Function flattenNode

core/src/components/router/utils/parser.ts:75–94

(chain: RouteChain, chains: RouteChain[], node: RouteNode)

/** Flattens a route node recursively and push each branch to the chains list. */
const flattenNode = (chain: RouteChain, chains: RouteChain[], node: RouteNode) => {
  chain = [
    ...chain,
    {
      id: node.id,
      segments: node.segments,
      params: node.params,
      beforeLeave: node.beforeLeave,
      beforeEnter: node.beforeEnter,
    },
  ];

  if (node.children.length === 0) {
    chains.push(chain);
    return;
  }
  for (const child of node.children) {
    flattenNode(chain, chains, child);
  }
};