initial commit

jest.config.js

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+/** @type {import('ts-jest').JestConfigWithTsJest} */
+export default {
+  preset: "ts-jest/presets/default-esm", // important for ESM
+  testEnvironment: "node",
+  testPathIgnorePatterns: ["/node_modules/", "/dist/"],
+  globals: {
+    "ts-jest": {
+      useESM: true, // enable ESM in ts-jest
+      tsconfig: "tsconfig.json",
+    },
+  },
+  extensionsToTreatAsEsm: [".ts"], // treat TypeScript files as ESM
+  moduleNameMapper: {
+    "^(\\.{1,2}/.*)\\.js$": "$1", // fix import extensions in ESM
+  },
+  transform: {
+    "^.+\\.tsx?$": ["ts-jest", { useESM: true }],
+  },
+  testTimeout: 50000,
+};