Function transitiveCacheKey

packages/jest-runtime/src/internals/MockState.ts:18–19

(from: string, moduleID: string)

const unmockRegExpCache = new WeakMap<Config.ProjectConfig, RegExp>();

const transitiveCacheKey = (from: string, moduleID: string) =>
  `${from}\0${moduleID}`;

export type MockDecision = {shouldMock: boolean; moduleID: string};