--- /dev/null
+/**
+ * @fileoverview The instance of Ajv validator.
+ * @author Evgeny Poberezkin
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Ajv = require("ajv"),
+ metaSchema = require("ajv/lib/refs/json-schema-draft-04.json");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = (additionalOptions = {}) => {
+ const ajv = new Ajv({
+ meta: false,
+ useDefaults: true,
+ validateSchema: false,
+ missingRefs: "ignore",
+ verbose: true,
+ schemaId: "auto",
+ ...additionalOptions
+ });
+
+ ajv.addMetaSchema(metaSchema);
+ // eslint-disable-next-line no-underscore-dangle
+ ajv._opts.defaultMeta = metaSchema.id;
+
+ return ajv;
+};