Append Clap Count to the Post List
in Blog on Github Pages, Jekyll
I wanted to check how many claps I got for each post without entering the post. Code for minimal, non-clapable counts? had a good code snippet to start with. So I gave it a try.
4 files to be modified. (check related commit)
_includes/components/post-list-item.html
_includes/components/post.html
_includes/my-scripts.html
_sass/my-style.scss
post-list-item.html
{% if post.applause_button %}<span class="clap-count" data-url="{{ post.url | absolute_url }}"></span>{% endif %}
Simply append <span class="clap-count"> to the proper position. this span will be used to plant clap count later.
<!-- file: "/_includes/components/post-list-item.html" -->
{% assign post = include.post %}
{% assign format = include.format | default:site.data.strings.date_formats.related_post | default:"%d %b %Y" %}
<li class="h4">
<a href="{{ post.url | relative_url }}" class="flip-title"><span>{{ post.title }}</span></a>
{% unless site.hydejack.hide_dates %}<time class="faded fine" datetime="{{ post.date | date_to_xmlschema }}">{{ post.date | date:format }}</time>{% endunless %}
{% if post.applause_button %}<span class="clap-count" data-url="{{ post.url | absolute_url }}"></span>{% endif %}
</li>
post.html
{% if post.applause_button %}
{{ ' ' }}
<span class="clap-count" data-url="{{ post.url | absolute_url }}"></span>
{% endif %}
The same goes for the post.html. I deliberately placed clap count at the end of the line for both, because clap count is updated asynchronously. So it will be popped up after the page load. I don’t want to see the whole line aligning again.
<!-- file: "/_includes/components/post.html" -->
{% capture foobar %}
{%- unless site.hydejack.hide_dates -%}
{%- assign post_format = site.data.strings.date_formats.post | default:"%d %b %Y" -%}
<time datetime="{{ post.date | date_to_xmlschema }}">{{ post.date | date:post_format }}</time>
{%- else -%}
{{- site.data.strings.posted | default:"Posted" -}}
{%- endunless -%}
{{ ' ' }}
{%- assign category_start = site.data.strings.category_start | default:"in " -%}
{%- assign category_separator = site.data.strings.category_separator | default:" / " -%}
{%- include components/tag-list.html tags=post.categories meta=site.featured_categories start_with=category_start separator=category_separator -%}
{{ ' ' }}
{%- assign tag_start = site.data.strings.tag_start | default:"on " -%}
{%- assign tag_separator = site.data.strings.tag_separator | default:", " -%}
{%- include components/tag-list.html tags=post.tags meta=site.featured_tags start_with=tag_start separator=tag_separator -%}
{% if post.applause_button %}
{{ ' ' }}
<span class="clap-count" data-url="{{ post.url | absolute_url }}"></span>
{% endif %}
{% endcapture %}
my-scripts.html
This is where the magic happens. Applause supports POST - /get-multiple. Issue Code for minimal, non-clapable counts? gave me a place to start with.
In short, the script parses all clap-count to get the URL of the post and asks the Applause to get clap count.
<!-- file: "/_includes/my-scripts.html" -->
<script>
document.getElementById('_pushState').addEventListener('hy-push-state-load', function() {
var elements = Array.from(document.getElementsByClassName('clap-count'));
var urls = elements.map(function (el) {
return el.getAttribute("data-url");
});
if (urls.length) {
var request = new XMLHttpRequest();
request.open('POST', 'https://api.applause-button.com/get-multiple', true);
request.setRequestHeader('Content-Type', 'text/plain');
request.responseType = 'json';
request.addEventListener('load', function() {
switch (request.status) {
case 200:
elements.forEach(function(element) {
var url = element.getAttribute("data-url").replace(/^https?:\/\//, "");
var clapCount = request.response.find(function(e) { return e.url === url; });
if (clapCount && clapCount.claps > 0) {
element.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60">
<g class="flat">
<path d="M57.0443547 6.86206897C57.6058817 6.46227795 57.7389459 5.67962382 57.3416215 5.11431557 56.9442971 4.54900731 56.1672933 4.41483804 55.6055588 4.81504702L52.4950525 7.030721C51.9335255 7.43051202 51.8004613 8.21316614 52.1977857 8.7784744 52.4404567 9.12371996 52.8251182 9.30825496 53.2153846 9.30825496 53.4640757 9.30825496 53.7152578 9.23343783 53.9338485 9.07753396L57.0443547 6.86206897zM48.8035059 6.1414838C48.94778 6.19623824 49.0959982 6.22215256 49.2415177 6.22215256 49.7455426 6.22215256 50.2198824 5.91201672 50.4075424 5.40898642L51.7485642 1.81818182C51.9906124 1.17011494 51.664906.447021944 51.0209664.203343783 50.3772345-.0405433647 49.6587706.287774295 49.4167224.93584117L48.0757006 4.52664577C47.83386 5.17471264 48.1595664 5.89780564 48.8035059 6.1414838zM58.5931726 11.6219436C58.5846615 11.6219436 58.5761504 11.6219436 58.5674317 11.6219436L54.7579749 11.6541275C54.0702341 11.6681296 53.5240687 12.1985371 53.5379772 12.8909091 53.551678 13.5745037 54.1065621 14.1297806 54.7828855 14.1297806 54.7913966 14.1297806 54.7999077 14.1297806 54.8086265 14.1297806L58.6180833 14.0643678C59.305824 14.0501567 59.8519894 13.4934169 59.838081 12.8010449 59.8243801 12.1174504 59.269496 11.6219436 58.5931726 11.6219436z"/>
<path d="M37.1910045 6.68944619C37.7313574 6.14566353 38.4431784 5.8737722 39.155207 5.8737722 39.967916 5.8737722 40.7808327 6.22800418 41.3380002 6.93667712 42.2214969 8.06039707 42.0666359 9.69111808 41.0600392 10.7042842L39.777765 11.9949843C39.5801407 12.1276907 39.3877061 12.2695925 39.2075193 12.430303 39.0619998 11.5985371 38.7167801 10.7954023 38.1668781 10.0961338 37.4907623 9.23636364 36.588375 8.62424242 35.5772114 8.31410658L37.1910045 6.68944619zM28.5289586 3.66394984C29.0691039 3.12016719 29.7811325 2.84827586 30.4931611 2.84827586 31.3060777 2.84848485 32.1187868 3.20271682 32.6759543 3.91138976 33.559451 5.03510972 33.40459 6.66562173 32.3979933 7.67878788L17.6760235 22.3467085 17.6276554 20.6499478C17.6149925 19.014629 16.8595779 17.554441 15.6854573 16.5945664L28.5289586 3.66394984zM.624996757 36.9889537C.491717597 36.554099.508245877 35.7327064.906400646 35.2666667L3.45579518 32.2829676C3.45662553 32.2819923 4.33763118 25.8376176 6.09881213 12.9498433 6.09881213 11.4271682 7.33624726 10.1814002 8.84873717 10.1814002 10.3612271 10.1814002 11.5988698 11.4271682 11.5988698 12.9498433L11.6704878 15.4649948C9.18191673 15.8089864 7.24428555 17.9170324 7.14921001 20.492581L4.62804751 38.9475444 3.8946373 39.8060606C3.04504924 39.4926018 2.3776139 39.1458968 1.89233128 38.7659456 1.16440735 38.1960189.758275917 37.4238085.624996757 36.9889537z"/>
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</g>
<g class="outline">
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</g>
</svg>`;
var countSpan = document.createElement('span');
countSpan.textContent = clapCount.claps;
element.appendChild(countSpan);
element.style.display = 'initial';
}
});
break;
default:
console.log("POST to https://api.applause-button.com/get-multiple failed");
break;
}
});
request.send(JSON.stringify(urls));
}
});
</script>
my-style.scss
Append below to the my-style.scss.
/* file: "/_sass/my-style.scss" */
.clap-count {
@extend h4;
color: var(--accent-color);
display: none;
svg {
height: 1em;
vertical-align: middle;
width: 1em;
}
.flat {
fill: var(--body-bg);
}
.outline {
fill: var(--accent-color);
}
}
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