toHSL()

in basemap/utils/color.js [148:174]

• 27 lines of code
• 7 McCabe index (conditional complexity)

    toHSL() {
        let r = this.r / 255;
        let g = this.g / 255;
        let b = this.b / 255;
        let max = Math.max(r, g, b);
        let min = Math.min(r, g, b);
        let h, s, l = (max + min) / 2;
        if (max == min) {
            h = s = 0;
        } else {
            let d = max - min;
            s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
            switch (max) {
                case r:
                    h = (g - b) / d + (g < b ? 6 : 0)
                    break;
                case g:
                    h = (b - r) / d + 2
                    break;
                case b:
                    h = (r - g) / d + 4
                    break;
            }
            h /= 6;
        }
        return new HSL(h, s, l, this.a);
    }