const mimes = { "3g2": "video/3gpp2", "3gp": "video/3gpp", "3gpp": "video/3gpp", "3mf": "model/3mf", "aac": "audio/aac", "ac": "application/pkix-attr-cert", "adp": "audio/adpcm", "adts": "audio/aac", "ai": "application/postscript", "aml": "application/automationml-aml+xml", "amlx": "application/automationml-amlx+zip", "amr": "audio/amr", "apng": "image/apng", "appcache": "text/cache-manifest", "appinstaller": "application/appinstaller", "appx": "application/appx", "appxbundle": "application/appxbundle", "asc": "application/pgp-keys", "atom": "application/atom+xml", "atomcat": "application/atomcat+xml", "atomdeleted": "application/atomdeleted+xml", "atomsvc": "application/atomsvc+xml", "au": "audio/basic", "avci": "image/avci", "avcs": "image/avcs", "avif": "image/avif", "aw": "application/applixware", "bdoc": "application/bdoc", "bin": "application/octet-stream", "bmp": "image/bmp", "bpk": "application/octet-stream", "btf": "image/prs.btif", "btif": "image/prs.btif", "buffer": "application/octet-stream", "ccxml": "application/ccxml+xml", "cdfx": "application/cdfx+xml", "cdmia": "application/cdmi-capability", "cdmic": "application/cdmi-container", "cdmid": "application/cdmi-domain", "cdmio": "application/cdmi-object", "cdmiq": "application/cdmi-queue", "cer": "application/pkix-cert", "cgm": "image/cgm", "cjs": "application/node", "class": "application/java-vm", "coffee": "text/coffeescript", "conf": "text/plain", "cpl": "application/cpl+xml", "cpt": "application/mac-compactpro", "crl": "application/pkix-crl", "css": "text/css", "csv": "text/csv", "cu": "application/cu-seeme", "cwl": "application/cwl", "cww": "application/prs.cww", "davmount": "application/davmount+xml", "dbk": "application/docbook+xml", "deb": "application/octet-stream", "def": "text/plain", "deploy": "application/octet-stream", "dib": "image/bmp", "disposition-notification": "message/disposition-notification", "dist": "application/octet-stream", "distz": "application/octet-stream", "dll": "application/octet-stream", "dmg": "application/octet-stream", "dms": "application/octet-stream", "doc": "application/msword", "dot": "application/msword", "dpx": "image/dpx", "drle": "image/dicom-rle", "dsc": "text/prs.lines.tag", "dssc": "application/dssc+der", "dtd": "application/xml-dtd", "dump": "application/octet-stream", "dwd": "application/atsc-dwd+xml", "ear": "application/java-archive", "ecma": "application/ecmascript", "elc": "application/octet-stream", "emf": "image/emf", "eml": "message/rfc822", "emma": "application/emma+xml", "emotionml": "application/emotionml+xml", "eps": "application/postscript", "epub": "application/epub+zip", "exe": "application/octet-stream", "exi": "application/exi", "exp": "application/express", "exr": "image/aces", "ez": "application/andrew-inset", "fdf": "application/fdf", "fdt": "application/fdt+xml", "fits": "image/fits", "g3": "image/g3fax", "gbr": "application/rpki-ghostbusters", "geojson": "application/geo+json", "gif": "image/gif", "glb": "model/gltf-binary", "gltf": "model/gltf+json", "gml": "application/gml+xml", "gpx": "application/gpx+xml", "gram": "application/srgs", "grxml": "application/srgs+xml", "gxf": "application/gxf", "gz": "application/gzip", "h261": "video/h261", "h263": "video/h263", "h264": "video/h264", "heic": "image/heic", "heics": "image/heic-sequence", "heif": "image/heif", "heifs": "image/heif-sequence", "hej2": "image/hej2k", "held": "application/atsc-held+xml", "hjson": "application/hjson", "hlp": "application/winhlp", "hqx": "application/mac-binhex40", "hsj2": "image/hsj2", "htm": "text/html", "html": "text/html", "ics": "text/calendar", "ief": "image/ief", "ifb": "text/calendar", "iges": "model/iges", "igs": "model/iges", "img": "application/octet-stream", "in": "text/plain", "ini": "text/plain", "ink": "application/inkml+xml", "inkml": "application/inkml+xml", "ipfix": "application/ipfix", "iso": "application/octet-stream", "its": "application/its+xml", "jade": "text/jade", "jar": "application/java-archive", "jhc": "image/jphc", "jls": "image/jls", "jp2": "image/jp2", "jpe": "image/jpeg", "jpeg": "image/jpeg", "jpf": "image/jpx", "jpg": "image/jpeg", "jpg2": "image/jp2", "jpgm": "image/jpm", "jpgv": "video/jpeg", "jph": "image/jph", "jpm": "image/jpm", "jpx": "image/jpx", "js": "text/javascript", "json": "application/json", "json5": "application/json5", "jsonld": "application/ld+json", "jsonml": "application/jsonml+json", "jsx": "text/jsx", "jt": "model/jt", "jxr": "image/jxr", "jxra": "image/jxra", "jxrs": "image/jxrs", "jxs": "image/jxs", "jxsc": "image/jxsc", "jxsi": "image/jxsi", "jxss": "image/jxss", "kar": "audio/midi", "ktx": "image/ktx", "ktx2": "image/ktx2", "less": "text/less", "lgr": "application/lgr+xml", "list": "text/plain", "litcoffee": "text/coffeescript", "log": "text/plain", "lostxml": "application/lost+xml", "lrf": "application/octet-stream", "m1v": "video/mpeg", "m21": "application/mp21", "m2a": "audio/mpeg", "m2v": "video/mpeg", "m3a": "audio/mpeg", "m4a": "audio/mp4", "m4p": "application/mp4", "m4s": "video/iso.segment", "ma": "application/mathematica", "mads": "application/mads+xml", "maei": "application/mmt-aei+xml", "man": "text/troff", "manifest": "text/cache-manifest", "map": "application/json", "mar": "application/octet-stream", "markdown": "text/markdown", "mathml": "application/mathml+xml", "mb": "application/mathematica", "mbox": "application/mbox", "md": "text/markdown", "mdx": "text/mdx", "me": "text/troff", "mesh": "model/mesh", "meta4": "application/metalink4+xml", "metalink": "application/metalink+xml", "mets": "application/mets+xml", "mft": "application/rpki-manifest", "mid": "audio/midi", "midi": "audio/midi", "mime": "message/rfc822", "mj2": "video/mj2", "mjp2": "video/mj2", "mjs": "text/javascript", "mml": "text/mathml", "mods": "application/mods+xml", "mov": "video/quicktime", "mp2": "audio/mpeg", "mp21": "application/mp21", "mp2a": "audio/mpeg", "mp3": "audio/mpeg", "mp4": "video/mp4", "mp4a": "audio/mp4", "mp4s": "application/mp4", "mp4v": "video/mp4", "mpd": "application/dash+xml", "mpe": "video/mpeg", "mpeg": "video/mpeg", "mpf": "application/media-policy-dataset+xml", "mpg": "video/mpeg", "mpg4": "video/mp4", "mpga": "audio/mpeg", "mpp": "application/dash-patch+xml", "mrc": "application/marc", "mrcx": "application/marcxml+xml", "ms": "text/troff", "mscml": "application/mediaservercontrol+xml", "msh": "model/mesh", "msi": "application/octet-stream", "msix": "application/msix", "msixbundle": "application/msixbundle", "msm": "application/octet-stream", "msp": "application/octet-stream", "mtl": "model/mtl", "musd": "application/mmt-usd+xml", "mxf": "application/mxf", "mxmf": "audio/mobile-xmf", "mxml": "application/xv+xml", "n3": "text/n3", "nb": "application/mathematica", "nq": "application/n-quads", "nt": "application/n-triples", "obj": "model/obj", "oda": "application/oda", "oga": "audio/ogg", "ogg": "audio/ogg", "ogv": "video/ogg", "ogx": "application/ogg", "omdoc": "application/omdoc+xml", "onepkg": "application/onenote", "onetmp": "application/onenote", "onetoc": "application/onenote", "onetoc2": "application/onenote", "opf": "application/oebps-package+xml", "opus": "audio/ogg", "otf": "font/otf", "owl": "application/rdf+xml", "oxps": "application/oxps", "p10": "application/pkcs10", "p7c": "application/pkcs7-mime", "p7m": "application/pkcs7-mime", "p7s": "application/pkcs7-signature", "p8": "application/pkcs8", "pdf": "application/pdf", "pfr": "application/font-tdpfr", "pgp": "application/pgp-encrypted", "pkg": "application/octet-stream", "pki": "application/pkixcmp", "pkipath": "application/pkix-pkipath", "pls": "application/pls+xml", "png": "image/png", "prc": "model/prc", "prf": "application/pics-rules", "provx": "application/provenance+xml", "ps": "application/postscript", "pskcxml": "application/pskc+xml", "pti": "image/prs.pti", "qt": "video/quicktime", "raml": "application/raml+yaml", "rapd": "application/route-apd+xml", "rdf": "application/rdf+xml", "relo": "application/p2p-overlay+xml", "rif": "application/reginfo+xml", "rl": "application/resource-lists+xml", "rld": "application/resource-lists-diff+xml", "rmi": "audio/midi", "rnc": "application/relax-ng-compact-syntax", "rng": "application/xml", "roa": "application/rpki-roa", "roff": "text/troff", "rq": "application/sparql-query", "rs": "application/rls-services+xml", "rsat": "application/atsc-rsat+xml", "rsd": "application/rsd+xml", "rsheet": "application/urc-ressheet+xml", "rss": "application/rss+xml", "rtf": "text/rtf", "rtx": "text/richtext", "rusd": "application/route-usd+xml", "s3m": "audio/s3m", "sbml": "application/sbml+xml", "scq": "application/scvp-cv-request", "scs": "application/scvp-cv-response", "sdp": "application/sdp", "senmlx": "application/senml+xml", "sensmlx": "application/sensml+xml", "ser": "application/java-serialized-object", "setpay": "application/set-payment-initiation", "setreg": "application/set-registration-initiation", "sgi": "image/sgi", "sgm": "text/sgml", "sgml": "text/sgml", "shex": "text/shex", "shf": "application/shf+xml", "shtml": "text/html", "sieve": "application/sieve", "sig": "application/pgp-signature", "sil": "audio/silk", "silo": "model/mesh", "siv": "application/sieve", "slim": "text/slim", "slm": "text/slim", "sls": "application/route-s-tsid+xml", "smi": "application/smil+xml", "smil": "application/smil+xml", "snd": "audio/basic", "so": "application/octet-stream", "spdx": "text/spdx", "spp": "application/scvp-vp-response", "spq": "application/scvp-vp-request", "spx": "audio/ogg", "sql": "application/sql", "sru": "application/sru+xml", "srx": "application/sparql-results+xml", "ssdl": "application/ssdl+xml", "ssml": "application/ssml+xml", "stk": "application/hyperstudio", "stl": "model/stl", "stpx": "model/step+xml", "stpxz": "model/step-xml+zip", "stpz": "model/step+zip", "styl": "text/stylus", "stylus": "text/stylus", "svg": "image/svg+xml", "svgz": "image/svg+xml", "swidtag": "application/swid+xml", "t": "text/troff", "t38": "image/t38", "td": "application/urc-targetdesc+xml", "tei": "application/tei+xml", "teicorpus": "application/tei+xml", "text": "text/plain", "tfi": "application/thraud+xml", "tfx": "image/tiff-fx", "tif": "image/tiff", "tiff": "image/tiff", "toml": "application/toml", "tr": "text/troff", "trig": "application/trig", "ts": "video/mp2t", "tsd": "application/timestamped-data", "tsv": "text/tab-separated-values", "ttc": "font/collection", "ttf": "font/ttf", "ttl": "text/turtle", "ttml": "application/ttml+xml", "txt": "text/plain", "u3d": "model/u3d", "u8dsn": "message/global-delivery-status", "u8hdr": "message/global-headers", "u8mdn": "message/global-disposition-notification", "u8msg": "message/global", "ubj": "application/ubjson", "uri": "text/uri-list", "uris": "text/uri-list", "urls": "text/uri-list", "vcard": "text/vcard", "vrml": "model/vrml", "vtt": "text/vtt", "vxml": "application/voicexml+xml", "war": "application/java-archive", "wasm": "application/wasm", "wav": "audio/wav", "weba": "audio/webm", "webm": "video/webm", "webmanifest": "application/manifest+json", "webp": "image/webp", "wgsl": "text/wgsl", "wgt": "application/widget", "wif": "application/watcherinfo+xml", "wmf": "image/wmf", "woff": "font/woff", "woff2": "font/woff2", "wrl": "model/vrml", "wsdl": "application/wsdl+xml", "wspolicy": "application/wspolicy+xml", "x3d": "model/x3d+xml", "x3db": "model/x3d+fastinfoset", "x3dbz": "model/x3d+binary", "x3dv": "model/x3d-vrml", "x3dvz": "model/x3d+vrml", "x3dz": "model/x3d+xml", "xaml": "application/xaml+xml", "xav": "application/xcap-att+xml", "xca": "application/xcap-caps+xml", "xcs": "application/calendar+xml", "xdf": "application/xcap-diff+xml", "xdssc": "application/dssc+xml", "xel": "application/xcap-el+xml", "xenc": "application/xenc+xml", "xer": "application/patch-ops-error+xml", "xfdf": "application/xfdf", "xht": "application/xhtml+xml", "xhtml": "application/xhtml+xml", "xhvml": "application/xv+xml", "xlf": "application/xliff+xml", "xm": "audio/xm", "xml": "text/xml", "xns": "application/xcap-ns+xml", "xop": "application/xop+xml", "xpl": "application/xproc+xml", "xsd": "application/xml", "xsf": "application/prs.xsf+xml", "xsl": "application/xml", "xslt": "application/xml", "xspf": "application/xspf+xml", "xvm": "application/xv+xml", "xvml": "application/xv+xml", "yaml": "text/yaml", "yang": "application/yang", "yin": "application/yin+xml", "yml": "text/yaml", "zip": "application/zip" }; function lookup(extn) { let tmp = ('' + extn).trim().toLowerCase(); let idx = tmp.lastIndexOf('.'); return mimes[!~idx ? tmp : tmp.substring(++idx)]; } exports.mimes = mimes; exports.lookup = lookup;