index.js

const yaml = require("js-yaml");
const fs = require("fs");
const nunjucks = require("nunjucks");

const groups = yaml
  .safeLoad(fs.readFileSync("groups.yml", "utf8"))
  .sort((a, b) => {
    const nameA = a.name.toUpperCase();
    const nameB = b.name.toUpperCase();
    if (nameA < nameB) {
      return -1;
    }
    if (nameA > nameB) {
      return 1;
    }

    return 0;
  });

buildPages();

async function buildPages() {
  try {
    let pages = fs.readdirSync(`pages/`);
    pages = pages.filter(page => page.includes(".njk"));

    pageNames = pages.map(page => page.split(".")[0]);

    const pageTitles = {
      index: "Awesome Athens",
      about: "About",
      contact: "Contact",
      events: "Upcoming events"
    };

    if (!fs.existsSync("public")) {
      fs.mkdirSync("public");
    }

    pages.forEach(page => {
      const currentPage = page.split(".")[0];

      const renderedPage = nunjucks.render(`pages/${page}`, {
        groups,
        title: pageTitles[currentPage]
      });

      fs.closeSync(fs.openSync(`${__dirname}/public/${currentPage}.html`, "a"));
      fs.writeFileSync(`${__dirname}/public/${currentPage}.html`, renderedPage);
    });

    console.log("Build completed!");
    return 0;
  } catch (e) {
    console.log(e);
  }
}