/* eslint-env node */ /** @type {import('jest').Config} */ module.exports = { testMatch: ["**/+(*.)+(spec).+(ts)"], // Workaround for a memory leak that crashes tests in CI: // https://github.com/facebook/jest/issues/9430#issuecomment-1149882002 // Also anecdotally improves performance when run locally maxWorkers: 3, transform: { "^.+\\.tsx?$": [ "ts-jest", { // Jest does not use tsconfig.spec.json by default tsconfig: "<rootDir>/tsconfig.spec.json", // Further workaround for memory leak, recommended here: // https://github.com/kulshekhar/ts-jest/issues/1967#issuecomment-697494014 // Makes tests run faster and reduces size/rate of leak, but loses typechecking on test code // See https://bitwarden.atlassian.net/browse/EC-497 for more info isolatedModules: true, astTransformers: { before: ["<rootDir>/../../libs/shared/es2020-transformer.ts"], }, }, ], }, };