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1 | import Dot from 'dot'; | |
2 | import { cp, mkdir, readdir, readFile, writeFile } from 'fs/promises'; | |
3 | import { debuglog } from 'util'; | |
4 | import { join } from 'path'; | |
5 | import { rmIfExists } from '../utils.js'; | |
6 | ||
7 | const internals = { | |
8 | kIndexName: 'index.gmi', | |
9 | kGeminiRe: /\.gmi$/i, | |
10 | ||
11 | debuglog: debuglog('blog'), | |
12 | ||
13 | buildUrl(id, slug) { | |
14 | return `./${id}/${slug}`; | |
15 | }, | |
16 | ||
17 | buildTitle (id, slug) { | |
18 | const date = new Date(Number(id)); | |
19 | const shortDate = date.toISOString().split('T')[0] | |
20 | const title = slug.split('-').join(' '); | |
21 | return `${shortDate} ${title}` | |
22 | }, | |
23 | ||
24 | buildLink(id, slug) { | |
25 | return `=> ${internals.buildUrl(id,slug)} ${internals.buildTitle(id,slug)}`; | |
26 | } | |
27 | }; | |
28 | ||
29 | export default async function(templateDirectory, source, target) { | |
30 | internals.debuglog(`Reading archive ${source}`); | |
31 | const postIds = (await readdir(source)) | |
32 | .sort((a, b) => Number(b) - Number(a)); | |
33 | const posts = []; | |
34 | for (const id of postIds) { | |
35 | const postDirectory = join(source, id); | |
36 | const slug = (await readdir(postDirectory)) | |
37 | .filter((entry) => internals.kGeminiRe.test(entry))[0]; | |
38 | ||
39 | posts.push({ id, slug }) | |
40 | }; | |
41 | ||
42 | internals.debuglog(`Read ${posts.length} posts`); | |
43 | ||
44 | internals.debuglog('Generating Archive Index'); | |
45 | const indexLocation = join(templateDirectory, internals.kIndexName); | |
46 | ||
47 | internals.debuglog(`Reading ${indexLocation}`); | |
48 | const indexTemplate = await readFile(indexLocation, { encoding: 'utf8' }); | |
49 | ||
50 | internals.debuglog('Writing Archive Index'); | |
51 | const index = Dot.template(indexTemplate, { | |
52 | ...Dot.templateSettings, | |
53 | strip: false | |
54 | })({ | |
55 | posts: posts.map((post) => internals.buildLink(post.id, post.slug)).join('\n'), | |
56 | }); | |
57 | ||
58 | try { | |
59 | internals.debuglog('Removing index'); | |
60 | await rmIfExists(target); | |
61 | } | |
62 | finally { | |
63 | internals.debuglog('Creating index'); | |
64 | await mkdir(target); | |
65 | const indexFile = join(target, internals.kIndexName); | |
66 | await writeFile(indexFile, index); | |
67 | ||
68 | internals.debuglog('Copying posts to archive'); | |
69 | await cp(source, target, { recursive: true }); | |
70 | } | |
71 | }; |