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Update SVG to React converter output format #35

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Merged
kzuraw merged 2 commits into from
Jan 14, 2026
Merged

Update SVG to React converter output format #35

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9fc4f3c
Update SVG to React converter with improved output format
claude Jan 14, 2026
4ff4560
Fix SVG formatting logic for child elements
claude Jan 14, 2026
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90 changes: 74 additions & 16 deletions html/svg-to-react.html
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,8 @@
}

.container {
display: grid;
grid-template-columns: 1fr 1fr;
display: flex;
flex-direction: column;
gap: 20px;
margin-bottom: 20px;
}
Expand Down Expand Up @@ -118,11 +118,6 @@
text-decoration: underline;
}

@media (max-width: 768px) {
.container {
grid-template-columns: 1fr;
}
}
</style>
</head>
<body>
Expand Down Expand Up @@ -260,23 +255,86 @@ <h1>SVG to React</h1>
reactSvg = reactSvg.replace(/\sxmlns(:\w+)?="[^"]*"/g, '');
reactSvg = reactSvg.trim();

// Add {...props} and ref to the SVG element
// Props come before ref so hardcoded attributes can be overridden, but ref is always preserved
reactSvg = reactSvg.replace(/^<svg([^>]*?)>/, '<svg$1 {...props} ref={ref}>');
// Format SVG with proper indentation
reactSvg = formatSvg(reactSvg);

const component = `import { forwardRef } from 'react';
const component = `import type { Ref, SVGProps } from "react";
import { forwardRef } from "react";

export default forwardRef<SVGSVGElement, React.SVGProps<SVGSVGElement>>(
function Icon(props, ref) {
const Icon = forwardRef(
(props: SVGProps<SVGSVGElement>, ref: Ref<SVGSVGElement>) => {
return (
${reactSvg}
${reactSvg}
);
}
);`;
},
);

export default Icon;`;

return component;
}

function formatSvg(svgString) {
const parser = new DOMParser();
const doc = parser.parseFromString(svgString, 'image/svg+xml');
const svg = doc.querySelector('svg');

function formatElement(element, indent) {
const tagName = element.tagName;
const attrs = Array.from(element.attributes);
const children = Array.from(element.childNodes).filter(
node => node.nodeType === 1 || (node.nodeType === 3 && node.textContent.trim())
);

let result = `${indent}<${tagName}`;

// For SVG element, add attributes on separate lines, then props and ref
if (tagName === 'svg') {
attrs.forEach(attr => {
result += `\n${indent} ${attr.name}="${attr.value}"`;
});
result += `\n${indent} {...props}`;
result += `\n${indent} ref={ref}`;
result += `\n${indent}>`;
} else {
// For other elements
if (attrs.length === 0) {
result += ' />';
return result;
} else if (attrs.length <= 2 && children.length === 0) {
// Put few attributes inline for simple elements
attrs.forEach(attr => {
result += ` ${attr.name}="${attr.value}"`;
});
result += ' />';
return result;
} else {
// Many attributes on separate lines
attrs.forEach(attr => {
result += `\n${indent} ${attr.name}="${attr.value}"`;
});
result += children.length > 0 ? `\n${indent}>` : `\n${indent}/>`;
if (children.length === 0) {
return result;
}
}
}

children.forEach(child => {
if (child.nodeType === 1) {
result += '\n' + formatElement(child, indent + ' ');
} else {
result += child.textContent.trim();
}
});

result += `\n${indent}</${tagName}>`;
return result;
}

return formatElement(svg, ' ');
}

function updateOutput() {
const input = inputEl.value.trim();

Expand Down