33 wiersze
948 B
TypeScript
33 wiersze
948 B
TypeScript
function getSvgMarkup(el: SVGSVGElement): string {
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return [
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`<?xml version="1.0" encoding="utf-8"?>`,
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"<!-- Generator: https://github.com/toolness/mystic-symbolic -->",
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'<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">',
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el.outerHTML,
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].join("\n");
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}
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/**
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* Initiates a download on the user's browser which downloads the given
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* SVG element under the given filename.
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*/
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export function exportSvg(
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filename: string,
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svgRef: React.RefObject<SVGSVGElement>
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) {
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const svgEl = svgRef.current;
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if (!svgEl) {
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alert("Oops, an error occurred! Please try again later.");
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return;
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}
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const dataURL = `data:image/svg+xml;utf8,${encodeURIComponent(
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getSvgMarkup(svgEl)
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)}`;
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const anchor = document.createElement("a");
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anchor.href = dataURL;
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anchor.download = filename;
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document.body.append(anchor);
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anchor.click();
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document.body.removeChild(anchor);
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}
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