validateSchema<G>(schema: string, data: G): G {
+ const valid = ajv.validate(schema, normalizeBody(data));
+ if (!valid) throw ajv.errors;
+ return data;
+}
+
+// Normalizer is introduced to workaround https://github.com/ajv-validator/ajv/issues/1287
+// this removes null values as ajv doesn't treat them as undefined
+// normalizeBody allows to handle circular structures without issues
+// taken from https://github.com/serverless/serverless/blob/master/lib/classes/ConfigSchemaHandler/index.js#L30 (MIT license)
+export const normalizeBody = (body: any = {}) => {
+ const normalizedObjectsSet = new WeakSet();
+ const normalizeObject = (object: any) => {
+ if (normalizedObjectsSet.has(object)) return;
+ normalizedObjectsSet.add(object);
+ if (Array.isArray(object)) {
+ for (const [index, value] of object.entries()) {
+ if (typeof value === "object") normalizeObject(value);
+ }
+ } else {
+ for (const [key, value] of Object.entries(object)) {
+ if (value == null) {
+ if (key === "icon" || key === "avatar" || key === "banner" || key === "splash" || key === "discovery_splash") continue;
+ delete object[key];
+ } else if (typeof value === "object") {
+ normalizeObject(value);
+ }
+ }
+ }
+ };
+ normalizeObject(body);
+ return body;
+};
\ No newline at end of file
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