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/**
 * @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's API
	ajv._opts.defaultMeta = metaSchema.id;

	return ajv;
};