Function resolveSrcSet

frontend/app/element/markdown-util.ts:175–202

(srcSet: string, resolveOpts: MarkdownResolveOpts)

};

export const resolveSrcSet = async (srcSet: string, resolveOpts: MarkdownResolveOpts): Promise<string> => {
    if (!srcSet) return null;

    // Parse the srcset
    const candidates = parseSrcSet(srcSet);

    // Resolve each URL in the array of candidates
    const resolvedCandidates = await Promise.all(
        candidates.map(async (candidate) => {
            const resolvedUrl = await resolveRemoteFile(candidate.url, resolveOpts);
            return {
                ...candidate,
                url: resolvedUrl,
            };
        })
    );

    // Reconstruct the srcset string
    return resolvedCandidates
        .map((candidate) => {
            let part = candidate.url;
            if (candidate.w) part += ` ${candidate.w}w`;
            if (candidate.h) part += ` ${candidate.h}h`;
            if (candidate.d) part += ` ${candidate.d}x`;
            return part;
        })
        .join(", ");
};