diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index 34bc6d2..0000000
--- a/.babelrc
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": ["@babel/plugin-transform-modules-commonjs"]
-}
diff --git a/.eslintrc.yml b/.eslintrc.yml
deleted file mode 100644
index f40ac5c..0000000
--- a/.eslintrc.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-extends: cheminfo
-parserOptions:
-  sourceType: module
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
new file mode 100644
index 0000000..71e0af2
--- /dev/null
+++ b/.github/workflows/nodejs.yml
@@ -0,0 +1,14 @@
+name: Node.js CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  nodejs:
+    # Documentation: https://github.com/zakodium/workflows#nodejs-ci
+    uses: zakodium/workflows/.github/workflows/nodejs.yml@nodejs-v1
+    with:
+      lint-check-types: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..7f5db58
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,16 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    # Documentation: https://github.com/zakodium/workflows#release
+    uses: zakodium/workflows/.github/workflows/release.yml@release-v1
+    with:
+      npm: true
+    secrets:
+      github-token: ${{ secrets.BOT_TOKEN }}
+      npm-token: ${{ secrets.NPM_BOT_TOKEN }}
diff --git a/.github/workflows/typedoc.yml b/.github/workflows/typedoc.yml
new file mode 100644
index 0000000..ff91151
--- /dev/null
+++ b/.github/workflows/typedoc.yml
@@ -0,0 +1,32 @@
+name: Deploy TypeDoc on GitHub pages
+
+on:
+  workflow_dispatch:
+  release:
+    types: [published]
+
+env:
+  NODE_VERSION: 22.x
+  ENTRY_FILE: 'src/index.js'
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+      - name: Install dependencies
+        run: npm install
+      - name: Build documentation
+        uses: zakodium/typedoc-action@v2
+        with:
+          entry: ${{ env.ENTRY_FILE }}
+      - name: Deploy to GitHub pages
+        uses: JamesIves/github-pages-deploy-action@releases/v4
+        with:
+          token: ${{ secrets.BOT_TOKEN }}
+          branch: gh-pages
+          folder: docs
+          clean: true
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..1b763b1
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1 @@
+CHANGELOG.md
diff --git a/.prettierrc.json b/.prettierrc.json
new file mode 100644
index 0000000..04ff376
--- /dev/null
+++ b/.prettierrc.json
@@ -0,0 +1,7 @@
+{
+  "arrowParens": "always",
+  "tabWidth": 2,
+  "singleQuote": true,
+  "semi": true,
+  "trailingComma": "all"
+}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index fbc683e..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-language: node_js
-node_js:
-  - 12
-  - 10
-  - 8
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
diff --git a/History.md b/CHANGELOG.md
similarity index 67%
rename from History.md
rename to CHANGELOG.md
index 39655dd..aacfbf8 100644
--- a/History.md
+++ b/CHANGELOG.md
@@ -1,3 +1,22 @@
+# Changelog
+
+## [3.0.0](https://github.com/mljs/sparse-matrix/compare/v2.1.0...v3.0.0) (2025-05-25)
+
+
+### ⚠ BREAKING CHANGES
+
+* migrate to TypeScript and ESM
+
+### Bug Fixes
+
+* remove docs and build on gh-pages ([9197b3c](https://github.com/mljs/sparse-matrix/commit/9197b3c1eba1a9c2e2f894bdaa5b066563d047c9))
+* remove travis ([4ff4567](https://github.com/mljs/sparse-matrix/commit/4ff45677d1308976a52bc8f583f4772983a5a0f0))
+
+
+### Code Refactoring
+
+* migrate to TypeScript and ESM ([d197546](https://github.com/mljs/sparse-matrix/commit/d19754622b6b96afe3699553bbea8e7e939ce899))
+
 ## [2.1.0](https://github.com/mljs/sparse-matrix/compare/v2.0.0...v2.1.0) (2021-03-03)
 
 
@@ -47,6 +66,3 @@
 
 <a name="0.1.0"></a>
 # 0.1.0 (2016-05-18)
-
-
-
diff --git a/README.md b/README.md
index 733c224..f9aa845 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
-# sparse-matrix
+# ml-sparse-matrix
 
 [![NPM version][npm-image]][npm-url]
-[![build status][travis-image]][travis-url]
 [![coverage status][codecov-image]][codecov-url]
 [![npm download][download-image]][download-url]
 
@@ -16,8 +15,14 @@ Sparse matrix library.
 ```js
 import { SparseMatrix } from 'ml-sparse-matrix';
 
-const matrix1 = new SparseMatrix([[1, 2], [3, 4]]);
-const matrix2 = new SparseMatrix([[0, 5], [6, 7]]);
+const matrix1 = new SparseMatrix([
+  [1, 2],
+  [3, 4],
+]);
+const matrix2 = new SparseMatrix([
+  [0, 5],
+  [6, 7],
+]);
 const product = matrix1.kroneckerProduct(matrix2);
 ```
 
@@ -29,8 +34,6 @@ const product = matrix1.kroneckerProduct(matrix2);
 
 [npm-image]: https://img.shields.io/npm/v/ml-sparse-matrix.svg?style=flat-square
 [npm-url]: https://npmjs.org/package/ml-sparse-matrix
-[travis-image]: https://img.shields.io/travis/mljs/sparse-matrix/master.svg?style=flat-square
-[travis-url]: https://travis-ci.org/mljs/sparse-matrix
 [codecov-image]: https://codecov.io/github/mljs/sparse-matrix/coverage.svg?style=flat-square
 [codecov-url]: https://codecov.io/github/mljs/sparse-matrix
 [download-image]: https://img.shields.io/npm/dm/ml-sparse-matrix.svg?style=flat-square
diff --git a/benchmark/denseMatrix.js b/benchmark/denseMatrix.js
new file mode 100644
index 0000000..afab679
--- /dev/null
+++ b/benchmark/denseMatrix.js
@@ -0,0 +1,18 @@
+import { Matrix } from 'ml-matrix';
+
+let size = 200;
+
+console.time('dense');
+const matrix = new Matrix(size, size).fill(1);
+const matrix2 = new Matrix(size, size).fill(1);
+
+const product = matrix.mmul(matrix2);
+// sum of all the elements
+let sum = 0;
+for (let i = 0; i < size; i++) {
+  for (let j = 0; j < size; j++) {
+    sum += product.get(i, j);
+  }
+}
+console.log(sum);
+console.timeEnd('dense');
diff --git a/benchmark/sparseMatrix.byhand.js b/benchmark/sparseMatrix.byhand.js
new file mode 100644
index 0000000..8261900
--- /dev/null
+++ b/benchmark/sparseMatrix.byhand.js
@@ -0,0 +1,41 @@
+import { SparseMatrix } from '../lib/index.js';
+
+let size = 200;
+
+console.time('dense');
+
+const matrix1 = new SparseMatrix(size, size);
+fillSparseMatrix(matrix1);
+
+const matrix2 = new SparseMatrix(size, size);
+fillSparseMatrix(matrix2);
+
+const product = new SparseMatrix(size, size);
+for (let i = 0; i < size; i++) {
+  for (let j = 0; j < size; j++) {
+    for (let k = 0; k < size; k++) {
+      product.set(
+        i,
+        j,
+        product.get(i, j) + matrix1.get(i, k) * matrix2.get(k, j),
+      );
+    }
+  }
+}
+
+let sum = 0;
+for (let i = 0; i < size; i++) {
+  for (let j = 0; j < size; j++) {
+    sum += product.get(i, j);
+  }
+}
+console.timeEnd('dense');
+console.log(sum);
+
+function fillSparseMatrix(matrix) {
+  for (let row = 0; row < matrix.rows; row++) {
+    for (let column = 0; column < matrix.columns; column++) {
+      matrix.set(row, column, 1);
+    }
+  }
+}
diff --git a/benchmark/sparseMatrix.js b/benchmark/sparseMatrix.js
new file mode 100644
index 0000000..53b117e
--- /dev/null
+++ b/benchmark/sparseMatrix.js
@@ -0,0 +1,30 @@
+import { SparseMatrix } from '../lib/index.js';
+
+let size = 200;
+
+console.time('dense');
+
+const matrix = new SparseMatrix(size, size);
+fillSparseMatrix(matrix);
+
+const matrix2 = new SparseMatrix(size, size);
+fillSparseMatrix(matrix2);
+
+const product = matrix.mmul(matrix2);
+// sum of all the elements
+let sum = 0;
+for (let i = 0; i < size; i++) {
+  for (let j = 0; j < size; j++) {
+    sum += product.get(i, j);
+  }
+}
+console.timeEnd('dense');
+console.log(sum);
+
+function fillSparseMatrix(matrix) {
+  for (let row = 0; row < matrix.rows; row++) {
+    for (let column = 0; column < matrix.columns; column++) {
+      matrix.set(row, column, 1);
+    }
+  }
+}
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..428560c
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,9 @@
+import { defineConfig, globalIgnores } from 'eslint/config';
+import ts from 'eslint-config-cheminfo-typescript/base';
+
+export default defineConfig(globalIgnores(['lib']), ts, {
+  files: ['benchmark/**'],
+  rules: {
+    'no-console': 'off',
+  },
+});
diff --git a/package.json b/package.json
index 7a1621f..8137a69 100644
--- a/package.json
+++ b/package.json
@@ -1,21 +1,25 @@
 {
   "name": "ml-sparse-matrix",
-  "version": "2.1.0",
+  "version": "3.0.0",
   "description": "Sparse matrix library",
-  "main": "lib/index.js",
-  "module": "src/index.js",
+  "type": "module",
+  "exports": "./lib/index.js",
   "files": [
     "lib",
     "src"
   ],
   "scripts": {
-    "compile": "rollup -c",
-    "eslint": "eslint src",
+    "check-types": "tsc --noEmit",
+    "clean": "rimraf lib",
+    "eslint": "eslint .",
     "eslint-fix": "npm run eslint -- --fix",
-    "prepublishOnly": "npm run compile",
-    "test": "npm run test-coverage && npm run eslint",
-    "test-only": "jest",
-    "test-coverage": "jest --coverage"
+    "prepack": "npm run tsc",
+    "prettier": "prettier --check .",
+    "prettier-write": "prettier --write .",
+    "test": "npm run test-only && npm run check-types && npm run eslint && npm run prettier",
+    "test-only": "vitest run --coverage",
+    "tsc": "npm run clean && npm run tsc-build",
+    "tsc-build": "tsc --project tsconfig.build.json"
   },
   "repository": {
     "type": "git",
@@ -28,20 +32,18 @@
     "url": "https://github.com/mljs/sparse-matrix/issues"
   },
   "homepage": "https://github.com/mljs/sparse-matrix#readme",
-  "jest": {
-    "testEnvironment": "node"
-  },
   "dependencies": {
     "ml-hash-table": "^1.0.0"
   },
   "devDependencies": {
-    "@babel/plugin-transform-modules-commonjs": "^7.13.8",
-    "eslint": "^7.21.0",
-    "eslint-config-cheminfo": "^5.2.3",
-    "eslint-plugin-import": "^2.22.1",
-    "eslint-plugin-jest": "^24.1.5",
-    "jest": "^26.6.3",
-    "prettier": "^2.2.1",
-    "rollup": "^2.40.0"
+    "@types/node": "^22.15.21",
+    "@vitest/coverage-v8": "^3.1.4",
+    "eslint": "^9.27.0",
+    "eslint-config-cheminfo-typescript": "^18.0.1",
+    "ml-matrix": "^6.12.1",
+    "prettier": "^3.5.3",
+    "rimraf": "^6.0.1",
+    "typescript": "^5.8.3",
+    "vitest": "^3.1.4"
   }
 }
diff --git a/rollup.config.js b/rollup.config.js
deleted file mode 100644
index 8538f62..0000000
--- a/rollup.config.js
+++ /dev/null
@@ -1,9 +0,0 @@
-export default {
-    input: 'src/index.js',
-    output: {
-      format: 'cjs',
-      file: 'lib/index.js'
-    },
-    external: ['ml-hash-table']
-  };
-  
\ No newline at end of file
diff --git a/src/__tests__/test.js b/src/__tests__/index.test.js
similarity index 96%
rename from src/__tests__/test.js
rename to src/__tests__/index.test.js
index 3e29942..0843eba 100644
--- a/src/__tests__/test.js
+++ b/src/__tests__/index.test.js
@@ -1,4 +1,6 @@
-import { SparseMatrix } from '..';
+import { describe, expect, it } from 'vitest';
+
+import { SparseMatrix } from '../index.js';
 
 describe('Sparse Matrix', () => {
   it('mmul', () => {
diff --git a/src/index.js b/src/index.js
index 2ee5ee6..e143758 100644
--- a/src/index.js
+++ b/src/index.js
@@ -86,7 +86,7 @@ export class SparseMatrix {
 
   /**
    * Search for the wither band in the main diagonals
-   * @return {number}
+   * @returns {number}
    */
   bandWidth() {
     let min = this.columns;
@@ -103,7 +103,7 @@ export class SparseMatrix {
   /**
    * Test if a matrix is consider banded using a threshold
    * @param {number} width
-   * @return {boolean}
+   * @returns {boolean}
    */
   isBanded(width) {
     let bandWidth = this.bandWidth();
@@ -220,7 +220,7 @@ export class SparseMatrix {
   }
 
   /**
-   * @return {SparseMatrix} - New transposed sparse matrix
+   * @returns {SparseMatrix} - New transposed sparse matrix
    */
   transpose() {
     let trans = new SparseMatrix(this.columns, this.rows, {
@@ -337,7 +337,7 @@ for (const operator of operators) {
 
 let methods = [['~', 'not']];
 
-[
+for (const mathMethod of [
   'abs',
   'acos',
   'acosh',
@@ -366,9 +366,9 @@ let methods = [['~', 'not']];
   'tan',
   'tanh',
   'trunc',
-].forEach(function (mathMethod) {
+]) {
   methods.push([`Math.${mathMethod}`, mathMethod]);
-});
+}
 
 for (const method of methods) {
   for (let i = 1; i < method.length; i++) {
@@ -386,7 +386,7 @@ for (const method of methods) {
 
 function fillTemplateFunction(template, values) {
   for (const i in values) {
-    template = template.replace(new RegExp(`%${i}%`, 'g'), values[i]);
+    template = template.replaceAll(new RegExp(`%${i}%`, 'g'), values[i]);
   }
   return template;
 }
diff --git a/tsconfig.build.json b/tsconfig.build.json
new file mode 100644
index 0000000..5daa1ea
--- /dev/null
+++ b/tsconfig.build.json
@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": ["**/__tests__", "**/*.test.ts"]
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..be52d18
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "lib": ["ES2022", "WebWorker"],
+    "types": [],
+    "target": "ES2022",
+    "outDir": "lib",
+    "module": "NodeNext",
+    "strict": true,
+    "skipLibCheck": false,
+    "resolveJsonModule": false,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": true,
+    "checkJs": true,
+    "noImplicitAny": false,
+    "isolatedModules": true,
+    "verbatimModuleSyntax": true,
+    "sourceMap": true,
+    "declaration": true,
+    "declarationMap": true
+  },
+  "include": ["src"]
+}