--- /dev/null
+'use strict';
+
+module.exports = {
+ metaSchemaRef: metaSchemaRef
+};
+
+var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
+
+function metaSchemaRef(ajv) {
+ var defaultMeta = ajv._opts.defaultMeta;
+ if (typeof defaultMeta == 'string') return { $ref: defaultMeta };
+ if (ajv.getSchema(META_SCHEMA_ID)) return { $ref: META_SCHEMA_ID };
+ console.warn('meta schema not defined');
+ return {};
+}