bbyars/mountebank

'use strict';

const fs = require('fs'),
    path = require('path');

function exclude (exclusions, file) {
    return (exclusions || []).some(function (exclusion) {
        if (exclusion[0] === '*') {
            return path.extname(file) === exclusion.substring(1);
        }
        else {
            return path.basename(file) === exclusion;
        }
    });
}

function include (filetype, file) {
    return !filetype || file.indexOf(filetype, file.length - filetype.length) >= 0;
}

function forEachFileIn (dir, fileCallback, options) {
    fs.readdirSync(dir).forEach(file => {
        const filePath = path.join(dir, file);

        if (!exclude(options.exclude, filePath)) {
            if (fs.lstatSync(filePath).isDirectory()) {
                forEachFileIn(filePath, fileCallback, options);
            }
            else if (include(options.filetype, filePath)) {
                fileCallback(filePath);
            }
        }
    });
}

module.exports = { forEachFileIn };