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{% if include.viewers %} | ||
{% assign viewers = include.viewers | split: "," %} | ||
{% else %} | ||
{% assign viewers = page.viewers %} | ||
{% endif %} | ||
[JSON-LD]({{ include.iiif-content }}) {% for viewerTxt in viewers %}{% assign viewer = viewerTxt | strip %}| {% include viewer_link.html type=viewer manifest=include.iiif-content class="content-state" %}{% endfor %} | ||
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{% if page.code %} | ||
{% include code_links.html %} | ||
{% endif %} | ||
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<script> | ||
function encodeContentState(plainContentState) { | ||
let uriEncoded = encodeURIComponent(plainContentState); // using built in function | ||
let base64 = btoa(uriEncoded); // using built in function | ||
let base64url = base64.replace(/\+/g, "-").replace(/\//g, "_"); | ||
let base64urlNoPadding = base64url.replace(/=/g, ""); | ||
return base64urlNoPadding; | ||
} | ||
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const links = document.getElementsByClassName("content-state"); | ||
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Array.from(links).forEach(link => { | ||
link.title = "Generating iiif-content link...." | ||
fetch(link.dataset.iiifContent).then(response=> { | ||
response.json().then (anno => { | ||
const encoded = encodeContentState(JSON.stringify(anno)); | ||
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if (/iiif-content=.*&/.test(link.href)){ | ||
link.href = link.href.replace(/iiif-content=.*&/, "iiif-content=" + encoded + '&'); | ||
} else { | ||
link.href = link.href.replace(/iiif-content=.*$/, "iiif-content=" + encoded); | ||
} | ||
link.title = ""; | ||
}) | ||
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}); | ||
}); | ||
</script> |
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