test(html-to-react): replace jest with vitest

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

html-to-react/.eslintrc.cjs

@@ -13,13 +13,8 @@ module.exports = {
     },
     "plugins": [
         "@typescript-eslint",
-        "jest",
         "prettier"
     ],
-    "env": {
-        "jest": true,
-        "jest/globals": true
-    },
     "extends": [
         "eslint:recommended",
         "plugin:@typescript-eslint/eslint-recommended",
@@ -31,10 +26,5 @@ module.exports = {
         "prettier/prettier": ["error",
             require('./.prettierrc.json')
         ],
-        "jest/no-disabled-tests": "warn",
-        "jest/no-focused-tests": "error",
-        "jest/no-identical-title": "error",
-        "jest/prefer-to-have-length": "warn",
-        "jest/valid-expect": "error"
     }
 }

html-to-react/jest.config.json

@@ -1,26 +0,0 @@
-{
-  "testRegex" : "(/__tests__/.*|\\.(test|spec))\\.(ts|tsx|js)$",
-  "testPathIgnorePatterns" : [
-    "/dist/"
-  ],
-  "moduleFileExtensions" : [
-    "ts",
-    "tsx",
-    "js"
-  ],
-  "extensionsToTreatAsEsm" : [
-    ".ts"
-  ],
-  "moduleNameMapper" : {
-    "^(\\.{1,2}/.*)\\.js$" : "$1"
-  },
-  "transform" : {
-    "^.+\\.tsx?$" : [
-      "ts-jest",
-      {
-        "tsconfig" : "tsconfig.test.json",
-        "useESM" : true
-      }
-    ]
-  }
-}

html-to-react/jest.config.json.license

@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
-
-SPDX-License-Identifier: CC0-1.0

html-to-react/package.json

@@ -18,7 +18,7 @@
   },
   "type": "module",
   "scripts": {
-    "test": "jest",
+    "test": "vitest",
     "build": "./build.sh",
     "prepublish": "yarn lint && yarn build && yarn test",
     "lint": "eslint src --ext .ts",
@@ -48,22 +48,18 @@
   "author": "The HedgeDoc Authors",
   "license": "AGPL-3.0",
   "devDependencies": {
-    "@jest/globals": "29.7.0",
-    "@jest/types": "29.6.3",
     "@types/react": "18.3.11",
     "@types/react-dom": "18.3.1",
     "@typescript-eslint/eslint-plugin": "8.14.0",
     "@typescript-eslint/parser": "8.14.0",
     "eslint": "8.57.1",
     "eslint-config-prettier": "9.1.0",
-    "eslint-plugin-jest": "28.9.0",
     "eslint-plugin-prettier": "5.2.3",
-    "jest": "29.7.0",
     "prettier": "3.3.3",
     "react": "18.3.1",
     "react-dom": "18.3.1",
-    "ts-jest": "29.2.5",
-    "typescript": "5.6.3"
+    "typescript": "5.6.3",
+    "vitest": "3.1.2"
   },
   "dependencies": {
     "domelementtype": "2.3.0",

html-to-react/src/index.spec.tsx

@@ -10,76 +10,103 @@ import { convertNodeToReactElement } from './convertNodeToReactElement.js'
 import { Document, isTag, isText } from 'domhandler'
 import { NodeToReactElementTransformer } from './NodeToReactElementTransformer.js'
 import React, { ReactElement } from 'react'
-import { describe, expect, it } from '@jest/globals'
+import { describe, expect, it } from 'vitest'
+import { ElementType } from 'htmlparser2'
 
-const expectSameHtml = function (html: string, options: ParserOptions = {}) {
-  const actual = renderToStaticMarkup(<div>{convertHtmlToReact(html, options)}</div>)
-  const expected = `<div>${html}</div>`
-  expect(actual).toBe(expected)
+function parseHtmlToReactHtml(html: string, options: ParserOptions = {}) {
+  return renderToStaticMarkup(<div>{convertHtmlToReact(html, options)}</div>)
 }
 
-const expectOtherHtml = function (html: string, override: string, options: ParserOptions = {}) {
-  const actual = renderToStaticMarkup(<div>{convertHtmlToReact(html, options)}</div>)
-  const expected = `<div>${override}</div>`
-  expect(actual).toBe(expected)
+function expectedHtml(html: string) {
+  return `<div>${html}</div>`
 }
 
-describe('Integration tests: ', () => {
+describe('Integration tests', () => {
   it('should render a simple element', () => {
-    expectSameHtml('<div>test</div>')
+    const markup = '<div>test</div>'
+    expect(parseHtmlToReactHtml(markup)).toBe(expectedHtml(markup))
   })
 
   it('should render multiple sibling elements', () => {
-    expectSameHtml('<div>test1</div><span>test2</span><footer>test3</footer>')
+    const markup = '<div>test1</div><span>test2</span><footer>test3</footer>'
+    expect(parseHtmlToReactHtml(markup)).toBe(expectedHtml(markup))
   })
 
   it('should render nested elements', () => {
-    expectSameHtml('<div><span>test1</span><div><ul><li>test2</li><li>test3</li></ul></div></div>')
+    const markup =
+      '<div><span>test1</span><div><ul><li>test2</li><li>test3</li></ul></div></div>'
+    expect(parseHtmlToReactHtml(markup)).toBe(expectedHtml(markup))
   })
 
   it('should handle bad html', () => {
-    expectOtherHtml(
-      '<div class=test>test<ul><li>test1<li>test2</ul><span>test</span></div>',
-      '<div class="test">test<ul><li>test1</li><li>test2</li></ul><span>test</span></div>'
+    expect(
+      parseHtmlToReactHtml(
+        '<div class=test>test<ul><li>test1<li>test2</ul><span>test</span></div>'
+      )
+    ).toBe(
+      expectedHtml(
+        '<div class="test">test<ul><li>test1</li><li>test2</li></ul><span>test</span></div>'
+      )
     )
   })
 
   it('should ignore doctypes', () => {
-    expectOtherHtml('<!doctype html><div>test</div>', '<div>test</div>')
+    expect(parseHtmlToReactHtml('<!doctype html><div>test</div>')).toBe(
+      expectedHtml('<div>test</div>')
+    )
   })
 
   it('should ignore comments', () => {
-    expectOtherHtml('<div>test1</div><!-- comment --><div>test2</div>', '<div>test1</div><div>test2</div>')
+    expect(
+      parseHtmlToReactHtml('<div>test1</div><!-- comment --><div>test2</div>')
+    ).toBe(parseHtmlToReactHtml('<div>test1</div><div>test2</div>'))
   })
 
   it('should ignore script tags', () => {
-    expectOtherHtml('<script>alert(1)</script>', '')
+    expect(parseHtmlToReactHtml('<script>alert(1)</script>')).toBe(
+      expectedHtml('')
+    )
   })
 
   it('should ignore event handlers', () => {
-    expectOtherHtml('<a href="#" onclick="alert(1)">test</a>', '<a href="#">test</a>')
+    expect(
+      parseHtmlToReactHtml('<a href="#" onclick="alert(1)">test</a>')
+    ).toBe(expectedHtml('<a href="#">test</a>'))
   })
 
   it('should handle attributes', () => {
-    expectSameHtml('<div class="test" id="test" aria-valuetext="test" data-test="test">test</div>')
+    const markup =
+      '<div class="test" id="test" aria-valuetext="test" data-test="test">test</div>'
+    expect(parseHtmlToReactHtml(markup)).toBe(expectedHtml(markup))
   })
 
   it('should handle inline styles', () => {
-    expectSameHtml('<div style="border-radius:1px;background:red">test</div>')
+    const markup = '<div style="border-radius:1px;background:red">test</div>'
+    expect(parseHtmlToReactHtml(markup)).toBe(expectedHtml(markup))
   })
 
   it('should ignore inline styles that are empty strings', () => {
-    expectOtherHtml('<div style="">test</div>', '<div>test</div>')
+    expect(parseHtmlToReactHtml('<div style="">test</div>')).toBe(
+      expectedHtml('<div>test</div>')
+    )
   })
 
   it('should not allow nesting of void elements', () => {
-    expectOtherHtml('<input><p>test</p></input>', '<input/><p>test</p>')
+    expect(parseHtmlToReactHtml('<input><p>test</p></input>')).toBe(
+      expectedHtml('<input/><p>test</p>')
+    )
   })
 
   it('should convert boolean attribute values', () => {
-    expectOtherHtml('<input disabled>', '<input disabled=""/>')
-    expectOtherHtml('<input disabled="">', '<input disabled=""/>')
-    expectOtherHtml('<input disabled="disabled">', '<input disabled=""/>')
+    expect(parseHtmlToReactHtml('<input disabled>')).toBe(
+      expectedHtml('<input disabled=""/>')
+    )
+    expect(parseHtmlToReactHtml('<input disabled="">')).toBe(
+      expectedHtml('<input disabled=""/>')
+    )
+    expect(parseHtmlToReactHtml('<input disabled="disabled">')).toBe(
+      expectedHtml('<input disabled=""/>')
+    )
   })
   ;[
     ['CONTENTEDITABLE', 'contentEditable'],
@@ -94,43 +121,60 @@ describe('Integration tests: ', () => {
   })
 
   it('should decode html entities by default', () => {
-    expectOtherHtml('<span>&excl;</span>', '<span>!</span>')
+    expect(parseHtmlToReactHtml('<span>&excl;</span>')).toBe(
+      expectedHtml('<span>!</span>')
+    )
   })
 
   it('should not decode html entities when the option is disabled', () => {
-    expectOtherHtml('<span>&excl;</span>', '<span>&amp;excl;</span>', {
-      decodeEntities: false
-    })
+    expect(
+      parseHtmlToReactHtml('<span>&excl;</span>', {
+        decodeEntities: false
+      })
+    ).toBe(expectedHtml('<span>&amp;excl;</span>'))
   })
 
   describe('transform function', () => {
     it('should use the response when it is not undefined', () => {
-      expectOtherHtml('<span>test</span><div>another</div>', '<p>transformed</p><p>transformed</p>', {
-        transform(node, index) {
-          return <p key={index}>transformed</p>
-        }
-      })
+      expect(
+        parseHtmlToReactHtml('<span>test</span><div>another</div>', {
+          transform(node, index) {
+            return <p key={index}>transformed</p>
+          }
+        })
+      ).toBe(expectedHtml('<p>transformed</p><p>transformed</p>'))
     })
 
     it('should not render elements and children when returning null', () => {
-      expectOtherHtml('<p>test<span>inner test<b>bold child</b></span></p>', '<p>test</p>', {
-        transform(node) {
-          if (isTag(node) && node.type === 'tag' && node.name === 'span') {
-            return null
+      expect(
+        parseHtmlToReactHtml(
+          '<p>test<span>inner test<b>bold child</b></span></p>',
+          {
+            transform(node) {
+              if (
+                isTag(node) &&
+                ElementType.isTag(node) &&
+                node.name === 'span'
+              ) {
+                return null
+              }
+            }
           }
-        }
-      })
+        )
+      ).toBe(expectedHtml('<p>test</p>'))
     })
 
     it('should allow modifying nodes', () => {
-      expectOtherHtml('<a href="/test">test link</a>', '<a href="/changed">test link</a>', {
-        transform(node, index) {
-          if (isTag(node)) {
-            node.attribs.href = '/changed'
+      expect(
+        parseHtmlToReactHtml('<a href="/test">test link</a>', {
+          transform(node, index) {
+            if (isTag(node)) {
+              node.attribs.href = '/changed'
+            }
+            return convertNodeToReactElement(node, index)
           }
-          return convertNodeToReactElement(node, index)
-        }
-      })
+        })
+      ).toBe(expectedHtml('<a href="/changed">test link</a>'))
     })
 
     it('should allow passing the transform function down to children', () => {
@@ -146,29 +190,37 @@ describe('Integration tests: ', () => {
           return null
         }
       }
-      expectOtherHtml(
-        '<ul><li>list 1</li><li>list 2</li></ul>',
-        '<ul class="test"><li>changed 1</li><li>changed 2</li></ul>',
-        {
+      expect(
+        parseHtmlToReactHtml('<ul><li>list 1</li><li>list 2</li></ul>', {
           transform
-        }
+        })
+      ).toBe(
+        expectedHtml(
+          '<ul class="test"><li>changed 1</li><li>changed 2</li></ul>'
+        )
       )
     })
   })
 
   it('should not render invalid tags', () => {
-    expectOtherHtml('<div>test<test</div>', '<div>test</div>')
+    expect(parseHtmlToReactHtml('<div>test<test</div>')).toBe(
+      expectedHtml('<div>test</div>')
+    )
   })
 
   it('should not render invalid attributes', () => {
-    expectOtherHtml('<div data-test<="test" class="test">content</div>', '<div class="test">content</div>')
+    expect(
+      parseHtmlToReactHtml('<div data-test<="test" class="test">content</div>')
+    ).toBe(expectedHtml('<div class="test">content</div>'))
   })
 
   it('should preprocess nodes correctly', () => {
-    expectOtherHtml('<div>preprocess test</div>', '<div>preprocess test</div><div>preprocess test</div>', {
-      preprocessNodes(document) {
-        return new Document([...document.childNodes, ...document.childNodes])
-      }
-    })
+    expect(
+      parseHtmlToReactHtml('<div>preprocess test</div>', {
+        preprocessNodes(document) {
+          return new Document([...document.childNodes, ...document.childNodes])
+        }
+      })
+    ).toBe(expectedHtml('<div>preprocess test</div><div>preprocess test</div>'))
   })
 })

html-to-react/src/utils/convertInlineStyleToMap.spec.ts

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 import { convertInlineStyleToMap } from './convertInlineStyleToMap.js'
+import { describe, it, expect } from 'vitest'
 
 describe('convertInlineStyleToMap', () => {
   it('should split on normal ;', () => {

html-to-react/tsconfig.base.json

@@ -16,5 +16,5 @@
     "jsx": "react"
   },
   "include": ["src"],
-  "exclude": ["dist", "**/*.test.ts"]
+  "exclude": ["dist", "**/*.test.ts", "**/*.spec.tsx", "**/*.spec.ts"]
 }