41 lines
1.6 KiB
HTML
41 lines
1.6 KiB
HTML
{{ if and (.Site.Params.enableRelatedArticles | default false) .Params.tags }}
|
|
<div class="relatedArticlesContainer">
|
|
<hr />
|
|
<h2>More posts like this</h2>
|
|
<div id="relatedArticles"></div>
|
|
</div>
|
|
{{- partial "js_paginator.html" . -}}
|
|
<script>
|
|
function hasAnyTags(articleTags, targetTags) {
|
|
for (let atag of articleTags) {
|
|
if (targetTags.includes(atag)) return true;
|
|
}
|
|
return false;
|
|
}
|
|
function getRelatedArticles() {
|
|
let currentTags = {{ .Params.tags }};
|
|
let targetContainer = document.getElementById('relatedArticles');
|
|
targetContainer.innerHTML = '';
|
|
fetch('/search/index.json').then(res => res.json())
|
|
.then(res => {
|
|
let candidates = res.pages.filter(
|
|
a => hasAnyTags(a.tags, currentTags) && a.link != "{{ .Permalink }}"
|
|
);
|
|
let targetNum = Math.min(
|
|
{{ .Site.Params.relatedArticlesNum | default 2 }},
|
|
candidates.length
|
|
);
|
|
if (candidates.length <= 0) {
|
|
Array.from(
|
|
document.getElementsByClassName('relatedArticlesContainer')
|
|
).map(e => e.style.display = 'none');
|
|
}
|
|
for (let i=0; i<targetNum; i++) {
|
|
targetContainer.innerHTML += renderSingleArticle(candidates[i]);
|
|
}
|
|
});
|
|
}
|
|
getRelatedArticles();
|
|
</script>
|
|
{{ end }}
|