gist-assemblepfile

import assemble from 'assemble';
import assembleConfig from '../config/assemble-config.js';
import markdownHelper from 'helper-markdown';
import helpers from 'handlebars-helpers';
import hbs from 'engine-handlebars';
import gutil from 'gulp-util';
import platformConfig from '../config/platform-config.js';
import yaml from 'js-yaml';
import fs from 'fs';
import collections from 'assemble-collections';

const paths = platformConfig.paths;
const app = assemble();

// Reads the data in the concatenated file and parses it as object
function parseData(options) {
  const dataFile = `${options.data.dest}/${options.data.fileName}`;
  const data = yaml.load(fs.readFileSync(dataFile)
    .toString());
  return data;
}

function loadCommon() {
  app.engine('hbs', hbs);
  app.helper('markdown', markdownHelper);
  app.helpers(helpers());
  app.use(collections());
  app.on('error', (err) => {
    gutil.log(err);
  });
  app.helper('log', (context) => {
    gutil.log(context);
  });
}

function load(options) {
  loadCommon();
  app.option('layout', assembleConfig.defaultLayout);
  app.layouts(options.layouts);
  app.partials(options.partials);

  // This creates a collection in assemble
  // it will be available for us to call as a function
  // which argument's list is an object
  app.create(options.collectionName);
  app[options.collectionName](options.pages);
  app.data('data', parseData(options));
}

function craft($, options) {
  return app.toStream(options.collectionName)
    .on('error', (err) => {
      gutil.log(err);
    })
    .pipe($.newer(`${paths.tmp}/${options.collectionName}`))
    .pipe($.plumber())
    .pipe(app.renderFile())
    .pipe($.extname())
    .on('error', (err) => {
      gutil.log(err);
    })
    .pipe($.size({
      title: `html: ${options.collectionName}`,
    }))
    .pipe(app.dest(options.dest));
}

function loadDocumentation(cb) {
  load(assembleConfig.documentation);
  cb();
}

function craftDocumentation($) {
  return craft($, assembleConfig.documentation);
}

export default {
  craftDocumentation,
  loadDocumentation,
};