swagger-api/swagger-editor

function extsToRegExp(exts) {
    return new RegExp("\\.(" + exts.map(function(ext) {
        return ext.replace(/\./g, "\\.");
    }).join("|") + ")(\\?.*)?$");
}

module.exports = function loadersByExtension(obj) {
    var loaders = [];
    Object.keys(obj).forEach(function(key) {
        var exts = key.split("|");
        var value = obj[key];
        var entry = {
            extensions: exts,
            test: extsToRegExp(exts)
        };
        if(Array.isArray(value)) {
            entry.loaders = value;
        } else if(typeof value === "string") {
            entry.loader = value;
        } else {
            Object.keys(value).forEach(function(valueKey) {
                entry[valueKey] = value[valueKey];
            });
        }
        loaders.push(entry);
    });
    return loaders;
};