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chore: albums post

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Cory Dransfeldt 2023-06-08 15:54:28 -07:00
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69
src/posts/2023/from-ics-to-json-surfacing-anticipated-albums.md Normal file
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@ -0,0 +1,69 @@
---
date: '2023-06-08'
title: 'From ICS to JSON: surfacing anticipated albums'
draft: false
tags: ['development', 'music', 'automation']
image: https://cdn.coryd.dev/blog/album-releases.jpg
---
I use MusicHarbor by [Marcos Tanaka](https://marcosatanaka.com) to track upcoming albums from my favorite artists (typically by syncing [my last.fm data](https://www.last.fm/user/cdme_) with the app.) When I see something new that I want to add to my collection I throw it on a calendar creatively titled `Albums`.<!-- excerpt -->
My calendar sits over at <a href="https://pr.tn/ref/X775YX40Z50G" onclick="va('event',{name:'Proton referral',data:{location:'Referrals'}})">Proton</a> which lets you share calendars with other users or as a syncable/downloadable `ics` file. As another entry into a list of experiments done because they can be I decided to surface these album events on [my now page](https://coryd.dev/now)[^1].
To do this I installed `ics-to-json-extended` and created a data file:
```javascript
const { AssetCache } = require('@11ty/eleventy-fetch')
const ics = require('ics-to-json-extended')
const { DateTime } = require('luxon')
module.exports = async function () {
const URL = process.env.SECRET_FEED_ALBUM_RELEASES
const icsToJson = ics.default
const asset = new AssetCache('album_release_data')
if (asset.isCacheValid('1h')) return await asset.getCachedValue()
const icsRes = await fetch(URL)
const icsData = await icsRes.text()
const data = icsToJson(icsData)
return data.filter((d) => DateTime.fromISO(d.startDate) > DateTime.now())
}
```
We surface the url, require the ICS conversion library, cache and convert the response using [Luxon](https://www.npmjs.com/package/luxon)'s `DateTime` interface to compare the current time and dates in the object returned from the calendar, which look like this:
```json
{
startDate: '20180505T020000Z',
endDate: '20180505T060000Z',
location: 'url',
summary: 'Artist - Album'
}
```
Rendering the output is as simple as:
{% raw %}
```liquid
{% if albumReleases.size > 0 %}
<h2 class="m-0 text-xl flex flex-row items-center font-black leading-tight tracking-normal dark:text-gray-200 md:text-2xl mt-8 mb-4">
{% heroicon "solid" "calendar" "Albums I'm looking forward to" "height=28" %}
<div class="ml-1">Albums I'm looking forward to</div>
</h2>
<ul class="list-inside list-disc pl-5 md:pl-10">
{% for album in albumReleases %}
<li class="mt-1.5 mb-2">
<span class="font-bold">{{ album.startDate | readableDate }}: </span>
<a href="https://{{album.location}}" title="{{album.summary | escape}}">
{{album.summary}}
</a>
</li>
{% endfor %}
</ul>
{% endif %}
```
{% endraw %}
Leaving us with:
{% image '<https://cdn.coryd.dev/blog/album-releases.jpg>', 'Albums I\'m looking forward to', 'w-full', '600px' %}
[^1]: At this point, a dev playground.

13
src/posts/2023/optimizing-for-performance-with-eleventy.md
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@ -60,6 +60,7 @@ ELEVENTY_PRODUCTION=true eleventy && NODE_ENV=production npx tailwindcss -i ./ta
The site include's Prism for code syntax highlighting and this is embedded and minified in the `<head>` of each page at build time:
{% raw %}
```liquid
{% capture css %}
{% include "../assets/styles/prism.css" %}
@ -68,16 +69,20 @@ The site include's Prism for code syntax highlighting and this is embedded and m
{{ css | cssmin }}
</style>
```
{% endraw %}
This is made possible by leveraging CleanCSS in (you guessed it) `.eleventy.js`:
{% raw %}
```javascript
const CleanCSS = require('clean-css')
...
// css filters
eleventyConfig.addFilter('cssmin', (code) => new CleanCSS({}).minify(code).styles)
```
{% endraw %}
## Minify HTML output
Final HTML output for the site is minified when it's built using `@sherby/eleventy-plugin-files-minifier` which, [per the docs](https://www.npmjs.com/package/@sherby/eleventy-plugin-files-minifier):
@ -99,6 +104,7 @@ module.exports = function (eleventyConfig) {
Finally (and this is something that took me longer than it should have to do), we optimize images at build time using `@11ty/eleventy-image`, defining a shortcode in `.eleventy.js` as follows:
{% raw %}
```javascript
// image shortcode
eleventyConfig.addShortcode('image', async function (src, alt, css, sizes, loading) {
@ -120,17 +126,20 @@ eleventyConfig.addShortcode('image', async function (src, alt, css, sizes, loadi
return Image.generateHTML(metadata, imageAttributes)
})
```
{% endraw %}
This is most impactful on [my now page](https://coryd.dev/now) which is populated with quite a few images and, when used, looks something like this:
{% raw %}
```liquid
{% image artistImg, artistName, 'rounded-lg', '225px', 'eager' %}
```
{% endraw %}
For this page in particular, the images that are rendered above the fold are set to load as `eager` to mitigate performance impacts related to [too much lazy loading](https://web.dev/lcp-lazy-loading/). These images are fetched from caches hosted at [Bunny.net](https://bunny.net/?ref=revw3mehej) when the site is built.
For this page in particular, the images that are rendered above the fold are set to load as `eager` to mitigate performance impacts related to [too much lazy loading](https://web.dev/lcp-lazy-loading/). These images are fetched from caches hosted at <a href="https://bunny.net?ref=revw3mehej" onclick="va('event',{name:'Bunny.net referral',data:{location:'Referrals'}})">Bunny.net</a> when the site is built.
All of these boilerplate steps leave us with a quick to load, accessible and resilient site:
{% image 'https://cdn.coryd.dev/blog/page-speed.jpg', 'Pagespeed scores for coryd.dev/now', 'w-full', '600px' %}
{% image '<https://cdn.coryd.dev/blog/page-speed.jpg>', 'Pagespeed scores for coryd.dev/now', 'w-full', '600px' %}
[^1]: It's easy, flexible and helps mitigate my lack of an eye for design by providing safe baselines.