�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` /*! * mime-types * Copyright(c) 2014 Jonathan Ong * Copyright(c) 2015 Douglas Christopher Wilson * MIT Licensed */ 'use strict' /** * Module dependencies. * @private */ var db = require('mime-db') var extname = require('path').extname /** * Module variables. * @private */ var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/ var TEXT_TYPE_REGEXP = /^text\//i /** * Module exports. * @public */ exports.charset = charset exports.charsets = { lookup: charset } exports.contentType = contentType exports.extension = extension exports.extensions = Object.create(null) exports.lookup = lookup exports.types = Object.create(null) // Populate the extensions/types maps populateMaps(exports.extensions, exports.types) /** * Get the default charset for a MIME type. * * @param {string} type * @return {boolean|string} */ function charset (type) { if (!type || typeof type !== 'string') { return false } // TODO: use media-typer var match = EXTRACT_TYPE_REGEXP.exec(type) var mime = match && db[match[1].toLowerCase()] if (mime && mime.charset) { return mime.charset } // default text/* to utf-8 if (match && TEXT_TYPE_REGEXP.test(match[1])) { return 'UTF-8' } return false } /** * Create a full Content-Type header given a MIME type or extension. * * @param {string} str * @return {boolean|string} */ function contentType (str) { // TODO: should this even be in this module? if (!str || typeof str !== 'string') { return false } var mime = str.indexOf('/') === -1 ? exports.lookup(str) : str if (!mime) { return false } // TODO: use content-type or other module if (mime.indexOf('charset') === -1) { var charset = exports.charset(mime) if (charset) mime += '; charset=' + charset.toLowerCase() } return mime } /** * Get the default extension for a MIME type. * * @param {string} type * @return {boolean|string} */ function extension (type) { if (!type || typeof type !== 'string') { return false } // TODO: use media-typer var match = EXTRACT_TYPE_REGEXP.exec(type) // get extensions var exts = match && exports.extensions[match[1].toLowerCase()] if (!exts || !exts.length) { return false } return exts[0] } /** * Lookup the MIME type for a file path/extension. * * @param {string} path * @return {boolean|string} */ function lookup (path) { if (!path || typeof path !== 'string') { return false } // get the extension ("ext" or ".ext" or full path) var extension = extname('x.' + path) .toLowerCase() .substr(1) if (!extension) { return false } return exports.types[extension] || false } /** * Populate the extensions and types maps. * @private */ function populateMaps (extensions, types) { // source preference (least -> most) var preference = ['nginx', 'apache', undefined, 'iana'] Object.keys(db).forEach(function forEachMimeType (type) { var mime = db[type] var exts = mime.extensions if (!exts || !exts.length) { return } // mime -> extensions extensions[type] = exts // extension -> mime for (var i = 0; i < exts.length; i++) { var extension = exts[i] if (types[extension]) { var from = preference.indexOf(db[types[extension]].source) var to = preference.indexOf(mime.source) if (types[extension] !== 'application/octet-stream' && (from > to || (from === to && types[extension].substr(0, 12) === 'application/'))) { // skip the remapping continue } } // set the extension -> mime types[extension] = type } }) }