chore: use tsup for build

.gitignore

@@ -28,6 +28,7 @@ yalc.lock
 coverage/
 *.pid
 tests/**/bee-dev/
+tests/integration/tmp/
 **.tgz
 
 *.md

.npmignore

@@ -1,5 +1,5 @@
 # Dependencies
-node_modules
+node_modules/
 
 # Tests
 tests/
@@ -48,4 +48,7 @@ Thumbs.db
 .nvmrc
 
 # docs
-REFERENCE.md
+CLAUDE.md
+REFERENCE.md
+memory/
+changelog/

.nvmrc

@@ -1 +1 @@
-v24
+v22

README.md

@@ -89,7 +89,9 @@ flowchart TD
 pnpm install @solarpunkltd/file-manager-lib
 ```
 
-Peer dependency: `@ethersphere/bee-js`.
+Requires **Node.js ≥ 22**. Peer dependency: `@ethersphere/bee-js`. The package ships dual **ESM + CJS** builds with
+separate **Node** and **browser** bundles, selected automatically via `package.json` `exports` conditions — bundlers get
+a `fs`/`path`-free browser build.
 
 ---
 
@@ -205,7 +207,7 @@ when each fires.
 
 From `package.json`:
 
-- `pnpm run build` → compile Node + browser + types.
+- `pnpm run build` → bundle Node + browser (ESM + CJS) + type declarations via **tsup**.
 - `pnpm run test` → run Jest tests (see [tests/TESTS.md](tests/TESTS.md)).
 - `pnpm run lint` / `pnpm run lint:fix` → linting.
 - `pnpm init:husky` → husky init.

eslint.config.mjs

@@ -49,13 +49,12 @@ export default [
   {
     ignores: [
       '**/node_modules/**',
-      '**/dist/**',
+      'dist/**',
       'eslint.config.mjs',
       'eslint-compat.cjs',
       'commitlint.config.cjs',
-      'tests/fixtures/**',
-      'tests/**/bee-dev/**',
-      '**/coverage/**',
+      'tests/coverage/**',
+      'tsup.config.ts',
     ],
   },
   {
@@ -103,6 +102,7 @@ export default [
       'simple-import-sort': simpleImportSort,
     },
     rules: {
+      '@typescript-eslint/consistent-type-imports': ['error', { fixStyle: 'inline-type-imports' }],
       '@typescript-eslint/no-explicit-any': 'error',
       '@typescript-eslint/explicit-function-return-type': 'error',
       '@typescript-eslint/no-non-null-assertion': 'error',

jest.config.ts

@@ -1,4 +1,4 @@
-const browserSetup = '<rootDir>/tests/platform.browser.ts';
+const browserSetup = '<rootDir>/tests/platform-browser.ts';
 
 const tsProject = {
   preset: 'ts-jest',

package.json

@@ -2,23 +2,27 @@
   "name": "@solarpunkltd/file-manager-lib",
   "version": "2.0.0",
   "description": "A file manager for storing and handling data on Swarm.",
-  "main": "dist/cjs/index.js",
-  "module": "dist/esm/index.js",
-  "types": "dist/types/index.d.ts",
+  "main": "dist/node/index.cjs",
+  "module": "dist/node/index.mjs",
+  "types": "dist/node/index.d.ts",
   "exports": {
     ".": {
-      "types": "./dist/types/index.d.ts",
-      "require": "./dist/cjs/index.js",
-      "import": "./dist/esm/index.js"
+      "types": "./dist/node/index.d.ts",
+      "browser": {
+        "import": "./dist/browser/index.mjs",
+        "require": "./dist/browser/index.cjs"
+      },
+      "node": {
+        "import": "./dist/node/index.mjs",
+        "require": "./dist/node/index.cjs"
+      },
+      "default": "./dist/node/index.mjs"
     },
     "./package.json": "./package.json"
   },
   "scripts": {
     "prepublishOnly": "pnpm run build",
-    "build": "rimraf dist && pnpm run build:types && pnpm run build:cjs && pnpm run build:esm",
-    "build:cjs": "tsc -p tsconfig.cjs.json",
-    "build:esm": "tsc -p tsconfig.esm.json",
-    "build:types": "tsc --emitDeclarationOnly --declaration --outDir dist/types",
+    "build": "tsup",
     "test": "jest --config=jest.config.ts --maxWorkers=4 --verbose --silent",
     "test:ut": "pnpm run test --selectProjects=unit-node && pnpm run test --selectProjects=unit-browser",
     "test:it": "pnpm run test --selectProjects=integration",
@@ -27,10 +31,11 @@
     "test:coverage": "pnpm run test --coverage",
     "lint": "eslint . --report-unused-disable-directives --no-cache --max-warnings=5",
     "lint:fix": "pnpm run lint --fix",
-    "check:types": "tsc -p tsconfig.json --noEmit && tsc -p tsconfig.cjs.json --noEmit && tsc -p tsconfig.esm.json --noEmit",
+    "check:types": "tsc -p tsconfig.json --noEmit",
     "depcheck": "depcheck .",
     "init:husky": "pnpm husky install"
   },
+  "sideEffects": false,
   "files": [
     "dist"
   ],
@@ -51,6 +56,10 @@
   "author": "SolarPunkLtd",
   "homepage": "https://github.com/Solar-Punk-Ltd/file-manager-lib",
   "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Solar-Punk-Ltd/file-manager-lib.git"
+  },
   "dependencies": {
     "@ethersphere/bee-js": "npm:@solarpunkltd/bee-js@0.0.0-fmv2.1",
     "cafe-utility": "^36.2.0",
@@ -64,8 +73,8 @@
   "devDependencies": {
     "@commitlint/cli": "^20.4.1",
     "@commitlint/config-conventional": "^20.4.1",
-    "@ethersphere/bee-factory": "^1.1.1",
     "@eslint/js": "^9.39.2",
+    "@ethersphere/bee-factory": "^1.1.1",
     "@types/event-emitter": "^0.3.5",
     "@types/fs-extra": "^11.0.4",
     "@types/jest": "^30.0.0",
@@ -85,15 +94,15 @@
     "husky": "^9.1.7",
     "jest": "^30.2.0",
     "prettier": "^3.8.1",
-    "rimraf": "^6.1.2",
     "ts-jest": "^29.4.6",
     "ts-node": "^10.9.2",
+    "tsup": "^8.5.1",
     "typescript": "^5.9.3"
   },
   "engines": {
-    "node": ">=24.0.0",
+    "node": ">=22.0.0",
     "npm": ">=11.0.0",
     "pnpm": ">=10.0.0",
-    "bee": "2.8.0"
+    "bee": "2.8.1"
   }
 }