index.ts

import { expect } from 'vitest';
import type { OpenAPISpecObject } from 'openapi-validator';
import openapiValidator from 'openapi-validator';
import jestToSatisfyApiSpec from 'jest-openapi/dist/matchers/toSatisfyApiSpec.js';
import jestToSatisfySchemaInApiSpec from 'jest-openapi/dist/matchers/toSatisfySchemaInApiSpec.js';

interface CustomMatchers<R = unknown> {
	toSatisfyApiSpec(): R;
	toSatisfySchemaInApiSpec(schemaName: string): R;
}

declare module 'vitest' {
	// eslint-disable-next-line @typescript-eslint/no-explicit-any
	interface Assertion<T = any> extends CustomMatchers<T> {}
	interface AsymmetricMatchersContaining extends CustomMatchers {}
}

export default (filepathOrObject: string | OpenAPISpecObject): void => {
	const openApiSpec = openapiValidator.makeApiSpec(filepathOrObject);

	expect.extend({
		toSatisfyApiSpec: (received: unknown) => jestToSatisfyApiSpec.default(received, openApiSpec),
		toSatisfySchemaInApiSpec: (received: unknown, schemaName: string) =>
			jestToSatisfySchemaInApiSpec.default(received, schemaName, openApiSpec)
	});
};