Function isAllowedUploadMimeType

packages/components/src/utils.ts:1274–1279

(mime: string)

 * @returns {boolean}
 */
export const isAllowedUploadMimeType = (mime: string): boolean => {
    if (!mime || typeof mime !== 'string') return false
    const trimmed = mime.trim()
    if (!trimmed) return false
    return ALLOWED_UPLOAD_MIME_TYPES.has(trimmed) && mapMimeTypeToExt(trimmed) !== ''
}

// remove invalid markdown image pattern: ![<some-string>](<some-string>)
// Uses indexOf instead of a global regex to avoid O(n²) backtracking when the