Gottwik/Enduro

// * ———————————————————————————————————————————————————————— * //
// *     format service
// * ———————————————————————————————————————————————————————— * //
const format_service = function () {}

// gets rid of non-word characters and replaces whitespace with a dash
format_service.prototype.slug = function (input) {
    return input.toString().toLowerCase()
        .replace(/\s+/g, '-')            // Replace spaces with -
        .replace(/[^\w\-]+/g, '')        // Remove all non-word chars
        .replace(/\-\-+/g, '-')            // Replace multiple - with single -
        .replace(/^-+/, '')                // Trim - from start of text
        .replace(/-+$/, '')                // Trim - from end of text
}

// same as slug but replaces whitespace with underscore
format_service.prototype.enduro_slug = function (input) {
    return input.toString().toLowerCase()
        .replace(/\s+/g, '_')            // Replace spaces with _ (underline)
        .replace(/[^\w\-_]+/g, '')        // Remove all non-word chars except underline and dashes
        .replace(/\-\-+/g, '-')            // Replace multiple - with single -
        .replace(/__+/g, '-')            // Replace multiple _ with single _
        .replace(/^-+/, '')                // Trim - from start of text
        .replace(/-+$/, '')                // Trim - from end of text
        .replace(/^_+/, '')                // Trim _ from start of text
        .replace(/_+$/, '')                // Trim _ from end of text
}

// capitalize and replace dashes and underscores
format_service.prototype.prettify_string = function (input) {
    return capitalize(input)
        .replace(/[_|-]/g, ' ')
}

function capitalize (input) {
    return input[0].toUpperCase() + input.substring(1)
}

module.exports = new format_service()