Published
Edited
May 9, 2022
2 stars
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Setting path length as CSS property variable with D3
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graphic = {
const node = htl.svg`<svg xmlns="http://www.w3.org/2000/svg" height="400" width="450">
<path class="line1" d="M 100 350 l 150 -300" stroke="red" stroke-width="3" fill="none" />
<path class="line2" d="M 250 50 l 150 300" stroke="blue" stroke-width="3" fill="none" />
<path class="line3" d="M 175 200 l 150 0" stroke="green" stroke-width="3" fill="none" />
<path class="line4" d="M 100 350 q 150 -300 300 0" stroke="magenta" stroke-width="5" fill="none" />
</svg>`;

d3.select(node).selectAll("[class^='line']")
.style("--pathLength", function (d, i) {
return this.getTotalLength();
});

return node;
}
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graphic.outerHTML
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