@onesy/utils/hslToRgb.js

Utils

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const is_1 = __importDefault(require("./is"));
const isValid_1 = __importDefault(require("./isValid"));
const castParam_1 = __importDefault(require("./castParam"));
const clamp_1 = __importDefault(require("./clamp"));
const hslToRgb = (value, opacity = undefined, array = false) => {
    if ((0, isValid_1.default)('color-hsl', value)) {
        let values = value.replace(/hsl|a|\(|%|\s|\)/g, '').split(',');
        let [h, s, l, a] = [...values.slice(0, 3).map((item) => +(0, castParam_1.default)(item).toFixed(0)), values[3]];
        h = parseInt(h, 10);
        s = parseInt(s, 10) / 100;
        l = parseInt(l, 10) / 100;
        a = opacity !== undefined ? (opacity > 1 ? (opacity / 100).toFixed(2) : (0, clamp_1.default)(opacity, 0, 1)) : parseFloat(a);
        const k = (n) => (n + h / 30) % 12;
        const u = s * Math.min(l, 1 - l);
        const f = (n) => l - u * Math.max(-1, Math.min(k(n) - 3, Math.min(9 - k(n), 1)));
        let r = 255 * f(0);
        let g = 255 * f(8);
        let b = 255 * f(4);
        values = [...[r, g, b].map(item => Math.round((0, castParam_1.default)(item))), (0, is_1.default)('number', a) && +a];
        [r, g, b, a] = values;
        return array ? values.filter((value_) => (0, is_1.default)('number', value_)) : `rgb${(0, is_1.default)('number', a) ? 'a' : ''}(${r}, ${g}, ${b}${(0, is_1.default)('number', a) ? `, ${a}` : ''})`;
    }
};
exports.default = hslToRgb;