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chore: handle validate hex color

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anh doan 2026-03-23 17:13:34 +07:00
parent 14ea50ab5e
commit 46d741a51a
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1 changed files with 12 additions and 2 deletions
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14
packages/effects/src/utils/color.ts
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@ -1,6 +1,16 @@
/** Convert hex color string (#RRGGBB) to normalized RGB array [0..1, 0..1, 0..1] */
const HEX_COLOR_REGEX = /^#?([0-9A-Fa-f]{6}|[0-9A-Fa-f]{3})$/;
const DEFAULT_RGB: [number, number, number] = [0, 1, 0.533]; // #00ff88
/** Convert hex color string (#RRGGBB or #RGB) to normalized RGB array [0..1, 0..1, 0..1] */
export function hexToRgb(hex: string): [number, number, number] {
const hexString = hex.replace("#", "");
if (!hex || !HEX_COLOR_REGEX.test(hex)) {
return DEFAULT_RGB;
}
let hexString = hex.replace("#", "");
// Expand shorthand (#RGB -> #RRGGBB)
if (hexString.length === 3) {
hexString = hexString[0] + hexString[0] + hexString[1] + hexString[1] + hexString[2] + hexString[2];
}
return [
Number.parseInt(hexString.slice(0, 2), 16) / 255,
Number.parseInt(hexString.slice(2, 4), 16) / 255,