@jeli/dev-cli/lib/test/test.runner.js

Jeli cli devtool

const Mocha = require('mocha');
const glob = require('glob');
const path = require('path');

module.exports = async function(projectDir, options) {
    // Instantiate a Mocha instance.
    const mocha = new Mocha(options);
    // Add each .spec.js file to the mocha instance
    glob.sync('**/*.spec.js', {
        cwd: projectDir,
        filter: 'isFile'
    }).forEach(function(file) {
        mocha.addFile(
            path.join(projectDir, file)
        );
    });

    // Run the tests.
    mocha.run(function(failures) {
        process.exitCode = failures ? 1 : 0; // exit with non-zero status if there were failures
    });
}