diff --git a/javascript/package.json b/javascript/package.json
index 0b0e56e7..90289f3e 100644
--- a/javascript/package.json
+++ b/javascript/package.json
@@ -14,16 +14,12 @@
     "bdd"
   ],
   "license": "MIT",
-  "exports": {
-    ".": {
-      "import": "./dist/es/index.js",
-      "default": "./dist/lib/index.js"
-    }
+  "type": "module",
+  "exports": "./dist/src/index.js",
+  "engines": {
+    "node": ">=16"
   },
-  "main": "./dist/lib/index.js",
-  "jsnext:main": "./dist/es/index.js",
-  "module": "./dist/es/index.js",
-  "types": "./dist/es/index.d.ts",
+  "types": "./dist/src/index.d.ts",
   "sideEffects": false,
   "repository": {
     "type": "git",
@@ -33,10 +29,9 @@
     "prepublish": "npm run build",
     "lint": "tslint --project .",
     "lint:fix": "tslint --project . --fix",
-    "transpile": "tsc -p ./ --module commonjs && echo '# transpile es5 (require) sucess!'",
-    "transpile:es": "tsc -p ./ --outDir ./dist/es && echo '# transpile es (modules) sucess!'",
+    "transpile": "tsc -p ./ && echo '# transpile es (modules) sucess!'",
     "transpile:removegen": "rimraf -r ./dist/lib/truth-table-generator && rimraf -r ./dist/es/truth-table-generator",
-    "build": "rimraf -r ./dist && npm run transpile && npm run transpile:es && npm run transpile:removegen",
+    "build": "rimraf -r ./dist && npm run transpile && npm run transpile:removegen",
     "dry": "npm pack --dry-run",
     "test": "mocha -r ts-node/register test/unit/index.test.ts --timeout 50000 --bail",
     "dev": "mocha -r ts-node/register test/unit/index.test.ts  --watch --watch-extensions ts",
@@ -59,7 +54,7 @@
     "clone": "2.1.2",
     "deep-equal": "2.2.2",
     "faker": "5.5.3",
-    "minimongo": "6.8.3",
+    "minimongo": "6.15.1",
     "mocha": "10.2.0",
     "pouchdb-selector-core": "8.0.1",
     "read-last-lines": "1.8.0",
diff --git a/javascript/src/truth-table-generator/binary-state.ts b/javascript/src/truth-table-generator/binary-state.ts
index 194d65bb..cfe7e8c2 100644
--- a/javascript/src/truth-table-generator/binary-state.ts
+++ b/javascript/src/truth-table-generator/binary-state.ts
@@ -48,7 +48,7 @@ export function oppositeBinary(i: string): string {
 }
 
 export function stateSetToObject(stateSet: StateSet): any {
-    const ret = {};
+    const ret: any = {};
     let i = 0;
     orderedStateList.forEach(s => {
         ret[s] = stateSet[i];
diff --git a/javascript/src/truth-table-generator/data-generator.ts b/javascript/src/truth-table-generator/data-generator.ts
index 0437d9e1..b6704aff 100644
--- a/javascript/src/truth-table-generator/data-generator.ts
+++ b/javascript/src/truth-table-generator/data-generator.ts
@@ -34,7 +34,7 @@ export function randomHuman(partial?: Partial<Human>): Human {
   };
   if (partial) {
     Object.entries(partial).forEach(([k, v]) => {
-      ret[k] = v;
+      (ret as any)[k] = v;
     });
   }
 
@@ -59,7 +59,7 @@ export function randomChangeHuman(input: Human): Human {
   const cloned: Human = Object.assign({}, input);
 
   const field = fakerDatatype.number({ min: 1, max: 3 });
-  keyToChangeFn[field](cloned);
+  (keyToChangeFn as any)[field](cloned);
 
   return cloned;
 }
@@ -84,7 +84,7 @@ export function randomChangeEvent(
   const randomOp = randomOfArray(ops);
 
   const operation = allDocs.length === 0 ? 'INSERT' : randomOp;
-  let ret;
+  let ret: any;
   switch (operation) {
     case 'INSERT':
       const newDoc = randomHuman();
diff --git a/javascript/src/truth-table-generator/minimongo-helper.ts b/javascript/src/truth-table-generator/minimongo-helper.ts
index 2c4d3d71..94ec6f2c 100644
--- a/javascript/src/truth-table-generator/minimongo-helper.ts
+++ b/javascript/src/truth-table-generator/minimongo-helper.ts
@@ -5,11 +5,11 @@ import {
 import {
     compileDocumentSelector,
     compileSort
-} from 'minimongo/src/selector';
+} from 'minimongo/lib/selector.js';
 export {
     compileDocumentSelector,
     compileSort
-} from 'minimongo/src/selector';
+} from 'minimongo/lib/selector.js';
 import {
     randomString
 } from 'async-test-util';
diff --git a/javascript/src/util.ts b/javascript/src/util.ts
index 74377bd3..b5f65bc6 100644
--- a/javascript/src/util.ts
+++ b/javascript/src/util.ts
@@ -40,7 +40,7 @@ export function tryToFillPreviousDoc<DocType>(
                 input.changeEvent.previous = doc;
             }
         } else {
-            const found = input.previousResults.find(item => item[primary] === id);
+            const found = input.previousResults.find(item => (item as any)[primary] === id);
             if (found) {
                 input.changeEvent.previous = found;
             }
@@ -68,7 +68,7 @@ export function getSortFieldsOfQuery(query: MongoQuery): string[] {
     }
     return query.sort.map(maybeArray => {
         if (Array.isArray(maybeArray)) {
-            return maybeArray[0].map(field => normalizeSortField(field));
+            return maybeArray[0].map((field: any) => normalizeSortField(field));
         } else {
             return normalizeSortField(maybeArray);
         }
@@ -85,7 +85,7 @@ export function replaceCharAt(str: string, index: number, replacement: string) {
 export function mapToObject<K, V>(map: Map<K, V>): {
     [k: string]: V
 } {
-    const ret = {};
+    const ret: any = {};
     map.forEach(
         (value: V, key: K) => {
             ret[key as any] = value;
@@ -105,7 +105,7 @@ export function objectToMap<K, V>(object: {
 }
 
 export function cloneMap<K, V>(map: Map<K, V>): Map<K, V> {
-    const ret = new Map();
+    const ret: any = new Map();
     map.forEach(
         (value: V, key: K) => {
             ret[key as any] = value;
diff --git a/javascript/test/helper/input.ts b/javascript/test/helper/input.ts
index 144c6bd7..c866110e 100644
--- a/javascript/test/helper/input.ts
+++ b/javascript/test/helper/input.ts
@@ -1,10 +1,10 @@
 import {
     StateResolveFunctionInput,
     QueryParams
-} from '../../src/types';
-import { Human } from '../../src/truth-table-generator/types';
-import { getQueryParamsByMongoQuery } from '../../src/truth-table-generator/minimongo-helper';
-import { randomChangeEvent } from '../../src/truth-table-generator/data-generator';
+} from '../../src/types/index.js';
+import { Human } from '../../src/truth-table-generator/types.js';
+import { getQueryParamsByMongoQuery } from '../../src/truth-table-generator/minimongo-helper.js';
+import { randomChangeEvent } from '../../src/truth-table-generator/data-generator.js';
 
 export function getExampleStateResolveFunctionInput(): StateResolveFunctionInput<Human> {
     const queryParams: QueryParams<Human> = getQueryParamsByMongoQuery({
@@ -17,4 +17,4 @@ export function getExampleStateResolveFunctionInput(): StateResolveFunctionInput
         queryParams
     };
 
-}
\ No newline at end of file
+}
diff --git a/javascript/test/unit/actions.test.ts b/javascript/test/unit/actions.test.ts
index c519513e..f05fe7c8 100644
--- a/javascript/test/unit/actions.test.ts
+++ b/javascript/test/unit/actions.test.ts
@@ -2,17 +2,17 @@ import * as assert from 'assert';
 import {
     orderedActionList,
     actionFunctions
-} from '../../src/actions';
+} from '../../src/actions/index.js';
 import {
     ActionFunction,
     ActionName,
     ActionFunctionInput,
     ResultKeyDocumentMap
-} from '../../src/types';
-import { randomChangeEvent, randomHuman, randomHumans } from '../../src/truth-table-generator/data-generator';
-import { getQueryParamsByMongoQuery } from '../../src/truth-table-generator/minimongo-helper';
-import { Human } from '../../src/truth-table-generator/types';
-import { insertFirst, insertLast, removeExisting, insertAtSortPosition } from '../../src/actions/action-functions';
+} from '../../src/types/index.js';
+import { randomChangeEvent, randomHuman, randomHumans } from '../../src/truth-table-generator/data-generator.js';
+import { getQueryParamsByMongoQuery } from '../../src/truth-table-generator/minimongo-helper.js';
+import { Human } from '../../src/truth-table-generator/types.js';
+import { insertFirst, insertLast, removeExisting, insertAtSortPosition } from '../../src/actions/action-functions.js';
 
 export function docsToMap<DocType>(
     primary: string,
@@ -20,7 +20,7 @@ export function docsToMap<DocType>(
 ): ResultKeyDocumentMap<DocType> {
     const map: ResultKeyDocumentMap<DocType> = new Map();
     docs.forEach(doc => {
-        map.set(doc[primary], doc);
+        map.set((doc as any)[primary], doc);
     });
     return map;
 }
@@ -48,7 +48,7 @@ export function runCheckedAction<DocType = any>(
 
     // ensure correct all docs are also in key-doc-map
     input.previousResults.forEach(doc => {
-        const mapDoc = (input.keyDocumentMap as ResultKeyDocumentMap<DocType>).get(doc[primary]);
+        const mapDoc = (input.keyDocumentMap as ResultKeyDocumentMap<DocType>).get((doc as any)[primary]);
         assert.ok(mapDoc);
         assert.deepStrictEqual(doc, mapDoc);
     });
diff --git a/javascript/test/unit/binary-state.test.ts b/javascript/test/unit/binary-state.test.ts
index 9125da0a..06b34105 100644
--- a/javascript/test/unit/binary-state.test.ts
+++ b/javascript/test/unit/binary-state.test.ts
@@ -5,11 +5,11 @@ import {
     decimalToPaddedBinary,
     binaryToDecimal,
     LAST_STATE_SET
-} from '../../src/truth-table-generator/binary-state';
+} from '../../src/truth-table-generator/binary-state.js';
 import {
     orderedStateList
-} from '../../src/states';
-import { StateSet } from '../../src/types';
+} from '../../src/states/index.js';
+import { StateSet } from '../../src/types/index.js';
 
 
 describe('binary-state.test.ts', () => {
diff --git a/javascript/test/unit/calculate-bdd-quality.test.ts b/javascript/test/unit/calculate-bdd-quality.test.ts
index 84879af0..95c17653 100644
--- a/javascript/test/unit/calculate-bdd-quality.test.ts
+++ b/javascript/test/unit/calculate-bdd-quality.test.ts
@@ -8,21 +8,21 @@ import {
     measurePerformanceOfStateFunctions,
     countFunctionUsages,
     getQualityOfBdd
-} from '../../src/truth-table-generator/calculate-bdd-quality';
+} from '../../src/truth-table-generator/calculate-bdd-quality.js';
 import {
     orderedStateList
-} from '../../src/states';
-import { StateActionIdMap } from '../../src/truth-table-generator/types';
-import { OUTPUT_TRUTH_TABLE_PATH } from '../../src/truth-table-generator/config';
-import { readJsonFile } from '../../src/truth-table-generator/util';
-import { objectToMap } from '../../src';
-import { orderedActionList } from '../../src/actions';
+} from '../../src/states/index.js';
+import { StateActionIdMap } from '../../src/truth-table-generator/types.js';
+import { OUTPUT_TRUTH_TABLE_PATH } from '../../src/truth-table-generator/config.js';
+import { readJsonFile } from '../../src/truth-table-generator/util.js';
+import { objectToMap } from '../../src/index.js';
+import { orderedActionList } from '../../src/actions/index.js';
 import {
     DEFAULT_EXAMPLE_QUERY
-} from '../../src/truth-table-generator/queries';
+} from '../../src/truth-table-generator/queries.js';
 import {
     insertFiveSorted
-} from '../../src/truth-table-generator/procedures';
+} from '../../src/truth-table-generator/procedures.js';
 
 describe('calculate-bdd-quality.test.ts', () => {
     const unknownValueActionId: number = 42;
diff --git a/javascript/test/unit/fuzzing.test.ts b/javascript/test/unit/fuzzing.test.ts
index a83d9b4a..17651182 100644
--- a/javascript/test/unit/fuzzing.test.ts
+++ b/javascript/test/unit/fuzzing.test.ts
@@ -1,8 +1,8 @@
 import * as assert from 'assert';
 
-import { fuzzing } from '../../src/truth-table-generator/fuzzing';
-import { orderedActionList } from '../../src/actions';
-import { StateActionIdMap } from '../../src/truth-table-generator/types';
+import { fuzzing } from '../../src/truth-table-generator/fuzzing.js';
+import { orderedActionList } from '../../src/actions/index.js';
+import { StateActionIdMap } from '../../src/truth-table-generator/types.js';
 
 describe('fuzzing.test.ts', () => {
 
diff --git a/javascript/test/unit/generated-stuff.test.ts b/javascript/test/unit/generated-stuff.test.ts
index 50b8c0cc..688560d5 100644
--- a/javascript/test/unit/generated-stuff.test.ts
+++ b/javascript/test/unit/generated-stuff.test.ts
@@ -10,35 +10,35 @@ import {
 import {
     orderedStateList,
     stateResolveFunctions
-} from '../../src/states';
+} from '../../src/states/index.js';
 import {
     objectToMap
-} from '../../src/util';
+} from '../../src/util.js';
 import {
     readJsonFile
-} from '../../src/truth-table-generator/util';
-import { OUTPUT_TRUTH_TABLE_PATH } from '../../src/truth-table-generator/config';
-import { StateActionIdMap, Human } from '../../src/truth-table-generator/types';
-import { getSimpleBdd } from '../../src/bdd/bdd.generated';
+} from '../../src/truth-table-generator/util.js';
+import { OUTPUT_TRUTH_TABLE_PATH } from '../../src/truth-table-generator/config.js';
+import { StateActionIdMap, Human } from '../../src/truth-table-generator/types.js';
+import { getSimpleBdd } from '../../src/bdd/bdd.generated.js';
 import {
     StateResolveFunctionInput,
     QueryParams,
     MongoQuery,
     ChangeEvent
-} from '../../src/types';
+} from '../../src/types/index.js';
 import {
     getQueryParamsByMongoQuery,
     getMinimongoCollection,
     applyChangeEvent,
     minimongoFind,
     minimongoUpsert
-} from '../../src/truth-table-generator/minimongo-helper';
-import { randomHuman } from '../../src/truth-table-generator/data-generator';
-import { calculateActionName, calculateActionFromMap, runAction } from '../../src/index';
-import { getQueryVariations } from '../../src/truth-table-generator/queries';
-import { getTestProcedures, oneThatWasCrashing } from '../../src/truth-table-generator/procedures';
+} from '../../src/truth-table-generator/minimongo-helper.js';
+import { randomHuman } from '../../src/truth-table-generator/data-generator.js';
+import { calculateActionName, calculateActionFromMap, runAction } from '../../src/index.js';
+import { getQueryVariations } from '../../src/truth-table-generator/queries.js';
+import { getTestProcedures, oneThatWasCrashing } from '../../src/truth-table-generator/procedures.js';
 import deepEqual = require('deep-equal');
-import { orderedActionList } from '../../src/actions';
+import { orderedActionList } from '../../src/actions/index.js';
 
 
 describe('generated-stuff.test.ts', () => {
@@ -113,7 +113,7 @@ describe('generated-stuff.test.ts', () => {
             const sortedResolvers = {};
             orderedStateList.forEach((stateName, index) => {
                 const fn = stateResolveFunctions[stateName];
-                sortedResolvers[index] = (i: any) => {
+                (sortedResolvers as any)[index] = (i: any) => {
                     const ret = fn(i);
                     // console.log('resolve: ' + index + ' returned ' + ret);
                     return ret;
diff --git a/javascript/test/unit/index.test.ts b/javascript/test/unit/index.test.ts
index 8d630499..2c37245d 100644
--- a/javascript/test/unit/index.test.ts
+++ b/javascript/test/unit/index.test.ts
@@ -1,12 +1,12 @@
 console.log('### starting unit-tests ###');
-import './minimongo.test';
-import './actions.test';
-import './states.test';
-import './binary-state.test';
-import './queries.test';
-import './fuzzing.test';
-import './calculate-bdd-quality.test';
-import './truth-table-generator.test';
+import './minimongo.test.js';
+import './actions.test.js';
+import './states.test.js';
+import './binary-state.test.js';
+import './queries.test.js';
+import './fuzzing.test.js';
+import './calculate-bdd-quality.test.js';
+import './truth-table-generator.test.js';
 
 // should be last
-import './generated-stuff.test';
+import './generated-stuff.test.js';
diff --git a/javascript/test/unit/minimongo.test.ts b/javascript/test/unit/minimongo.test.ts
index 066ffd4d..0eec04af 100644
--- a/javascript/test/unit/minimongo.test.ts
+++ b/javascript/test/unit/minimongo.test.ts
@@ -2,16 +2,16 @@ import * as assert from 'assert';
 
 import {
     randomHuman, randomHumans
-} from '../../src/truth-table-generator/data-generator';
+} from '../../src/truth-table-generator/data-generator.js';
 
 import {
     getMinimongoCollection,
     minimongoUpsert,
     minimongoFind,
     compileSort
-} from '../../src/truth-table-generator/minimongo-helper';
+} from '../../src/truth-table-generator/minimongo-helper.js';
 import { clone } from 'async-test-util';
-import { MongoQuery } from '../../src';
+import { MongoQuery } from '../../src/index.js';
 
 /**
  * sometimes we think stuff is wrong with minimongo
diff --git a/javascript/test/unit/queries.test.ts b/javascript/test/unit/queries.test.ts
index e873a68e..d65fa2b4 100644
--- a/javascript/test/unit/queries.test.ts
+++ b/javascript/test/unit/queries.test.ts
@@ -5,7 +5,7 @@ import {
     SKIP_VARIATIONS,
     LIMIT_VARIATIONS,
     SORT_VARIATION
-} from '../../src/truth-table-generator/queries';
+} from '../../src/truth-table-generator/queries.js';
 
 describe('queries-state.test.ts', () => {
     it('should have all query variations', () => {
diff --git a/javascript/test/unit/states.test.ts b/javascript/test/unit/states.test.ts
index d7ca8d99..72defc82 100644
--- a/javascript/test/unit/states.test.ts
+++ b/javascript/test/unit/states.test.ts
@@ -4,9 +4,9 @@ import {
     stateResolveFunctions,
     getStateSet,
     stateResolveFunctionByIndex
-} from '../../src/states';
-import { getExampleStateResolveFunctionInput } from '../helper/input';
-import { StateResolveFunctionInput } from '../../src/types';
+} from '../../src/states/index.js';
+import { getExampleStateResolveFunctionInput } from '../helper/input.js';
+import { StateResolveFunctionInput } from '../../src/types/index.js';
 import { clone } from 'async-test-util';
 import {
     wasSortedAfterLast,
@@ -16,10 +16,10 @@ import {
     wasLimitReached,
     wasMatching,
     isSortedBeforeFirst
-} from '../../src/states/state-resolver';
-import { randomHuman } from '../../src/truth-table-generator/data-generator';
-import { getQueryParamsByMongoQuery } from '../../src/truth-table-generator/minimongo-helper';
-import { Human } from '../../src/truth-table-generator/types';
+} from '../../src/states/state-resolver.js';
+import { randomHuman } from '../../src/truth-table-generator/data-generator.js';
+import { getQueryParamsByMongoQuery } from '../../src/truth-table-generator/minimongo-helper.js';
+import { Human } from '../../src/truth-table-generator/types.js';
 
 describe('states.test.ts', () => {
     describe('basic', () => {
diff --git a/javascript/test/unit/truth-table-generator.test.ts b/javascript/test/unit/truth-table-generator.test.ts
index 1f545de4..99df985a 100644
--- a/javascript/test/unit/truth-table-generator.test.ts
+++ b/javascript/test/unit/truth-table-generator.test.ts
@@ -1,16 +1,15 @@
 import * as assert from 'assert';
 
-import { Human } from '../../src/truth-table-generator/types';
-import { clone } from 'async-test-util';
-import { oneThatWasCrashing } from '../../src/truth-table-generator/procedures';
-import { generateTruthTable } from '../../src/truth-table-generator';
+import { Human } from '../../src/truth-table-generator/types.js';
+import { oneThatWasCrashing } from '../../src/truth-table-generator/procedures.js';
+import { generateTruthTable } from '../../src/truth-table-generator/index.js';
 import {
     getMinimongoCollection,
     minimongoFind, applyChangeEvent,
     getQueryParamsByMongoQuery
-} from '../../src/truth-table-generator/minimongo-helper';
-import { StateResolveFunctionInput, MongoQuery } from '../../src/types';
-import { calculateActionFromMap } from '../../src';
+} from '../../src/truth-table-generator/minimongo-helper.js';
+import { StateResolveFunctionInput, MongoQuery } from '../../src/types/index.js';
+import { calculateActionFromMap } from '../../src/index.js';
 
 /**
  * sometimes we think stuff is wrong with minimongo
diff --git a/javascript/tsconfig.json b/javascript/tsconfig.json
index b10fa0af..af77cf14 100644
--- a/javascript/tsconfig.json
+++ b/javascript/tsconfig.json
@@ -1,19 +1,20 @@
 {
     "compilerOptions": {
+        "module": "NodeNext",
+        "moduleResolution": "NodeNext",
+        "target": "ES2022",
         "removeComments": false,
         "preserveConstEnums": true,
         "sourceMap": true,
         "strictNullChecks": true,
-        "noImplicitAny": false,
+        "noImplicitAny": true,
         "strict": true,
         "noImplicitReturns": true,
         "noImplicitThis": true,
         "downlevelIteration": true,
-        "declaration": true,
-        "moduleResolution": "node",
         "esModuleInterop": true,
-        "target": "ES2017",
-        "outDir": "./dist/lib",
+        "declaration": true,
+        "outDir": "./dist",
         "lib": [
             "es7",
             "dom"
@@ -24,7 +25,8 @@
         "tabSize": 2
     },
     "include": [
-        "src"
+        "src",
+        "test"
     ],
     "exclude": [
         "node_modules",