cal.pub0.org/packages/lib/CustomBranding.tsx

319 lines
8.2 KiB
TypeScript

import Head from "next/head";
import { useBrandColors } from "@calcom/embed-core/embed-iframe";
const BRAND_COLOR = "#292929";
const BRAND_TEXT_COLOR = "#ffffff";
const DARK_BRAND_COLOR = "#fafafa";
const HTML_COLORS = {
aliceblue: "#f0f8ff",
antiquewhite: "#faebd7",
aqua: "#00ffff",
aquamarine: "#7fffd4",
azure: "#f0ffff",
beige: "#f5f5dc",
bisque: "#ffe4c4",
black: "#000000",
blanchedalmond: "#ffebcd",
blue: "#0000ff",
blueviolet: "#8a2be2",
brown: "#a52a2a",
burlywood: "#deb887",
cadetblue: "#5f9ea0",
chartreuse: "#7fff00",
chocolate: "#d2691e",
coral: "#ff7f50",
cornflowerblue: "#6495ed",
cornsilk: "#fff8dc",
crimson: "#dc143c",
cyan: "#00ffff",
darkblue: "#00008b",
darkcyan: "#008b8b",
darkgoldenrod: "#b8860b",
darkgray: "#a9a9a9",
darkgreen: "#006400",
darkkhaki: "#bdb76b",
darkmagenta: "#8b008b",
darkolivegreen: "#556b2f",
darkorange: "#ff8c00",
darkorchid: "#9932cc",
darkred: "#8b0000",
darksalmon: "#e9967a",
darkseagreen: "#8fbc8f",
darkslateblue: "#483d8b",
darkslategray: "#2f4f4f",
darkturquoise: "#00ced1",
darkviolet: "#9400d3",
deeppink: "#ff1493",
deepskyblue: "#00bfff",
dimgray: "#696969",
dodgerblue: "#1e90ff",
firebrick: "#b22222",
floralwhite: "#fffaf0",
forestgreen: "#228b22",
fuchsia: "#ff00ff",
gainsboro: "#dcdcdc",
ghostwhite: "#f8f8ff",
gold: "#ffd700",
goldenrod: "#daa520",
gray: "#808080",
green: "#008000",
greenyellow: "#adff2f",
honeydew: "#f0fff0",
hotpink: "#ff69b4",
"indianred ": "#cd5c5c",
indigo: "#4b0082",
ivory: "#fffff0",
khaki: "#f0e68c",
lavender: "#e6e6fa",
lavenderblush: "#fff0f5",
lawngreen: "#7cfc00",
lemonchiffon: "#fffacd",
lightblue: "#add8e6",
lightcoral: "#f08080",
lightcyan: "#e0ffff",
lightgoldenrodyellow: "#fafad2",
lightgrey: "#d3d3d3",
lightgreen: "#90ee90",
lightpink: "#ffb6c1",
lightsalmon: "#ffa07a",
lightseagreen: "#20b2aa",
lightskyblue: "#87cefa",
lightslategray: "#778899",
lightsteelblue: "#b0c4de",
lightyellow: "#ffffe0",
lime: "#00ff00",
limegreen: "#32cd32",
linen: "#faf0e6",
magenta: "#ff00ff",
maroon: "#800000",
mediumaquamarine: "#66cdaa",
mediumblue: "#0000cd",
mediumorchid: "#ba55d3",
mediumpurple: "#9370d8",
mediumseagreen: "#3cb371",
mediumslateblue: "#7b68ee",
mediumspringgreen: "#00fa9a",
mediumturquoise: "#48d1cc",
mediumvioletred: "#c71585",
midnightblue: "#191970",
mintcream: "#f5fffa",
mistyrose: "#ffe4e1",
moccasin: "#ffe4b5",
navajowhite: "#ffdead",
navy: "#000080",
oldlace: "#fdf5e6",
olive: "#808000",
olivedrab: "#6b8e23",
orange: "#ffa500",
orangered: "#ff4500",
orchid: "#da70d6",
palegoldenrod: "#eee8aa",
palegreen: "#98fb98",
paleturquoise: "#afeeee",
palevioletred: "#d87093",
papayawhip: "#ffefd5",
peachpuff: "#ffdab9",
peru: "#cd853f",
pink: "#ffc0cb",
plum: "#dda0dd",
powderblue: "#b0e0e6",
purple: "#800080",
rebeccapurple: "#663399",
red: "#ff0000",
rosybrown: "#bc8f8f",
royalblue: "#4169e1",
saddlebrown: "#8b4513",
salmon: "#fa8072",
sandybrown: "#f4a460",
seagreen: "#2e8b57",
seashell: "#fff5ee",
sienna: "#a0522d",
silver: "#c0c0c0",
skyblue: "#87ceeb",
slateblue: "#6a5acd",
slategray: "#708090",
snow: "#fffafa",
springgreen: "#00ff7f",
steelblue: "#4682b4",
tan: "#d2b48c",
teal: "#008080",
thistle: "#d8bfd8",
tomato: "#ff6347",
turquoise: "#40e0d0",
violet: "#ee82ee",
wheat: "#f5deb3",
white: "#ffffff",
whitesmoke: "#f5f5f5",
yellow: "#ffff00",
yellowgreen: "#9acd32",
};
// Shadow the HTML_COLORS constant so we can create a type guard for it.
type HTML_COLORS = typeof HTML_COLORS;
function isHtmlColor(color: string): color is keyof HTML_COLORS {
return color in HTML_COLORS;
}
export function colorNameToHex(color: string) {
const normalizedColor = color.toLowerCase();
if (isHtmlColor(normalizedColor)) {
return HTML_COLORS[normalizedColor];
}
return false;
}
function computeContrastRatio(a: number[], b: number[]) {
const lum1 = computeLuminance(a[0], a[1], a[2]);
const lum2 = computeLuminance(b[0], b[1], b[2]);
const brightest = Math.max(lum1, lum2);
const darkest = Math.min(lum1, lum2);
return (brightest + 0.05) / (darkest + 0.05);
}
function computeLuminance(r: number, g: number, b: number) {
const a = [r, g, b].map((v) => {
v /= 255;
return v <= 0.03928 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4);
});
return a[0] * 0.2126 + a[1] * 0.7152 + a[2] * 0.0722;
}
function hexToRGB(hex: string) {
const color = hex.replace("#", "");
return [parseInt(color.slice(0, 2), 16), parseInt(color.slice(2, 4), 16), parseInt(color.slice(4, 6), 16)];
}
function normalizeHexCode(hex: string | null, dark: boolean) {
if (!hex) {
return !dark ? BRAND_COLOR : DARK_BRAND_COLOR;
}
hex = hex.replace("#", "");
// If the length of the hex code is 3, double up each character
// e.g. fff => ffffff or a0e => aa00ee
if (hex.length === 3) {
hex = hex
.split("")
.map(function (hex) {
return hex + hex;
})
.join("");
}
return hex;
}
function getContrastingTextColor(bgColor: string | null, dark: boolean): string {
bgColor = bgColor == "" || bgColor == null ? (dark ? DARK_BRAND_COLOR : BRAND_COLOR) : bgColor;
const rgb = hexToRGB(bgColor);
const whiteContrastRatio = computeContrastRatio(rgb, [255, 255, 255]);
const blackContrastRatio = computeContrastRatio(rgb, [41, 41, 41]); //#292929
return whiteContrastRatio > blackContrastRatio ? BRAND_TEXT_COLOR : BRAND_COLOR;
}
/**
* Given a string, determine if it's a valid 6 character hex code.
*/
export function isValidHexCode(val: string | null) {
if (val) {
// Normalize the value into include a leading "#" if it's missing
val = val.indexOf("#") === 0 ? val : "#" + val;
const regex = /^#([A-F0-9]{6}|[A-F0-9]{3})$/i;
return regex.test(val);
}
return false;
}
/**
* Given a html color name, check if it exists in our color palette
* and if it does, return the hex code for that color. Otherwise,
* return the default brand color.
*/
export function fallBackHex(val: string | null, dark: boolean): string {
if (val && colorNameToHex(val)) {
return colorNameToHex(val) as string;
}
// Otherwise, return the default color
return dark ? DARK_BRAND_COLOR : BRAND_COLOR;
}
/**
* Given a light and dark brand color value, update the css variables
* within the document to reflect the new brand colors.
*/
const BrandColor = ({
lightVal = BRAND_COLOR,
darkVal = DARK_BRAND_COLOR,
}: {
lightVal: string | undefined | null;
darkVal: string | undefined | null;
}) => {
const embedBrandingColors = useBrandColors();
lightVal = embedBrandingColors.brandColor || lightVal;
// convert to 6 digit equivalent if 3 digit code is entered
lightVal = normalizeHexCode(lightVal, false);
darkVal = normalizeHexCode(darkVal, true);
// ensure acceptable hex-code
lightVal = isValidHexCode(lightVal)
? lightVal?.indexOf("#") === 0
? lightVal
: "#" + lightVal
: fallBackHex(lightVal, false);
darkVal = isValidHexCode(darkVal)
? darkVal?.indexOf("#") === 0
? darkVal
: "#" + darkVal
: fallBackHex(darkVal, true);
return (
<Head>
<style>
{`body {
/* green--500*/
--booking-highlight-color: ${embedBrandingColors.highlightColor || "#10B981"};
/* gray--200 */
--booking-lightest-color: ${embedBrandingColors.lightestColor || "#E1E1E1"};
/* gray--400 */
--booking-lighter-color: ${embedBrandingColors.lighterColor || "#ACACAC"};
/* gray--500 */
--booking-light-color: ${embedBrandingColors.lightColor || "#888888"};
/* gray--600 */
--booking-median-color: ${embedBrandingColors.medianColor || "#494949"};
/* gray--800 */
--booking-dark-color: ${embedBrandingColors.darkColor || "#313131"};
/* gray--900 */
--booking-darker-color: ${embedBrandingColors.darkerColor || "#292929"};
--brand-color: ${lightVal};
--brand-text-color: ${getContrastingTextColor(lightVal, true)};
--brand-color-dark-mode: ${darkVal};
--brand-text-color-dark-mode: ${getContrastingTextColor(darkVal, true)};
`}
</style>
</Head>
);
};
export default BrandColor;