boris/node_modules/applesauce-factory/dist/operations/file-metadata.js

import { createFileMetadataTags } from "../helpers/file-metadata.js";
import { ensureSingletonTag } from "../helpers/tag.js";
/** Sets all NIP-94 tags for {@link FileMetadata} */
export function setFileMetadata(metadata) {
    return (draft) => {
        let tags = Array.from(draft.tags);
        const fileTags = createFileMetadataTags(metadata);
        for (const tag of fileTags) {
            switch (tag[0]) {
                case "fallback":
                    // support multiple fallback tags
                    tags.push(tag);
                    break;
                default:
                    tags = ensureSingletonTag(tags, tag);
                    break;
            }
        }
        return { ...draft, tags };
    };
}