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Update link to make them Obsidian compatible #28

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merged 4 commits into from
Nov 28, 2023
Merged

Update link to make them Obsidian compatible #28

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672c36f
Update link to make them Obsidian compatible
Portevent Mar 27, 2023
a1cf0bc
Fix typing annotation
Portevent Mar 28, 2023
bfde775
Fix typescript & only apply modification to internal link
Portevent Mar 29, 2023
897a959
prettier, fix, updated version
Mar 31, 2023
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26 changes: 26 additions & 0 deletions src/processor.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,31 @@ export class D2Processor {
await debouncedFunc(source, el, ctx, newAbortController.signal);
};

isValidUrl = (urlString: string) => {
let url;
try {
url = new URL(urlString);
} catch (e) {
return false;
}
return url.protocol === "http:" || url.protocol === "https:";
};

formatLinks = (svgEl: HTMLElement) => {
// Add attributes to <a> tags to make them Obsidian compatible :
const links = svgEl.querySelectorAll("a");
links.forEach((link: HTMLElement) => {
const href = link.getAttribute("href") ?? "";
// Check for internal link
if (!this.isValidUrl(href)) {
link.classList.add("internal-link");
link.setAttribute("data-href", href);
link.setAttribute("target", "_blank");
link.setAttribute("rel", "noopener");
}
});
};

sanitizeSVGIDs = (svgEl: HTMLElement, docID: string): string => {
// append docId to <marker> || <mask> || <filter> id's so that they're unique across different panels & edit/view mode
const overrides = svgEl.querySelectorAll("marker, mask, filter");
Expand All @@ -91,6 +116,7 @@ export class D2Processor {
svgEl.style.height = "fit-content";
svgEl.style.width = "fit-content";

this.formatLinks(svgEl);
containerEl.innerHTML = this.sanitizeSVGIDs(svgEl, ctx.docId);
}

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