How to use the map2tree function in map2tree
To help you get started, we’ve selected a few map2tree examples, based on popular ways it is used in public projects.
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reduxjs / d3-state-visualizer / src / charts / tree / tree.js View on Github 
return function renderChart(nextState = tree || state) {
data = !tree ? map2tree(nextState, {key: rootKeyName, pushMethod}) : nextState
if (isEmpty(data) || !data.name) {
data = { name: 'error', message: 'Please provide a state map or a tree structure'}
}
let nodeIndex = 0
let maxLabelLength = 0
// nodes are assigned with string ids, which reflect their location
// within the hierarcy; e.g. "root|branch|subBranch|subBranch[0]|property"
// top-level elemnt always has id "root"
visit(data,
node => {
maxLabelLength = Math.max(node.name.length, maxLabelLength)
node.id = node.id || 'root'
},
