Glob processing in apollo-language-server

const relative = require('path').relative;
const resolve = require('path').resolve;
const glob = require('glob');
const minimatch = require("minimatch");
require("core-js");

const rootURI = './';
const includes = ['./examples/**/*.{ts,tsx}'];
const excludes = ['**/build/**', '**/*.d.ts'];

function allFiles() {
    return includes
        .flatMap(include =>
            glob.sync(include, { cwd: rootURI, absolute: true })
        )
        .filter(
            filePath =>
                !excludes.some(exclude =>
                minimatch(relative(rootURI, filePath), exclude)
            )
        )
};

function includesFile(filePath) {
    filePath = relative(rootURI, filePath);

    return (
        includes.some(include => minimatch(filePath, include)) &&
        !excludes.some(exclude => minimatch(filePath, exclude))
    );
};

function includesFileImproved(filePath) {
    return allFiles().includes(filePath);
};

console.log('allFiles:', allFiles());