chore: migrate to @swc/jest for tests

docs/src/content/docs/guides/using-jest.mdx

@@ -14,18 +14,27 @@ To get started with [Jest](https://jestjs.io), install the relevant packages usi
 
 <Tabs>
   <TabItem label="npm" icon="npm">
-    <Code lang="shell" code="npm i -D jest @types/jest @types/node ts-jest" />
+    <Code
+      lang="shell"
+      code="npm i -D jest @types/jest @types/node @swc/core @swc/jest"
+    />
   </TabItem>
   <TabItem label="pnpm" icon="pnpm">
-    <Code lang="shell" code="pnpm i -D jest @types/jest @types/node ts-jest" />
+    <Code
+      lang="shell"
+      code="pnpm i -D jest @types/jest @types/node @swc/core @swc/jest"
+    />
   </TabItem>
   <TabItem label="bun" icon="bun">
-    <Code lang="shell" code="bun add -d jest @types/jest @types/node ts-jest" />
+    <Code
+      lang="shell"
+      code="bun add -d jest @types/jest @types/node @swc/core @swc/jest"
+    />
   </TabItem>
   <TabItem label="yarn" icon="seti:yarn">
     <Code
       lang="shell"
-      code="yarn add -D jest @types/jest @types/node ts-jest"
+      code="yarn add -D jest @types/jest @types/node @swc/core @swc/jest"
     />
   </TabItem>
 </Tabs>
@@ -76,7 +85,9 @@ import type { Config } from 'jest';
 
 const config: Config = {
   watch: false,
-  preset: 'ts-jest/presets/js-with-ts',
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   testEnvironment: 'node',
   globalSetup: '<rootDir>/global-setup.ts',
   globalTeardown: '<rootDir>/global-teardown.ts',
@@ -86,7 +97,7 @@ const config: Config = {
 export default config;
 ```
 
-You can also check out the official the [`ts-jest` documentation](https://kulshekhar.github.io/ts-jest/docs/) for more information on configuring this file.
+You can also check out the official the [`@swc/jest` documentation](https://swc.rs/docs/usage/jest) for more information on configuring this file.
 
 Then, add a `test` script to your `package.json`:
 

examples/clock/tests/jest.config.ts

@@ -2,7 +2,9 @@ import type { Config } from 'jest';
 
 const config: Config = {
   watch: false,
-  preset: 'ts-jest/presets/js-with-ts',
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   testEnvironment: 'node',
   globalSetup: '<rootDir>/global-setup.ts',
   globalTeardown: '<rootDir>/global-teardown.ts',

examples/google_search/tests/jest.config.ts

@@ -2,7 +2,9 @@ import type { Config } from 'jest';
 
 const config: Config = {
   watch: false,
-  preset: 'ts-jest/presets/js-with-ts',
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   testEnvironment: 'node',
   globalSetup: '<rootDir>/global-setup.ts',
   globalTeardown: '<rootDir>/global-teardown.ts',

examples/icp_features/tests/jest.config.ts

@@ -2,7 +2,9 @@ import type { Config } from 'jest';
 
 const config: Config = {
   watch: false,
-  preset: 'ts-jest/presets/js-with-ts',
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   testEnvironment: 'node',
   globalSetup: '<rootDir>/global-setup.ts',
   globalTeardown: '<rootDir>/global-teardown.ts',

examples/multicanister/tests/jest.config.ts

@@ -2,7 +2,9 @@ import type { Config } from 'jest';
 
 const config: Config = {
   watch: false,
-  preset: 'ts-jest/presets/js-with-ts',
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   testEnvironment: 'node',
   globalSetup: '<rootDir>/global-setup.ts',
   globalTeardown: '<rootDir>/global-teardown.ts',

examples/nns_proxy/tests/jest.config.ts

@@ -2,7 +2,9 @@ import type { Config } from 'jest';
 
 const config: Config = {
   watch: false,
-  preset: 'ts-jest/presets/js-with-ts',
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   testEnvironment: 'node',
   globalSetup: '<rootDir>/global-setup.ts',
   globalTeardown: '<rootDir>/global-teardown.ts',

examples/todo/tests/jest.config.ts

@@ -2,7 +2,9 @@ import type { Config } from 'jest';
 
 const config: Config = {
   watch: false,
-  preset: 'ts-jest/presets/js-with-ts',
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   testEnvironment: 'node',
   globalSetup: '<rootDir>/global-setup.ts',
   globalTeardown: '<rootDir>/global-teardown.ts',

package.json

@@ -49,14 +49,15 @@
     "@dfinity/candid": "^3.2.4",
     "@dfinity/identity": "^3.2.4",
     "@dfinity/principal": "^3.2.4",
+    "@swc/core": "^1.15.3",
+    "@swc/jest": "^0.2.39",
     "@tsconfig/node24": "^24.0.3",
     "@types/jest": "^29.5.14",
     "@types/node": "^22.13.10",
     "bip39": "^3.1.0",
-    "jest": "^29.7.0",
+    "jest": "^30.2.0",
     "npm-run-all": "^4.1.5",
     "prettier": "3.4.1",
-    "ts-jest": "^29.2.6",
     "ts-node": "^10.9.2",
     "typescript": "^5.8.2",
     "vitest": "^4.0.15"

packages/pic/jest.config.ts

@@ -1,10 +1,9 @@
 import type { Config } from 'jest';
-import { createJsWithTsPreset } from 'ts-jest';
 
 const config: Config = {
-  ...createJsWithTsPreset({
-    tsconfig: '<rootDir>/tsconfig.test.json',
-  }),
+  transform: {
+    '^.+\\.(t|j)sx?$': '@swc/jest',
+  },
   watch: false,
   testEnvironment: 'node',
   globalSetup: '<rootDir>/tests/global-setup.ts',