graphql-yoga/esm/plugins/requestParser/utils.js

<div align="center"><img src="./website/public/cover.png" width="720" /></div>

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);
}
export function isContentTypeMatch(request, expectedContentType) {
    let contentType = request.headers.get('content-type');
    // a list of content-types is not valid as per HTTP spec, but some clients dont care
    contentType = contentType?.split(',')[0] || null;
    return (contentType === expectedContentType ||
        !!contentType?.startsWith(`${expectedContentType};`));
}