chore: migrate to vitest

Author: lpatiny

package.json

@@ -2,10 +2,9 @@
   "name": "raman-spectrum",
   "version": "0.9.0",
   "description": "",
-  "main": "lib/index.js",
-  "module": "src/index.js",
+  "type": "module",
+  "exports": "./src/index.js",
   "files": [
-    "lib",
     "src"
   ],
   "scripts": {
@@ -15,10 +14,9 @@
     "eslint-fix": "npm run eslint -- --fix",
     "prettier": "prettier --check src",
     "prettier-write": "prettier --write src",
-    "prepack": "rollup -c",
-    "test": "npm run test-coverage && npm run eslint",
-    "test-coverage": "jest --coverage",
-    "test-only": "jest"
+    "test": "npm run test-only && npm run eslint && npm run prettier && test-import",
+    "test-only": "vitest run --coverage",
+    "test-import": "node -e \"import('file://' + process.cwd() + '/src/index.js').then(console.log)\""
   },
   "repository": {
     "type": "git",
@@ -31,21 +29,16 @@
     "url": "https://github.com/cheminfo/raman-spectrum/issues"
   },
   "homepage": "https://github.com/cheminfo/raman-spectrum#readme",
-  "jest": {
-    "testEnvironment": "node"
-  },
   "devDependencies": {
     "@babel/plugin-transform-modules-commonjs": "^7.27.1",
-    "@types/jest": "^30.0.0",
     "cheminfo-build": "^1.2.1",
     "codecov": "^3.8.2",
     "eslint": "^9.32.0",
     "eslint-config-cheminfo": "^15.0.1",
     "esm": "^3.2.25",
-    "jest": "^30.0.5",
     "jest-matcher-deep-close-to": "^3.0.2",
     "prettier": "^3.6.2",
-    "rollup": "^4.46.2"
+    "vitest": "^3.2.4"
   },
   "dependencies": {
     "common-spectrum": "3.0.0",

src/__tests__/index.test.js

@@ -6,7 +6,9 @@ import { expect, test } from 'vitest';
 import { autoPeakPicking, fromJcamp } from '..';
 
 test('fromJcamp', () => {
-  const arrayBuffer = readFileSync(join(__dirname, 'data/adamantan.jdx'));
+  const arrayBuffer = readFileSync(
+    join(import.meta.dirname, 'data/adamantan.jdx'),
+  );
   const analysis = fromJcamp(arrayBuffer);
 
   expect(analysis.spectra).toHaveLength(1);

src/from/__tests__/fromSPC.test.js

@@ -6,7 +6,7 @@ import { expect, test } from 'vitest';
 import { fromSPC } from '../..';
 
 test('fromSPC', () => {
-  let arrayBuffer = readFileSync(join(__dirname, './data/raman.spc'));
+  let arrayBuffer = readFileSync(join(import.meta.dirname, './data/raman.spc'));
   let analysis = fromSPC(arrayBuffer);
 
   let measurement = analysis.getSpectrum();

src/from/__tests__/fromWDF.test.js

@@ -6,7 +6,7 @@ import { expect, test } from 'vitest';
 import { fromWDF } from '../..';
 
 test('fromWDF', () => {
-  let arrayBuffer = readFileSync(join(__dirname, './data/6x6.wdf'));
+  let arrayBuffer = readFileSync(join(import.meta.dirname, './data/6x6.wdf'));
   let analysis = fromWDF(arrayBuffer);
 
   expect(analysis.spectra).toHaveLength(36);

src/utils/__tests__/surfaceAnalysis.test.js

@@ -11,7 +11,9 @@ expect.extend({ toBeDeepCloseTo, toMatchCloseTo });
 
 describe('surfaceAnalysis', () => {
   const analysis = fromWDF(
-    readFileSync(join(__dirname, '../../from/__tests__/data/6x6.wdf')),
+    readFileSync(
+      join(import.meta.dirname, '../../from/__tests__/data/6x6.wdf'),
+    ),
   );
 
   it('check min / max of first X / Y', () => {