tonic + npm: d3-hierarchy

var d3 = require("d3-hierarchy"); var data = [ {foo: "zz", id: "a"}, {foo: "zz", id: "aa", parentId: "a"}, {foo: "zz", id: "ab", parentId: "a"}, {foo: "zz", id: "aaa", parentId: "aa"} ]; var root = d3.stratify() .id(function(d) { return d.id; }) .parentId(function(d) { return d.parentId; }) (data) .eachBefore(function(d) { d.data = {foo: d.data.foo}; });
Created from: https://tonicdev.com/npm/d3-hierarchy
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