renovate/lib/versioning/node/schedule.ts

import dataFiles from '../../data-files.generated';

interface NodeJsSchedule {
  lts?: string;
  maintenance?: string;
  end: string;
  start: string;
  codename?: string;
}

export type NodeJsData = Record<string, NodeJsSchedule>;

export const nodeSchedule: NodeJsData = JSON.parse(
  dataFiles.get('data/node-js-schedule.json')
);