Function resolveDeps

packages/runner/src/fixture.ts:554–594

(
  usedFixtures: TestFixtureItem[],
  registrations: FixtureRegistrations,
  depSet = new Set<TestFixtureItem>(),
  pendingFixtures: TestFixtureItem[] = [],
)

}

function resolveDeps(
  usedFixtures: TestFixtureItem[],
  registrations: FixtureRegistrations,
  depSet = new Set<TestFixtureItem>(),
  pendingFixtures: TestFixtureItem[] = [],
) {
  usedFixtures.forEach((fixture) => {
    if (pendingFixtures.includes(fixture)) {
      return
    }
    if (!isFixtureFunction(fixture.value) || !fixture.deps) {
      pendingFixtures.push(fixture)
      return
    }
    if (depSet.has(fixture)) {
      if (fixture.parent) {
        fixture = fixture.parent
      }
      else {
        throw new Error(
          `Circular fixture dependency detected: ${fixture.name} <- ${[...depSet]
            .reverse()
            .map(d => d.name)
            .join(' <- ')}`,
        )
      }
    }

    depSet.add(fixture)
    resolveDeps(
      [...fixture.deps].map(n => n === fixture.name ? fixture.parent : registrations.get(n)).filter(n => !!n),
      registrations,
      depSet,
      pendingFixtures,
    )
    pendingFixtures.push(fixture)
    depSet.clear()
  })

  return pendingFixtures
}

function validateSuiteHook(fn: Function, hook: SuiteHook, suiteError: Error | undefined) {
  const usedProps = getUsedProps(fn, { sourceError: suiteError, suiteHook: hook })