react-ipdf-viewer-lite/dist/utils/mediaTypeDetector.js

A lightweight, dependency-free media viewer for PDFs and other media types with advanced controls

export var detectMediaType = function (src, mimeType) {
    if (mimeType) {
        if (mimeType.startsWith('image/'))
            return 'image';
        if (mimeType.startsWith('video/'))
            return 'video';
        if (mimeType.startsWith('audio/'))
            return 'audio';
        if (mimeType === 'application/pdf')
            return 'pdf';
    }
    if (typeof src === 'string') {
        if (src.endsWith('.pdf'))
            return 'pdf';
        if (/\.(jpg|jpeg|png|gif|webp|svg)$/i.test(src))
            return 'image';
        if (/\.(mp4|webm|ogg|mov)$/i.test(src))
            return 'video';
        if (/\.(mp3|wav|ogg|aac)$/i.test(src))
            return 'audio';
    }
    return 'unsupported';
};