Function npMaybe

src/components/colorscale/defaults.js:12–17

(parentCont, prefix)

var traceIs = require('../../registry').traceIs;

function npMaybe(parentCont, prefix) {
    var containerStr = prefix.slice(0, prefix.length - 1);
    return prefix ?
        Lib.nestedProperty(parentCont, containerStr).get() || {} :
        parentCont;
}

/**
 * Colorscale / colorbar default handler