graphql-yoga
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JavaScript
export function getMediaTypesForRequestInOrder(request) {
const accepts = (request.headers.get('accept') || '*/*')
.replace(/\s/g, '')
.toLowerCase()
.split(',');
const mediaTypes = [];
for (const accept of accepts) {
const [mediaType, ...params] = accept.split(';');
const charset = params?.find((param) => param.includes('charset=')) || 'charset=utf-8'; // utf-8 is assumed when not specified;
if (charset !== 'charset=utf-8') {
// only utf-8 is supported
continue;
}
mediaTypes.push(mediaType);
}
return mediaTypes.reverse();
}
export function isMatchingMediaType(askedMediaType, processorMediaType) {
const [askedPre, askedSuf] = askedMediaType.split('/');
const [pre, suf] = processorMediaType.split('/');
if ((pre === '*' || pre === askedPre) && (suf === '*' || suf === askedSuf)) {
return true;
}
return false;
}