graphql-yoga/esm/plugins/request-parser/utils.js

import { URLSearchParams } from '@whatwg-node/fetch';
export function handleURLSearchParams(searchParams) {
    const operationName = searchParams.get('operationName') || undefined;
    const query = searchParams.get('query') || undefined;
    const variablesStr = searchParams.get('variables') || undefined;
    const extensionsStr = searchParams.get('extensions') || undefined;
    return {
        operationName,
        query,
        variables: variablesStr ? JSON.parse(variablesStr) : undefined,
        extensions: extensionsStr ? JSON.parse(extensionsStr) : undefined,
    };
}
export function parseURLSearchParams(requestBody) {
    const searchParams = new URLSearchParams(requestBody);
    return handleURLSearchParams(searchParams);
}
/** Whether params for this method are carried in the request body (vs. the URL, as `GET` uses). */
export function isBodyBasedRequest(request) {
    return request.method === 'POST' || request.method === 'QUERY';
}
export function isContentTypeMatch(request, expectedContentType) {
    const contentType = request.headers.get('content-type');
    // a list of content-types is not valid as per HTTP spec, but some clients dont care
    // the media type is case-insensitive and may be followed by optional whitespace before the parameters
    const mediaType = contentType?.split(',')[0]?.split(';')[0]?.trim().toLowerCase();
    return mediaType === expectedContentType;
}