renovate.json5

{
  $schema: 'https://docs.renovatebot.com/renovate-schema.json',
  /**
   * Documentation: https://docs.renovatebot.com/configuration-options
   *
   * This configuration file can be locally validated:
   * 1. `npm i -g renovate` will install the validator
   * 2. `renovate-config-validator` will run the validator
   */
  dependencyDashboard: true,
  /**
   * Apply these labels to every PR
   */
  labels: ['dependencies'],
  /**
   * The minimum age (in days) for updates that have a release timestamp header to be PR'ed.
   * This will not batch releases together - if package A gets a release on Monday, Tuesday and Wednesday and has a
   * `minimumReleaseAge: 3` and runs every day, then a PR will be created on:
   * - Thursday (for Monday's release)
   * - Friday (for Tuesday's release)
   * - Saturday (for Wednesday's release)
   *
   * This setting is to prevent a compromised package from being merged into Stencil in the first three days of its
   * release date
   *
   * A value of 3 days was chosen as npm packages younger than 72 hours old can be unpublished. This prevents merging
   * support for a package that could be removed from the registry.
   */
  minimumReleaseAge: '3 days',
  /**
   * Note: Renovate will evaluate all packageRules and not stop once it gets a first match.
   */
  packageRules: [
    {
      matchPackageNames: ['@types/node'],
      allowedVersions: '<21.0.0',
    },
    {
      matchPackagePrefixes: ['@vitest', 'vitest'],
      groupName: 'Vitest',
    },
    {
      // auto-merge anything that's not a major version bump
      matchUpdateTypes: ['minor', 'patch', 'pin', 'digest'],
      automerge: true,
      automergeStrategy: 'rebase',
    },
  ],
  // Rebase the branch to avoid a 'stalled' dependency update due to it falling behind
  rebaseWhen: 'behind-base-branch',
  /**
   * Run every Monday and Thursday between midnight at 11 AM (in UTC)
   *
   * Monday and Thursday were chosen to:
   * - Keep the `minimumReleaseAge` value in mind (three days)
   * - Prevent spikes/bursts of PRs from Renovate on a single day of the week
   *
   * We use cron syntax here as it's more deterministic/easier to provide a value that we know that Renovate will
   * accept, compared to the natural language syntax which is (subjectively) trickier to test without merging first.
   *
   * {@see https://crontab.guru} for debugging cron schedules
   */
  schedule: ['* 0-11 * * 1,4'],
  /**
   * Ensure semantic commits are enabled for commits + PR titles.
   *
   * By default, Angular-style semantic commits will have a type of 'chore' and a scope of 'deps':
   * `chore(deps): _your git commit title here_`
   */
  semanticCommits: 'enabled',
}