@salesforce/design-system-react
Version:
Salesforce Lightning Design System for React
387 lines (352 loc) • 8.32 kB
JavaScript
import assign from 'lodash.assign';
const COLOR_NAMES = {
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',
};
const HEX_REGEX = /^#([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i;
const ColorUtils = {
getNewColor(options, customHexValidator, oldColor = {}) {
if (options.hex) {
if (
customHexValidator
? !customHexValidator(options.hex)
: !this.isValidHex(options.hex)
) {
return assign({}, oldColor, {
hex: options.hex,
errors: assign({}, oldColor.errors, {
hex: true,
}),
hsv: {
hue: '',
saturation: '',
value: '',
},
rgb: {
red: '',
green: '',
blue: '',
},
});
}
const returnColor = {
hex: options.hex,
hsv: this.getHsvFromHex(options.hex),
rgb: this.getRgbFromHex(options.hex),
};
if (options.name) {
returnColor.name = options.name;
}
return returnColor;
}
if ('red' in options || 'blue' in options || 'green' in options) {
const rgb = assign({}, oldColor.rgb, options);
const errors = this.getRgbErrors(rgb);
if (Object.values(errors).includes(true)) {
return assign({}, oldColor, {
rgb,
errors: assign({}, oldColor.errors, errors),
});
}
return {
hex: this.getHexFromRgb(rgb),
hsv: this.getHsvFromRgb(rgb),
rgb,
};
}
if ('hue' in options || 'saturation' in options || 'value' in options) {
const hsv = assign({}, oldColor.hsv, options);
return {
hex: this.getHexFromHsv(hsv),
hsv,
rgb: this.getRgbFromHsv(hsv),
};
}
return {
hex: '',
hsv: {
hue: '',
saturation: '',
value: '',
},
rgb: {
red: '',
green: '',
blue: '',
},
};
},
getDeltaColor(options, customHexValidator, oldColor) {
const limitValue = (value) => Math.min(Math.max(value, 0), 100);
return this.getNewColor(
{
saturation: limitValue(
oldColor.hsv.saturation + (options.saturation || 0)
),
value: limitValue(oldColor.hsv.value + (options.value || 0)),
},
customHexValidator,
oldColor
);
},
isValidHex(value) {
return !value || HEX_REGEX.test(this.toSixDigitHex(value));
},
getRgbErrors(rgb) {
const hasError = (value) =>
isNaN(value) ||
Math.floor(value) !== Number(value) ||
value < 0 ||
value >= 256;
return Object.entries(rgb).reduce((errors, keyValue) => {
// eslint-disable-next-line no-param-reassign
errors[keyValue[0]] = hasError(keyValue[1]);
return errors;
}, {});
},
getHsvFromHex(hex) {
return this.getHsvFromRgb(this.getRgbFromHex(hex));
},
getHexFromHsv({ hue, saturation, value }) {
return this.getHexFromRgb(this.getRgbFromHsv({ hue, saturation, value }));
},
getHexFromNamedColor(name) {
return COLOR_NAMES[name.toLowerCase()] || null;
},
getHsvFromRgb({ red, green, blue }) {
const redRatio = red / 255;
const greenRatio = green / 255;
const blueRatio = blue / 255;
const max = Math.max(redRatio, greenRatio, blueRatio);
const min = Math.min(redRatio, greenRatio, blueRatio);
const delta = max - min;
const saturation = max === 0 ? 0 : (delta / max) * 100;
const value = max * 100;
let hue;
if (max === min) {
hue = 0;
} else {
if (redRatio === max) {
hue =
(greenRatio - blueRatio) / delta + (greenRatio < blueRatio ? 6 : 0);
} else if (greenRatio === max) {
hue = (blueRatio - redRatio) / delta + 2;
} else {
hue = (redRatio - greenRatio) / delta + 4;
}
hue *= 60;
}
return { hue, saturation, value };
},
getRgbFromHsv({ hue, saturation, value }) {
const hueRatio = hue / 360;
const satRatio = saturation / 100;
const valRatio = value / 100;
let red;
let green;
let blue;
const i = Math.floor(hueRatio * 6);
const f = hueRatio * 6 - i;
const p = valRatio * (1 - satRatio);
const q = valRatio * (1 - f * satRatio);
const t = valRatio * (1 - (1 - f) * satRatio);
switch (i % 6) {
case 0:
red = valRatio;
green = t;
blue = p;
break;
case 1:
red = q;
green = valRatio;
blue = p;
break;
case 2:
red = p;
green = valRatio;
blue = t;
break;
case 3:
red = p;
green = q;
blue = valRatio;
break;
case 4:
red = t;
green = p;
blue = valRatio;
break;
default:
red = valRatio;
green = p;
blue = q;
}
return {
red: Math.round(red * 255),
blue: Math.round(blue * 255),
green: Math.round(green * 255),
};
},
getHexFromRgb({ red, green, blue }) {
function getHex(color) {
return `0${Math.round(color).toString(16)}`.substr(-2);
}
return `#${getHex(red)}${getHex(green)}${getHex(blue)}`;
},
getRgbFromHex(hex) {
const result = HEX_REGEX.exec(this.toSixDigitHex(hex));
return {
red: parseInt(result[1], 16),
green: parseInt(result[2], 16),
blue: parseInt(result[3], 16),
};
},
toSixDigitHex(value) {
const shortHandHex = /^#([a-f\d])([a-f\d])([a-f\d])$/i;
const match = shortHandHex.exec(value);
if (match) {
return `#${match[1]}${match[1]}${match[2]}${match[2]}${match[3]}${match[3]}`;
}
return value;
},
};
export default ColorUtils;