fix jest configurations

Author: masl2

internal/events/package.json

@@ -8,12 +8,12 @@
     "@stoplight/spectral-cli": "^6.15.0",
     "@stylistic/eslint-plugin": "^3.1.0",
     "@tsconfig/node22": "^22.0.2",
-    "@types/jest": "^29.5.14",
+    "@types/jest": "^30.0.0",
     "@typescript-eslint/eslint-plugin": "^8.27.0",
     "@typescript-eslint/parser": "^8.27.0",
     "eslint": "^9.27.0",
     "eslint-plugin-jest": "^29.0.1",
-    "jest": "^29.7.0",
+    "jest": "^30.2.0",
     "ts-jest": "^29.4.0",
     "ts-node": "^10.9.2",
     "typescript": "^5.9.3"

internal/helpers/package.json

@@ -6,12 +6,12 @@
   "devDependencies": {
     "@stylistic/eslint-plugin": "^3.1.0",
     "@tsconfig/node22": "^22.0.2",
-    "@types/jest": "^29.5.14",
+    "@types/jest": "^30.0.0",
     "@typescript-eslint/eslint-plugin": "^8.27.0",
     "@typescript-eslint/parser": "^8.27.0",
     "eslint": "^9.27.0",
     "eslint-plugin-jest": "^29.0.1",
-    "jest": "^30.1.3",
+    "jest": "^30.2.0",
     "ts-jest": "^29.4.0",
     "ts-node": "^10.9.2",
     "typescript": "^5.9.3"

lambdas/api-handler/jest.config.ts

@@ -1,7 +1,11 @@
-import type { Config } from "jest";
-
-export const baseJestConfig: Config = {
+export const baseJestConfig = {
   preset: "ts-jest",
+  extensionsToTreatAsEsm: [".ts"],
+  transform: {
+    "^.+\\.ts$": ["ts-jest", {
+      useESM: true
+    }]
+  },
 
   // Automatically clear mock calls, instances, contexts and results before every test
   clearMocks: true,
@@ -25,7 +29,6 @@ export const baseJestConfig: Config = {
   },
 
   coveragePathIgnorePatterns: ["/__tests__/"],
-  transform: { "^.+\\.ts$": "ts-jest" },
   testPathIgnorePatterns: [".build"],
   testMatch: ["**/?(*.)+(spec|test).[jt]s?(x)"],
 

lambdas/api-handler/package.json

@@ -7,18 +7,18 @@
     "@aws-sdk/s3-request-presigner": "^3.925.0",
     "@internal/datastore": "*",
     "@internal/helpers": "*",
-    "@types/aws-lambda": "^8.10.148",
     "esbuild": "^0.25.11",
     "pino": "^9.7.0",
     "zod": "^4.1.11"
   },
   "devDependencies": {
     "@tsconfig/node22": "^22.0.2",
-    "@types/jest": "^29.5.14",
+    "@types/aws-lambda": "^8.10.148",
+    "@types/jest": "^30.0.0",
     "jest": "^30.2.0",
     "jest-mock-extended": "^4.0.0",
-    "typescript": "^5.9.3",
-    "zod": "^4.1.11"
+    "ts-jest": "^29.4.0",
+    "typescript": "^5.9.3"
   },
   "name": "nhs-notify-supplier-api-handler",
   "private": true,

lambdas/api-handler/tsconfig.json

@@ -1,5 +1,10 @@
 {
-  "compilerOptions": {},
+  "compilerOptions": {
+    "types": [
+      "jest",
+      "node"
+    ]
+  },
   "extends": "../../tsconfig.base.json",
   "include": [
     "src/**/*",

lambdas/authorizer/jest.config.ts

@@ -1,7 +1,11 @@
-import type { Config } from "jest";
-
-export const baseJestConfig: Config = {
+export const baseJestConfig = {
   preset: "ts-jest",
+  extensionsToTreatAsEsm: [".ts"],
+  transform: {
+    "^.+\\.ts$": ["ts-jest", {
+      useESM: true
+    }]
+  },
 
   // Automatically clear mock calls, instances, contexts and results before every test
   clearMocks: true,
@@ -25,7 +29,6 @@ export const baseJestConfig: Config = {
   },
 
   coveragePathIgnorePatterns: ["/__tests__/"],
-  transform: { "^.+\\.ts$": "ts-jest" },
   testPathIgnorePatterns: [".build"],
   testMatch: ["**/?(*.)+(spec|test).[jt]s?(x)"],
 

lambdas/authorizer/package.json

@@ -3,16 +3,17 @@
     "@aws-sdk/client-dynamodb": "^3.858.0",
     "@aws-sdk/lib-dynamodb": "^3.858.0",
     "@internal/datastore": "*",
-    "@types/aws-lambda": "^8.10.148",
     "esbuild": "^0.25.11",
     "pino": "^9.7.0",
     "zod": "^4.1.11"
   },
   "devDependencies": {
     "@tsconfig/node22": "^22.0.2",
+    "@types/aws-lambda": "^8.10.148",
     "@types/jest": "^30.0.0",
     "jest": "^30.2.0",
     "jest-mock-extended": "^4.0.0",
+    "ts-jest": "^29.4.0",
     "typescript": "^5.9.3"
   },
   "name": "nhs-notify-supplier-authorizer",

lambdas/authorizer/tsconfig.json

@@ -1,5 +1,10 @@
 {
-  "compilerOptions": {},
+  "compilerOptions": {
+    "types": [
+      "jest",
+      "node"
+    ]
+  },
   "extends": "../../tsconfig.base.json",
   "include": [
     "src/**/*",

lambdas/letter-updates-transformer/jest.config.ts

@@ -1,7 +1,11 @@
-import type { Config } from "jest";
-
-export const baseJestConfig: Config = {
+export const baseJestConfig = {
   preset: "ts-jest",
+  extensionsToTreatAsEsm: [".ts"],
+  transform: {
+    "^.+\\.ts$": ["ts-jest", {
+      useESM: true
+    }]
+  },
 
   // Automatically clear mock calls, instances, contexts and results before every test
   clearMocks: true,
@@ -25,7 +29,6 @@ export const baseJestConfig: Config = {
   },
 
   coveragePathIgnorePatterns: ["/__tests__/"],
-  transform: { "^.+\\.ts$": "ts-jest" },
   testPathIgnorePatterns: [".build"],
   testMatch: ["**/?(*.)+(spec|test).[jt]s?(x)"],
 

lambdas/letter-updates-transformer/package.json

@@ -1,13 +1,14 @@
 {
   "dependencies": {
-    "@types/aws-lambda": "^8.10.148",
     "esbuild": "^0.24.0"
   },
   "devDependencies": {
     "@tsconfig/node22": "^22.0.2",
+    "@types/aws-lambda": "^8.10.148",
     "@types/jest": "^30.0.0",
     "jest": "^30.2.0",
     "jest-mock-extended": "^4.0.0",
+    "ts-jest": "^29.4.0",
     "typescript": "^5.8.3"
   },
   "name": "nhs-notify-supplier-api-letter-updates-transformer",