'use strict';
|
|
Object.defineProperty(exports, "__esModule", {
|
value: true
|
});
|
|
var _color = require('color');
|
|
var _color2 = _interopRequireDefault(_color);
|
|
var _keywords = require('./keywords.json');
|
|
var _keywords2 = _interopRequireDefault(_keywords);
|
|
var _toShorthand = require('./lib/toShorthand');
|
|
var _toShorthand2 = _interopRequireDefault(_toShorthand);
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
const shorter = (a, b) => (a && a.length < b.length ? a : b).toLowerCase();
|
|
exports.default = (colour, isLegacy = false, cache = false) => {
|
const key = colour + "|" + isLegacy;
|
|
if (cache && cache[key]) {
|
return cache[key];
|
}
|
|
try {
|
const parsed = (0, _color2.default)(colour.toLowerCase());
|
const alpha = parsed.alpha();
|
|
if (alpha === 1) {
|
const toHex = (0, _toShorthand2.default)(parsed.hex().toLowerCase());
|
const result = shorter(_keywords2.default[toHex], toHex);
|
|
if (cache) {
|
cache[key] = result;
|
}
|
|
return result;
|
} else {
|
const rgb = parsed.rgb();
|
|
if (!isLegacy && !rgb.color[0] && !rgb.color[1] && !rgb.color[2] && !alpha) {
|
const result = 'transparent';
|
|
if (cache) {
|
cache[key] = result;
|
}
|
|
return result;
|
}
|
|
let hsla = parsed.hsl().string();
|
let rgba = rgb.string();
|
let result = hsla.length < rgba.length ? hsla : rgba;
|
|
if (cache) {
|
cache[key] = result;
|
}
|
|
return result;
|
}
|
} catch (e) {
|
// Possibly malformed, so pass through
|
const result = colour;
|
|
if (cache) {
|
cache[key] = result;
|
}
|
|
return result;
|
}
|
};
|
