In Vue, applying CSS styles to D3's SVG elements may not work as expected when using the scoped attribute

Here is the code snippet of my component:

<template>
  <div id="something" class="card">
  </div>
</template>
const height = 200;
const width = 200;

let graph = d3
  .select('#something')
  .append('svg')
    .attr('class', 'chart-container')
    .attr('height', height)
    .attr('width', width);
<style lang="scss" scoped>
.chart-container {
  background-color: aquamarine;
}
</style>

Although the svg element has the class .chart-container assigned to it, no styling seems to be applied.

https://i.stack.imgur.com/JFNEP.png

However, when I remove the scoped attribute from <style lang="scss">, the styling works as intended.

https://i.stack.imgur.com/Fwtqm.png

Why does this behavior occur?

Answer №1

Although I haven't focused much on styling svg, it's important to note that you can't directly change the style of appended elements. Deep Selectors are required to apply styles in such cases.

For more information, check out this link -

I have prepared a sandbox demonstrating what occurs. Take a look at the file components/helloWorld.vue

Explore the sandbox here: https://codesandbox.io/s/vue-template-qd1d4?fontsize=14

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