Add duplex engine stream

Author: rekmarks

jest.config.js

@@ -2,22 +2,7 @@
  * For a detailed explanation regarding each configuration property and type check, visit:
  * https://jestjs.io/docs/configuration
  */
-
 module.exports = {
-  // All imported modules in your tests should be mocked automatically
-  // automock: false,
-
-  // Stop running tests after `n` failures
-  // bail: 0,
-
-  // The directory where Jest should store its cached dependency information
-  // cacheDirectory: "/private/var/folders/fk/c3y07g0576j8_2s9m01pk4qw0000gn/T/jest_dx",
-
-  // Automatically clear mock calls, instances and results before every test.
-  // This does not remove any mock implementation that may have been provided,
-  // so we disable it.
-  // clearMocks: true,
-
   // Indicates whether the coverage information should be collected while executing the test
   collectCoverage: true,
 
@@ -27,11 +12,6 @@ module.exports = {
   // The directory where Jest should output its coverage files
   coverageDirectory: 'coverage',
 
-  // An array of regexp pattern strings used to skip coverage collection
-  // coveragePathIgnorePatterns: [
-  //   "/node_modules/"
-  // ],
-
   // Indicates which provider should be used to instrument code for coverage
   coverageProvider: 'v8',
 
@@ -41,164 +21,25 @@ module.exports = {
   // An object that configures minimum threshold enforcement for coverage results
   coverageThreshold: {
     global: {
-      branches: 69.23,
-      functions: 88.88,
-      lines: 93.75,
-      statements: 93.75,
+      branches: 81.81,
+      functions: 89.47,
+      lines: 96.64,
+      statements: 96.64,
     },
   },
 
-  // A path to a custom dependency extractor
-  // dependencyExtractor: undefined,
-
-  // Make calling deprecated APIs throw helpful error messages
-  // errorOnDeprecated: false,
-
-  // Force coverage collection from ignored files using an array of glob patterns
-  // forceCoverageMatch: [],
-
-  // A path to a module which exports an async function that is triggered once before all test suites
-  // globalSetup: undefined,
-
-  // A path to a module which exports an async function that is triggered once after all test suites
-  // globalTeardown: undefined,
-
-  // A set of global variables that need to be available in all test environments
-  // globals: {},
-
-  // The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
-  // maxWorkers: "50%",
-
-  // An array of directory names to be searched recursively up from the requiring module's location
-  // moduleDirectories: [
-  //   "node_modules"
-  // ],
-
-  // An array of file extensions your modules use
-  // moduleFileExtensions: [
-  //   "js",
-  //   "jsx",
-  //   "ts",
-  //   "tsx",
-  //   "json",
-  //   "node"
-  // ],
-
-  // A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
-  // moduleNameMapper: {},
-
-  // An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
-  // modulePathIgnorePatterns: [],
-
-  // Activates notifications for test results
-  // notify: false,
-
-  // An enum that specifies notification mode. Requires { notify: true }
-  // notifyMode: "failure-change",
-
   // A preset that is used as a base for Jest's configuration
   preset: 'ts-jest',
 
-  // Run tests from one or more projects
-  // projects: undefined,
-
-  // Use this configuration option to add custom reporters to Jest
-  // reporters: undefined,
-
   // "resetMocks" resets all mocks, including mocked modules, to jest.fn(),
   // between each test case.
   resetMocks: true,
 
-  // Reset the module registry before running each individual test
-  // resetModules: false,
-
-  // A path to a custom resolver
-  // resolver: undefined,
-
   // "restoreMocks" restores all mocks created using jest.spyOn to their
   // original implementations, between each test. It does not affect mocked
   // modules.
   restoreMocks: true,
 
-  // The root directory that Jest should scan for tests and modules within
-  // rootDir: undefined,
-
-  // A list of paths to directories that Jest should use to search for files in
-  // roots: [
-  //   "<rootDir>"
-  // ],
-
-  // Allows you to use a custom runner instead of Jest's default test runner
-  // runner: "jest-runner",
-
-  // The paths to modules that run some code to configure or set up the testing environment before each test
-  // setupFiles: [],
-
-  // A list of paths to modules that run some code to configure or set up the testing framework before each test
-  // setupFilesAfterEnv: [],
-
-  // The number of seconds after which a test is considered as slow and reported as such in the results.
-  // slowTestThreshold: 5,
-
-  // A list of paths to snapshot serializer modules Jest should use for snapshot testing
-  // snapshotSerializers: [],
-
-  // The test environment that will be used for testing
-  // testEnvironment: "jest-environment-node",
-
-  // Options that will be passed to the testEnvironment
-  // testEnvironmentOptions: {},
-
-  // Adds a location field to test results
-  // testLocationInResults: false,
-
-  // The glob patterns Jest uses to detect test files
-  // testMatch: [
-  //   "**/__tests__/**/*.[jt]s?(x)",
-  //   "**/?(*.)+(spec|test).[tj]s?(x)"
-  // ],
-
-  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
-  // testPathIgnorePatterns: [
-  //   "/node_modules/"
-  // ],
-
-  // The regexp pattern or array of patterns that Jest uses to detect test files
-  // testRegex: [],
-
-  // This option allows the use of a custom results processor
-  // testResultsProcessor: undefined,
-
-  // This option allows use of a custom test runner
-  // testRunner: "jest-circus/runner",
-
   // Reduce the default test timeout from 5s to 2.5s
   testTimeout: 2500,
-
-  // This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
-  // testURL: "http://localhost",
-
-  // Setting this value to "fake" allows the use of fake timers for functions such as "setTimeout"
-  // timers: "real",
-
-  // A map from regular expressions to paths to transformers
-  // transform: undefined,
-
-  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
-  // transformIgnorePatterns: [
-  //   "/node_modules/",
-  //   "\\.pnp\\.[^\\/]+$"
-  // ],
-
-  // An array of regexp pattern strings that are matched against all modules before the module loader will automatically return a mock for them
-  // unmockedModulePathPatterns: undefined,
-
-  // Indicates whether each individual test should be reported during the run
-  // verbose: undefined,
-
-  // An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
-  // watchPathIgnorePatterns: [],
-
-  // Whether to use watchman for file crawling
-  // watchman: true,
 };

package.json

@@ -24,7 +24,7 @@
     "test:watch": "jest --watch"
   },
   "dependencies": {
-    "@metamask/safe-event-emitter": "^2.0.0",
+    "@metamask/utils": "^2.1.0",
     "readable-stream": "^2.3.3"
   },
   "devDependencies": {
@@ -48,7 +48,7 @@
     "eslint-plugin-prettier": "^3.3.1",
     "jest": "^27.5.1",
     "jest-it-up": "^2.0.2",
-    "json-rpc-engine": "^6.1.0",
+    "json-rpc-engine": "./json-rpc-engine-6.1.2.tgz",
     "prettier": "^2.2.1",
     "prettier-plugin-packagejson": "^2.2.17",
     "rimraf": "^3.0.2",