kulfon/_ignored/grnd.js

Kulfon is a modern static site generator written in JavaScript.

const Promise = require('bluebird');
const path = require('path');
const fs = Promise.promisifyAll(require("fs-extra"));
const yaml = require('js-yaml');

const dataPath = path.join(__dirname, 'data');

function isObject(item) {
  return (item && typeof item === 'object' && !Array.isArray(item) && item !== null);
}

function mergeDeep(target, source) {
  if (isObject(target) && isObject(source)) {
    for (let key in source) {
      if (isObject(source[key])) {
        if (!target[key]) Object.assign(target, { [key]: {} });
        mergeDeep(target[key], source[key]);
      } else {
        Object.assign(target, { [key]: source[key] });
      }
    }
  }
  return target;
}

Promise.resolve().then(() => {
  return fs.statAsync(dataPath)
    .then(stats => stats.isDirectory())
    .catch(err => false);         // not directory, so parse `data.yml`
}).then(isDirectory => {
  return isDirectory ?
    { content: fs.readdirAsync(dataPath), path: dataPath} :
    { content: ['data.yml'], path: __dirname };
}).then(directory => {
  return {
    files: directory.content.filter(f => fs.statSync(path.join(directory.path, f)).isFile()),
    path: directory.path
  }
}).then(yml => {
  const content = yml.files.reduce((acc, x) => {
    return [acc, fs.readFileSync(path.join(yml.path, x), 'utf8')].join('---\n');
  }, '');

  let data = {};
  yaml.safeLoadAll(content, (doc) => {
    data = mergeDeep(data, doc);
  });
}).catch(err => {
  console.log(err.message)
});