Function getKey

src/traces/treemap/plot_one.js:17–21

(pt)

var drawAncestors = require('./draw_ancestors');

function getKey(pt) {
    return helpers.isHierarchyRoot(pt) ?
        '' : // don't use the dummyId
        helpers.getPtId(pt);
}

module.exports = function plotOne(gd, cd, element, transitionOpts, drawDescendants) {
    var fullLayout = gd._fullLayout;