email-template-swear

EXample:

require('email-template-swear').render('path/to/templates', {
    variable: 'pass to template',
    otherVariable: [
        {item: 'list'}
        {item: 'list2'}
    ]
}).then(function (results) {
    var fileNames = Object.keys(results);

    fileNames.forEach(function (fileName) {
        var renderedCode = fileNames[fileName];
        console.log(fileName, ':', renderedCode);
    });
}).fail(function (error) {
    console.error(error);
}).catch(function (error) {
    console.error(error);
});