wip

napi/transform/__tests__/index.spec.ts

@@ -0,0 +1,5 @@
+const sum = (a, b) => a + b
+
+test('sum', (t) => {
+  expect(sum(1, 2)).toBe(3)
+})

napi/transform/jest.config.js

@@ -0,0 +1,200 @@
+/**
+ * For a detailed explanation regarding each configuration property, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+/** @type {import('jest').Config} */
+const config = {
+  // 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/jv/1jqrnpqx03s7yj76s5m7q7_r0000gn/T/jest_dx",
+
+  // Automatically clear mock calls, instances, contexts and results before every test
+  clearMocks: true,
+
+  // Indicates whether the coverage information should be collected while executing the test
+  // collectCoverage: false,
+
+  // An array of glob patterns indicating a set of files for which coverage information should be collected
+  // collectCoverageFrom: undefined,
+
+  // The directory where Jest should output its coverage files
+  // coverageDirectory: undefined,
+
+  // 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",
+
+  // A list of reporter names that Jest uses when writing coverage reports
+  // coverageReporters: [
+  //   "json",
+  //   "text",
+  //   "lcov",
+  //   "clover"
+  // ],
+
+  // An object that configures minimum threshold enforcement for coverage results
+  // coverageThreshold: undefined,
+
+  // A path to a custom dependency extractor
+  // dependencyExtractor: undefined,
+
+  // Make calling deprecated APIs throw helpful error messages
+  // errorOnDeprecated: false,
+
+  // The default configuration for fake timers
+  // fakeTimers: {
+  //   "enableGlobally": 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",
+  //   "mjs",
+  //   "cjs",
+  //   "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: undefined,
+
+  // Run tests from one or more projects
+  // projects: undefined,
+
+  // Use this configuration option to add custom reporters to Jest
+  // reporters: undefined,
+
+  // Automatically reset mock state before every test
+  // resetMocks: false,
+
+  // Reset the module registry before running each individual test
+  // resetModules: false,
+
+  // A path to a custom resolver
+  // resolver: undefined,
+
+  // Automatically restore mock state and implementation before every test
+  // restoreMocks: false,
+
+  // 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__/**/*.[mjt]s?(x)",
+    "**/?(*.)+(spec|test).[mtj]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",
+
+  // A map from regular expressions to paths to transformers
+  transform: {
+    '\\.[tjcm]sx?$': 'oxc-jest'
+  },
+
+  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
+  // transformIgnorePatterns: [
+  //   "/node_modules/",
+  //   "\\.pnp\\.[^\\/]+$"
+  // ],
+
+  // 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,
+};
+
+module.exports = config;

napi/transform/package.json

@@ -26,10 +26,8 @@
   "license": "MIT",
   "devDependencies": {
     "@napi-rs/cli": "^2.18.3",
-    "ava": "^6.0.1"
-  },
-  "ava": {
-    "timeout": "3m"
+    "jest": "^29.7.0",
+    "@types/jest": "^29.5.12"
   },
   "engines": {
     "node": ">= 10"
@@ -40,9 +38,10 @@
     "build:debug": "napi build --platform && yarn postbuild",
     "postbuild": "node bin/typegen-hack.js",
     "prepublishOnly": "napi prepublish -t npm",
-    "test": "ava",
+    "test": "NODE_OPTIONS='--experimental-vm-modules' jest",
     "universal": "napi universal",
     "version": "napi version",
-    "typecheck": "tsc"
+    "typecheck": "tsc",
+    "clean": "rm *.node || true"
   }
 }

package.json

@@ -12,6 +12,7 @@
     },
     "license": "MIT",
     "private": true,
+    "type": "module",
     "packageManager": "[email protected]",
     "workspaces": [
         "napi/*",
@@ -20,7 +21,9 @@
     "scripts": {
         "build": "yarn workspaces foreach -Apt run build",
         "build:debug": "yarn workspaces foreach -Apt run 'build:debug'",
-        "lint": "oxlint --jest-plugin -D correctness -W suspicious -D no-await-in-loop -D no-accumulating-spread -D no-var-requires -D no-var -D throw-new-error"
+        "lint": "oxlint --jest-plugin -D correctness -W suspicious -D no-await-in-loop -D no-accumulating-spread -D no-var-requires -D no-var -D throw-new-error",
+        "clean": "yarn clean:js && cargo clean",
+        "clean:js": "yarn workspaces foreach -A run clean"
     },
     "devDependencies": {
         "oxlint": "^0.4.4",

packages/jest/package.json

@@ -21,11 +21,12 @@
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "tsc",
-    "build:debug": "tsc"
+    "build:debug": "tsc",
+    "clean": "rm -rf dist || true"
   },
   "dependencies": {
     "@jest/create-cache-key-function": "^29.7.0",
-    "@oxc-jest/transform": "file:../../napi/transform",
+    "@oxc-jest/transform": "*",
     "jsonc-parser": "^3.3.1",
     "zod": "^3.23.8"
   },

packages/jest/src/factory.ts

@@ -1,4 +1,4 @@
-import { Transformer, TransformerCreator, TransformerFactory } from '@jest/transform'
+import { Transformer, TransformerCreator } from '@jest/transform'
 import { transform, transformAsync } from '@oxc-jest/transform'
 
 import { Options, Config, createTransformConfig } from './options'
@@ -7,45 +7,32 @@ import createCacheKey from '@jest/create-cache-key-function'
 /**
  * @note this must be exactly named `createTransformer` to be picked up by Jest.
  */
-export const createTransformer: TransformerCreator<Transformer<Options>, Options> = async options => {
-
+export const createTransformer: TransformerCreator<
+    Transformer<Options>,
+    Options
+> = async options => {
     const config: Config = await createTransformConfig(options)
-    console.log('[oxc-jest] createTransformer')
-    console.log(config)
     const getCacheKey = createCacheKey(
         // files that affect computed cache key
         ['package.json', 'tsconfig.json'],
         // values that affect computed cache key
         [JSON.stringify(config)]
     )
 
-    const IS_TS = /\.tsx?$/
-    const isTs = (path: string) => IS_TS.test(path)
-    console.log('[oxc-jest] called')
     return {
         canInstrument: false,
         getCacheKey: getCacheKey as Transformer<Options>['getCacheKey'],
-        process(sourceText, sourcePath, jestOptions) {
-            console.log('[oxc-jest] process', sourcePath)
-            const { sourceText: code, sourceMap: map } = transform(sourcePath, sourceText)
-            if (isTs(sourcePath)) {
-                console.log('[oxc-jest] process ts:', sourcePath)
-                console.log(code)
-            }
+        process(sourceText, sourcePath, _jestOptions) {
+            const { sourceText: code, sourceMap: _map } = transform(sourcePath, sourceText)
             return { code, map: undefined }
         },
-        async processAsync(sourceText, sourcePath, jestOptions) {
-            console.log('[oxc-jest] processAsync', sourcePath)
-            const { sourceText: code, sourceMap: map } = await transformAsync(
+        async processAsync(sourceText, sourcePath, _jestOptions) {
+            const { sourceText: code, sourceMap: _map } = await transformAsync(
                 sourcePath,
                 sourceText,
                 config
             )
-            if (isTs(sourcePath)) {
-                console.log('[oxc-jest] processAsync:', sourcePath)
-                console.log(code)
-            }
-            return { code , map: undefined }
+            return { code, map: undefined }
         },
     } satisfies Transformer<Options>
 }

packages/jest/src/merge.ts

@@ -9,8 +9,8 @@ type DeepMerge<T extends AnyRecord, U extends AnyRecord> = {
                 : U[K]
             : U[K]
         : K extends keyof T
-        ? T[K]
-        : never
+          ? T[K]
+          : never
 }
 
 /**

packages/jest/src/options.ts

@@ -30,22 +30,31 @@ const OptionsSchema = z.object({
                     }
                 }),
         })
-        .optional().default({ runtime: 'automatic', jsxPlugin: false }),
+        .optional()
+        .default({ runtime: 'automatic', jsxPlugin: false }),
 
-    codegen: z.object({
-        compress: z.union([
-            z.boolean(),
-            z.enum(['none', 'whitespace', 'fold']).transform(compress => {
-                switch (compress) {
-                    case 'none': return 0
-                    case 'whitespace': return 1
-                    case 'fold': return 2
-                    default: return 0
-                }
-            })
-        ]).default('none'),
-        sourceMap: z.boolean().default(true)
-    }).default({})
+    codegen: z
+        .object({
+            compress: z
+                .union([
+                    z.boolean(),
+                    z.enum(['none', 'whitespace', 'fold']).transform(compress => {
+                        switch (compress) {
+                            case 'none':
+                                return 0
+                            case 'whitespace':
+                                return 1
+                            case 'fold':
+                                return 2
+                            default:
+                                return 0
+                        }
+                    }),
+                ])
+                .default('none'),
+            sourceMap: z.boolean().default(true),
+        })
+        .default({}),
 })
 
 /**