Replace jest with vitest

package.json

@@ -19,7 +19,7 @@
   "sideEffects": false,
   "scripts": {
     "build": "rollup -c",
-    "test": "jest",
+    "test": "vitest run",
     "tsc": "tsc -p . --noEmit",
     "storybook": "storybook dev -p 6006",
     "storybook:build": "storybook build",
@@ -33,9 +33,6 @@
     "unist-util-visit": "^4.1.2"
   },
   "devDependencies": {
-    "@babel/core": "^7.20.12",
-    "@babel/preset-env": "^7.20.2",
-    "@babel/preset-typescript": "^7.18.6",
     "@rollup/plugin-typescript": "^11.1.6",
     "@storybook/addon-storysource": "^8.4.0",
     "@storybook/react": "^8.4.0",
@@ -46,11 +43,9 @@
     "@types/mdast": "^3.0.10",
     "@types/unist": "^2.0.6",
     "adm-zip": "^0.5.9",
-    "babel-jest": "^29.0.2",
     "concurrently": "^8.2.2",
     "docx-preview": "^0.3.0",
     "file-saver": "^2.0.5",
-    "jest": "^29.0.2",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-is": "^18.3.1",
@@ -67,7 +62,8 @@
     "typedoc-plugin-markdown": "^3.16.0",
     "typescript": "^5.0.4",
     "unified": "^10.1.2",
-    "vite": "^5.2.11",
+    "vite": "^5.4.10",
+    "vitest": "^2.1.4",
     "wait-on": "^7.2.0"
   },
   "repository": {

src/__snapshots__/latex.spec.ts.snap

@@ -1,6 +1,6 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`parse \\f\\relax{x} = \\int_{-\\infty}^\\infty\\f\\hat\\xi\\,e^{2 \\pi i \\xi x}\\,d\\xi 1`] = `
+exports[`parse > \\f\\relax{x} = \\int_{-\\infty}^\\infty\\f\\hat\\xi\\,e^{2 \\pi i \\xi x}\\,d\\xi 1`] = `
 [
   [
     MathRun {
@@ -295,7 +295,7 @@ exports[`parse \\f\\relax{x} = \\int_{-\\infty}^\\infty\\f\\hat\\xi\\,e^{2 \\pi
 ]
 `;
 
-exports[`parse \\frac{a+b}{c+d} 1`] = `
+exports[`parse > \\frac{a+b}{c+d} 1`] = `
 [
   [
     MathFraction {
@@ -383,7 +383,7 @@ exports[`parse \\frac{a+b}{c+d} 1`] = `
 ]
 `;
 
-exports[`parse \\sqrt[30]{a+\\sqrt{b+c}} 1`] = `
+exports[`parse > \\sqrt[30]{a+\\sqrt{b+c}} 1`] = `
 [
   [
     MathRadical {
@@ -464,7 +464,7 @@ exports[`parse \\sqrt[30]{a+\\sqrt{b+c}} 1`] = `
 ]
 `;
 
-exports[`parse \\sum_{k=1}^{n} k=rac{n(n+1)}{2} 1`] = `
+exports[`parse > \\sum_{k=1}^{n} k=rac{n(n+1)}{2} 1`] = `
 [
   [
     MathSuperScript {
@@ -766,7 +766,7 @@ exports[`parse \\sum_{k=1}^{n} k=rac{n(n+1)}{2} 1`] = `
 ]
 `;
 
-exports[`parse L = \\frac{1}{2} \\rho v^2 S C_L 1`] = `
+exports[`parse > L = \\frac{1}{2} \\rho v^2 S C_L 1`] = `
 [
   [
     MathRun {
@@ -936,7 +936,7 @@ exports[`parse L = \\frac{1}{2} \\rho v^2 S C_L 1`] = `
 ]
 `;
 
-exports[`parse command greek1 1`] = `
+exports[`parse > command > greek1 1`] = `
 [
   [
     MathRun {
@@ -1207,7 +1207,7 @@ exports[`parse command greek1 1`] = `
 ]
 `;
 
-exports[`parse command greek2 1`] = `
+exports[`parse > command > greek2 1`] = `
 [
   [
     MathRun {
@@ -1269,7 +1269,7 @@ exports[`parse command greek2 1`] = `
 ]
 `;
 
-exports[`parse command greek3 1`] = `
+exports[`parse > command > greek3 1`] = `
 [
   [
     MathRun {
@@ -1397,7 +1397,7 @@ exports[`parse command greek3 1`] = `
 ]
 `;
 
-exports[`parse i hbar \\frac{partial psi}{partial t} = H psi(x,t) 1`] = `
+exports[`parse > i hbar \\frac{partial psi}{partial t} = H psi(x,t) 1`] = `
 [
   [
     MathRun {

src/index.spec.ts

@@ -1,11 +1,4 @@
-import {
-  jest,
-  beforeEach,
-  afterEach,
-  it,
-  describe,
-  expect,
-} from "@jest/globals";
+import { vitest, beforeEach, afterEach, it, describe, expect } from "vitest";
 import fs from "fs";
 import path from "path";
 import { unified } from "unified";
@@ -21,10 +14,10 @@ const FIXTURE_PATH = "../fixtures";
 
 // mock unique id
 beforeEach(() => {
-  jest.spyOn(global.Math, "random").mockReturnValue(0.123456789);
+  vitest.spyOn(global.Math, "random").mockReturnValue(0.123456789);
 });
 afterEach(() => {
-  jest.spyOn(global.Math, "random").mockRestore();
+  vitest.spyOn(global.Math, "random").mockRestore();
 });
 
 describe("e2e", () => {
@@ -48,7 +41,7 @@ describe("e2e", () => {
   filenames.forEach((filename) => {
     it(filename, async () => {
       const doc = await toDocxProcessor.process(
-        fs.readFileSync(path.join(fixturesDir, filename))
+        fs.readFileSync(path.join(fixturesDir, filename)),
       );
       const z = new Zip((await doc.result) as any);
       for (const e of z.getEntries()) {

src/latex.spec.ts

@@ -1,4 +1,4 @@
-import { it, describe, expect } from "@jest/globals";
+import { it, describe, expect } from "vitest";
 import { parseLatex } from "./latex";
 
 const parse = (str: string) => parseLatex(str);
@@ -21,20 +21,20 @@ describe("parse", () => {
     it("greek1", () => {
       expect(
         parse(
-          "\\alpha\\beta\\gamma\\delta\\epsilon\\zeta\\eta\\theta\\iota\\kappa\\lambda\\mu\\nu\\xi o\\pi\\rho\\sigma\\tau\\upsilon\\phi\\chi\\psi\\omega"
-        )
+          "\\alpha\\beta\\gamma\\delta\\epsilon\\zeta\\eta\\theta\\iota\\kappa\\lambda\\mu\\nu\\xi o\\pi\\rho\\sigma\\tau\\upsilon\\phi\\chi\\psi\\omega",
+        ),
       ).toMatchSnapshot();
     });
     it("greek2", () => {
       expect(
-        parse("\\varepsilon\\vartheta\\varrho\\varsigma\\varphi")
+        parse("\\varepsilon\\vartheta\\varrho\\varsigma\\varphi"),
       ).toMatchSnapshot();
     });
     it("greek3", () => {
       expect(
         parse(
-          "\\Gamma\\Delta\\Theta\\Lambda\\Xi\\Pi\\Sigma\\Upsilon\\Phi\\Psi\\Omega"
-        )
+          "\\Gamma\\Delta\\Theta\\Lambda\\Xi\\Pi\\Sigma\\Upsilon\\Phi\\Psi\\Omega",
+        ),
       ).toMatchSnapshot();
     });
   });

vitest.config.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    root: "src",
+    clearMocks: true,
+  },
+});