testExport1 = html`<svg width=400 height=400>
<rect width=400 height=400 fill="#ffd478"></rect>
<image
class="fill-mainImg"
x="0"
y="0"
width="${mainImg.width * 0.3}"
height="${mainImg.height * 0.3}"
href="data:image/svg+xml;utf8,${await FileAttachment("mainImg.svg").text().then(d => d.replace(/^.*?<svg /, "<svg ").replace(/"/g, '"'))}"
/>
</svg>
`