fix(jest-config): Removing @swc/core from dependencies (#177)

downgrade @swc/core requirements due to TypeStrong/ts-node#2070
update config generation

Makefile

@@ -20,5 +20,5 @@ update:
 	npx ncu -ws --root -u
 clean-build: clear build
 clear:
-	npx -y rimraf node_modules
+	npx -y rimraf -rf node_modules
 	npx -y lerna run clean

packages/jest-config/package.json

@@ -42,12 +42,15 @@
     "devDependencies": {
         "@aklesky/eslint-config": "0.7.3",
         "@aklesky/prettier-config": "0.7.3",
-        "@aklesky/ts-config": "0.7.3"
+        "@aklesky/ts-config": "0.7.3",
+        "@swc/core": "1.3.82",
+        "@types/jest": "29.5.5"
+    },
+    "peerDependencies": {
+        "@swc/core": ">=1.3.82"
     },
     "dependencies": {
-        "@swc/core": "1.3.90",
         "@swc/jest": "0.2.29",
-        "@types/jest": "29.5.5",
         "jest": "29.7.0"
     }
 }

packages/jest-config/src/base.ts

@@ -0,0 +1,16 @@
+import type { Config } from 'jest'
+import { defaultEsmExtensions, defaultTestMatch, defaultTimeout } from './constants'
+
+export const base: Partial<Config> = {
+    collectCoverage: true,
+    testEnvironment: 'node',
+    extensionsToTreatAsEsm: defaultEsmExtensions,
+    testMatch: defaultTestMatch,
+    moduleNameMapper: {
+        '^(\\.{1,2}/.*)\\.js$': '$1',
+    },
+    testTimeout: defaultTimeout,
+    openHandlesTimeout: defaultTimeout,
+}
+
+export default base

packages/jest-config/src/config.ts

@@ -1,29 +1,11 @@
-import { Config } from 'jest'
+import type { Config } from 'jest'
+import base from './base'
 
-const base: Partial<Config> = {
-    collectCoverage: true,
-    testEnvironment: 'node',
-    extensionsToTreatAsEsm: ['.ts', '.tsx'],
-    testMatch: ['**/__tests__/**/?(*.)+(spec|test).[jt]s?(x)'],
-    transform: {
-        '^.+\\.(t|j)sx?$': [
-            '@swc/jest',
-            {
-                jsc: {
-                    transform: {
-                        react: {
-                            runtime: 'automatic',
-                        },
-                    },
-                },
-            },
-        ],
-    },
-    moduleNameMapper: {
-        '^(\\.{1,2}/.*)\\.js$': '$1',
-    },
-    testTimeout: 30000,
-    openHandlesTimeout: 3000,
+export const defineConfig = (config: Partial<Config>): Partial<Config> => {
+    return {
+        ...base,
+        ...(config || {}),
+    }
 }
 
-export = base
+export default defineConfig

packages/jest-config/src/constants.ts

@@ -0,0 +1,3 @@
+export const defaultTestMatch = ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)']
+export const defaultEsmExtensions = ['.ts', '.tsx']
+export const defaultTimeout = 30000

packages/jest-config/src/index.ts

@@ -1,3 +1,4 @@
-import * as base from './config'
-
-export = base
+export * from './config.js'
+export * from './swc.js'
+export * from './constants.js'
+export * from './interfaces.js'

packages/jest-config/src/interfaces.ts

@@ -0,0 +1,2 @@
+export type * as SWC from '@swc/core'
+export type * as Jest from 'jest'

packages/jest-config/src/swc.ts

@@ -0,0 +1,32 @@
+import { Config as JestConfig } from 'jest'
+import type { Config as SWCConfig } from '@swc/core'
+import { getRootSwc, defineJestTransform } from './utils'
+
+const swc = getRootSwc()
+
+export const withSWC = (config: Partial<SWCConfig>, jest: Partial<JestConfig>): JestConfig => {
+    return {
+        ...jest,
+        ...defineJestTransform('@swc/jest', defineSwcConfiguration(config)),
+    }
+}
+
+export const defineSwcConfiguration = (config: Partial<SWCConfig>): Partial<SWCConfig> => {
+    const options = {
+        ...(swc || {}),
+        ...(config || {}),
+    }
+    return {
+        ...(options || {}),
+        jsc: {
+            ...(options.jsc || {}),
+            transform: {
+                ...(options.jsc?.transform || {}),
+                react: {
+                    runtime: 'automatic',
+                    ...(options.jsc?.transform?.react || {}),
+                },
+            },
+        },
+    }
+}

packages/jest-config/src/utils.ts

@@ -0,0 +1,34 @@
+import type { Config as SWCConfig } from '@swc/core'
+import type { Config as JestConfig } from 'jest'
+import { resolve } from 'path'
+import fs from 'node:fs'
+
+export const getRootSwc = () => {
+    try {
+        const root = process.cwd()
+        const path = resolve(root, '.swcrc')
+        if (!fs.existsSync(path)) {
+            return {}
+        }
+        const content = fs.readFileSync(path, 'utf-8')
+        return JSON.parse(content) as Partial<SWCConfig>
+    } catch (e) {
+        return {}
+    }
+}
+
+export const defineJestTransform = (
+    name: string = 'babel-jest',
+    options?: Record<string, unknown>,
+): Partial<JestConfig> => {
+    return {
+        transform: {
+            '^.+\\.(t|j)sx?$': [
+                name,
+                {
+                    ...(options || {}),
+                },
+            ],
+        },
+    }
+}