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fix(badge): fix badge SVG generation with animated effects #50

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Merged
wontory merged 2 commits into from
Feb 8, 2026
Merged

fix(badge): fix badge SVG generation with animated effects #50

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cb63407
fix(badge): fix badge animation effect not working on safari
wontory Feb 8, 2026
72c21a8
refactor(badge): remove glow filter and adjust badge animation parame…
wontory Feb 8, 2026
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75 changes: 29 additions & 46 deletions packages/badge/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -18,22 +18,6 @@ const generateFontStyle = (): string => `
</style>
`

const generateGlowFilter = (
floodColor: string,
floodOpacity: number,
stdDeviation: number,
): string => `
<filter id="glow" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur in="SourceAlpha" stdDeviation="${stdDeviation}" result="blur" />
<feFlood flood-color="${floodColor}" flood-opacity="${floodOpacity}" result="color" />
<feComposite in="color" in2="blur" operator="in" result="glow" />
<feMerge>
<feMergeNode in="glow" />
<feMergeNode in="SourceGraphic" />
</feMerge>
</filter>
`

const generateTrailingLight = (
width: number,
height: number,
Expand All @@ -45,10 +29,10 @@ const generateTrailingLight = (

const r = BADGE_CONFIG.borderRadius
const perimeter = 2 * (width - 2 * r) + 2 * (height - 2 * r) + 2 * Math.PI * r
const blobCount = 3
const blobCount = 5
const blobRadius = Math.min(height, Math.max(16, Math.round(perimeter / 12)))
const dur = Math.max(3, perimeter / 60)
const gap = 0.3
const gap = 0.12

const path = `M${ox + r},${oy} H${ox + width - r} Q${ox + width},${oy} ${ox + width},${oy + r} V${oy + height - r} Q${ox + width},${oy + height} ${ox + width - r},${oy + height} H${ox + r} Q${ox},${oy + height} ${ox},${oy + height - r} V${oy + r} Q${ox},${oy} ${ox + r},${oy} Z`

Expand All @@ -66,15 +50,12 @@ const generateTrailingLight = (

return `
<defs>
<filter id="trail-blur" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur stdDeviation="4" />
</filter>
<clipPath id="trail-clip">
<rect x="${ox - 2}" y="${oy - 2}" width="${width + 4}" height="${height + 4}" rx="${r + 2}" />
</clipPath>
${gradient}
</defs>
<g filter="url(#trail-blur)" clip-path="url(#trail-clip)">
<g style="filter:blur(4px)" clip-path="url(#trail-clip)">
${blobs}
</g>
`
Expand All @@ -87,41 +68,46 @@ const generateShineEffect = (
ox: number,
oy: number,
): string => {
const shineWidth = Math.round(width * 0.7)
const skewOffset = Math.round(height * 0.36)

return `
<defs>
<clipPath id="shine-clip">
<rect x="${ox + 0.5}" y="${oy + 0.5}" width="${width - 1}" height="${height - 1}" rx="${r - 0.5}" />
</clipPath>
<linearGradient id="shine" gradientUnits="userSpaceOnUse"
x1="${ox}" y1="${oy}" x2="${ox + width}" y2="${oy + height * 2}">
<linearGradient id="shine">
<stop offset="0%" stop-color="white" stop-opacity="0" />
<stop offset="25%" stop-color="white" stop-opacity="0" />
<stop offset="40%" stop-color="white" stop-opacity="0.15" />
<stop offset="50%" stop-color="white" stop-opacity="0.3" />
<stop offset="60%" stop-color="white" stop-opacity="0.15" />
<stop offset="75%" stop-color="white" stop-opacity="0" />
<stop offset="100%" stop-color="white" stop-opacity="0" />
<animateTransform
attributeName="gradientTransform"
type="translate"
values="-${width},0; -${width},0; ${width},0; ${width},0"
keyTimes="0; 0.3; 0.7; 1"
calcMode="spline"
keySplines="0 0 1 1; 0.4 0 0.2 1; 0 0 1 1"
dur="3s"
repeatCount="indefinite"
/>
</linearGradient>
</defs>
<rect
x="${ox}"
y="${oy}"
width="${width}"
height="${height}"
rx="${r}"
fill="url(#shine)"
clip-path="url(#shine-clip)"
/>
<g clip-path="url(#shine-clip)">
<g transform="skewX(-20)">
<rect
x="${ox}"
y="${oy}"
width="${shineWidth}"
height="${height}"
fill="url(#shine)"
>
<animateTransform
attributeName="transform"
type="translate"
values="-${shineWidth + skewOffset},0; -${shineWidth + skewOffset},0; ${width + skewOffset},0; ${width + skewOffset},0"
keyTimes="0; 0.3; 0.7; 1"
calcMode="spline"
keySplines="0 0 1 1; 0.4 0 0.2 1; 0 0 1 1"
dur="3s"
repeatCount="indefinite"
/>
</rect>
</g>
</g>
`
}

Expand All @@ -140,9 +126,7 @@ const generateIcon = (
height="${size}"
viewBox="0 0 24 24"
fill="${color}"
filter="url(#glow)"
xmlns="http://www.w3.org/2000/svg"
style="overflow: visible"
>
<path d="${icon.path}" />
</svg>
Expand Down Expand Up @@ -236,7 +220,6 @@ export const generateBadgeSvg = (
<stop offset="50%" stop-color="${gradMiddle}" />
<stop offset="100%" stop-color="${gradEnd}" />
</linearGradient>
${generateGlowFilter('#808080', 0.4, 3)}
</defs>
<rect
x="${ox}"
Expand Down