markup-tools/lib/formatters/images.js

Utility to format markup

'use strict';

module.exports = function(text, type, replacer) {
        
    var regex;
    if (type) {
        type = (type[0] == '.') ? type.substr(1) : type;    //remove any leading '.' characters, so '.png' becomes 'png'
        if (['jpeg', 'jpg', 'png', 'gif', 'svg', 'bmp', 'tif', 'tiff' ].indexOf(type) == -1) return '';
        regex = new RegExp('([a-z\-_0-9\/\:\.]*\.(' + type + '))', 'gi');
    } else {
        regex = /([a-z\-_0-9\/\:\.]*\.(jpe?g|bmp|svg|png|gif|tif|tiff))/gi;
    }
    var filler = replacer || '';
    try {
        return String(text).replace(regex, filler);
    } catch (err) {
        //console.log(err);
        return '';
    }
   
};