Fix Jest ESM compatibility

Author: htunnicliff

babel.config.js

@@ -0,0 +1,6 @@
+{
+  "presets": [
+    ["@babel/preset-env", { "targets": { "node": "12" } }],
+    "@babel/preset-typescript"
+  ]
+}

babel.config.json

@@ -1,6 +1,5 @@
-import { Config } from "@jest/types";
-
-const config: Config.InitialOptions = {
+/** @type {import("@jest/types").Config.InitialOptions} */
+export default {
   clearMocks: true,
   collectCoverage: true,
   collectCoverageFrom: ["lib/**"],
@@ -9,8 +8,7 @@ const config: Config.InitialOptions = {
   coverageReporters: ["text", "json"],
   testEnvironment: "node",
   testMatch: ["**/*.spec.ts"],
+  resolver: "jest-ts-webcompat-resolver",
   setupFilesAfterEnv: ["jest-extended"],
   verbose: true,
 };
-
-export default config;

jest.config.ts renamed to jest.config.js

@@ -45,6 +45,7 @@
     "cors": "^2.8.5",
     "jest": "^27.4.7",
     "jest-extended": "^0.11.5",
+    "jest-ts-webcompat-resolver": "^1.0.0",
     "next": ">=10",
     "ts-node": "^10.4.0",
     "typescript": "^4.5.5"

package.json

@@ -3576,6 +3576,11 @@ jest-snapshot@^27.4.6:
     pretty-format "^27.4.6"
     semver "^7.3.2"
 
+jest-ts-webcompat-resolver@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/jest-ts-webcompat-resolver/-/jest-ts-webcompat-resolver-1.0.0.tgz#a554eb77446e1a8d2aabb810d6302bffaa00095c"
+  integrity sha512-BFoaU7LeYqZNnTYEr6iMRf87xdCQntNc/Wk8YpzDBcuz+CIZ0JsTtzuMAMnKiEgTRTC1wRWLUo2RlVjVijBcHQ==
+
 jest-util@^27.4.2:
   version "27.4.2"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-27.4.2.tgz#ed95b05b1adfd761e2cda47e0144c6a58e05a621"