wikimedia/mediawiki-extensions-Wikibase

import TechnicalProblem from '@/data-access/error/TechnicalProblem';
import {
    ApiQueryInfoTestResponsePage,
    ApiQueryResponseBody,
    ApiQueryResponsePage,
    ApiQueryRestrictionsResponseBody,
} from '@/definitions/data-access/ApiQuery';

export function getApiQueryResponsePage( response: ApiQueryResponseBody, title: string ): ApiQueryResponsePage|null {
    for ( const normalized of ( response.normalized || [] ) ) {
        if ( normalized.from === title ) {
            title = normalized.to;
            break;
        }
    }
    for ( const page of ( response.pages || [] ) ) {
        if ( page.title === title ) {
            return page;
        }
    }
    return null;
}

export function assertIsInfoTestPage(
    page: ApiQueryResponsePage,
): asserts page is ApiQueryInfoTestResponsePage {
    if ( !( 'actions' in page ) ) {
        throw new TechnicalProblem( 'API info did not return test actions.' );
    }
}

export function assertIsRestrictionsBody(
    body: ApiQueryResponseBody,
): asserts body is ApiQueryRestrictionsResponseBody {
    if ( !( 'restrictions' in body ) ) {
        throw new TechnicalProblem( 'API siteinfo did not return restrictions.' );
    }
}