Common file extensions mapped out to FontAwesome file classes

faFileType.js

function faFileType (name) {
    var extensions = {
        "txt"    : "fa-file-text-o",

        "ai"     : "fa-file-code-o",
        "bat"    : "fa-file-code-o",
        "bin"    : "fa-file-code-o",
        "css"    : "fa-file-code-o",
        "dll"    : "fa-file-code-o",
        "exe"    : "fa-file-code-o",
        "h"      : "fa-file-code-o",
        "htm"    : "fa-file-code-o",
        "html"   : "fa-file-code-o",
        "js"     : "fa-file-code-o",
        "mht"    : "fa-file-code-o",
        "mhtml"  : "fa-file-code-o",
        "json"   : "fa-file-code-o",
        "xml"    : "fa-file-code-o",
        "ttf"    : "fa-file-code-o",

        "mp3"    : "fa-file-audio-o",
        "m4a"    : "fa-file-audio-o",
        "mpa"    : "fa-file-audio-o",

        "mkv"    : "fa-file-video-o",
        "mp4"    : "fa-file-video-o",
        "avi"    : "fa-file-video-o",
        "mov"    : "fa-file-video-o",
        "movie"  : "fa-file-video-o",
        "mpe"    : "fa-file-video-o",
        "mpeg"   : "fa-file-video-o",
        "mpg"    : "fa-file-video-o",
        "dvi"    : "fa-file-video-o",

        "pdf"    : "fa-file-pdf-o",
        "swf"    : "fa-file-pdf-o",

        "jpe"    : "fa-file-image-o",
        "jpeg"   : "fa-file-image-o",
        "jpg"    : "fa-file-image-o",
        "png"    : "fa-file-image-o",
        "gif"    : "fa-file-image-o",
        "bmp"    : "fa-file-image-o",
        "tif"    : "fa-file-image-o",
        "tiff"   : "fa-file-image-o",
        "svg"    : "fa-file-image-o",
        "eps"    : "fa-file-image-o",

        "doc"    : "fa-file-word-o",
        "docx"   : "fa-file-word-o",
        "dot"    : "fa-file-word-o",
        "xlb"    : "fa-file-word-o",
        "xls"    : "fa-file-word-o",
        "xlsx"   : "fa-file-word-o",

        "pot"    : "fa-file-powerpoint-o",
        "ppa"    : "fa-file-powerpoint-o",
        "ppm"    : "fa-file-powerpoint-o",
        "pps"    : "fa-file-powerpoint-o",
        "ppt"    : "fa-file-powerpoint-o",
        "pptx"   : "fa-file-powerpoint-o",

        "zip"    : "fa-file-archive-o",
        "tar"    : "fa-file-archive-o",
        "rar"    : "fa-file-archive-o",
        "gz"     : "fa-file-archive-o",
        "xz"     : "fa-file-archive-o"
    };

    var splitName = name.split('.');

    return extensions[splitName[splitName.length - 1]] || 'fa-file-o';
}