Files
ncd-fe/packages/pl-fe/src/utils/tailwind.ts
2024-12-06 10:27:52 +01:00

66 lines
2.2 KiB
TypeScript

import tintify from 'pl-fe/utils/colors';
import { generateAccent, generateNeutral } from 'pl-fe/utils/theme';
import type { TailwindColorPalette } from 'pl-fe/types/colors';
type PlFeColors = Record<string, Record<string, string>>;
/** Check if the value is a valid hex color */
const isHex = (value: any): boolean => /^#([0-9A-F]{3}){1,2}$/i.test(value);
/** Expand hex colors into tints */
const expandPalette = (palette: TailwindColorPalette): TailwindColorPalette =>
// Generate palette only for present colors
Object.entries(palette).reduce((result: TailwindColorPalette, colorData) => {
const [colorName, color] = colorData;
// Conditionally handle hex color and Tailwind color object
if (typeof color === 'string' && isHex(color)) {
result[colorName] = tintify(color);
} else if (color && typeof color === 'object') {
result[colorName] = color;
}
return result;
}, {});
// Generate accent color only if brandColor is present
const maybeGenerateAccentColor = (brandColor: string): string | null =>
isHex(brandColor) ? generateAccent(brandColor) : null;
/** Build a color object from legacy colors */
const fromBasicColors = ({ brandColor, accentColor }: {
brandColor: string;
accentColor: string | null;
}): TailwindColorPalette => {
const accent = typeof accentColor === 'string' && isHex(accentColor) ? accentColor : maybeGenerateAccentColor(brandColor);
return expandPalette({
primary: isHex(brandColor) ? brandColor : null,
secondary: accent,
accent,
gray: (isHex(brandColor) ? generateNeutral(brandColor) : null),
});
};
/** Convert pl-fe Config into Tailwind colors */
const toTailwind = (config: {
brandColor: string;
accentColor: string | null;
colors: Record<string, Record<string, string>>;
}): Record<string, Record<string, string> | string> => {
const colors: PlFeColors = config.colors;
const basicColors = fromBasicColors(config);
return {
...colors,
...Object.fromEntries(Object.entries(basicColors).map(([key, value]) => [key, typeof value === 'string' ? colors[key] || value : { ...value, ...colors[key] }])),
};
};
export {
expandPalette,
fromBasicColors,
toTailwind,
};