@antv/f2/lib/deps/d3-hierarchy/src/hierarchy/index.js

Charts for mobile visualization.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Node = Node;
exports.computeHeight = computeHeight;
exports.default = hierarchy;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _count = _interopRequireDefault(require("./count.js"));
var _each = _interopRequireDefault(require("./each.js"));
var _eachBefore = _interopRequireDefault(require("./eachBefore.js"));
var _eachAfter = _interopRequireDefault(require("./eachAfter.js"));
var _find = _interopRequireDefault(require("./find.js"));
var _sum = _interopRequireDefault(require("./sum.js"));
var _sort = _interopRequireDefault(require("./sort.js"));
var _path = _interopRequireDefault(require("./path.js"));
var _ancestors = _interopRequireDefault(require("./ancestors.js"));
var _descendants = _interopRequireDefault(require("./descendants.js"));
var _leaves = _interopRequireDefault(require("./leaves.js"));
var _links = _interopRequireDefault(require("./links.js"));
var _iterator = _interopRequireDefault(require("./iterator.js"));
function hierarchy(data, children) {
  if (data instanceof Map) {
    data = [undefined, data];
    if (children === undefined) children = mapChildren;
  } else if (children === undefined) {
    children = objectChildren;
  }
  var root = new Node(data),
    node,
    nodes = [root],
    child,
    childs,
    i,
    n;
  while (node = nodes.pop()) {
    if ((childs = children(node.data)) && (n = (childs = Array.from(childs)).length)) {
      node.children = childs;
      for (i = n - 1; i >= 0; --i) {
        nodes.push(child = childs[i] = new Node(childs[i]));
        child.parent = node;
        child.depth = node.depth + 1;
      }
    }
  }
  return root.eachBefore(computeHeight);
}
function node_copy() {
  return hierarchy(this).eachBefore(copyData);
}
function objectChildren(d) {
  return d.children;
}
function mapChildren(d) {
  return Array.isArray(d) ? d[1] : null;
}
function copyData(node) {
  if (node.data.value !== undefined) node.value = node.data.value;
  node.data = node.data.data;
}
function computeHeight(node) {
  var height = 0;
  do node.height = height; while ((node = node.parent) && node.height < ++height);
}
function Node(data) {
  this.data = data;
  this.depth = this.height = 0;
  this.parent = null;
}
Node.prototype = hierarchy.prototype = (0, _defineProperty2.default)({
  constructor: Node,
  count: _count.default,
  each: _each.default,
  eachAfter: _eachAfter.default,
  eachBefore: _eachBefore.default,
  find: _find.default,
  sum: _sum.default,
  sort: _sort.default,
  path: _path.default,
  ancestors: _ancestors.default,
  descendants: _descendants.default,
  leaves: _leaves.default,
  links: _links.default,
  copy: node_copy
}, Symbol.iterator, _iterator.default);