Method dependsOn

src/visual/VisualMapping.ts:462–466

* 'color', 'colorSaturation', 'colorAlpha', ... are depends on 'color'. * Other visuals are only depends on themself.

(visualType1: BuiltinVisualProperty, visualType2: BuiltinVisualProperty)

     * Other visuals are only depends on themself.
     */
    static dependsOn(visualType1: BuiltinVisualProperty, visualType2: BuiltinVisualProperty) {
        return visualType2 === 'color'
            ? !!(visualType1 && visualType1.indexOf(visualType2) === 0)
            : visualType1 === visualType2;
    }

    /**
     * @param value