@fedify/fedify/dist/negotiation-SQvQgUqe.mjs

An ActivityPub server framework

import "@js-temporal/polyfill";
import "urlpattern-polyfill";
globalThis.addEventListener = () => {};
//#region src/federation/negotiation.ts
function compareSpecs(a, b) {
	return b.q - a.q || (b.s ?? 0) - (a.s ?? 0) || (a.o ?? 0) - (b.o ?? 0) || a.i - b.i || 0;
}
function isQuality(spec) {
	return spec.q > 0;
}
const simpleMediaTypeRegExp = /^\s*([^\s\/;]+)\/([^;\s]+)\s*(?:;(.*))?$/;
function splitKeyValuePair(str) {
	const [key, value] = str.split("=");
	return [key.toLowerCase(), value];
}
function parseMediaType(str, i) {
	const match = simpleMediaTypeRegExp.exec(str);
	if (!match) return;
	const [, type, subtype, parameters] = match;
	if (!type || !subtype) return;
	const params = Object.create(null);
	let q = 1;
	if (parameters) {
		const kvps = parameters.split(";").map((p) => p.trim()).map(splitKeyValuePair);
		for (const [key, val] of kvps) {
			const value = val && val[0] === `"` && val[val.length - 1] === `"` ? val.slice(1, val.length - 1) : val;
			if (key === "q" && value) {
				q = parseFloat(value);
				break;
			}
			params[key] = value;
		}
	}
	return {
		type,
		subtype,
		params,
		i,
		o: void 0,
		q,
		s: void 0
	};
}
function parseAccept(accept) {
	const accepts = accept.split(",").map((p) => p.trim());
	const mediaTypes = [];
	for (const [index, accept] of accepts.entries()) {
		const mediaType = parseMediaType(accept.trim(), index);
		if (mediaType) mediaTypes.push(mediaType);
	}
	return mediaTypes;
}
function getFullType(spec) {
	return `${spec.type}/${spec.subtype}`;
}
function preferredMediaTypes(accept) {
	return parseAccept(accept === void 0 ? "*/*" : accept ?? "").filter(isQuality).sort(compareSpecs).map(getFullType);
}
function acceptsJsonLd(request) {
	const accept = request.headers.get("Accept");
	const types = accept ? preferredMediaTypes(accept) : ["*/*"];
	if (types == null) return true;
	if (types[0] === "text/html" || types[0] === "application/xhtml+xml") return false;
	return types.includes("application/activity+json") || types.includes("application/ld+json") || types.includes("application/json");
}
//#endregion
export { acceptsJsonLd as t };