git.r.bdr.sh - rbdr/blog/blob - lib/generators/static.js

   1 'use strict';
   2
   3 const { access, cp } = require('fs/promises');
   4 const { join } = require('path');
   5 const { debuglog } = require('util');
   6 const { rmIfExists } = require('../utils');
   7 const { kFileNotFoundError } = require('../constants');
   8
   9 const internals = {
  10   debuglog: debuglog('blog'),
  11   kAssetsDirectoryName: 'assets'
  12 };
  13
  14 /**
  15  * Generates the static assets required for the blog
  16  *
  17  * @name StaticGenerator
  18  * @param {string} source the source directory
  19  * @param {string} target the target directory
  20  * @param {Array.<Blog.tPost>} posts the list of posts
  21  */
  22 module.exports = async function StaticGenerator(source, target, posts) {
  23
  24   const assetsTarget = join(target, internals.kAssetsDirectoryName);
  25
  26   internals.debuglog(`Removing ${assetsTarget}`);
  27   await rmIfExists(assetsTarget);
  28
  29   for (let i = 0; i < posts.length; ++i) {
  30     const postSourcePath = join(source, `${i}`);
  31
  32     try {
  33       await access(postSourcePath);
  34
  35       const assetsSource = join(postSourcePath, internals.kAssetsDirectoryName);
  36
  37       internals.debuglog(`Copying ${assetsSource} to ${assetsTarget}`);
  38       await cp(assetsSource, assetsTarget, { recursive: true });
  39     }
  40     catch (error) {
  41       if (error.code === kFileNotFoundError) {
  42         internals.debuglog(`Skipping ${i}`);
  43         continue;
  44       }
  45
  46       throw error;
  47     }
  48   }
  49 };